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Home My WebLink About20182427.tiffEXHIBIT INVENTORY CONTROL SHEET Case USR18-0022 - VERDAD RESOURCES, LLC, C/O CURETON FRONT RANGE, LLC Exhibit Submitted By Description A. Planning Commission Resolution of Recommendation B. Planning Commission Summary of Hearing (Minutes dated 7/17/2018) C. Planning Services PowerPoint Presentation D. Carson Ribble (SPO) Correspondence (dated 8/8/2018) Decommissioning Plan, Landscape Plan, Communication Plan, Lighting Plan, Request for early release of Grading Permit, Final Drainage Plan, Pond Maintenance Plan, Certification to Discharge, Site Plan E. Applicant (submitted 8/13/2018) F. Applicant PowerPoint Presentation Behrens and Associates, Inc. Noise Mitigation G. Applicant PowerPoint Presentation (submitted 8/15/2018) H. J. K. L. M. N. O. P. Q. R. S. T. U. 2018-2427 IL aliralee .,4tba. EXHIBIT u5Q‘°6-�aa e Public hearings concerning this property will be heard before the County Planning Commission and Board of County Commissioners 9oth hearings will be held at: ADMINISTRATION WELD COUNTY AD ON BUILDING 1150 "O" Street • Greeley, CO 80631 Planning Commission Heanng will be held or 4 !I Board of County Commissioner Hearing wits be held or Raqu'3st. ,�,: � V + ..t & Resource Oevs$cp"+t't Frsc- 4 inctt^d n fl satfri:x1 +Ppa+t endic1 Fadtaes iwn't 0edt ," j q✓ c+ort*we� slug ca chor, A 3 MCC bu t 0 a 20- wa to�potortovernount0cVprne�+urtKelton�I�s+�Dysn 1M A , _ nem and 5 tsmpoewy i'ubuc'ua' <...asn Nsuntbnr • '� w I a. 1k. 1 • AT tfriF --414 { ' f w • 6 • : 4 • in concerning this property wiP be heard before the Public hearings - County Planning Commission and Board of County Commissioners, Both hearings will be held at WELD COUNTY ADMINISTRATION BUILDING 1150 "1O" Street • Greeley, CO Planning Commission Hearing voil be held an 201?: at P ti. . oflt Rem and Li -tic° tri 5pt'at•Z' � an+% 0 Ire Mineral Resar'te alol7rndnl F�aelrfi@-, InCWdi' npturnl n Metric r s1*lion all atnii%itefeceeet; erqt and uipinanl.F ncidc)rr acieltwis (warflol. lett lei: L 4 rnr,{r t fi, e�crrrp€�nsarn. E+ oil; t a�tzher, a l,t;r'tmra r araio bur's-i �'"It§ n "'C d brirab n 9nNwor. s are, loot mall cocrtueit . ,b n guns ikP skill' 2 si 4 . fc t U II l:raa mounted •cainrreurelca n an1e lo*gM 'It'll A csrr-rta'r"" ' nd 51d�myporar�i rnn®tcwCton E� i.i Calrj N4.tMka@t•_ . in,tiatkArric,thmip,:a: l; OR r�PRTHER. INFORMATrON FLE E p�4 Jr7l,� pier SUN RE sifts cell For In? [rr it -' weed bete. _..,.� tvvvigo ti.sm 1•4% .rev 4 .:., ,ewe tas. a ;: � ""'r''`�r - da "y-•^r-iF rh r..,p �! -' n.... icier f sue. 41a2.41 lir --w-71S1 s -.At*l 1.A_ r ♦1 IP. - Ile • iC i -+, , - 1.6.1 ,I +" 't',Its O'i v, .- P • - "aL al . a {{1{iI ea, 't"•••• "tV . tl fi 44. I - a i 4s • { U. View looking east a F a An an. • <I • • 1, r th 3 aYY IL MS 'Las 3.4 View looking south View looking southwest API a _i1 sts —C aaa • a • -a Ma ♦ • 1 • • R. IM I• • r '1 If 1 1 :1, r — !' - fT f 1 ' I. •1 J a l I a rearlia 'tom: a 4 to • _ f ntr,ol: v4. to': -� _.' -. _,414.6IF I • i rj a 1 't-i s l' .w I rii 1 1 r i{ 'u I: -1,a i • Lw-.,ll • 4,4 s J• •p r ( .,i . r • l • I w L p• t. rs' aM 15 a.'„ 11 S it ra a I - - . !1 r _ _ - H�li- ,•�__1 r h 1k' r I -. a a i I t_ • ■ r , ' 49, l' 1 • F a L r e .l . 1 � ti 1 -I . - itaiN titt .. �Y-♦ •• !. r fL, F, a di r rw ' # I ' (a"' a q 19 s T .i 1 rS• 1 . _ -•, ..•r3 I ler a a • ■ t' 1 J r L r .- 4. • 1 1 I - -a View looking west s View looking northwest View looking north View looking northeast f ae� rte• 1A! �r- C ar •a.+frTmar - i -r 'arm s � - .r r a J 4F •04.21 LL 5i - Improvements on the property Jews ai all t. — r z r _ .. Improvements on the property s ae E a la — ala t e erae s :ss • s 1.,I.. -J at 4- ar T I �.� �+r ¢t �r - • - - yeti a� � r �,�� l‘ rd f ir1-.4' R r 4 J-iF. t!f f- - t Sy`. } - �'R�.. T _ .4 ^i. L •• 0-4-4 far.. a y 9f 4 ' i.c11111:70.7:4-7,r1 i.. ' / - j 2-7: sir - a a s 4 ar - 1 y,. 4 b• .iA J 7 - _ -44 loPra tr.: r- Fer Lis 1 f aSs f _ t< a_ Tisa Juanicorena From: Sent: To: Subject: Diana Aungst Thursday, August 09, 2018 7:10 AM Tisa Juanicorena FW: Update on conversation with Nick @ Cureton Tisa — This correspondence is for USR18-0022. 8/15/18 BOCC Hearing. Thanks, Diana A ungs t, A ICP, CFM Planner II Weld County Department of Planning Services 1555 N. 17th Avenue - Gree/ey, Colorado 80631 D: 970-400-3524 O: 970-400-6100 Fax: 970-304-6498 daungst@weldgov. com www. weldgov. corn D D Confidentiality Notice This electronic transmission and any attached documents or other writings are intended only for the person or entity to which it is addressed and may contain information that is privileged, confidential or otherwise protected from disclosure If you have received this communication in error. please immediately notify sender by return e-mail and destroy the communication. Any disclosure. copying, distribution or the taking of any action concerning the contents of this communication or any attachments by anyone other than the named recipient is strictly prohibited From: NC Ribble <carson.ribble@gmail.com> Sent: Wednesday, August 8, 2018 2:33 PM To: 'Nick Holland' <nick.holland@curetonmidstream.com> Cc: Diana Aungst <daungst@weldgov.com>; 'Jeff Berghorn' <JBerghorn@VerdadOil.com> Subject: FW: Update on conversation with Nick @ Cureton Nick, Attached is the email I've sent the Horse Creek neighbors concerning our conversation about putting the compressors in an engineered sound proof building in addition to the sound walls for the whole complex. Thanks for listening to our concerns. Sincerely, Carson Ribble, CPA Manager Ribble Land & Cattle Co, LLC 24639 CR 6 Hudson, CO 80642 1 303-827-4031 cell 970-924-1744 fax carson.ribble@gmail.com From: NC Ribble <carson.ribble@gmail.com> Sent: Wednesday, August 8, 2018 2:26 PM To: carsonribble@gmail.com Subject: Update on conversation with Nick @ Cureton Neighbors, I had a phone conversation with Nick today returning his phone call from last week when I was out of state. My point, which I believe is the consensus of neighborhood is that we want all of the compressors in an engineered soundproof metal building, and an additional good esthetic looking sound suppression system around whole station. I voiced our concerns about minimizing the noise to the maximum extent possible, and that presently our noise levels are around 42 decibels. I also brought up the fact that they are not addressing the highest threshold of noise that will be exiting the plant. The pressure relief valves (3" x 4") these valves will have around 150 decibels when they go off, and have not been considered in the design. To cut to the chase, I told him that to avoid a fight at the commission hearing next Wednesday August 15th at 10:00 am, we want the compressors in a sound proof building. Thanks Carson Ribble Tisa Juanicorena From: Sent: To: Cc: Subject: Attachments: Nick Holland <nick.holland@curetonmidstream.com> Monday, August 13, 2018 10:34 AM Diana Aungst; Tisa Juanicorena Johnson, Anne; Cole Ones USR18-0022 Conditions of Approval Submittal for Exhibits TGRS-EE-310 REV 2.pdf; TGRS-CE-001_Rev A.PDF; TGRS-CE-1O2_Rev D.PDF; TGRS- CE-104_Rev D.PDF; COA 1F Communication Plan.pdf; 2018 07 26 COA including Landscape Plan Trash and Decommissioning.pdf; 180813 Early Release Grading Permit Application.pdf; 180813 Grading Permit Application.pdf Diana, As we discussed we have revised our USR maps and lighting plans to reflect the changes you requested. I have attached the following to satisfy our Conditions of Approval: COA 1E, 1H and 1J(5): Decommissioning Plan, Landscape Plan Narrative and Trash Collection Areas. COA 1F: Communication Plan COA 1.1: USR Map Package COA 1G: Lighting Plan Grading Permit Application Early Release of Grading Application As discussed during our meeting the following items were submitted with the associated dates. • COA 1A: A Road Maintenance Agreement is required. Cureton has been in contact with Evan Pinkham with Weld County and has received a draft agreement. Cureton will work with Evan to complete the Condition after the Board of County Commissioner's hearing. • COA 1B: Final Drainage Report and Certification of Compliance stamped and signed by a Professional Engineer registered in the State of Colorado was submitted to Public Works with a cc to you on July 19, 2018. A copy of this email along with the attachments are included with this memo. Cureton is awaiting approval from Public Works. • COA 1C: A copy of the lease agreement was provided to Public Works on June 1, 2018 indicating access. It is reattached for your convenience. The lease agreement specifies the right to access. See Section 7 and the Exhibit. Cureton is awaiting approval from Public Works. • COA 1D: Subdivision Exemption — Cureton received the comments from Weld County on 8/3/2018. Our survey group is awaiting a Title Report form Weld County to complete the Subdivision Exemption. Cureton anticipates delivery of the final Subdivision Exemption Plat by 8/15/2018. • COA 11: Noise Abatement Plan was submitted to Department of Planning Services on July 16, 2018. Since our last meeting Cureton received communication from the surrounding property owners requesting a building be used instead of sound walls. Cureton has implemented this request into its final design. Once design is finalized Cureton will be presenting this to surrounding landowners for feedback. This will obviously change the noise abatement plan. The updated noise abatement plan will be submitted once the final design is complete. This is anticipated by 8/15/2018. As we discussed at our meeting Cureton will be seeking early release of grading and building permits if the USR is approved by the BOCC. We will be submitting those early release requests I will be in touch with you if anything changes prior to the BOCC hearing on Wednesday. EXHIBIT I Nick Holland I Director EHSR 0: (720) 390-4506 C: (303) 324-5967 nick.holland@curetonmidstream.com 2 A B C a E G N 1 2 3 J r -I u II ii CC eV a. t y. ▪ > I: = C i • J r. O▪ co ▪ I Ec. 7 2.•• a _OIUC r C Y C rig • n U a V • % T N N 'VI I- r•tL i J ti � r r4 U � m JJILW eA i N c n LIGHTING FIXTURE SCHEDULE A N\k‘iii FIXTURE TYPE QTY DESCRIPTION MANUFACTURER CATALOG No. (See Note 2) DWG NUMBER VOLTAGE LAMP TYPE__pee WATTS Note REMARKS A 18 LED FLOODLIGHT CROUSE-HINDS # FMV11LCY/UNV176S903, 11,107 LUMEN LED TGRS EE 310 120, 208, LED 99W POLE MOUNTED WIVOKE MOUNTING KIT AND SFAS SLIPFITTER ADAPTER 240, 277 '4 POLE 6 20' ALUM TAPERED LIGHT POLE MAPCO 20 FT ALUMINUM POLE. HAPCO #RTA20C6B4F10-01 TGRS-EE-.310 N/A N/A N/A SEE DETAIL 317 FOR INSTALLATION AND BILL OF MATERIAL, SHEET TGRS-EE-303 ,Q NOTES: 1. Watts shown indicate approximate input wattage and are used mainly for calculating panel loads. 2, All fixtures shall be purchased as indicated by Catalog number or approved equal. A3. Lighting will be downcast and shielded. \\\. \\\-,..t.„...____ ...., \o- \ N.:: • -1-2,—...._.-• , et___________c_________ \ / - - /0 _ _ I __.... .o- .ifry , Cs / `1 k V •\ 5 ,\ i \ +_.- i cu -r ,FUTJkEj C-1.2113 rurJRE) N O Li 44 /„..... \11.\ \\:\\s / 1� \\\\• rNi� lLL t D 1 - _ ._._,y __, n I II I/ ea ) L L li e F-1800 - IF; — - I i - ' - - a - , }= TK-1772 10 — _�� 1re .- �l♦A11� f l II -Ir C III •� — iK i ir4q 31 .`' F-1300 s FLOOD LIGHT 303• iI — POLES 20FT I ^ I _ _. - d 44 TALL ;TYP} 31 tn • ce 303 I �' a. L - - � TK-1762 a + ill l Y 'e A i A I A — A A' A _i.. A A J r-i ' _ rt•' ^' i TK-1725 •• u __ i I I ' '1 �r `t A I I _ Al i- !t .. , " '_ • '� ' - t I_ 1 _. ._ I 1 fir i i I -• W r I 1 I _ h ii p 1 I w II 1 K N. —49 g=; —.—•—, fai TK-1710 li i TK-1770 0^ O O C I H lit II ~ O O is 7-I 7� r A A \ - - e T PDC .I V-1940 *a u ,� t t �1 4 II r ©--rn l Ac. 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BP BII AS 0 ISSUED FOR CONSTRUETlCN 06x"22/18 KXII Inrw.tu A SNOW 06/28/18 Samuel Engineerin 'M''•r:v'ar:S'ilui'1r•ti• U4SUL. crescent Parway. suite 2UU Phone 3u3./14.414U Greerhvooaville a CU 8u1'I1 Fax 3U3.7.14.4aaW �' rtv. um. hi * bES-c:•-:C% I et ; `: -• ='�' cd " � 's'�' RV. -E SCAIrTic.r. Walt eT r I cd " : •� ='�' a :: . ''' �' hid. -ESCkIrT3-r wart 8T oIv94JVeu 8HILfrES 06/28/18 TGRS-EE-310 2 REFERENCE DRAW 1 N G 5 REVISIO NS REVISIONS °I'I'I'v'tu B PRINeEALX 06/28/18 I U SITE PLAN TIGER COMPRESSOR STATION PARCEL; 147519300014 SECTION 19 T0IN R64W USR18-0022 U••ION aWLMLI IIINAlllLlS LLL (YAIAh 141SIP100MIIJ I 11 Air •1.V A / 1 L 04 Most; 1s1 .I hYr ..1 K LOT A RE -3078 / REC. NO. 28773861 "1.,11 .r N .u1µ4 440 MM ~` / I . t ` *ILL •Ca •b N P 11 14 MA I PIa:.ALV .. 4M II J Yvt 'la& 11 :EY 40.401 Ilk" .1: Mitt,* ta6WRMI JAE ILA 111•31•1 *Welk Lt., YK N. .1i. M. a N xr:Yp .i I • • \. . NL.IIC, i1Pli•laa ... `a t. 14 %1t 10001•., LOT B RE -3078 REC. 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Ye.. .. 44-01r • area S•• t ...M....we. enMa et am "MO* eV 6 A .VIN • REVISIONS �'. ✓AV S - at • •MIL i•MM L ISSUED POI MIAMI -00/04 to "' JILL EASEMENT INFO 01/ 'MIA MT I • dma M Ol0UD a:WWJ0 II MTCMWA e ISSL.EO FOR PtSMLT AOD COAST HAILERS 05121115 M OP MAS MAS A ISSUED IDA USA 10/2111' - M aLW 05.20.1c • M NOIWMT CURE TON MIDSTREAM WELD COUNTY. CO Samuel Engineenng LUHEION MIDSTREAM . el. eel veer. :-4 I.' •. n.. •a4a INIOlln NUNN N TIGER COMPRESSOR STATION 4OMMSCFO COMPRESSOR STATION CIVIL USR 18.0022 MAP OVERALL SITE PLAN 17218 DRAWING NUMBER TGRS-CE-102 C ,j BURETUN MIDSTREAM Tiger Compressor Station Cureton Front Range LLC Communication Plan Communication Plan USR18-0022 OURETUN MIDSTREAM 518 17th Street Suite 650 Denver, CO 80202 Tiger Compressor Station Weld County, Colorado DURELL '1/4V MIDSTREAM Tiger Compressor Station Cureton Front Range LLC Communication Plan Table of Contents TIGER COMPRESSOR STATION COMMUNICATION PLAN 2 I. COMMUNICATION PLAN OVERVIEW E'II 2 II. COMMUNICATION PLAN 2 III. ESTABLISH OPEN CHANNELS OF COMMUNICATION 2 1 Qm OURETUN '1/4V7 MIDSTREAM Tiger Compressor Station Cureton Front Range LLC Communication Plan Tiger Compressor Station Communication Plan I. Communication Plan Overview A. Purpose Cureton Midstream's Tiger Compressor Station Project, ("Project") is committed to providing and maintaining several vehicles for communicating with all stakeholders identified with the Project. The purpose of the communication plan is to create a framework for communication with key stakeholders and receive their feedback. II. Communication Plan Our objective is to ensure that all potential stakeholders are informed of our intentions relative to the proposed Project in a timely manner. The Plan has the following objectives: A. Identify key stakeholders a. Neighbors b. Elected officials c. Emergency responder groups d. Agencies e. Local businesses B. Establish Open Channels of Communication C. Keep Stakeholders Informed D. Receive Input and Feedback E. Support the Local Communities III.Establish Open Channels of Communication A. Open Channels of Communication Method: a. Meetings Face -to -Face Expected Open Communication Results: Timeline: Ongoing Responsible: Project Outcome: Ongoing Team/Consultants b. Email Project Address Specific Open Communication Ongoing Ongoing Qm OURETUN MIDSTREAM Tiger Compressor Station Cureton Front Range LLC Communication Plan c. Project Website Open Communication Online 2018 March Ongoing d. Project -Free Number Specific Open Communication Online November 2017 Ongoing Toll g. Open House April 5, 2018 Input received h. Landowner Meetings Individual Share Noise View Discuss updates. results Study Studies. project of and June 15, 2018 Project Ongoing Team/Consultants Mailings As Needed B. Project Information materials Messaging and materials about the Project include: a. Printed handouts b. Purpose and need c. General project overview d. Environmental stewardship, safety, construction process, landscaping, mitigation for sound and light e. Timeline —as proposed in the filings for completing the Project f. Presentation Storyboards for use at the Open House and subsequent meetings g. Website h. Map of the proposed location of the Project i. Information on Community Open House j. Information on public hearings C. Keep Stakeholders Informed The Project uses a variety of contact methods to keep the information and dialogue open and flowing. These include face-to-face meetings, phone calls, or correspondence (e-mail and letter) as appropriate. Detail: • Personal visits and meetings with neighbors within 500 feet of the parent parcel of the proposed site • Open House for residents and stakeholders held April 5, 2018 at the Best Western in Hudson, CO. Qm OURETUN MIDSTREAM Tiger Compressor Station Cureton Front Range LLC Communication Plan o Printed and mailed invitation letter was sent to all residents and property owners within 500 feet of the parent parcel of the proposed site location o "Station" style used for Open House with each information station staffed by subject matter experts to answer question and provide details o One-on-one conversations with attendees o Introduction to the Project presentation by Cureton Staff o Input from attendees received and incorporated into the Project plans • Noise • Screening • Additional Community Meetings o Individual Landowner Meetings • Scheduling commenced on June 15, 2018 • Objective: To share noise study and view studies with property owners and discuss project updates • Ongoing initiative by project team Project Contact Information The Project operates and monitors a toll -free phone number (1-833 CURETON (287-3800), e- mail address (tiger@curetonmidstream.com), that enables stakeholders to obtain additional project information and provide input. This project contact information is printed on all Project materials, included on the Project web site. D. Receive Input and Feedback Receive Input and Feedback Method: Meetings Expected Open Communication Results: Timeline: Ongoing Responsible: Outcome: Input received Team/Consultant s c. Project Address Email Open Communication Online February 2018 Input received d. Number Project -Free Open Communication Online November 2017 Input received Toll Qm OURETUN MIDSTREAM Tiger Compressor Station Cureton Front Range LLC Communication Plan f. Project Initiated Open Communication Ongoing Input received Individual Meetings E. Next Steps The Project plans to keep its stakeholders informed of project progress by providing website updates and informational mailings as needed. Planned Meetings/Communication: • Individual Landowner Meetings o Ongoing • Construction Notification • Operation Notification • Individual Land Owner Meeting based on feedback through email, phone or in -person conversations throughout the life of the project. Additional meetings and updates using the available communication vehicles will be implemented as needed. Prior to the planned meetings letters and emails will be sent to an updated list of stakeholders to invite and notify them about the meeting. The meeting notices will be posted on the website. Materials provided at future meetings will be made available via email, the or website as appropriate. Emergency Response plans specific to the Project are being developed and will be part of the operational readiness of the facility. Ongoing updates, mock drills, and contact with appropriate agencies will continue throughout the life of the Project. Safety Data Sheets, formerly known as Material Safety Data Sheets will be kept onsite and made available on the facility website once the Project is operational. Additional communication vehicles will be used as needed to meet the needs of the stakeholders and the Project. p. Weld County Planning Dept. 1555 N. 17th Avenue Greeley, CO 80632 Phone: (970)353-6100 Fax: (970)304-6498 Case Number (U R/SPRIMUSR) USR18-0022 Parcel Number: 147819300014 EARLY RELEASE REQUEST OF GRADING PERMIT Weld County's intent is to work with applicants to expedite land use applications as efficiently as possible. The early release of grading permit procedures was developed based on the following goals: O Ensure public safety O Provide consistency between applicants requesting early release of grading permit O Provide flexibility in allowing applicants complying with the procedures defined below the opportunity to grade their property in advance of recording the map. The applicant has met the following minimum requirements for early release of grading permit. O All required items in the grading permit are attached O Planning Department has on file a final drainage report or accepted drainage narrative, with appropriate drainage calculations and designs O The applicant's land use case has been routed to the referral agencies and surrounding property owners and their initial comment period of 28 days has been reviewed by the Planning Department O The applicant has reviewed the referral agency comments for the proposed land use set forth in the Application Describe the need for the early release of grading permit: Cureton Midstream seeks the release of the grading permit prior to recording the plat. Weld County Public Works received the Final Drainage Report and Certification of Compliance on July 19, 2018. The NOI from the State of Colorado has been issued and was submitted to Weld County on July 19, 2018. A release of the Grading Permit allows Cureton to grade the site and install the Compressor Facility to enable the safe operations of its pipelines. The Compressor Facility also ensures the safe operational startup of UR17-0065. UR17-0065 relies on USR18-0022 to provide compressed wellhead gas to be processed and sent to local and national markets. USR17-0065 was approved on 02/28/2018. I understand the Department of Planning Services, at its sole discretion, reserves the right to withhold or reject an early release of grading permit. I understand grading prior to formal land use case completion is at my own risk and I accept responsibility for outcomes associated with early release of grading permit. Applicant Signature Date Printed Name Company 3/13/2015 � t A 1 8 1 C 1 0 1 1 F 1 G 1 UNITING FIXTURE SCHEDULE Q RIETIBIE TM OTT DESCRIPTION MANUFACTURER CATALOG Na Om Note 2) DWG NUMMEII VOLTAGE TAMP ME WATTS ISM Male REMARKS A 4j POLE 18 6 U LED ROOM WM IC ALUM TAPERED LJGMT IOU CMOUSE MINDS I FMVi1LCY/UNV1765902. 11.107 LUMEN LED 1GRS W/YOK[ MliuNnNG KIT AND SFA6 SUM TTER ADAPTER MF MAPCO 20 FT ALUMINUM POI MAPCO IRIA20C61(101 EE • 310 1GRS El -110 130, 208, 240, 277 WA LEO N/A 99W N/A POLE MOUNTED SEE DETAIL !17 TOR INSTALLATION AN0 Ma OF MATERNL WTI TGRS-EE-202 NOM 1. Wan Mown .macaw pprownw, run wattage and we used °mO+ry Is caws% pal loads Numbs or approved rai 2 Al IwweMbe s at owc11aWa 0 macaw, by CaWOB pWI ®1 L%mwng wA be downcast and MaNMd / / i /f \ 7 ft /\ ( I hi + r \ 1 E5 I u [5I: ul I f 1J I F-1800 TK-1772 ► i j TK-1600 F 3' ' ., :OD 11•41 30) aJ.r rr&. •+ ■ - .1 I ,_+ I Xi TK-1762 i fr"_ • TK-1725 , •" �'►�� 111 _ _ . -- = I ` i. 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NUMCOMPINACT WIT.• MT CO THE EOPAQCOSEC W VSLLIPMLNI %1M *1103 MAP A MAMA MA MVOCAIIOR W TM PELMII 0, Int UWNU UP DUDS'! COMMIS6J)A41 THAN POL ON,P TISP RE MOO CONX WARM Plailla .43alarka MHOS 4 COMM IC, 0.1EWHO tl CYAn Wall%1lptC) MIOGphh CcAONO% TOEIM EENEN600. •••••• au MO 100110. T.s2tl MOM santtat in SALON t.t+4• ran ND JK•AtUNORM iMI NT Of M 4M a.0 Opa.n MMWC fa111aMW knorMaIS•MRNENW t•4.W4 •Mlasew% AW Nap Mlw'M TMNW . O.r SCAM%* ' lata'TA' m" -.-N Ms% a ..n. '.L....P ST• •w.TaMI.AIM -•-.rev•w..••••• M" . 9.6s0.1 H.........t M - _ . _ — _ — -� } y, T j _ MWrtO __.— _ ... l 1,' CU0.ETONMIOSiREAM CURE] ON ® ►tlf1[tTN[M►I 17YE7I REJ�TI YIElO COUNtt, CO _ _ _ 11111 +Hu 1aL 11.uMMH TIGER COMPRESSOR STATION 40MMSCFD COMPRESSOR STATION CIVIL VSR 18-0022 MAP COVER SnEET 17218 _ 1 { _ _ M 00.0 SUM!it - .. i * ~ M ,10.0 OA/1V11 DRAWING WalniN - — - MIC - N • !SSla'7 fa PERMR CLOMP RIC - M AOTHIVT O/)OU Samuel Engmeenng W• -...H'---- TGRS-CE-001 A ... -. ....... - - ....... .. NEVIS IONS - — RE f ERENCf DRAWINGS RRVISIONS (..•••••••Vy.• oNutto .u~ )LI164MI A B 1 C i D E G tl • u b t• J: b'4 D• - �i 111 S 1' Q x Sn A I B r F i n PLOT PLAN TIGER COMPRESSOR STATION I \ 1 �•'� PARCEL: 147519300014 SECTION 19 T0IN R64W 1/4. USR18-0022 i / .ill -CAm•IINY JAN USIA•M. • USA 4('1'm tw .rI411M. ,•111•4,FA / + ( ' •4 ' / SAMOA -- N 1 at 11• w (eAIICLL t•>11.OOOOOfI n ITYMAP •1•S -� =��T _MCI ,' / I • .. .. .. .. - - as. + - -. _ SOC•II Y)t • F • '• ; '�-.-.'a'• LIS CORNEAM'hWYMn A.T10•Us wu • —.- ,m%` .. N I n)N).7S LOG IS ACM EM • _ _ _ • � . - - -- • fJ• • ♦ ))9UAJ VI MOMS NO OIKu IJI41 Ita '•7 -- TIGER COMPRESSOR STATION 1 • S. 1 �••�•I `••urU•S LL1 MMASDIIS 4.41$000.. • I 1 / l XX%X COUNHOAU AY LEASED LOT I r AM)COMM' nK-04IC* rAAEt wEID couxrv,TY cotoRAoo 79 MSG - 4.25 ACRES 1. + ••. • .� + ' ' '• )•.� •t _. 1 �- �N I \ I. 1. .. / /. \ �� r /- USR 15-0022 IN CASE OF EMERGENCY CALL. 911 HUDSON FIRE PROTECTION DISTRICT (303) S35o1a TIGER COMPRESSOR STATION COMPANY EMERGENCY CONTACT LOT C RE -3078 . / , MAM MI RATION Mat u• .1.1.5) �. /_ % % � STRETCH WEMPEN (30T)em-1929 1 REC. NO. 28773861 229.1436 ACRE • ' • • - ' - ' • - - .. ; ' ,• '• f < {. J -. - V ' +' LU$flL$ P AK.15 / % / ° n,I,E _ // \ MSG s / �/ •t•• \ / _ , L:1.1114r. �' _ {.''� - METAL slcN NouxltD IO Mil WI/nAMlf •9M3 I•�• I • • . .•Y .� , . 1 1' •�. •' -'�- �� r PISSlwwsahl L •••\‘`.....-<,...r.'..... �. .,........-C. MN COWOMAJ WA• IYr VC •�' MIA. NU 441110. M57AU•rNT - 401• 1•144E1' ... • — • . '• _ - _ TIII �j' • •• ♦ • •��•. .. r ' ` _ . • 1' PRTAIM LNfllh1 lf .$ .uM1I.••PA A NOMA ..C � 'puma 4f vu ••4141• 1 'puma • tMAMttJ• ti �£nrLASaga • - - / � . , 4-` • s ; - •. �. • •' • 1•/w • I / I • L 1 -~ , 25 - MAIN NON♦ MS6 S CONCmrer• Mtf •D man PROJECT SIGN SA1LS1 . ,s . o (Cal GUSCIIAItt IKflMIttr LYf1IDMI1CA . _ _ — r% LEGEND 1 1 .+Mf.I* \V\ I \\\\v(`1L`` / .�•/. LOST VV. NallAl• MAC ThAi�; •,.— Ng11p{•D •� , V1Ay tUtA%1411t — 1 OSSA OSA r1UN MAO* RPM 4»+• •AAO<CswM• I•JMM1ryIV - 4I JM •91 IJ - 11 WC u%vEr ' sib �� ISM ?SY Ml1LAY fAA•KNI UM •ICAO 71 n))90r a1IM1 104 J •\� cease 4Ru1E • ti rfl Vh. LO 1uIL(y1Tg1ApE A(!A N 1 IM .4+M / • 1 J S i 011 1. ' ' — m00 JIM UM R3 •tUUM11U'{1X40 4 Ainl / I ! Meal. IA VA SC �1I I _ IM�ICAf.VI. SS)SANOTES r • • PROPERTY LEGAL DESCRIPTION NIKKI KO lNllrt.•lt•'1 Soo SPAM) Ov I N SST 4.t. NC WAS aINAt.l•.MC SITUATED NIfPIMWIC. M-.10711•440 MIS l• MI UV lot 101174 MU 4..•LIGHTING EQUIPMENT LIST • • •• •,_.ft .JiC5'JIPIK• Gait -1'. WED OA 01:0A)J01• SHOO. 19,1C)WhS•Ivi M)fltn *AMA IA MGT ETNMIM IPS SIDS. Rath COtl•et. !Obit JESCRIYIjC. 'OCCUR CARVerlrh %TAUT Co fn.-Narr •%Atzahl4 a1u l Wit UN UA VALA: s(ATE RAM CL%WAMIFS. MAlln 2.:a • L'AOVH HINDS :(.107 L1A•Fh UV l;Alin![ •R•JIItcv is tamM AIEAILAN .01.74, 0044. LMiI/r .953 WS 1V•ut••IiT1 ijtl •WCC JO AIJMUIVM TAIEAEU 1011 •ATAJOC•p.I IO.01 e .4 IKA. Lrlw l.a ION AISa. .15(1CM LAT.I•I IS -le Ott Sir sill We a •AtRT1We AL a HE, LII:4AANt 400010(• TNt •*:.Ct,SIN. AA.► anis 4CttulNL M. OTMA IXf:YAiw alAs On TN WJNI NRCS WES SOIL SURVEY DATA .AJ.<Ys -• InnAA 5..S SAS UV r10041m 1(T 11••Y•.J1(IA%MMt MSGAU -•J4YNWTFMI )MriCl MA Si Sete .w uhll 'SIX ••••>uT, We ..rYUX.t SOY SAP •0.1414 lig 'leM:XE1• MCA NAN• A91 bait° AI. YIAAATI LAA:1A••Nrf If CO19110541141 IU Pa MOWN• INONrHM• J.. MSIS040 54 1 I (014 II) l% 10.14450II C5) i .4� ambelt - P. 403.0 10•14 11% To 7% MCMU I: Cell NS pods. NORTH ,CN t V • SO' "•.....w r •'»4MNrLr4•le �r� •.N►rr.S0 rr•...xr.r•� ••••••••••••• .A. ,M.�,MNON .••.,s N•n•.•,nn N•en •�44t• ...rL.rr.r..AA.r •••w•�•• 1•0400 w.•N.. r^•••rr 1•TTGRS-CE-104 MMNer Oa 44 ............... — — - MC NWN D Is1UED'Os FEAMIt AUa4II WIC j'� CURETON MIDSTREAM CURE ® IMflQ DC mesTR[R1I E•RYL711lLN'1 WELD COUNTY, CO 1111.1 PROM I r11rMn1 TIGER COMPRESSOR STATION �0MMSCFD COMPRESSOR STATION CIVIL USA 1&-0022 MAP PLOT PLAN 17218 -. --I- - MC MwN -_ C MUM NT 77QAMIt Ole 17/1/ MC M =AID 011111t70 is N (SSLAD4P AERM)1 OS/lUU MC -- MC10.0 O7INKm1 - - - MC MNN DRAWLING MUMMA ® Samuel Engineenng r. ..... .. •...... 14 Nry 'a, --- I' - - - --- -- - --� SA MILS MILS A ISSUED FDA USN 10/27(17 TIN .. M 4ATM•FT 07/)uJ011 � .... � � REFERENCE DRAWINGS REVISIONS REVISIONS -��- rr..n..._•w.. :Urn. N xi n4 You Genoa, Mow ..oSr'••.••.V• r... xi B I G tl A B J 1 E •v M 1 1:11r1Y lI il DI rt. Y YI Y a 1 x r a r . SITE TIGER COMPRESSOR PARCEL: 147519300014 SECTION 19 USR18-0022 VII {.QIK. PLAN STATION T01N R64W !. IL 7 ilr. a _ . K .. ' • t 4lHt141rtttS{ maisin• YIr;M v111twO itttC•t I 4.101011,• tl1O1111[ti N»ItH00M1 Ift u1 watt( ar 11A kW » _ ■ t• 1 • AAOIZS•WtfYY' 1[11 JAW A{)AAtllh tall N 1 2111•.MI 1l) N Nw`J 21-1 COMM -t 1[Al Nit), »+t• [ /rfltu ' so •• Kt 111:1 II 041014.4.tlan• �� } / • / .IW>/. • wgru gala.. 1q.. lrta•1[ Alwt • 1•R: fOOW11 . .r>YW •tMRII lwx II 201 ,[[M tMr Cant , t01JN .-.•-_ . - rr'N IS �I1:1 '] �a{{•ZJ111 .... •n., / . - --'�—i_ _ ___ �,�. — uri))un r a A. :. I i NORTH __� _-- r ll I` 'W•'N III a _ i r. ! -� - k _ ~ 1 �' M/•u l• t• ` \� � ' •I LEGEND Il4.25 ACRE LOT { :f � � 1 113, • WO_ •.) •11442 ;$1- — - --•-- MUIl, tifr•12I M•.at 4" LOT J REC. A RE -3078 NO. 28773861 w fA>WV1• . sAth1N u..... war WILLLttr rU l LaltaMlrlO `- C� �J• l+..Vrr{, a WOKS lata+l amnia 1 14 wnulA l N,Nc - 11.,112 V AIWA -� --. — — — t0C RA Ott 'T / Y 1 •ntA(r Lima tun.- 1 1AL wanly .Mt rINLt I tM I N 1 21{ E 1 J11 I ca11NN1 hl JI /w N y21� ` {J1 w vr.r)rw - N , r1{ 112U wr 44 •It fl ! - , ...\11 I J._ _ 0 O ••11{)440 ttC W n A... 0•NII,IAIt ILO* WADI. Wank quW an* Mr vl • .r r _ _ jI 0110001611 1.110 XC1AIr• — _ l 0061%r r[Nl:l .. _ / / 1 t - _ - _ _ _ . AC129t M1E1llt• ,,INt �rr�r� 1111011 II 1-1 r 1001144 LPN . „ I, -) /• - 1WYAlWI01C(D Ut A� 1- I / i ... .. I ='r +-- -� 01 I // / % IIArAAIat r.2w»r NU 0[IJKJIW N l .4 NOTES lil .I I ... `. _ I I '• .... .. REC. VMGD lrklp IrAAftl iV •11V LOT C RE NO. _ ac n uC WOO I•r -3078 28773861 .- I 1 / % I _ t.01' / ♦e Tee 1 It* NIt)M.I III[I* 11J1.AIIO ON A WW1 U. IJJS. MIuAIW WIIMIN 1 Dr C. Ml W2[ Ml(I MIN. PAOI (1 1.1t 1(IU I1.1M11 It 1I. Int.MMA II. W010410110 1 M/lnt MwtIA w ate! ..rn n.INL kw MYA/UMN. Wtw <tMM/• tUD .r t1A.,MKa; ' r •AYvu POI t wAr 01.0.4.001, 10 1w ...My, • . . 229. 1436 ACRES I 1 I / / , - ._ _ _ - . ). LI) t, tM411111 w AN. wM Ott NWIM 0004ZO/t 'w001011Atw •A 010a,. KIII,I. N fMICAN r•trgMfiN, A.:.Al wr •A,RIIUNIM UMW UASW&N 11.1.1.111A10.1.40.10 NMI.. 1141 Illt 1114 • I .. . .. all IW7/ u• I / I Vt/IIr,AI (*WM roc*rn AMCMIIAA vt•WW. AMC*, IYr lot tt • wit tonal:ANN. VI12trMMIh1N. 1110.TIN41MM14mitt SOPIiW, SA MA/• CµSMAA.(.':A 1( MAY Ai.* lu I I ♦\ r I ' . \ LOT B REC. NO. RE-3078Tr" 28773861 L Mal. ;)Gt• l• t tc KM •A�DADr1& {). ..I, I� / .r .... d. -` SIC niwtif )twr. .•111/400.1)1 AMt1 I •ttlltL WAWA LUSO • i - PROPERTY LINE SETBACKS .Itt VIIA(11/(+ Wlu l 1'illl.w-M . M • .r.. alalrtiln •.w Jan 11[QR)fatlrD 400111 .. - IIrt1 ( ..' ... r trat I Walla. WSW, c I•ntwiwr) T .A*44 N»14I0000•. 1 Ett_�_._. • w.JRHa �� J �L WCR 6 -T-� •TIIG [7RICh1M• EXISTING / .. • .. .. - - 1 I I ._ :/wAE: *HOGS WADI. 144.0416544.10.1t. lam. 1.•13CZ000 in I I / UO•A► 01t1DLLM. ••••M1000.00...J 1000.00... KW. • I I 'NIB WOWS. Will 4 D S.An5 •0001 N tlAiCii Li1V000CL1 le Kea own bola Preliminary cmbetas vs. t Not For Construction -• • 4w•4••• 4 Yt••1r+V • • r.•«•. • a f••w•.•_.• a ....•r••.• . -... Cr Kam.. ...•- "• Ala...• r-• .• +'...r r...- r ....Ala maw.Y. ..Arm •Wary•••.••• . • ../4•••• r••.• w ••1 r6 �' .:..r• ton el w 1.r`r - - - - E. • !OQ -!rip t �7 CURETON MIDSTREAM CURETUN WEH.1TREAM ItN W711{CJYtI WELD COUNTY, CO 1111 YNUIt LI SUN IY k TIGER COMPRESSOR STATION •OMM$CFO COMPRESSOR STATION CEVIL GENERAL OVERALL SITE PLAN 17218 MI t`Irla'N NIC __y__� C $%$ttl . WWit ACC all* IMO 02/1U10 MI -. M C)na) 0x10/2011 MVO a �— ISYutO MA PHEW' 400 COOP Makin Will IS WO .--- M CLOUD 0x21201 — INIAWIM. HUNKER � HAS WAS A WSW) USA 1012)/II WWI NNISI•Y141 COW Samuel Engineering We a.,..-.,. sw........ Paw, Ssao0 Ater M • TGRS-CE-102 ... ..... .. — w-- • .. +, REVISIONS - REVISIONS REFERENCE DRAWINGS ry`•••n•••• We CO 1644 tit WO A I B I F I n 1 t i i I F I I CIVIL SITE PLAN TIGER COMPRESSOR STATION PARCEL: 147519300014 SECTION 19 TO1N R64W USR18-0022 I ] \\T"a 4. .. .4 .. .. - ., LtAf4 t.µ44 .. N 11121154 "; '" ACCLfy.tUMl N I11riW COY ul•tl4Yl V4CI. aim -IAUIJN4 hI2 coon tA1E U-MW:M - 1. 1 D134n40 r4N�IMM — 0n. , (J -'N I.1. 11J tl1 1441. �'� LSIiMif$ltIUiP* --; •12)15ii 11 , EAILIIM.- 111 woo�t�1. 414.^ • NA. - -L - . IIIIMIXIC 444 44m, 44., -� annT:Qc1iTf �— 4•� — -- NI ----- _ 1 r CIY_ VI MAP 1. LEASE EIFNEF1t + ,I •�1+4F i- lt?-1... I I. I • - 4 \ / N 1 15! iW.A t . 1E SLr i' I 1 \ Q _I. - — �•' 1 L 1 -. NOTES ' \• , -. •u:Lxt:..,MJkf..iws ! i +1` /' 1 I u ( ,'. / t•WIR.✓•lnwWt. 'IfPM1W.ul ( MI -A04 MINUPMI.0 Int 1*'4 •X I.M Si I ...4.01t AEGEbn 1 '.W OF SECTION IoWMih,lP hO111N, MINA Wt51 "INC 1 t ',NUN tOM Ni IEJM•1 I • 1 I I 1 I 1 I INI[I .1 I i vu I•.f+ ,• • h• - \ 1,' \ "' r- . \ �` ♦ , `` '• '\. \ • \ \ \ I. AM•IIu1INNll LIA_IRY. I't... a4 luuN(, WAN 101 JM(PS) •( — - NNW - - 00 A / _ / S ' d ` \ - _ / I/• 19, I IA 41' IPAI NEN144W. N40 C NINI9, STATt uI CULOMA(.:, J INt Silt `fWN{v .OM 'HIS 14•014.- :I WAS Pk(P4Mtu S' LW DUNV[ I L.: Mt, WAD M(ctIVNJ ON DIAN/1014 .q.N4'UNIA lMi1M EASED 41. L(ACMIXJ 1TAIE NANt Ci4AO1Ej lEY M,kr•. JONE.*AIM AMIMIiNME1440AW11y[YiIVPI I NIiWS ntMM••Ii 1) - I /• /. / � //� 42 �.., � ♦ • '�'� • ♦ - INURF SLI.40.4 MVJccas \ RE55O' v[MI M,AL (y1tM J.I,NIN AM(MIL.N. Mt$11l0t IMIUM 1944 • / i47 / �- S�/\� N .. •i' • .}• �,.♦ ♦• / q¢Yl,1CJhf / • \♦\ ♦ ♦ \ .'W9� _,JJy,IM� — '�'r SNI511N4- o(4ElINE J .5W L.IWJYih M4J IMVIhAGt PNC SEl It.K CI inn AM, IL.Ms C:P-•VJ .t1. EA: 51CN CONTROL MID iuRfKINF iEE S TWICE -401 r.]• SITE '*ECIF!'I FENCING nEE HAS i Of SITE RIPE C.OLMIEL� L N$ IC- T Nit Di+•A4ti5Cj ilFilUN i£aIGNE(:.1010 :.M_ -TA+ Fr B.:ITIEM5 IkANSI(Atntr• r y \7• / % 1 ' • •a Ii i t IUIIt1:W IMOIAIE MCC tluILLUNG - JAW WO W JP,LC L It 1 5J 45.40 - • 13 I f I • - . • • • • - //) .3 4 V;' \YY; �J• : / . ` ♦. \ •.A :. ♦` ' -• J �: .155E ..34041, . 1. 1 .1/ .1, 11 I,JiJ n:1 n0 .' 1 Gv ' I�T �� / - ' LEGEND l Jill 40J 55 v \� •":.<-.."..'--C... -' .11.43 II 50IJ n • • • \ \ �r% ' � ' WAI s'MI..• P INI OM nitro s WAY :IM AUOIHIM..•Iu.N4(. P11 iN51MJM11• AIM ! - ' • J • Y .• t I •�. ' • 1 �'1 rtctiNIM. 1:41%l It*. .1PfL wt...J . 14(.41 .4 WA. 4W. AA. i — ftC 1101. UV. — •••• .LW aAI•.o. .oly4t J N.A:. 544401.47,. Otf1tDNAIIUN- Pt" 1 \ � ` '•II ( _ I / A, �� ++ j — \ ,\1•:1 • PIm INp ' -� ulli.l .. - •LMV.Ih (NW)- 5 ( I SIAM 1144.04.• w. 1.14011.44E •.4.)W MLkVW RN IM: ILNW ANRL•M - EAS.ENWISI 000h...10.1\y71 •••••OO' Lw1N .IhA rEhlE . - 'MI - l IEM0. 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SEDN•tEIA CONTROLS SnNLL BE ACQUIRED • AMHluvlUtlAC.SN)NMUSt(AMtNICOaIIA.BENIMANA(ICMENta'RCIKLAANAaaNCMAINtNNt)MUaEalINSOX) *MOUSER THE IkMAINn (i lttOS M.LI:FC AT A MINIMUM, THE F 31MI/TEE OR CONTRACTOR SHAY PRoDa es AM) RETAIN MEN. WRITTEN. INSPECTION WCORD5 TONNE SEDIMENT CONTROL LOG INSTALLATION NOTES NEMENO APIERSIGNIFICANT PNECJAITAT ITNEVENTS A tacaoIftT Ial4NEENAIFCL AMOREPAM SHALL BE COMPLETED IMMEWAIti.T a.]O11ICMA a V. SEPTET SwttPL)G IS TO ft CCA4IAETED BE TETE CLOSE Cr ausas5 Oar M (AND) ON AN AS NEEDED BASIS T•BWTGMOUI THE DAY V WAIVE VEER III SHE ELEANOR. OE CEMENT 'RCA QUIVERY ...TIDIES NEALE BE WSUMWAD INI°AMSIA+N*J CONDOLE. WASHOUT ARIA ON TN am NILE BEAMED CUMIMNMCh1 ;M COI$ tat W , t AVNMKNE Mw LAt COIt WCT1 1;Vtat% THAI YlA11 UMTyN Ma *Minweal( Mil ALLLPtMNX NAST. WAIVE OISU.NWtU INTO Tr* CS.WINNMtNI AREA W DEVICi waM1. TA ALOWtD TO Welt TEAR OR EVAPORATE MD CM it ODIRD NUO INKo355wCE WITH AANICAttt LGIAATI[Ai UMW CEMENT WASTE lb '0* *morn, Ems Tv*CONIANMENI NBA NW - - I )b yLINtNTAIA)N IOIOSi(NtI LTYNINIn.LAN MM TOC.LIIW WU.EN1. H,..Y.WMtMt OA 14119 TU4 ! SEOIMENI CONIM(A LOGS INWCAi bD ON 1NIIW EROSION CONDOS PLAN )..INS R ihSIALASD MOOR WANE .AMe Wf1 W W711G ACM' WS 1 SEUIMENM L'NMIRLL tOO%MHAL LUN%ISI W sIMAW t(a'O%I IACL SIAM tM .,1]LO11G1 NISI IMC$'CS• OIYOW°>O 10 *HAM U III JY W A MiMDO LNOG RtNNtK;LONIAp1MW1 MIA OR AWI((A*O WASHOII(AVICT Be ItONNICN,t, WtASIBLA VS Ill Int PRUNE Sill, ,M 'NA O M MEA WITH A SOTINS E EIRamo SURE ACT' EM /5INSISnlNG A CCN,A)MMEIFt, MO/EA (111011111 14 W CONCRETE WASI•ktT AND Y. WAWAISN AlI HE a Silt ENNA CciV URM TO THE APPROVED TLC•MIMAS NR) PMM:TTCE5 IOINIWIW IN 114CROIA E CLNO DIMAt EMENI Or PURE IC IDEALN I SI.NVRU)NMENTU IMINI G WOE() ENTITLED 'BUUOING IM ACHENlf11NVIMDNMfNI, READY MIX WASHOUT HWNIEW' AM) II) ACLUMPA•t1NG MMW Malta Ep,'RENEE MIA NAYIOUt GvILtBA VEHICU: MO EQOIPMENI WAYIOUR Al Cf.WMILICiWN SITES II +w INRtC1(Mp4)Alit W5ilMRGE LF Va1tR LT]I(IANING PAVE CEMENT To THE )tOA$5EWEA sstEEt lSWwt)BIttO 4 MOT KIR SSE INCOKtNtMItDAtOW MIAS 1 TAN SEDIMWI COIYfNW 104Not: W I4LWCI40INTO 1HE (M(NAUAMINIMA <R! a NOM* A ,!'.ivE W AY Al INC,.IpIN+ ICAO UI ,iA:1 •�tM (I: Table KO6 : IS THE LUNIITALIUMNOELYL PN(t1LCT AL. STOP SEWER PACIu I leaAOMCENI TU Onk:;Cp*RXWHIN t E laVefeNT (AMU'icPRA EII°MJ INVth.YING SEDIMENT CONTROL LOG MAINTENANCE NOTES Pa liter -- Pe1cw10/ Typical Ivocal WHEN tar, Hs. DPW COT TIME. M ABRASIVE WATER IV Cur ING APE TO TARE P•FCE .. ".LAM _ . ..:a;l' . . 'EM AN' STORM EVENT MD HAM\MAIMTAI - -M JI; .. _ , _ _'•.:'. :,-,: Sltw• Sou SSA1W Hub Stout ;IuN* ;3 THE CONT$ACIOM SHALL. REMOVE MO MOM* ♦ DISPOSE OF AD WAIE PROIUCYS..CEN6A:EU BY SAID CuTING OPERATIONSQ$ A DAILY SAS'S OR AS HEWED THRi&C.CiT THE OM it ---$6 Di51:MRCt Of AN SAWS COMNW. TNTCD BY WASTE PRCOJTS TOT CUTTING CANNA, IONS TO lot SICE4$ SE*tMOMSSYStEM 1S MOW TELT I SEOIMt•I .-,.,M°UTkD UPShKEAMNT T.*WWLONIROL'-LX.$s.tALL Et *POND PAWN THE .P5TRESM SEDIMENT DEPTH is W.'�•.'. -- HE ;DAD CI THE CREST OF lit WC d� I {lathes, Iypx� Chiang Slane" Cang goal' IIR(ETY.I \\e. ht. IpOYRdtI IS NAVEL' AND IMiEAvi(kcb NiliACES wit Cal WWAJLACENT TOGYNSTRtCTION SITES MUST Bt SWEPT Of. A DA1,r BASIS OR AS NEEDEDCURING I..E „A. WHEN St1NMENT MW OTHER MATE$ AL ME TRACKED OP DISCHARGED ONTO THEM EITHER SWOOPING BY HAND DA u5E O STREET SWEEPERS Is ALXEiTNNE STREET AWEtt£NSJSINC. WATER WHILE SWEEPING ,S MOERRED Ih CRAWS TO Mihimill Uu51 rcualING OF IMVEU$URPACt5 WIT„ WATER U' la'I6itW I SEDUM.'. A.s Mar on MAY NOT NEED TO BE RtMCVtD, UNEM)lM Ct. THE t.A:AtWN Al, MIEL1u1O0N u*E IT Rtfu., x310 AREAS SMI.t BE COVEAW WO.* TOP SOIL. ORLL $EEOEDANC CRIMP MU:CHEOM OTHETIMSE STASI,.:ri, :'. - --.Mew AHRWEO EN THE GOVERNING AUTYORITb vL •. 'TT- 4 70400 X70 53.10 2,10 12 0 4 2 8J )) 10 04 COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT NOTES SEDIMENT CONTROL LOG "'t" y'`1 L A+P" ?O 1(AI .0 )O X ' ID I ) : ( IOC c • 1 I .. ., ...... .wt..'. . .. 1 W,H 111 WAl11LL'bMlMal': w .. • ...1M hi\ IAA$SRXII :M 1 vi"Msl silt: CP* A.. ,ARM NIO OI AUS AND W10 UMW. ANAAS MALI NW1-ACLtO A YA1IMVM (A ID NA•, AWED 111411 SIGNS MIA. IM 'UST ELI M IyjA q 70'119 10.70 KI 2•10) t0 21 10 11 4 440 275 IS 1 1 M• EANTHAg1A ACNVIIII,. °LAI It HEMORMLV WHEN IN. NINE) SPEED EAC[AUS Al MN. • A._ UISILMBEIi S.:NEM.E AAEAS S.M4, RE WAGE MA1t° WIIHWOt DAN MU ACCLIKDIM. IO int JhlGINATWN SUSMIT'EU BY THE AYMICANt a/MIES _ vAAIES —' H R�>p IS 106 :9'76 MI I/ ONO 650 WITH THE 016.941'.0.41c.4006 LJMIN Vti IK!WATS SILL Be. u1WMI LEU IC ENEN' MW AN° ONE iARRW T* UNTO M PAVED S„RFACtS . 14110 AND CARiIIOUI ONTO PAVED i 35.50 x'10 II 6 I7; IV '-.AF ACS s14A St CLEANED La+ ONES SLOPE WOES Pit TR_NM; P -An -._ - : Ni VH 7—i N I00 50-70 S3-50 box 47 33 _4 V 3500 1709 650 i5 I 1/4150- anoxia slow tux I "Weal at Npt41 tuck axe. LO I'bawd 'esona1[LI tptntul AMLCWT w 4 Ipet& past - : TYPICAL DRAINAGE SWALE RIP -RAP GRADATIONS NOT TO SCAT- ' ER(.'.IUN Luh(N(.LLAINLS ARE FMUM*UAh TMAINAEE AM) FLOOD CONTROL CXSTRICT. DAAINA(t CA/ TENA MMUA VOLUME I CONSIRbCTXXM BE$' PAMAGEMENI PRACI ICES TNSTA LATTCVF AND MAINTENANCE OF SITE BMP S :SIC SOLE** TO WELD LJOSE, OR STATE OF COLORADO LATEST SIMOTADS MO R.EQL•MEIB!NIS 811 . d94LA ot, below. oNal•IR t Know Whats below. ' ,....a,".., Call before you dig. roI"'` ••, en t..•••••• .- •amHu. T9-aww SE, • I Tsai F.VMM -.ARAM�NM P.n . aN-P «.I..L4.A -. .lt«w.«. CURETON MIDSTREAM 1CURETON ® AIEELtTREA►A WELD COUNTY, CO . NUMBER H M LAWW ONII,/JJIA TIGER COMPRESSOR STATION noN 40MMSCFD COMPRESSOR STATION CIVIL GENERAL EROSION CONTROL NOTES 4. DETAILS 7 17218 .... M CURIO 05111/JOIE DRAWING NUMBER - MC74WIN 0 ISSUED FOR CONS; RLCIIOh - - — — 07il271/MC•• M NOl)VFI 05/21/101ti - Samuel Engineering .Y.' e...w s. I•.A. ... _...... -. I ' .. .: .. - .. ! • ' • . - - TGRS-CE-402 _, REFERENCE DRAWINGS REVISIONS RIP)S IONS - . WY lyRM •t•T.•1••••Awls300 Pen gEENN TlAit•CO MTH In =lit MOP C 1 1 F G • Par• TAIYND MIWIAF TO PEAS F:OW DEPTH Lt111L.. •AVINI NIIM ' Luttu ttO I i 1W SIR SLOPE OR FOAM: A FLOW RIPNAY Ii LWMNW Oh INNAtt NAILS • I I (AIAIMAALM OLWINN NOTES 1 TIMED END SECTION TICQuIREO Al TILL OA VERT WEFTS. ! NLOVIR JOINT I A TLMMS LOµ FLARE° END SECTIONS FLR %DNS GAEA IIM THAN S% H INSTAL! MIMNI TAW Fkt*T rABNC (CH. *NATT MEOW AI *NAP A DLSTIAaD MOTEACt5 WLA.L Et LE1 Ito A,DLJGI**NtD CONDIT ION Al A: TINES DUNN4 CONSTRUCTION 1 tRU5WN CONtHOL PCASaNS Al TEMIMYLµr IAEA IVES Vista elk NMOVtO M*T. TNNT HAVE CARVED THEIR USEFM PUNMJ5t ERCblot CIA TWA MtAS.JME5 Al FERMANttT IAIItf lt/ SHW L AENMW IN PLACE O 410 IOW TIA SHALL W IYPE . MINIMUM UN AE INOICATLU ON PLANT opI CULVERT AND OUTLET EROSION PROTECTION f LOW L=am R .I.taal IY C4 Sits :ENCE VASITi. SATED IN %trio. i n: L . I/! WUA4N •11111 POSY •'.I µle WK INC. JMuslVITIST J VE4TAtIUN . .: MYN GRADONT ALAI Y S 1 MINIDIAE. VCONO • LO atr :N:11kf.C: ICJ. SHOWN *EN ORNH INTO CANAL., 8 EOM SHAU OVEN W AT 100411 SO THAI NO GAMS MST IN Slit •ONCI OSECTION NON INILTMSS W .AMR HA5 Bttu EYAGGtRA TEO -/—x_10 PIIM ta1STNG 4LIADWAi I MINUS LMVSIrtU LA AV* I UT. MA. M0N+WOVFN CETII til; i III THN 1411511. O TIM. - STOP SIGN .t& MUTED STANDARDS t MINUS CSISHI1D O&AVtt 00. NCA•NOVtN GtOTLTULI Hit MR PARti( "INIMUM P' IOCMNISS SIGN YONSI RUC T ION ENTNANCt • COMSTAUCTION TENEt (TYF) TO *SCORN.* * vttICCF ACCESS Fltsin Al VIC OSECTION 1115 . Aka' Agif VTC i VEHICLE TRACKING CONTROL INSTALLATION NOTES L vEnIQE TRAOUNG CONTROL PADS SHWA BE NSIALEU AI EvtRL' ACCESS POINT 10 SITt t VEfICLk IRACILING CONTROL PADS SrWi CONSIST Of IW W. MINA. tint SlON I. ANGULAR IN SHAN AND AESISIµt TO WEAIHCAWG ALANDED S10NE OR WANDERS WIU NOT OE ACCEPTABLE THE STONES SHALL Bt T' MNus 1 A STOP 5161. NSIALLW IN ALLL*LLMM.t WITH Ink MANUAL CM WNUONM TRAHJC CONTROL LA -VICES (MUTCl1), A. AMETICEO W WaL IM INATALUSD TOR FYI TING TRAFFIC AT Int Vr, VEHICLE TRACKING CONTROL MAINTENANCE NOTES L ON EIWSICN (WOOL SUMMVIS(W bHNt INSPECT VWICEA INCHING Cut. TALA :AIR :.MAVtI SOU ALI SHALL at C.IEM MO =St LNOJG. TD AIJI SLIGHTLY UNDER VINES I LINOS NIT CAUSE l(lO*E CAN* ID DlstcOGl. MUD LNDM TINES. MEN GtAVH. RACEMES COMPACTEDOA TITLED WITH SEDIMENT AN InAl Tin Lo-LCIIVIN(SS (1 IHL PAID is DIMINISHED, (AADOA COW TRACT OR INTO RIP, TURN OVER. UM OTHERWISE LOOSEN GNAWS. %ACE ADDITIONAL NW CTAAufi. OR REPLACE Win NEW GRAVER A5 M CESSMIY TO RESTORE EF.ICTIVENLlS ! Vb'ICLE IRAOLIAG CC ITRU. SeAt. SE AENOVEV AT THE END Of CIONSTRUCTION, nit GRAVED MATEWAL REMOVED OR. IP APPROvtO. USW ON SITE, MO TOPSOIL ADDED TO THE AREA DRILL SEEOFO AND CRINY MULCHED O:R OTHERWISE STAltklttD VEHICLE TRACKING CONTROL SILT FENCE INSTALLATION NOTES SIt, 4t•11.1%'en I..A.L.. , .M.In UP ItNL1 ! AM.vcs IMANCn WAIL Ot EMAVATEU WIU. :REKrQ.I, LOA WIU, .1.i •tMGt INSlALLAlRJN MALMINE. NO M(WJ GWLUEMS UTACU10T5. ET( VA.L lit VSEU TRENCH *NHL Et COMPATIU R. iAAO, waU. :°WINE. OR 0. WIEEI MDI: ING COMPACT1W SW. Sk *XT. THAT 51(1 IEKE DESISTS BEING *ATV) WT Of AKIOM TRENCH. BY r!µ1) J R:T .thf1 *MIA flit sr*. *ELI IN it UWTIN,ws IREMLWTS VTU II ('At11AS PIN MINUTE :.tM 5UWRt IDD' HOW ch.W 1 T. VD IV MIND.E >IRLNGTH PER AS1M 04113 LW DESIGN AT 500 nRS MIN. 70% STRENGTH RETINA.° PER ATM 0 4fls 4 Skt fENa INDICATED ON THE EAOSILS. COSMO. KAP SHAD Bt NAT A:LEV INIOfi To NT. WIU-OLSTURBING ACTIVITIES SILT FENCE MAINTENANCE NOTES I INNItt I WI I MICE LAIR. WNING ANu AT MA ANY S10MM NETT AM) MANE MEPAIR> ON CLAN OUT *SINtMl SEDIMENT AS NOLA SSAMY ) SEUIMENI ACCUMULATED UITSTNEAM U. Skt orT/LE YHA., a **inc. MEh Ins UYTiHtJM st4t4tNI MEAIHtS A Of PIT. CM f.. SilI TEMA SW1 Bt MLMCJWIU WHEN THI.°PSI REAM UISIUM&Q ANA IS SIN* ISt4 AND GRA55CONEY HAS PEEN ESTABLISHED IP µ1 OISI UNILO AEU. EXISTS Al TEM MEMO*, IT SHALL at SEEDED AMU MU ONO OR OtitNWIse STANK IRO SF ) SILT FENCE J MU TO i(A P CONCRETE WASHOUT AREA INSTALLATION NOTES ! 4 At nth VW a HUM LIAAI ILY1S U (L►AN I L WNNUU l META 1111 IUNLMIIt WAWaNJT AMEN WNt Et INSrMLLQ NOON IT) ANT COYCIAETE MACEMFNT ON SETT VEHICLE IMACILING CONNW, IS MEUuINI) Al tit *CESS POINT SLOPED Al !% IO WANDS THE CWA SIGNS biAl1. St PLACED At Int C NSINU(ISM UNTMAKt. A: IHt WAS IW I MEANS. U.SRMEMt AS NECESSNtr 10 CLEANLY INDICATE Int LOCATION Elf THE CARStlt WASrUuT ANA I U OPUUILRS CY Tat CONCRETE TRUCKS AND PUN 11165 5 EACAVAIED MArERtAN SHALL BE UTILISE° IN PERIMETER E NI CONSTRUCT ION CONCRETE WASHOUT AREA MAINTENANCE NOTES THE OAKS* it WASTKAII AMU NULL Bt REPAIRED AND EPAARG£D :Ai CLONE° W I AS NOES -NM ILA MAINTAIN CAPACITY TOR WASTED CONCRETE CONCRETE MATERIALS Nu* St MEM(NHI (1rA:F Int MATCMIAS.Avt NACHO] A DEPT. W 2 J Al Hit END* IN CONSIMLCTION PRDILCI. AIL CUNCMt I t TnALL lit NEruYEU nu* Ent SI It ANU IIISUVSED 01 Al µ AiPROUIO WASTE W1I A WHEN 11* CP.UIklt WASILWt AAM IS *NOYEU. COVEY Ir4 IASIUMSU ARIA NM WA SOIL. MILT SktO AND CRIMP MAC., OR OII4NWISE SINUt RE IN A MANY* APARTMD W GCYVCNNUK. AUt1.ORT Tv ♦ IMAICT WONT A/TO WRING ANN NTEA ANY NIUIIM !PINT ►`•�i ■ Pa -4 PITY T L.M IJ EtKM AltOuNO PEMJMEIts r V HIN C_� C►WACTEU MATERIAL ITTIN. MATERIAL ITN 1 A.( GE(A!M) SUAFw:E PLAN LMLMFT! WAWRAP •.WN CWA. CONCRETE WASHOUT '1 SIN SEE V%nICLE wows. CCIITRJj. (JE'TAIL r. R DESIGN UY PAD SECTION IV, I.' - KNOW Man bei Cal Odom you dis p. TV iW PU'rlI L ILK: N'P• 'MU Itt 110011tH ASNUTED M 0• k10 M CLOUD U1: LYOIU GS/I °201 M REF! RtNCE DRAWINGS MTC AWN 0 ISSUED FOR CONSiRUCtION O7/IS/1B MTC NODAFI 0%01!201 Ilk VISIONS CURETON MIDSTREAM ® CURE ION WELD COUNTY. CO MIDSTREAM Samuel Engineenng W. nenae YWPUPA. AS. L Linter. PefinvapSatlOo nwwww1ANN CO WI I I PMIPt 141lu ta% AS. 103 14 YIN 11)11 TIGER COMPRESSOR STATION 40MMSCFD COMPRESSOR STATION CIVIL GENERAL EROSION CONTROL NOTES tr. DUALS 17218 UIIAWING NUM& R TGRS-CE-403 I 1 E 1 F I H A s C I 1: E F I G M . - - __ — --- - - - s 8 8 r 8$ 8 8! 8 xV NOTES ri .. { W - _ _ Ertl - n .0 em - EFIStIM. . I FEML1L1Mt J,I W PIM>I P C I I01.,112 a as $ u. A W 1 P•5EREFAC EdAWING TGAS CE to' FOR DETAILS AND ADDITIONAL INFORMATION • SITE LADING YIOWD BE COMPLETE BEFORE THE fBJF('E IS INiTALLElr LIE FENCE CLANIA _•IUR arts. (:DJRDIMTE SITS TIE OWNER (OR OWNER') REMIEiS.TATNEI I4 CONFIRM FINA,. (WADE) MCAA, I: : FENCE NONIt lN, .•LLl5s Ni1M. LEASE CORNEA N I i5) 553 Ol -- (EASE COWER M 1751 5.14 00 - J f•4 •EFLE INs1Ali&TIOM CONlMCIOA MA. AOJu5t MnI ANCOOR GATE LVCAI1LMh lu NETItV FII i ''I N. ;,Tr,EMSr — _l L ) 151 IN W -- ' - • • -.- • - • 1_ -- E 3 15) 501 11 r_ • •— -F - A. • • — . • • r • • • - • • -� • • • _ _ F'OSt •A CUT OR IWNRAIN NI Tit PERMIt%AM• FROM OWNER) GROUT IL -NS PERiONNEl • ,:U,MDIM1lY HA LATE, Nit 4.1M1WN AT IM CENTER W III( Galt -_ i .1 - .. _ S ALt .14114.1414b. FROM •LANI) 1 _r— WIN 1MAL♦ 5W01G ,All (AWAI f -' / - .•:•,t.....NMII MOOD 4V _ L. 1 ` _ — _ — , " 0 N.Y Ms)1ITVIIQE.5 'MALI Bt 4PWCVtD Mr NM INGINCCA ANDOWNER PRIOR Ial IN51MLAl ICY. IAPtN)O. 7090'11. l)OOIh __ - i `. : �SOl4r /.•XN• - _ 1 Int a.INITACTU(YIN.L OEMEMIV151ME KAILOCAtlNG AMIYMUIICIIMGML LNILAMtiaCA NIJ Utllll Its \ WMEINEM LOCATE() ION %AWE. 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M R 51 SEPIAS a,1... 1•.44-1 --..same Aar ..w•.M•0.04•..M _ I - AB CURETON MIDSTREAM ® CURETON MIDSTREAM - WELD COUNTY, CO IAfh7E L11P1 niu 'PROJECT NUMIAR w 11°110 _ O5/IA/10V TIGER COMPRESSOR STATION 4DMMSCFD COMPRESSOR STATION CIVIL GENERAL FENCING PLAN 17218 Mnoun - -" wti.noiM DRAWING NUMBER - MC MARL C .- ISSUED Fq1 CONSTRUCTION -__. .- -- - 02/12/10144C __ . __` NOT•Wl 05/21!7010 ED am el FS Samuel Engineering 14.• aPef♦ F.w.Ovum wnw.,wL`9� •... • • . • • • • •• • • ' • , , •- -• .. TORS -CE -501 REEERENCE DRAWINGS __ REVISIONS _ REVISIONS M�u.taLiopCOMMII A° P.. Z)ijutp C J u I ,Sr; 4 A d 1 C I F 1 G I . IPM I.4w4 . Iv II n, .-,',h:r ir,p IAACE KM 'I _.. r. r .w. r. u..r 11J)JI I .... ?GP OIACk MAIL l - LINT INLALk-NISI I rulr .tu ,v.0 ivyl•u. Ua1M i I 1 ',,,IR A, .. �.; I _ .v.. �� ♦ >.:-. I ,.. .;• " rv1 n t 40,401.., w.. 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I..:AI A 1; ' , _ _ WNW Stasis lE OONI17 i,3US BEYwEEM EN9 CA :CANER LINE (RACE POST 1.M A NBUCMtE ON OTHER APPRGe lM. IJ Gn1ENIEYICE FUN b ;sirU u PIPE, 21 34 tb'r. 'CM GAN- 'HMI W IUn. i , I 11 23 l •AH.It - tt:lv,t �+I r -1 • I .• _ _ _�•1 r._. • PIING& Stull.. BC USED t.Wt CC.NIIAUWS SPAY OF IEN5ION WIMk S TENSION WIRE Y.K. COhtpW ID PASPIIO Ps ;It ('ALE MN* 1900"OD PIPE. 7.37.WPY [ - oats PEEPER :WOO HZXI I J1!' 03 PIT& I a .tN T _,RAINKnit . 1 AIKtIA,ICM - 1khslLl. [WA' b LOCATION Of PENCE. Wltt WM WWI.. NW OLNIECTION 17E WON: iIAu. Ni A.i%MOWN Ikl INf ORSIGNakAARMa AL OIMUNSION5kiC:H.1. Galt STNETCNIA BAM JI It' v'114- IMP COALE MAL - ! II slMAth N'S, L Wolk fight a R:NIPM IOCWIP. OP RC5I%(LI NO) XI It ANW K(i. OW v,y 1tN:J/. WIN , E - - II IS -4.E1 I i CUNARD IS TO CONO ORM TO IN CW. PAVING AMUM CLDIVMEsSM ASAIM 4alliC1r1. W 1,000 PSI Al a LM'S IHLSINA MC MACE OOMANIt It.' X It CM .VI IiNYM:A .(ALTS I Dully) us IPali •LIMN '..' 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ESSOR STATION 'AtskSED SITE 15 LCCA ED IN (OT C RE30R KING PAW OF THE NE iM 3 IIE SW U4 of SECTION19. ICYW4.5MIP I tOli0. RANK! M Wei' 011• MANGEY. MERIDIAN. WEL:a LM E', >'Tale Ci Ca URA%U [tie SIZE 5MtVEV KM IN1SM LIA T VMS MItPAMK• V• LA tuNVtt Lb MD WA% hetkl%SDUN Au.teS Nose- CEASEC W WER '' Ni J5255J 01 y7 'J 41:1/114.1! tLflI424: _Mit Ct%NE} Ni8J SSA yMO aH:li.ri•INt t JI10Al101Y Ia. 111nFMS; I __ 1 yy k1!1:MN rle ma �. Li •010 ti - I� -� /E3752567 �•� •1 • {{ 1 T • , . . . • - ' . . . - . \ t — p r .ECMI(()NI.OAt UM, inIIJ ON .R.CALt[q 5141k PANE CUCIRW/NIt3. WAIN :US N:}tIN AMIUCAN .Ra,.h JNr1u 11A1w w111ua stlNutnlfb Vt,,1tS. (✓.IVI hue N. AMINIUAJ, VERt4C/N 4stoM 1vne 11111} _ _ 1- ' I I THt'We (WSINT,W (AWb MU Wt&D5 ON WW$&N ,:IKAJNf. Mitt]N TO W'41TWINC. EJW/l(Wtkt, nii. I.A•1• AUAf.•.• - - I - ' / WEM)I(%1Y LLCM "We WAll ULANIt ANNA* W(WITAPLI MATERIAL a t&A1Mr.. M(L51UNl TREAT ANOCLHWAC1 TILE 41110ADF AMC* IOVW.IMU IIU ON SURFACE tNiM 114) .AWNUL ATN' -. \ ..Vv '' • I - \ ; l� 1 VI Pimp r . - •-4•A] \ I } __ 'tea_ - -N 1.1/4011.14 -1 - L? — -� i r•- \ 4 ALL•.ul Mtl•R.ilt1/E'OMtn-IVuhtf:51, MJlWLINt*Wt>ELNNt(.AWINI:S .1.: 5.•. - ..7 T 1 tl BEtRN NAM RUNG - NSRILJE /' k1 5011 )B \ V\ / E / • / 1 I ll 1 \ t I ` • ,I1 Eilt.1 INN �1 1 (dUUVK. Ube.• ION'S MLIWN-t IV 'a'W PINIYItl3 5tWkM.IN4 toil 'cXKa, GRADE ELkVATiCNS WBTRKI R FRiMI AWDAREAS AM/ 4' PR OM ROM AAL OTHER HEYATIOW 5 UVON t. - j= I N_ A 1253311/1 E 3253349.11 50IO.01 EL 5010:11 �— �_ __ _ _ C. Pt NW0- N 1211M1.1bk 1 ),11513./4 — H ` - L 1011.41 fA5c h125 LARNE'. 4es JL 1 < - ` ` • 0 AC*O1Ii:NNICM. UfvtillCA lItN REPORT WAS PREPANEU hit THIS SHE r , E 0 EAAEC•MV Ci)NSW 114'5 INC OATEJ Jail NJ030. AD Rah 5 M•ALl at CtAOACTED TO A MINOMIM CA- 15% CO THE STMW)LTi 1 a 101 I • 1 t J 2] Y 1 •J I I� \ I} \ KOMI:0EN51IV EGAD_ AT a •A Of THE 71.111MAt MOI'GTURN CONTENT ASTM IM4t: RLiti. 10 iµ ABEA•K REFERENCED G601Et]wICM'NVE5714A111)t: PROJECT NO t11PS0Ea EON 4DOltpy4y — T e� INVERT / 1 \ — 1 /,i N i:1)e)J.IS I 1 INFORMATION AND POE >'PECIFK REQUIREMENT! - _ is Stl2.M �" I ( / L 11 \ I 1.1114E41 i 1¶1'1 II 11\ L1713554.14 \Li iDOl 31 x INS / _ / \ i \ I 1 LN0iP U4E1(W.El.UI]51L°LLOtw M1l.tiuL'r UEVARTII,(NIU TRJUt$PCYLIAIIOh {L7J'.JII'VKllr(ii' WIIM C103E Pen GMTE LEN STAMARD141NM-6041VJN APPROVtb E'j.Mt 40,1W if-MAE• S • V.Uu••• I rI i. I•SV:Lbw •� \ / — I / \ % y • / , I s TrE CONTRACTuft MLLE* M.Sit31(SIBLE FOR LOCATING NM; MUTLCTIM.. ALL 4$ kGRGtus(J ul ltl11E_ DAMI it. M 1251411.15 t )751'.31.5. 4 404:03 to 5411 I. 1 1 . •./ 14 /J ` • \ 1.• RR1 MAO N 1.51 Yi.w ♦ / a 501).10 \ e: "mu ♦U . ke• b • / — -- - -.1Wq t` _ \ V l_ r `t>LD/ L"i \ 1 V \ r \ 1` TEE C1JMIRAC10NN IS IO ENSURE IhAI III AND(YNNEWS SITE PERG-41403 . ME COM/CMG PART IQ COMMENCING CONSTRUCTION ACTIVITIES CAUTM.A 511]441 OE TARE, O,Ai1X4 AL EXCAVATION W SC•li MID eOuM,A1tOM WITHIN tK LIMITS OP UI>TVAHN/L'f C.ATACI 11WIhkEN to THEME AME i:JUNt1CT> • IW MAMAUI! LA ,1E 511E GRAVEL WILL IN IN>i*LID APTON AMIIMEENI lb SET AND tUUTA_ (A.M•1AMJ it ♦L K R0A0 1/1]111)-J1 I t Wail �L !I J .I / -a\ 1 • 01.. NW• U \I 1151.NM ...\1 \• I ,:Sbl /.e0 V / r�\ ^ 'NA10 f! / ` I1 I • - - I; 31MClE TM CONTRA/10i 11. TO COUNEMATt WITH OWNER Hi A4 WOWS WrIALtATION TIMING IC IM.S]N11TACIU IS IUtu1WI1 AUMALMit 4$ hAM0tt 10 UMIT PIMA( iu PACING GRAVEL! WWI. 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IM ' -- N IJS1141..:, y • •1 /�I/L •C I / ♦ I ( Cs •t 12}11♦ Y.4: .iAAA.•ER co £CWT WV>0 NOW -A E LSH15.14 £lSVll II LC JOL2.13 / ,. )( ♦ CNVERi. 4.44 iM le' IOlt - •:..4 N. 1 �\ % \\\ [ 175121..0 el ltlW.ru RECEIVE), 5009.40 s C. 1y 1COMPACIED IASI 5pl Oil RLC•C1EU t DASIWIL, • WASTE/14E CCsuOGMW(Et/ANC iLMVK tEU :wAGNKF J [EPTM (TTDN.A{) a wn.x1- ,/V ,YK 1 / OEOIEt 45051 A TYPICAL OEL I..ft LC SECTION •AL. . - 20' CROWN PNT ROAD h t251,S5:i0 325)452-9.114.E_1 5015011.96,,. .i _Ss i Ay `:� I 1il OtitNn4h POND NTSE r m . '- \ I ( hi “ii. sou, V� N III 1SEETGR5C&oo2 RJil EIRARGED'_. til b3AW \ [ s/SIlAO.t) A - •> / ' RANAK/ UEIAR5) CURVE TABLE . HOPLZOIIIA ML vtAi1CAL CCAI(s+l LlM I . !L tOu,.W I/ lfirOEllE tJi,KE, • I / IC, INI CUM* • RADIUS MIA LWIGTH ' I / a X.00 a...• a�� ( n.7e I I l'.I- \ . /T,( � I pX.0041.P0�4t • EJa11U511LItH i \ \ /y �� / IpI CIX00R.W:• MY]41NA ILEVAItUN5 hY IMP12411ih .: // / ��►/,� fAq]WIG UNP1u. \ '.,• (AW:00Af.W}59)Ap w.5a • �l -548. -- � ITVIf 1141 - •.• V "N T\' M. A.R4, \ �� -. - tORNEN N CS00 00A1JM]•15 9! IHrW.NIW5.TI \ ---_.- _ _ / I≥ - N 1 2I) 1165) s � � / (/' u.._._... -t. . �. J. EIISJ COX.00 AO•14.75 5351r`.ht it rl Nunu __ NVEst e:. _ B103J .rI — -�_a^l�'N �t S, t5010.10 Lt1Nt (AWEt N :15lO15, 14 _ 175? H1 . T: 375X.1'1.10 - M It1/Uel.e/ I U X'00 WAEU• 14./5E 7 753 I4u � EL 5009. "0 1 Q E )751110.11 ! 1 a( tt 101A.N ce100ows7•40wI'CDOtt..AS54 ROAEI-- IASPAN I H SOME -4u - — - 1 .1 i I SOD CMIpK+ t MDISTLik CONDITIONED AND COMPACTED c• •'C' Ii VC Geom.' 75051 co* Ecu.,. : tent 0-02.41./ LEGEND ABBREVIATIONS — 50v EIJSII MAMM c(AT A .C PORT($C1MPATIWt S TYPICAL SECTION - 20' CROSS -SLOPE PLANT ROAD Pa 4CCI*OL 1(D C'JRVAIQIlt 4491POINT CA REVERSE CVMVATAtE 1041 FAINTINLCNIOUR PI 0. FAINTING AWN CS INTERSECTION Pt POV11 W TANGENC. ACM NIGHT <? P.N. 1 X35 5:u• M•VDRD MAMA CLMTIAJM BIM POTION CL CNSTEWJM FL lLOWLIM - •'.AMO>eU MINES CpD(MN 811 'pp•E., tY•,...... a'• tt;5� 1407— 1 EASTNG M. CL HIGH •i •TICH AIM AUTO i.ENIUR•.IMI is LN 'OW KM' 'Ii,. 1 ).- NI,•P .. c X9458 114,' .V_•B OS: NI VM'_. - LIAR 9AA.LPUH N NOIIIMING 0 - 1)__ W - 0 -JV RIEOwTIE1W}Y. below. ''•r ••••••••1"S. 'iU EDGE WILL. NORTH SCMI 41. - DA .. w..i- EON Of PMEMENI/GRAVEL.... Call before you dig. Mt ete Nts11• m n error 4Itt.v ••t uu.a•N0 ..nt.A..•E�.NNy 1 . W CURET0N MIDSTREAM CUREfDN ► IDSTREAM �E 1IffGG1111YA�111 ' WELD COUNTY, CO - 11131 PRWECI NUMBER VII 1 P.n1%NG•KM^CS m•seultaes lit - M rmuD 05/14(4011 TIGER COMPRESSOR STATION 4OMMSCFD COMPRESSOR STATION CIVIL GENERAL GRADING PLAN 17218 .s•1P�1I1IWW77 `,`eN,N,P'•••"Nh w ••••••••••a •• •t r .. •- 'IOW 05/14201/ DRAWING NUMBER ••E,••••••••••••••••'•• l...Lunt• •• W 1. TC MFOR non 0 - i: ISSUED ON$IRUCTION 07/12/10 MtC M NtllNArT 05/1D3G L7 Samuel Engineering .Yr .. 'M1 iNn.un. Abu EVNYLi4•O NO PheFs. V W •N •u. .• M.r ' .... -.. _ • - TGRS-CE-601 Q ........ M•1 Not •.w RV 11 4! 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INn*6.t.tyr4IP.1 w•.A. •T Nines t.l••nR1 MI 11.•• Reseed *SO to P• POPn vcrM• r °Mt•'•WS w Tote,saa 1 wp 1nnl.lu4M 4 '..40• In 0l. wIak Y • ".^ • aeonHOe ...comet W Dui w P••NM•Y 40. ni.Wan.Y�•..N•w•n~L••Nw _ _ - — CURETON MIDSTREAM ® C �lJ1\ MR$TD[NtV W �S EIIILLll1III�PII • - -- WELD COUNTY, CO -...: PROitC1 NUMBER NGOUO 0101+/wle TIGER COMPRESSOR STATION 4OMMSCFD COMPRESSOR STATION CIVIL GENERAL GRADING AND DRAINAGE DETAILS 17218 __ M CLOUD '� 05/14/10/6 DRAWING NUMBER MC'MWN 0 ISSUED FOR CONST4tJCT1ON 074124 16 WC - M TOT WIFT OS/17/w16 - Samuel Engineering We Peon*: Silioov { " '• - ° ' - "•' • _ "- "' -" _ TGRS-CE-602 U REFERENCE DRAWINGS REVISIONS REVISIONS -' - GwellOYLp. COW" ..r 103n:Im 8 C D i F I G B 1 C l D 1 E I F G 1 H R M X T \ A xite 1 8 8 8 3 NOTES I \ t 14 J• 78 W W i W A W W W W IY W V II W , W L I DIE TIGER COMPRESSOR STATION PROPOSED SITE IS uXATED IN LOT C REAOM BEING PART to 111E NE iN I* WI Of ISW OF S&CiltSECTION:9. TOWN5Mli I NORTH RANGE PA WF51, Os■■■ I \, I L\ HSG B HSG ,_ C— •\ 1 r/ I ■__ — • -- PRINCIPAL MERIDIAN. WELD COUNT. STATE OF COL:YIMo 1 rnE SITE StevEv FOR TOILS PROJECT WAS PREED PAReSURVEY V LW CO FPO WAS NECEI*DON Ol.04.110 II rAA12ON144 DOWDOWLSI ON COLORADO STATE PLANE COMwNAMES WAIT, AIR Nate BAS I 'N.L •�-�� _- 1 �I -7t-,- AMERICAN rN1R12CWTAL DATUM, 190 4u* Seek! IEE1) / � L I ; t vFRTSOy IMTW NLMIn AMFRROW WA 11tAt DAWN IOW 79 � MSGC ` tJ I r+ - I RVIC Wt SULL 4RLUP A1dNUNA1k N,aF UM MRS MI M4 NEf4AN [L tpNYNVAtkY 5wwa well SOIL S1My9r H / Ir / / / - .. ` I I S. ?� 1• M. ` — I I— — �t — i - /� 75 HSG A - \ _ - - _ _ 4 u IU4.S 'WNW ARE PROM UIG1 KINEsaJ10 µIADRANOtt T S-MAOtt awns pop (.011i LEGEND / LEASE BO R ARr , ` , ".c II / EXISTING MANOR CWIiuUR I BASIN EX -1 �. -- - �� ....• � ,{ !// t ' - - `- DESIGN POWT ER 1 72 HSG A \ \ / SOOs — — - 5002 - — — COSTING MINOk COMD1ri / N ,. — -- - ,11 1- -h_ - -. _. _ t 5005 PIt POYU MAJOR CbWIAA1 / \ — / / F I PRIYGSEII M11*00 CCW1ti0II �� / / - .\ �-�- / / I -_ I/ ORAINACA) SAWN eI11 da. 99D*AINAGE SAWN NOW PAIRI: JN / // 1 1 ' / / / / 1' 78 I tI+IUMI4E FUrw WNICNJII HSG A 72 HYDROLOGIC EDR GROW 105051 J I / // / / / er 25 HSGB HSG A s J 1 - i I 15 / O4 MRCS WEB SOIL SURVEY DATA 47 I I i .' / / HSG B I I I Mn UNIT 5TM9G '(AR O4 NAME NvORLOGIL Sou ran W RATING HSG B ! / ,. LOAM(041. CULB'v M (OM TO IM SNORES) B ' �p �. / / '_- / is COlet ,OAP II% TO 3M SLOPES) tl — — _i I I /5 ID Oh(\WM1)1'U a \` � / Is /5 .„,„„b0.5,0-41044 TD IN SLOPES) I%SLOP e 16 / 4/ OLNEY EIN!>PN13T tUV1 (IM f03M1 tl T .. 1 \ HSG B - / 72 WAN LOAM. aRT61ION IO!\so.is A \ 1 ► n VO1*A yew I OAM ( IN TO 199 'ROPES) A 1 \ ••.^M ._ _ M VDIVA ww• LI, („ TD 7, ktIPfl) A F_ 7 Watt; DAM ICI% PO IN SLOPES) t t •( \ \ \ 70 WtLO LOANiIN ID W. 5LOPLS) I. F 1 1 \ I N. IS I a F 1 t, I 11 1 79 MSG C \ I I I ! t i i 1 I _ — _ �.�. —7.--;`�� _ co v ee . T Tea I.s+wa.� . T� '„'-'jV•'._ 1t��T 1 — _ _ — .a _ I _L_. _ • .� DRAINAGE BASIN SUMMARY PAWN DESIGN P0W1 DESOUPIWN 10.1801ING AREA :ACRES) I1rLAKILL IC 500 GROUP DOG) I rWERVIOuS AREA {NI BASIN IOW LB.GTF DT) BATA F:Av StO+E 1M) 14YR RUNOFF C IENT 100 -YIN RUNOFF COEFFICIENT SFYR PEAK PLOW RAT Q(CIS) 100-111 PEAK PLOW ATE ICES) ill -1 La.. WASTING MAJOR BASIN ENCOMPASSING PROPOSED Sill m 49 9 1 1791 1 IS 0 L '.;i0 .v 5e :CI AS 1 _ _"` =G,AF.00U ttt 49458 °t rl-ao9-la"8 FW: NORTH I O11 3Fr/.......;,,,_ �NA, Pot pceMFr SOON. WN.IIS below. For Information Only Call betonj you d49. Nut For Construction TRR 4t,..«1 r earWiM r . In .421.0 vine, e •., 5rwN NibTN1N tit) l nwM..r_LwetSe so Owe itChieiff • wee ei w RAM1ow yr wpaMIWNMa wt VMM al•Ut .tw.r.M» illt wt salad Et. '' i dnolr M'r's » • ewer M»IL. w Say M wrtrr rr Hewn rwr„e ~— 1 • too CURETON MIDSTREAM ® cup, 1 MIDSTREAM - WELD COUNTY, CO I t hi PROTECT NUMBER 14 OELAI M. QOUO 115/14/2011 OS/1V701R 'IGE0. COMPRESSOR STATION 40MMSCFD COMPRESSOR STATION CIVIL a RE -DEVELOPED DRAINAGE BASIN MAP 17218 MIL MWA B f55UED FOR PERMIT-CONMENi5I1tCDAP01iAIEO 07/17/IB MSC--- DRAWING NUMBER MTC MWN A ISSUED FOR PERMIT 05/27/18 MK M. Ig11WT 0513212010 Samuel Engineering We F.w,4. 5M+r.wM oar.�ai..w w.P"oaoiiii Eua 7301714 I .....' ... _ ... ... I® .. � TGRS-CE-610 REFERENCE DRAWINGS REVISIONS REVISIONS --- i W ^' m W a' i .- A' a y NOTES I h 14 -, 78 W W ` -, I _y - W Wy \1 el W -� I Tlemnt t.E I; C:aAT PITESS Mt r1Atsww VROPosTT.SUE IS COCAIN': lb LOT C AE30'ttl BEING PART Cr GTE NE I:a CA ThE iW U. OF SEi�llM II. TOWNSHIP 1 MTRTn RANGE M WEST 6'M I HSG B I - HSG \ _ C / y 1 N•BCIWt MER1WM1. *ETD COUNT, St Art Lk "MORALE Me i lE iINYET TOP inI>DROIFC, wAS PREPARED by L W iuRVEe CO MW WAS RFiE1vEU U I L j \ryL \ / f '[\'\ 01/W20I. nulI2ONIAL OAI11M BASED ON l[XURAUO STATE PLANE 900RaNAtE5 NORTh zoo* NOR IM P11•11 �- AMERICAN MONIXWW WTW, MU IVY % NA, - -1Z.:-..•--- -"a----79-7- -�•- -- ~ _ - ��a`-•t •, l 1{T - —I -� - 1 1 VERTICALLaUM MATn NM(YICM VE0 TWA. OATEN :Us I ' �T- 79 HSG C_ •••• T — WYR:h \ POW 2 T 11.x' LJII I �• 1 I ! i I y •2 \ I S `` 1 •ITOR(AWIC>OIL GRUVP OYTEMMINAI ION Is RCM uM.W r.AIL1RAL MQSCANCE CONEEMVATION >HY1Ce YY1 SURVtr ' i / r � ...so"... -r BASIN PR -2 - / —"-� 'r BASF PR . -1 �. .}ASEIR3UNLY0l. .r ! — ..... N -1 { - - -� HSGA - - - t jl • 4 CDN1pLR9s SPOWh ARE MIN VSGS AEENFSBVW QVAIRIANGLl /SMINuik >lMlk>MN`it01]I s s LEGEND - t -1 -' _ -- - - �. \ l SODS Ex11TITS MAKS OONIVUk - ... -------------- a• - __- \\ ' — - DESIGN POINT 1 9 I 1 ' J OHIO.. POINT EX II\ 72 HSG A - soot - — EXISTING nowt CONTOUR - - - i I SODS miaow: MAJOR CONIGp / I +ROt45EU MINOR I SOOT CONTOUR ' ` E3ASIN I X I - / MAMMA OASES MONONM• / ' I / ONAINALM DANN ruin PAITr ' / - / 76 it � r •Yt•••• OININAGE PLOW ISM IRh '` Knockout lot cake lass)__ HSG A // / 25 HSG B HSG A f ✓ r I fp4- I NRCS WEB SOIL SURVEY DATA 15 / a7 I HSG B / tti N G L -O I / / MAP uNn srMeUL MAP soh MAIM NTONOGIC SOIL TING EATING HSG B - 1 — - - - _ — I. U C0.B• LOOM cow TO lw MOPES) _ vie — _ _ -- ... _ — I% LS C$tl• tONI ( I% T0)\ MOPES) ii • I :e (3%lU Mb SLOPES) tl 21 TO I PMVERSON LOAM (CAMLOW Ow NS SLOPES) 0 16 / /% _ _ ._ t - .., •I (XM1.1NC SAWN WAN (1w TO TO) O HSG B , ' - / AA VONA LLMAT WC (0% to Tw MOPE%) A ) I'/ T3 VLYNSAPT LLNM (I•D 1•9 S•OPISI A // _ _SVO� _ 6 VAVWmtLYW(I% IOOA SOPE>I A ' L . ' - I X - �.� - J - - n WELD ;AAA (OM IL) %LOAFS) c �/ t \ t /9 who LOAM ( Iw TO 3w 5LOPE5) C I N ./1 / i I 1 - - - - IIfi I I 79 HSG C ili I -{-- , I I j I - ` 1 , i • - - __ � • - �}_- _ 9� _-- - - t •\ . �t�CO�INTY R AD. 6 - _ / �- _ T _ �� _ . __ _ _ •DRAINAGE Ii BASIN SUMMARY aLb:h .A>:L.ti •,..1.1. JEYh Willh CONTR:Su1YNa •.-9.4LA :ACRES) ••'0RO.WII Suit GIOLN OW) FMPFAvlOus AREA (w] BASIN PLOW tLNGTn(r'h RASO. ELJW 5••>E OA) 10•VRRUNOPf COEPPICIENT S.. 10D -V4 RUNOFF COEPIICIENT S,•. 10-TR PEAK TUNA RATE (CPS) Q.. 100-IR PEAR fLOW RATE (Cf1) Q.u. 1+t : OEVE.OPFO BASIN TRIERAARV 10 OEIENt IOt POND 2 3S C S9.20 42$ ..00 C SL` :. Si a C8 9 6; n PA I HISTORIC IOTA PEAK ROW POR BAWL RR-: 235 B 200 425 O /0 O II I )t Pk : uNOEVEtOPEO AAFA IRIBUTAM• TO NEW CULVERT :3 6. 2 CO 1963 i 15 0 26 0 5; 9 93 37 19 NORTH O— .00 960 f7� aee fyJ ONnL L Fat pfitPAI- C g0 WA„ _ 200 KNOW Wh.Tt'sbelow. For Information Only Can before you dig Not For Construction n ...0 R ••An..I.T/T •^•rn....L.I IH• yuWW41 WRy I • 044W •/ORM• • Plan W'•" • .. aIM .Han • . amen semen. 44444 .•n .4N M• ... .P"An'm«.9 ;•"R `•' �. •MR PrM ,.v... • 200- CURE TON MIDSTREAM .-- WELD COUNTY, CO I'I IRf 1(lP. MIDSTREAM :III PROJECT NUMBER — - _- M CLUUU OS/1A/t011 TIGER COMPRESSOR STATION 4OMMSCFD COMPRESSOR STATION CIVIL DEVELOPED DRAINAGE BASIN MAP 17218 — -- -- MIC MWN B ISSUED TOR PERMIT•COMMENTS INCORPORATED — 07/17/11 MTC -.MOOu0 *3/14/2011 DRAWING NUMBER - - MTC MWN A ISSUED FOR PERMIT 05/22/11 MTC M. NWINFT 03/17/2011 ® Samuel Engineering W'•P'•^+•s•r••�•^• • • ,�. . -... _ - ..-. .. - -- TGRS-CE-611 REFERENCE DRAWINGS RI VISIONS REVISIONS - 4FSO EC_MW Moon. 6W2W Acne TP3:,AAA-. Ow9wm Vole GO qO• Fp X0 IN Ur B C D E F G H USR18-0022 -0022 Cureton Tiger Compressor Facility The following is prepared per Condition of Approval I F: Decommissioning Plan Should the proposed Tiger Compressor Facility be abandoned, Cureton will remove equipment, grade and revegetate the site to pre -development conditions, or in accordance with the lease termination provisions. The following is prepared per Condition of Approval 1 H: Landscaping Narrative/Plan The proposed facility is a small footprint on a leased parcel of land. The proposed compressors will be placed inside either individual acoustical buildings or one large acoustical building. The two options will be evaluated by surrounding landowners prior to the Board of County Commissioner Hearing on August 15, 2018. Cureton will present the final decision at the board hearing. The buildings) will be painted to mirror the existing barn that is located to the northeast. Cureton will also incorporate berms, drought resistant natural grasses and plants. A water truck will be used to irrigate plant materials until established. The following is prepared to address Condition of Approval 145): Trash Collection Areas Because the facility is unmanned, no trash is anticipated to be generated on site. General wrappers and water bottles generated by the staff visits to the site will be disposed of at the Front Range Gas Plant (USR 17-0065). Construction waste will be removed. Weld County Planning Dept. 1555 N. 17th Avenue Greeley, Co 80632 Phone: (970)353-6100 Fax: (970)304-6498 Applicant Name Nicholas Holland Company Cureton Front Range, LLC Address 518 17th Street, Suite 650 GRADING PERMIT APPLICATION FORM Property Owner (If different than Applicant) Name Verdad Resources LLC Address 5950 Cedar Springs Road Suite 200 CityDelaas State TX zip 75235 City Denver State CO Zip 80202 Phone 214-838-3000 Business Phone 720-390-4506 E-mail nick.holland@curetonmidstream.com Project Location Job Site Address Section/Township/Range S19/T1N/R64W Access Location: Site Accesses onto CR 49 Project Information Is this a Use by Right or Planning and Zoning Case? Planning Land Use Case # (if applicable) U R18-0022 Is this in a Floodplain (verify with Planning Department)? (Yes -No), E-mail pdavis@verdadoil.com See Attached Authorization Form Signature Parcel Number 147519300014 (East, West, North, South) of CR 6 Use by Right :: Planning and Zoning Case If yes enter your permit number (FHDP) # Description of Work Being Done construction of a 40MM CFD Compressor Station Finish Date January 2019 Construction Start Date August 2018 ...................... ..... Acreage Disturbed by Project: 5.6 Acres Required Submittal Documents o Grading Permit Application Form o Plans: Scanned electronic (pdf) or hard copy of 11"x17" set (wet ink stamped and signed by Colorado PE) • Grading Plan — contours labeled with elevations show any ponds or ditches • Erosion & Sediment Control Plan — showing placement of all BMP's to be installed • Typical BIM Installation Details & Notes — for all BMP's to be installed o Construction Stormwater permit from Colorado Department of Public Health & Environment (CDPHE) o Fee (To Weld County): 1-5 Acres/ $50 5.1 - 20 Acres/$100 20.1 Acres or Greater/$200 + $1 per acre over 20 Pursuant to Weld County Code Section 8-12-60, the Weld County Department of Planning reserves the right to deny issuance of a Grading Permit to Applicant if the Applicant has not received final approval of any required land use application and/or prior to the satisfaction by Applicant of the terms and conditions of any approved land use application. By submitting this Grading Permit application, the undersigned Applicant, under penalty of perjury, verifies that: (1) they have received all pages of the Grading Permit application; (2) they have read and understand all of the permit requirements and provisions; (3) they have the authority to sign for and bind the Applicant if the Applicant is a corporation or other entity; (4) by virtue of their signature, the Applicant is, upon issuance of a Grading Permit by Weld County, bound by and agrees to comply with all Grading Permit requirements and conditions and all applicable Federal, State, and Weld County statutes, rules, and regulations. Nicholas Holland 8/13/2018 Applicant Signature Printed Name Date Revised 3/21/2014 Property Owner Name Weld County Public Works Dept. 1111 H Street P.O. Box 758 Greeley, CO 80632 Phone: (970)304-6496 Fax: (970)304-6497 Company Address _ City Phone Fax SEE EXISTING ACCESS AGREEMENT for USR18-0022 State Zip E-mail Parcel Location The access is on WCR Nearest Intersection: WCR & WCR Dist. from Intersection (approx. in ft.) Parcel Number(s) Section/Township/Range Total # of Existing Accesses to parcel Proposed Use ❑ Temporary (Tracking Pad Required) (#) n Small Commercial Of) -_ ACCESS PERMIT APPLICATION FORM Authorized Agent/Applicant (if different from Owner) Name Company Address City State Zip Phone Fax E-mail Existing County Road Surface Information Asphalt Gravel Treated Other Proposed Access Information Culvert Size & Type (15" CMP, RCP min.) Materials used to construct access Access Construction Start Date Access Construction Finish Date © Single Residential (#) ❑ Oil & Gas (#) o Large commercial (#) -- o Industrial (#) o Field (Agriculture Only) (#) ❑ Subdivision (#) Is this access associated with a Planning or Building Department Process? o USR/MUSR ❑ RECX/SUBX ❑ PUD ❑ WOGLA n COMPLEX (IA required) ❑ Other _ Planning/Building Department case # Required Attached Documents - Traffic Control Plan (a generic plan can be found at https://www.weldgov.corn/departments/public works/permits!) During the review process it may be determined that a right-of-way use permit will be required as well. Certificate of Insurance (with "Weld County, Colorado" listed as the certificate holder & as an additional insured) - Access Pictures (from the left, right, into & out of the access — N, 5, E, & W) - Access Authorization Form (Not required if the application is signed by the landowner.) Fee schedule (to be determined by permitting agency) - $75 each access point: Temporary, Small Commercial, Oil & Gas, Single Family Residential - $150 each access point: Industrial, Large Commercial, Subdivisions - Field (Agriculture only): no cost Parcel Sketch (or provide an aerial on an add'I sheet) A = Existing Access A= Proposed Access WCR T N Li WCR U Description of work or Reason for Permit By accepting this permit, the undersigned Property Owner/Authorized Agent, under penalty of perjury, verifies they have received all pages of the permit application; they have read and understand all the permit requirements and provisions set forth on all pages. By virtue of their signature the Property Owner/Authorized Agent is bound by and agrees to comply with all said permit requirements and provisions, all Weld County ordinances, and state laws regarding access construction. Signature Printed Name Date Signature Printed Name Date (in case of multiple Property Owners/Authorized Agents) • Access Permits are good for 1 year from the date of issuance. Property Owner/Authorized Agent must obtain a new permit or request an extension if the construction of the access point is not completed in that timeframe. • Extensions are subject to approval by Public Works • County regulations on road access can be found in Article V of Chapter 12 of the Weld County Code. Samuel Engineering We Provide Solutions 8450 E. Crescent Parkway, Suite 200 Phone: 303-714-4840 Greenwood Village, Colorado 80111 Fax: 303-714-4800 FINAL DRAINAGE REPORT CE -201 PREPARED FOR: Cureton Midstream/ LLC Tiger Compressor Station Project Number 17218 The Tiger Compressor Station is located in Lot C, Recorded Exemption RE -3078, being part of the NE Y of the SW % of Section 19, Township 1 North, Range 64 West, 6th Principal Meridian, Weld County, Colorado PREPARED BY: SAMUEL ENGINEERING, INC. 8450 EAST CRESCENT PARKWAY, SUITE 200 GREENWOOD VILLAGE, CO 80111 ISSUED FOR USR PERMIT Revision 1 Engineering • Project Controls • Estimating • Construction Management Samuel Engineering We Provide Solutions 8450 E. Crescent Parkway, suite 200 Phone: 303-714-4840 Greenwood Village, Colorado 80111 Fax: 303-714-4800 Originator/Lead Engineer: Project Engineer Approval: Project Manager Approval: Client Approval: RECORD OF REVISIONS Michael Cloud Brandon Primeaux Cole Ones Date: Date: Date: Date: 5/21/18 5/21/18 5/21/18 Rev. No. By Revisions Approval Date 0 M. Cloud Issued for Permit ('ITC 5/21/18 1 M. Cloud Issued Incorporated for Permit with Weld County PW Comments MTC 7/9/18 Current Working Revision Rev. 1 Date 7/9/18/2018 Engineering ♦ Project Controls ♦ Estimating ♦ Construction Management Samuel Engineering We Provide Solutions 8450 E. Crescent Parkway, Suite 200 Greenwood Village, Colorado 80111 Phone: 303-7144840 Fax: 803-714-4800 CERTIFICATION OF COMPLIANCE ENGINEERING DESIGNED TO WELD COUNTY CODE STANDARDS AND CRITERIA CURETON MIDSTREAM, LLC - TIGER COMPRESSOR STATION I, Michael Cloud, Consultant Engineer for Cureton Midstream, LLC ("Applicant"), understand and acknowledge that Applicant is seeking to develop the property described in the following Drainage Report. I have designed or reviewed the design ("Design") for the proposed land use set forth in the Application. I hereby certify, on behalf of Applicant that the Design will meet all applicable drainage requirements of the Weld County Code with the exception of variance(s) described below. This certification is not a guarantee or warranty either expressed or implied. (Engineer's Stamp) t0 0 L ic,c,'� + f et" •#471 t c;L T , ;, a : 49458 - *crefai ,- I 8 lit 7.4„61/4, .e0,7P0 ese,C.\\--% Engineer of Record Signature VARIANCE REQUEST 1) Describe the Weld County Code criteria of which a variance is being requested. 2) Describe why it is not possible to meet the Weld County Code. 3) Describe the proposed alternative with engineering rational which supports the intent of the Weld County Code. None I understand and agree that the intention of the Code is to reduce impacts of development on neighboring downstream properties and the public. I understand if this variance is approved it is not precedent setting and is based on site specific constraints. Planning Director Approval indicated when signed by director or appointee: Planning Director Name Signature Date of Approval \\afs-do-01\projects\Protects\17218_Cureton Tiger_Cornp\Engineering\Civil\ReportsADrainage Report\Final Drainage Report\Rear 1\Curetori Tiger CS Final Drainage,docx an tall Engineering Samuel Engineering We Provide Solutions 8450 E. Crescent Parkway, Suite 200 Phone: 303-714-4840 Greenwood Village, Colorado 80111 Fax: 303-714-4800 Table of Contents 1.0 DESCRIPTION OF PROJECT .lrl■al.11.l.lal.1/llIllas.l■ll.laslilal.laOlilall.l.slOl.lI.lasl/l.U.I.. OI.UIUliROI/.IUll.I 2.0 CALCULATION S....................... O 4 OOO WO O O 55 OO US 15$/SISSISIS/SSISISf55.,15115!511511UUSISIS115l004000OOVOOPOOMOVOlgeefe 2.1 HYDROLOGY'.•••...•, 2.2 0095..•': •••••• •• 00••••• 0050.•.• 1 1 2.1.1 Site SoilsOO ....•....................r.........•r r 40444.0404 4 40004400009O4004 r 40004 r l r 140004 44.04 r 4040 1 2. 1.2 Design St1I• m..... 4...nonunion i4.... r.....7...J. i4...4... i 2 2.1.3 Pre -Development and Overall Post -Development Site Imperviousness4000444.0.4.4•.•444.0.4 a a 2.1.4 Peak Flowrate Calculations.......4444...4444.4.■ 4444...4444..4440.444.0.444.0.444...4440.444...444.44..2 DETENTION POND DESIGN 0.0000400.•..•.•.0000000.•.••••..••'0....••.•••..•.•••••.••'0.•••....•••••.•.'0..•.•#0.004•.• 3 2.2.1 Pond Volume Calculations 3 2.2.2 Pond Stage -Storage for Discharge Calculations 444..444...444•.44.4.04440.0. 2.2.3 PondOutlet Structure Design ............... 444 ..................... 441...4..454non 44...444..4444.4545.....4 2.3 HYDRAULICS 2.3.1 Culverts 5 2.4 GRADING AND DRAINAGE DESIGN 3.0 •••...••••• 5 ONCLUSIOellMiilMlSlllMIII!llllO!!1!11IGIBMIDOSIDOBIDIMODf!lOlMii!lMrliflllMMIDOiIlliiilillllirliiliiIl ISII APPENDIX A: VICINITY MAP A-1 APPENDIX B: NRCS WEB SOIL SURVEY B-1 APPENDIX C: NOAA RAINFALL DATA....... C-1 APPENDIX D: AREA WEIGHTED IMPERVIOUSNESS VALUES D-. APPENDIX E: HYDROLOGIC CALCULATIONS ....5.1 55555555E-1 APPENDIX F: DETENTION BASIN VOLUME BY THE MODIFIED FAA METHOD E4E.5.4454.4441.5144441.+..■E44. F-1 APPENDIX G: DETENTION BASIN STAGE -STORAGE ....••....5 G-1 APPENDIX H: DETENTION BASIN OUTLET STRUCTURE DESIGN APPENDIX I• CULVERT DESIGN 0004.74...E94..ir44...4 1440.M.74...E94...r44.1.4444•044...494...444.•.4.4•E044...E9...■4..444...444.004.7. I- . APPENDIX J: CONSTRUCTION DRAWINGS .5 ........ .................J-1. I \\afs-do-01 ,projects\Projects\17218_Cureton_Tiger_Comp\Engineering\Civil\Reports\Drainage Report\Final Drainage Report\Rev 1\Cureton Tiger CS Final Drainage.docx nage.docx Samuel Engineering We Pra4S S&1cr&orls CURETON MIDSTREAM, LLC TIGER COMPRESSOR STATION PROJECT NUMBER: 17218 CE -201, REV. 1 FINAL DRAINAGE REPORT PAGE 1of6 1.0 DESCRIPTION OF PROJECT The subject property is a 4.25 -acre parcel leased by Cureton Midstream, LLC for the installation of a gas compressor station. The compressor station, access roads and detention pond will disturb approximately 3 acres of the 4.25 -acre site. The project site is a portion of an existing lot which consists mostly of pasture land with existing pipeline right-of-ways bisecting the lease. Topographic relief over the leased property ranges from 5010' on the west side of the parcel to 5006' on the east side and is characterized by gently sloping land with grades that typically range from 0.3% to 1.0%. The subject property is not part of the Weld County Master Drainage Plan. There are no open channels, lakes, streams or irrigation ditches in the proposed development. The subject property is not located in a floodplain. The surrounding area development consists of single family residences to the southeast and northwest, and agricultural property to the east and west. See Appendix Afor project location and vicinity map. ICI :CALCULATION 2.1 HYDROLOGY The project site drainage must be designed to meet the requirements of Weld County Code Article XII. It has been determined that the runoff from this site is non -urbanizing and therefore the increased runoff volume _.must be detained in an extended detention basin and the increase peak flows attenuated to the "historic" 10 -year peak flow rate for the basin area contributing to the pond. Historic flow is defined as the existing area with an assumed imperviousness of 2.0%. The detention basin must be sized appropriately to store the runoff volume from the 100 -year 1 -hour storm. Urban Drainage and Flood Control District's (UDFCD) design manual and worksheets have been used to perform drainage calculations for this study. 2.1.1 Site Soils The characteristics of the soils on the site contribute to the amount of storm runoff. Regional soil information is obtained from the National Resource Conservation Service (NRCS) Web Soil Survey. The majority of the site soils are Colby Loam with sloes of 1% to 3% classified as Hydraulic Soil Group (HSG) R. The remainder of the site soils are Weld Loam with slopes of 1% to 3% classified as HSG C. The existing regional soil information obtained from MRCS is used for all runoff calculations in undeveloped areas. For developed areas, it is assumed that places and compacted soils will be HSG C as the Soils in this group have moderately high runoff potential when thoroughly wet. See Appendix B for the regional NRCS Web Soil Survey of this site. \\afs-do-01 ,project.s\Projects\17218_Cureton_Tier_Comp\Engineering\Civil\Reports\Drainage Report\Final Drainage Report\Rev 1\Cureton Tiger CS Final Drainage.docx nage.docx Samuel Engineering We Pra4S S&1cr&orls CURETON MIDSTREAM, LLC TIGER COMPRESSOR STATION PROJECT NUMBER: 17218 CE -201, REV. 1 FINAL DRAINAGE REPORT PAGE2of6 2.1.2 Design Storm The design storms considered for this site are the 10 -year 1 -hour and the 100 -year 1 -hour events. The rational method is used for determining peak flows and the FAA method is used for determining the runoff volume for the design storm. Both of these methods require the design storm rainfall depth as an input to perform the calculations. The rainfall depth for each design storm a re : 10 -year 1 -hour = 1.39 in 100 -year 1 -hour = 2.62 in Refer to Appendix C for NOAA Atlas 14, volume 8, Version 2 Rainfall Data. 2.1.3 Pre -Development and Overall Post -Development Site Imperviousness The existing site and surrounding areas that contribute storm runoff consist of undeveloped pasture land with no pavement or structures present so the pre -developed imperviousness is assumed to be the historical value of 2.0%. Final site development will include gas process equipment and structures such as compressor skids, storage tanks, compressors, etc. with access roads and gravel pads as welt as the detention pond surface. The developed site contributing to the detention pond will have a composite imperviousness of 59.20%. The developed pad is built at least 1'foot above existing grade so the offsite flows from the up -gradient surrounding undeveloped areas are directed around the developed site and never reach the detention pond. Channelization of the offsite flows is minimized to reduce modification to existing flow patterns. See Appendix D for composite imperviousness calculations. 2.1.4 Peak Flowrate Calculations Peak flowrates at design points for each drainage basin are calculated following the UDFCD design manual and worksheets. Inputs for rational method calculations are determined from construction drawings TG RS -CE -010, Pre -Developed Drainage Basin Map and TGRS-CE-611, ,Developed Drainage Basin Map. Refer to Appendix J for construction drawings. The rational method calculations are developed using Urban Drainage and Flood Control District Worksheet "UD-Rational v1.02a.xls". The pre -developed major drainage basin (EX -1) in which the project site is located has a contributing area of 66.49 acres. Basin EX -1 is undeveloped and has a 10 -year runoff coefficient C10 = 0.17 and a 100 -year runoff coefficient C100= 0.36. The resulting existing peak flows at Design Point EX -1 are Cti0= 24.58 cfs and Coo = 101.45 cfs. (See Appendix E, Page E-2 and E-3) \\afs-do-01 ,project.s\Projects\17218_Cureton_Tier_Comp\Engineering\Civil\Reports\Drainage Report\Final Drainage Report\Rev 1\Cureton Tiger CS Final Drainage.docx nage.docx Samuel Engineering We Pra4S S&1cr&orls CURETON MIDSTREAM, LLC TIGER COMPRESSOR STATION PROJECT NUMBER: 17218 CE -201, REV. 1 FINAL DRAINAGE REPORT PAGE 3 of 6 The developed equipment pad is required to drain to a detention pond, and as such, the 10 -year 1 -hour "Historic" peak flow rate (contributing area to pond with 2.0% imperviousness value) must be determined as this is the maximum allowable discharge rate from the detention pond. The basin draining to the detention pond (PR -1) has a contributing area of 2.35 acres. The historic Basin (H)PR-1 has a 10 -year runoff coefficient C10 = 0.17 resulting in a peak flowrate at Design Point 1 of CHm10 = 1.34 cfs. This is the maximum allowable discharge rate from the detention pond. (See Appendix E, Page E-4). The developed Basin PR -1 contributing to the detention pond has a 10 -year runoff coefficient C10 = 0.50 and a 100 -year runoff coefficient C100= 0.63. The resulting existing peak flows at Design Point 1 are 0.10 = 4.08 cfs and Q1wo = 9.61 cfs. The resulting flows at Design Point 1 are the design flows for Culvert 2 which discharges the pad runoff into the detention pond. The 100 - year developed peak flow will also be used as the design flow for the pond overflow weir. (See Appendix E, Page E-5 and E-6) The undeveloped Basin PR -2 is the part of major drainage Basin EX -1 which is routed around the developed site. Drainage Basin PR -2 has a 10 -year runoff coefficient C10 = 0.26 and a 100 -year runoff coefficient 0100 = 0.51. The resulting existing peak flows at Design Point 2 are On = 9.95 cfs and Q1oo = 33.19 cfs. The resulting flows at Design Point 2 are the design flows for Culvert 1 which conveys the offsite flows under the plant access road and around the developed pad. (See Appendix E, Page E-7 and E-8) . 2.2 DETENTION POND DESIGN 2.2.1 Pond Volume Calculations The detention pond for this site is required to have capacity to store the runoff volume from the 100-yr 1 -hour storm and release at the "historic" 10 -year peak flowrate. The detention pond is designed following the recommendations of the UDFCD Urban Strom Drainage Criteria Manual (Volume 3) with ability to collect the Water Quality Control Volume (WQCV) and discharge within 40 hours. The WQ.CV is determined empirically based on the contributing basin area and the imperviousness. The required WOO/ for the detention pond is 1,992 ft3. (See Appendix F, Page F-2) The required storage volumes for the design storms are computed using the FAA method. This method allows for a simplistic calculation of required storage volume while restricting the pond outflow to the required allowable peak flowrate of .(a)10 = 1.34 cfs. These calculations are developed using Urban Drainage and Flood Control District Worksheet "UD-Detention v2.35.xls". The required storage volume for the 10 -year design storm is 3,031 ft3 and the required storage volume for the 100 -year design storm is 11,797 ft3. (See Appendix F, Page F-3) 2.2.2 Pond Stage -Storage for Discharge Calculations Following the determination of the required storage volumes for the detention pond, the pond is designed to allow for the storage of the runoff. \\afs-do-01 ,project.s\Projects\17218_Cureton Ti er_Comp\Engineering\Civil\Reports\Drainage Report\Final Drainage Report\Rev 1\Cureton Tiger CS Final Drainage.docx nage.docx Samuel Engineering We Pra4S S&1cr&orls CURETON MIDSTREAM, LLC TIGER COMPRESSOR STATION PROJECT NUMBER: 17218 CE -201, REV. 1 FINAL DRAINAGE REPORT PAGE4of6 (See Appendix J for construction drawings) The stage -storage relationship is determined by calculating incremental contour areas and using the average end area method for computing volume. The key stages for storage volumes are identified to allow for discharge calculations for the pond outlet structure. (See Appendix G for pond stage -storage information) 2.2.3 Pond Outlet Structure Design The detention pond will discharge through a flow control structure and pipe spillway at the allowable "historic" peak flowrate. The outflow from the pond is controlled by orifices which are designed using steady state flow computations in Bently FlowMaster software. The stage at each key storage volume is input as the headwater depth on the weir to determine the required size of the weir. The first stage of flow control on the outlet structure is the WQCV orifice. The WOO/ is intended to have a 40 -hour residence time in the detention pond, therefore the WQCV orifice is for a flowrate of 0.0138 cfs (See Appendix H, Page H-2). With headwater at elevation 5007.34 ft, the resulting orifice is an 11/16" diameter hole with a centroid elevation of 5006.30 ft. (See Appendix H, Page H-3) It is intended that the runoff volumes above the WQCV up to the 100 -year design storm outflow will be controlled by adding a restrictor plate to the structure discharge pipe, therefore the overflow weir on the outlet structure will not control the flow and no flow control orifices are installed above the WOO/ orifice plate. The 100-yr flow control orifice is sized using the "Restrictor Plate" worksheet in Urban Drainage and Flood Control District Worksheet "UD- Detention v2.35.xls". With headwater at elevation 5008.51 ft, the bottom of the restrictor plate will be placed at an elevation of 5006.52 ft. (See Appendix H, Page H-4) The pond is equipped with an emergency overflow spillway to safely pass storm water flow in excess of the design storm volume. This emergency overflow spillway is designed for the developed 100 -year peak runoff rate of Qa00= 9.61 cfs while maintaining a flow depth of less than 6" over the spillway elevation. The overflow weir is designed with side slopes at 4H:1V cut to the top of the pond embankment. To maintain a flow depth of less than 6", the spillway must have a width of 10.00 ft. (See Appendix H, H-5) The flow velocity out of the pond discharge pipe should be designed to be below 2.00 ft/s to reduce potential of scour and sediment transportation from the outfall. The flow rate is controlled by the 100 -year restrictor plate and the velocity is controlled by flattening the pipe slope. The 12" RCP outfall pipe has a slope of 0.15% which yields a peak velocity of 2.00 ft/s at the maximum flow rate 1.34 cfs. Riprap outlet protection will be added to the outfall as a best management practice, but since the velocity is less than 2.00 ft's, no additional scour protection is required. (See Appendix H, Page H-6) 'oafs -do -01 ,project.s\Projects\17218_Cureton_Tier_Comp\Engineering\Civil\Reports\Drainage Report\Final Drainage Report\Rev 1\Cureton Tiger CS Final Drainage.docx nage.docx Samuel Engineering We Pra4S S&1cr&orls CURETON MIDSTREAM, LLC TIGER COMPRESSOR STATION PROJECT NUMBER: 17218 CE -201, REV. 1 FINAL DRAINAGE REPORT PAGE 5 of 6 2.3 HYDRAULICS Due to the type of plant being constructed the site grading will have minimum slopes with the majority of onsite runoff being conveyed by sheet flow and using culverts to pass flow beneath plant roads. Shallow swales will be utilized direct flow to the conveyance facilities. The swales will have shallow slopes and low velocity flows. 2.3.1 Culverts Per Weld County Code Article XII, Section 23-12-70 A, major drainage systems must be able to convey the fully developed flow from a watershed for the 1 -hour, 100 -year event without significant damage to the system. In addition, the Weld County Engineering and Construction Guidelines dictate that culverts must be sized so that road overtopping does not result in more than 6 -inches of water in the 10 -year event and 18 -inches of water in the 100 -year event. Although the local requirements allow for overtopping of the road during the design storms, the culverts on this site will be sized so that no flow occurs over the road and the relationship of headwater depth to pipe diameter (HW/D) is 2.0 or less for the 10 -year storm and the allowed overtopping during the 100 -year storm will be maintained below 6 -inches. This additional conservatism will ensure that the plant remains accessible even during major storms. Neither of the culverts used on this site are within Weld County road right-of-way. The site culvert sizes are verified using Autodesk Hydraflow Express which produces hydraulic grade lines and computes the upstream headwater elevation to check for overtopping. Culvert 1 will be an 1811 HDPE Culvert and will pass the 10 -year developed flow of 9.95 cfs without overtopping the road and has an HW/D ratio of 1.73. The 100 -year developed flow of 33.19 cfs will result in an upstream headwater elevation of 5012.16 ft which will overtop the access road by a maximum depth of 3124 -inches. Culvert 1 is properly sized to convey the design storms. (See Appendix I, Pagel -2 and 1-3) Culvert 2 will be an 18" HDPE culvert and will pass the 10 -year developed flow of 4.08 cfs and the 100 -year developed flow of 9.61 cfs without overtopping the road and while maintaining an HW/D ratio of less than 2.0. Culvert 2 is properly sized to convey the design storms. (See Appendix I, Page I-4 and 1-5) 2.3.2 Ditches No conveyance ditches are used in the drainage design. 2.4 GRADING AND DRAINAGE DESIGN The results of this drainage study have been incorporated into the project construction. drawings. See Appendix J for Grading and Drainage Plans and Details. \\afs-do-01 ,project.s\Projects\17218_Cureton_Tier_Comp\Engineering\Civil\Reports\Drainage Report\Final Drainage Report\Rev 1\Cureton Tiger CS Final Drainage.docx nage.docx Samuel Engineering We Pra4S S&1cr&orls CURETON MIDSTREAM, LLC TIGER COMPRESSOR STATION PROJECT NUMBER: 17218 CE -201, REV. 1 FINAL DRAINAGE REPORT PAGE 6 of 6 3,0 CONCLUSION This drainage study has been prepared in accordance with the Weld County Storm Drainage Criteria and Urban Drainage Criteria Manuals and accepted Professional Engineering Practices. This drainage study has been designed to convey developed flows through an extended detention basin pond designed with controlled discharge rates for the minor and major storms. The flows then travel through established drainage ways in a manner consistent with the predevelopment drainage patterns. With a properly constructed structed and maintained pond along with the proposed erosion control measures this development will not adversely impact the existing drainage or existing downstream developments. \\afs-do-01 ,project.s\Projects\17218_Cureton_Tier_Comp\Engineering\Civil\Reports\Drainage Report\Final Drainage Report\Rev 1\Cureton Tiger CS Final Drainage.docx nage.docx Samuel Engineering We Pra4S S&1cr&orls Appendix A: Vicinity Map _ VICINITY MAP H SCALE 1"gr =2(000' ECTION 29 Appendix B: NRCS Web Soil Survey 40O 2' 23" N 40° 1' 38" N 104° 36' 24" W §_ T r 533809 533800 534000 534200 Hydrologic Soil Group Weld County, Colorado, Southern Part (Cureton Tiger) 534400 534600 534800 539300 535200 535400 535500 ,44 Soil Map may not 144° 35'24"W 533600 N A 533800 � 5.0 534200 MapScale: 1:9,740 if printed on A landscape (11" x 8.5') suet. Meters. 0 100 200 4C0 600 534400 534600 Feet 0 450 900 1800 2100 Map projection: Web Mercator Corner coordinates: WGS84 Edge tics: UTM Zone 13N WGS84 534800 535000 535200 535400 535600 A 40° 2' 23" N 40° 1' 38" N USDA Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 4/24/2018 Page 1 of 4. Soil Rating Points • • ■ ■ A AID B B/D Hydrologic Soil Group Weld County, Colorado, Southern Part (Cureton Tiger) MAP LEGEND Area of Interest (AOl) Area of Interest (A0I) Soils Soil Rating Polygons n A AID f B/D C C/D D Not rated or not available Soil Rating Lines omrakto A pidmie pimbou AID B BID C C/D D D C C/D D Not rated or not available Water Features Streams and Canals Transportation a I Rails Interstate Highways US Routes Major Roads Local Roads Background Aerial Photography MAP INFORMATION The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: Coordinate System: Web Mercator (EPSG:3857) Maps from the Web Soil Survey are based on the Web Mercator projection, which preserves direction and shape but distorts distance and area. A projection that preserves area, such as the Albers equal-area conic projection, should be used if more accurate calculations of distance or area are required. This product is generated from the USDA -MRCS certified data as of the version date(s) listed below. Soil Survey Area: Weld County, Colorado, Southern Part Survey Area Data: Version 16, Oct 10, 2017 Soil map units are labeled (as space allows) for map scales 1:50,000 or larger. ,. 0 Not rated or not available Date(s) aerial images were photographed: Jul 17, 2015 Sep 22, 2016 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. USDA Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 4/24/2018 Page 2 of 4 Hydrologic Soil Group —Weld County, Colorado, Southern Part Cureton Tiger Hydrologic Soil Group Map unit symbol Map unit name Rating Acres in AOI Percent of AOI 4 Aquolls and Aquepts, flooded D 2.0 0.5% 14 Colby loam, 0 percent slopes to 1 B 3.1 0.7% 15 Colby loam, 1 percent slopes to 3 B 87.5 20.9% 16 Colby loam, 3 percent slopes t0 5 B 13.0 3.1% 25 Haverson loam, percent slopes 0 to 1 B 104.2 24.9% 40 Nunn loam, 1 percent slopes to 3 C 22.7 5.4% 47 Olney fine 1 to 3 sandy loam, percent slopes B 45.5 10.9% 63 Terry fine to 9 sandy loam, percent slopes 3 B 0.0 0.0% 72 Vona loamy sand, percent slopes 0 to 3 A 33.7 8.0% 73 Vona loamy sand, percent slopes 3 to 5 A 2.8 0.7% 75 Vona sandy loam, percent slopes 0 to 1 A 14.3 3.4% 76 Vona sandy loam, percent slopes 1 to 3 A 5.1 1.2% 78 Weld loam, 0 percent slopes to 1 C 1.5 0.4% 79 Weld loam, 1 percent slopes to 3 C 83.6 19.9% Totals for Area of Interest 419.3 100.0% USDA Natural Resources Web Soil Survey a Conservation Service National Cooperative Soil Survey 4/24/2018 Page 3 of 4 B-4 Hydrologic Soil Group —Weld County, Colorado, Southern Part Cureton Tiger Description Hydrologic soil groups are based on estimates of runoff potential. Soils are assigned to one of four groups according to the rate of water infiltration when the soils are not protected by vegetation, are thoroughly wet, and receive precipitation from long -duration storms. The soils in the United States are assigned to four groups (A, B, C, and D) and three dual classes (AID, BID, and C/D). The groups are defined as follows: Group A. Soils having a high infiltration rate (low runoff potential) when thoroughly wet. These consist mainly of deep, well drained to excessively drained sands or gravelly sands. These soils have a high rate of water transmission. Group B. Soils having a moderate infiltration rate when thoroughly wet. These consist chiefly of moderately deep or deep, moderately well drained or well drained soils that have moderately fine texture to moderately coarse texture. These soils have a moderate rate of water transmission. Group C. Soils having a slow infiltration rate when thoroughly wet. These consist chiefly of soils having a layer that impedes the downward movement of water or soils of moderately fine texture or fine texture. These soils have a slow rate of water transmission. Group D. Soils having a very slow infiltration rate (high runoff potential) when thoroughly wet. These consist chiefly of clays that have a high shrink -swell potential, soils that have a high water table, soils that have a claypan or clay layer at or near the surface, and soils that are shallow over nearly impervious material. These soils have a very slow rate of water transmission. If a soil is assigned to a dual hydrologic group (AID, BID, or CID), the first letter is for drained areas and the second is for undrained areas. Only the soils that in their natural condition are in group D are assigned to dual classes. Rating Options Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie -break Rafe: Higher USDA Natural Resources Web Soil Survey a Conservation Service National Cooperative Soil Survey 4/24/2018 Page 4 of 4 B-5 Appendix C: NOAH Rainfall Data Precipitation Frequency Data Server Page 1 of 3 NOAA Atlas 14, Volume 8, Version 2 Location name: Hudson, Colorado, USA* Latitude: 40.036°, Longitude: -104.5941° Elevation: 5005.65 ft** *source: ESRI Maps " source: USGS POINT PRECIPITATION FREQUENCY ESTIMATES 1 e p Sanja Perica, Deborah Martin, Sandra Pa.vlovic, Ishani Roy, Michael St. Laurent, Cad Trypaluk, Dale Unruh, Michael Yekta, Geoffery Bonnin NOAA, National Weather Service, Silver Spring, Maryland PF tabular I PF graphical I Maps & aerials PF tabular PDS-based point precipitation frequency estimates with 90% confidence intervals (in inches)1 Duration 5 -min Average recurrence interval (years) r 1 0.238 (0.189-0.301) 10 -min r 0.348 (0.276-0.441) 115 -min r 30 -min 0.424 0.337-0.538) 0.573 (0.455-0.726) 60 -min 0.703 (0.558-0.890) 2 -hr 0.832 (0.665-1.04) 3 -hr 0.905 (0.727-1.13) 6 -hr 12 -hr 24 -fir 2 -day 3 -day 4 -day 7 -day 10 -day 20 -day 30 -day 45 -day 60 -day 1.07 (0.866-1.32) 1.30 (1.06-1.59) 1.53 (1.26-1.86) 1.74 (1.45-2.10) 1.90 (1.59-2.28) 2.03 (1.70-2.42) 2.33 (1.96-2.75) 2.58 (2.18-3.03) 3.31 (2.82-3.85) 3.89 (3.33-4.50) 4.59 (3.95-5.28) 5.16 (4.46-5.92) 2 0.290 (0.230-0.367 0.424 (0.336-0.538) 0.517 (0.410-0.656 0.694 0.550-0.880 0.845 (0,670-1.07), 0.996 (0.796-1.25) 1.08 (0.865-1.35) 1.26 (1.02-1.56) 1.51 (1.23-1.85) 1.81 (1.49-2.20) 2.11 (1.75-2.54) 2.27 (1.89-2.72) 2.40 (2.01-2.86) 2.72 (2.29-3.21) 3.00 (2.53-3.53) 3.79 (3.23-4.42) 4.44 (3.81-5.15) 5.25 (4.52-6.05) 5.92 (5.12-6.80) 5 0.387 (0.306-0.492 0.567 (0.448-0.721 0.692 (0.546-0.879 0.924 (0.730-1.17) 1.12 (0.886-1.43) 1.32 (1.05-1.66) 1.42 (1.14-1.78) 1.63 (1.31-2.02) 1.92 (1.56-2.36) 2.30 (1.89-2.81) 2.72 (2.25-3.28) 2.90 (2.41-3.48) 3.02 (2.52-3.61) 3.37 (2.82-3.99) 3.68 (3.10-4.34) 4.58 (3.89-5.35) 5.33 (4.55-6.20) 6.30 (5.40-7.27) 7.13 (6.14-8.20) 10 0.480 (0.377-0.613 0.703 (0.552-0.898 0.858 (0.673-1.10) 1.14 (0.898-1.46) 1.39 (1.09-1.78) 1.64 (1.30-2.07) 1.76 (1.40-2.21) 2.00 (1.60-2.49) 2.32 (1.88-2.87) 2.75 (2.24-3.37) 3.24 (2.66-3.93) 3.43 (2.83-4.13) 3.55 (2.95-4.26) 3.92 (3.27-4.66) 4.26 (3.57-5.04) 5.23 (4.42-6.13) 6.06 (5.15-7.07) 7.14 (6.10-8.28) 8.08 (6.93-9.33) 25 0.626 (0.483-0.848) 0.917 (0.707-1.24) 1.12 (0.862-1.51) 1.49 (1.15-2.02) 1.82 (1.41-2.48) 2.15 (1.68-2.90) 2.31 (1.81-3.10) 2.60 (2.06-3.46) 2.95 (2.35-3.86) 3.43 (2.73-4.39) 3.98 (3.17-4.99) 4.18 (3.35-5.20) 4.31 (3.46-5.34) 4.70 (3.80-5.76) 5.06 (4.11-6.17) 6.12 (5.00-7.35) 7.04 (5.77-8.39) 8.26 (6.80-9.77) 9.34 (7.71-11.0) 50 0.752 (0.562-1.02) 1.10 (0.823-1.50) 1.34 (1.00-1.83) 1.80 (1.34-2.45) 2.20 (1.65-3.01) 2.60 (1.97-3.53) 2.80 (2.13-3.78) 3.14 (2.40-4.18) 3.51 (2.71-4.61) 4.00 (3.10-5.16) 4.57 (3.56-5.80) 4.78 (3.73-6.02) 4.91 (3.85-6.16) 5.31 (4.19-6.59) 5.69 (4.51-7.02) 6.80 (5.44-8.27) 7.78 (6.25-9.39) 9.09 (7.33-10.9) 10.3 (8.30-12.2) 100 0.891 (0.642-1.24) 1.30 (0.940-1.82) 1.59 (1.15-2.22) 2.13 (1.54-2.97) 2.62 (1.89-3.66) 3.11 (2.27-4.31) 3.35 (2.45-4.61) 3.73 (2.76-5.09) 4.12 (3.07-5.54) 4.61 (3:45-6.08) 5.18 (3.89-6.71) 5.39 (4.07-6:94) 5.53 (4.19-7.09) 5.94 (4.54-7.53) 6.32 (4.85-7.97) 7.47 (5.78-9.29) 8.50 (6.61-10.5) 9.89 (7.73-12.1) 11.1 (8.73-13.6) 200 1.04 (0.720-1.49) 1.53 (1.05-2.18) 1.86 (1.29-2.66) 2.50 (1.73-3.57) 3.09 (2.13-4.42) 3.68 (2.56-5.21) 3.96 (2.78-5.59) 4.40 (3.12-6.14) 4.80 (3.43-6.60) 5.27 (3.78-7.12) 5.81 (4.19-7.71) 6.02 (4.37-7.95) 6.17 (4.49-8.10) 6.58 (4.83-8.56) 6.98 (5.14-9.01) 8.15 (6.06-10.4) 9.23 (6.89-11.7) 10.7 (8.02-13:4) 12.0 (9.03-14.9) 500 1.26 (0.837-1.85) 1.85 (1.23-2.71) 2.26 (1.50-3.31) 3.04 (2.01-4.45) 3.77 (2.50-5.53) 4.51 (3.02-6.54) 4.87 (3.28-7.02) 5.39 (3.66-7.69) 5.79 (3.97-8.15) 6.20 (4.28-8.59) 6.66 (4.62-9.07) 6.88 (4.81-9.31) 7.04 (4.94-9.49) 7.46 (5.27-9.95) 7.85 (5.57-10.4) 9.05 (6.48-11.8) 10.2 (7.32-13.2) 11.7 (8.45-15.0) 13.0 (9.47-16.6) 1000 1.45 (0.926-2.12) 2.12 (1.36-3.11) 2.59 (1.65-3.79) 3.48 (2.23-5.11) 4.34 (2.78-6.37) 5.20 (3.36-7.54) 5.62 (3.65-8.10) 6.21 (4.07-8.86) 6.61 (4.38-9.33) 6.96 (4.66-9.71) 7.33 (4.95-10.1) 7.55 (5.14-10.3) 7.73 (5.28-10.5) 8.14 (5.61-11,0) 8.52 (5.90-11.4) 9.72 (6.80-12.9) 10.8 (7.63-14.3) 12.4 (8.77-162) 13.8 (9.81-17.9) 1 Precipitation frequency (PF) estimates in this table are based on frequency analysis of partial duration series (PDS). Numbers in parenthesis are PF estimates at lower and upper bounds of the 90% confidence interval. The probability that precipitation frequency estimates (for a given duration and average recurrence interval) will be greater than the upper bound (or less than the lower bound) is 5%. Estimates at upper bounds are not checked against probable maximum precipitation (PMP) estimates and may be higher than currently valid PMP values. Please refer to NOAA Atlas 14 document for more information. Back to Top C-2 https://hdsc.nws.noaa.gov/hdsc/pfds/pfds _ printpage.htrl'?lat=40.0360&lon=-104.5941d'&data= iepth&units=english&series=psis 1/17/2018 Precipitation Frequency Data Server Page 2 of 3 PF graphical PDS-based depth -duration -frequency (DDF) curves I ntit� in+ic,- ,+10 0�.af* 1 .nnnituiania- _7 (1,1 ca4 7 •. !nit:tunic,- uL •Ls 1:•.J iJ 11 { •.,LJI I Jd4YYL'. av • a a 1 i Precipitation depth (in) Precipitation depth iin) 14 1 12 ti 10 L 6 2 c an • c 1 g Average rerurrerice interval (years) NOAA Atlas 114. Volume 8, Version 2 I• .c Lis 1 ■ 4 .C R=1 Duration 1 • mit ["V • • • I I of • #7, //A 1 i 1 I I mom E4 i79 ra rp RI -to rZir (4 4, ruh 0 7' 4� r m 'Et 1.O I 10 25 50 100 200 500 1000 Created (GMT): Wed Ian 17 17:43:41 2018 Back to Top Maps & aerials Small scale terrain -s, kUdson 3km 1 I 2mi Mtn creek al a as osoaaoloa S Averages recurrence irulervMM (years) 1 2 5 10 25 50 100 200 500 j 1003 Duiatn ii �-rr9�rw 11S -man GO —win 2 hr - 34t 6-rrr — 12 -hr 24 -hr 2 -day ay Say --d ay 10 -clay 20 -day - 3ciaciay - 45 -clay 6O-aay C-3 https://hdsc.nws.noaa.gov/hdsc/pfds/pfds _ printpage.httnl'?tat=40.0360&ion=-104.5941d'&data= iepth&units=english&series=Pis 1/17/2018 Precipitation Frequency Data Server Page 3 of Large scale terrain Large scale map ♦a^a I I U Will 'la I If FCT CI . r tiR lit_'1!R: Ch en n ei� Fort Collins 1 • ......y._S .-A. t.9:11% ip Long mote _,_a E. Quid a • e scale aerial per rI .1 r £sprPn gs Back to Top US Department of Commerce National Oceanic and Atmospheric Administration National Weather Service National Water Center 1325 East West Highway Silver Spring, MD 20910 Questions?: HDSC.Questions(cr7noaa _qov Disclaimer C-4 baps://hdsc.nws.noaa.gov/hdsclpfds/pfds printpage.htrl'?iat=40.0360&lean=-104.5941&data—depth&units=english&series=pds 1/17/2018 Appendix D: Area Weighted Imperviousness Values AREA WEIGHTED IMPERVIOUSNESS VALUES CURETON TIGER COMPRESSOR STATION CR 49 AND CR 6 - WELD COUNTY, CO HISTORIC CONDITIONS Surface Basin 1 Characteristic A, acre I, % Al Undeveloped 2.35 2 4.69561 Atotali acre 0 weighted, �v 2.35 2.0 DEVELOPED CONDITIONS TRIBUTARY TO DETENTION POND Surface Characteristic Basin 1A A, acre I, % Al Roofs Equipment Pads Gravel Roads Gravel Surface/Roadbase Pond Surface 0.0041 90 0.37 0.18 80 14.79 0.47 80 37.94 1.38 40 55.05 0.31 100 30.84 Atotal, acre 0 weighted, o 2.35 59.20 Table FCC -3— Recoummnerrde+d Percentage Imperviousness Values Land Use or ..mace Characteristics Percentage ripen; ousnss 3 asiness: 'Corrrnercial areas 95 Neighborhood areas Bc Resident a: y e -family Mult-uni: ii;detached I de Mult -unit !attached:II 'mg half -acre lot or larger , :y r1n-en s ac Industria : Lgrrtareas ac -leafy' areas I 9e ark �'. ce 1 1etenes G'.I P;ay;rourds 10 Schools 53 Railroad yard areas 1.d5.; Undeveloped Area: Historic; flow analysis 2 '2recnbefts. agri`ultura .2 a; -site flow anal s :when land .se net clef neei 45 Creels: Paved 1DD ..1r ;yel',pa6&ed) 40 Drive and wa-is 90 Roofs 90 Lawns. sanc,y soil D Lawns. clayey soil D ' See Figures RO-3 through RD -5 for percentage 'ripen. o�sness.. Appendix E: Hydrologic Calculations CALCULATION OF A PEAK RUNOFF USING RATIONAL METHOD Project Title: Catchment ID: Cureton Tiger Compressor Station (17218) Basin EX -1 : Existing Major Basin (10-yr) I. Catchment Hydrologic Data Catchment ID = Area = Percent Imperviousness = NRCS Soil Type = EX -1 66.49 2.00 B II. Rainfall Information Design Storm Return Period, Tr = 01= C2= C3= P1= Acres A, B, C, or D I (inch/hr) = Cl * P1 /(C2 + Td)"C3 10 28.50 10.00 0.786 1.39 years (input return period for design storm) (input the value of 01) (input the value of 02) (input the value of 03) inches (input one -hr precipitation —see Sheet "Design Info") III. Analysis of Flow Time (Time of Concentration) for a Catchment Runoff Coefficient, C = Overide Runoff Coefficient, C = 5-yr. Runoff Coefficient, C-5 = Overide 5-yr. Runoff Coefficient, C = 0.17 0.08 (enter an overide C value if desired, or leave blank to accept calculated C.) (enter an overide C-5 value if desired, or leave blank to accept calculated C-5.) Illustration LEGEND O Beginning Flow Direction Catchment Boundary N RCS Land Type Conveyance Heavy Meadow 2.5 Tillage/ Field 5 Short Pasture/ Lawns 7 Nearly Bare Ground 10 Grassed Swalesf Waterways 15 Paved Areas & Shallow Paved Swales (Sheet Flow) 20 Calculations: Reach ID Overland Slope S ft/ft input Length L ft input 5-yr N RCS Runoff Convey- Coeff ance C-5 output input Flow Velocity V fps output Flow Time Tf minutes output 0.0150 500 0.08 N/A 0.23 35.97 1 0.0150 2,881 5.00 2 3 4 Sum 3,381 IV. Peak Runoff Prediction Rainfall Intensity at Computed Tc, I =- Rainfall Intensity at Regional Tc, I = Rainfall Intensity at User -Defined Tc, I = 0.89 inchlhr 2.23 inch/hr 2.23 inchlhr 0.61 Computed Tc = Regional Tc = User -Entered Tc = Peak Flowrate, Qp = Peak Flowrate, Qp = Peak Flowrate, Qp = 78.41 114.38 28.78 28.78 9.84 cfs 24.58 cfs 24.58 cfs Basin EX -1 - 10-yr Pre-Developed.xls, Tc and Peak() E-2 5/22/2018, 8:13 PM CALCULATION OF A PEAK RUNOFF USING RATIONAL METHOD Project Title: Catchment ID: Cureton Tiger Compressor Station (17218) Basin E-1 : Existing Major Basin (100-yr) I. Catchment Hydrologic Data Catchment ID = Area = Percent Imperviousness = NRCS Soil Type = EX -1 66.49 2.00 B II. Rainfall Information Design Storm Return Period, Tr = 01= C2= C3= P1= Acres vro A, B, C, or D I (inch/hr) = Cl * P1 /(C2 + Td)"C3 100 28.50 10.00 0.786 2.62 years (input return period for design storm) (input the value of 01) (input the value of 02) (input the value of 03) inches (input one -hr precipitation —see Sheet "Design Info") III. Analysis of Flow Time (Time of Concentration) for a Catchment Runoff Coefficient, C = Overide Runoff Coefficient, C = 5-yr. Runoff Coefficient, C-5 = Overide 5-yr. Runoff Coefficient, C = 0.36 0.08 (enter an overide C value if desired, or leave blank to accept calculated C.) (enter an overide C-5 value if desired, or leave blank to accept calculated C-5.) Illustration LEGEND O Beginning Flow Direction Cateh ent Boundary N RCS Land Type Conveyance Heavy Meadow 2.5 Tillage/ Field 5 Short Pasture/ Lawns 7 Nearly Bare Ground 10 Grassed Swalesf Waterways 15 Paved Areas & Shallow Paved Swales (Sheet Flow) 20 Calculations: Reach ID Overland Slope S ft/ft input Length L ft input 5-yr N RCS Runoff Convey- Coeff ance C-5 output input Flow Velocity V fps output Flow Time Tf minutes output 0.0150 500 0.08 N/A 0.23 35.97 1 0.0150 2,881 5.00 0.61 2 3 4 Sum 3,381 IV. Peak Runoff Prediction Rainfall Intensity at Computed Tc, I =- Rainfall Intensity at Regional Tc, I = Rainfall Intensity at User -Defined Tc, I = 1.69 4.21 4.21 inchlhr inchlhr inchlhr 78.41 Computed Tc = Regional Tc = User -Entered Tc = Peak Flowrate, Qp = Peak Flowrate, Qp = Peak Flowrate, Qp = 114.38 28.78 28.78 40.59 101.45 101.45 cfs cfs cfs Basin EX -1 - 100-yr Pre-Developed.xls, Tc and PeakQ E-3 5/22/2018, 8:13 PM CALCULATION OF A PEAK RUNOFF USING RATIONAL METHOD Project Title: Catchment ID: Cureton Tiger Compressor Station (17218) Basin (H) PR -1 : Historic Basin Tributary to Pond (10-yr) I. Catchment Hydrologic Data Catchment ID = Area = Percent Imperviousness = NRCS Soil Type = (H) PR -1 2.35 2.00 B Acres A, B, C, or D II. Rainfall Information I (inch/hr) = Cl * P1 /(C2 + Td)"C3 Design Storm Return Period, Tr = O1= C2= C3= P1= 10 28.50 10.00 0.786 1.39 years (input return period for design storm) (input the value of O1) (input the value of O2) (input the value of O3) inches (input one -hr precipitation —see Sheet "Design Info") III. Analysis of Flow Time (Time of Concentration) for a Catchment Runoff Coefficient, C = Overide Runoff Coefficient, C = 5-yr. Runoff Coefficient, C-5 = Overide 5-yr. Runoff Coefficient, C = 0.17 0.08 (enter an overide C value if desired, or leave blank to accept calculated C.) (enter an overide C-5 value if desired, or leave blank to accept calculated C-5.) Illustration LEGEND O Beginning Flow Direction Catc}urtent Boundary N RCS Land Type Conveyance Heavy Meadow 2.5 Tillage/ Field 5 Short Pasture/ Lawns 7 Nearly Bare Ground 10 Grassed Swalesf Waterways 15 Paved Areas & Shallow Paved Swales (Sheet Flow) 20 Calculations: Reach Slope Length 5-yr N RCS Flow ID S L Runoff Convey- Velocity Coeff ance V ft/ft ft C-5 fps input input output input output Flow Time Tf minutes output Overland 0.0070 425 0.08 N/A 0.17 42.64 1 2 3 4 Sum 425 IV. Peak Runoff Prediction Rainfall Intensity at Computed Tc, I =- Rainfall Intensity at Regional Tc, I = Rainfall Intensity at User -Defined Tc, I = 1.76 inch/hr 3.44 inch/hr 3.44 inch/hr Computed Tc = Regional Tc = User -Entered Tc = Peak Flowrate, Qp = Peak Flowrate, Qp = Peak Flowrate, Qp = 42.64 12.36 12.36 0.68 cfs 1.34 cfs 1.34 cfs Basin (H) PR -1 - 10-yr Historic.xls, Tc and PeakQ 7/5/2018, 3:30 PM E-4 CALCULATION OF A PEAK RUNOFF USING RATIONAL METHOD Project Title: Catchment ID: Cureton Tiger Compressor Station (17218) Basin PR -1 : Proposed Basin Tributary to Pond (10-yr) I. Catchment Hydrologic Data Catchment ID = Area = Percent Imperviousness = NRCS Soil Type = PR -1 2.35 59.20 C II. Rainfall Information Design Storm Return Period, Tr = 01= C2= C3= P1= Acres A, B, C, or D I (inch/hr) = Cl * P1 /(C2 + Td)"C3 10 28.50 10.00 0.786 1.39 years (input return period for design storm) (input the value of Cl) (input the value of 02) (input the value of 03) inches (input one -hr precipitation —see Sheet "Design Info") III. Analysis of Flow Time (Time of Concentration) for a Catchment Runoff Coefficient, C = Overide Runoff Coefficient, C = 5-yr. Runoff Coefficient, C-5 = Overide 5-yr. Runoff Coefficient, C = 0.50 0.45 (enter an overide C value if desired, or leave blank to accept calculated C.) (enter an overide C-5 value if desired, or leave blank to accept calculated C-5.) Illustration LEGEND O Beginning Flow Direction Catc}urtent Boundary N RCS Land Type Conveyance Heavy Meadow 2.5 Tillage/ Field 5 Short Pasture/ Lawns 7 Nearly Bare Ground 10 Grassed Swalesf Waterways 15 Paved Areas & Shallow Paved Swales (Sheet Flow) 20 Calculations: Reach ID Overland Slope S ft/ft input Length L ft input 5-yr N RCS Runoff Convey- Coeff ance C-5 output input Flow Velocity V fps output Flow Time Tf minutes output 0.0100 305 0.45 N/A 1 0.0040 120 20.00 2 3 4 Sum IV. Peak Runoff Prediction Rainfall Intensity at Computed Tc, I =- Rainfall Intensity at Regional Tc, I = Rainfall Intensity at User -Defined Tc, I = 2.60 425 inch/hr 3.44 inch/hr 3.44 inch/hr 0.25 1.26 Computed Tc = Regional Tc = User -Entered Tc = Peak Flowrate, Qp = Peak Flowrate, Qp = Peak Flowrate, Qp = 20.45 1.58 22.03 12.36 12.36 3.08 cfs 4.08 cfs 4.08 cfs Basin PR -1 - 10-yr Developed.xls, Tc and PeakQ E-5 7/5/2018, 4:01 PM CALCULATION OF A PEAK RUNOFF USING RATIONAL METHOD Project Title: Catchment ID: Cureton Tiger Compressor Station (17218) Basin PR -1 : Proposed Basin Tributary to Pond (100-yr) I. Catchment Hydrologic Data Catchment ID = Area = Percent Imperviousness = NRCS Soil Type = PR -1 2.35 59.20 C II. Rainfall Information Design Storm Return Period, Tr = 01= C2= C3= P1= Acres A, B, C, or D I (inch/hr) = Cl * P1 /(C2 + Td)"C3 100 28.50 10.00 0.786 2.62 years (input return period for design storm) (input the value of Cl) (input the value of 02) (input the value of 03) inches (input one -hr precipitation —see Sheet "Design Info") III. Analysis of Flow Time (Time of Concentration) for a Catchment Runoff Coefficient, C = Overide Runoff Coefficient, C = 5-yr. Runoff Coefficient, C-5 = Overide 5-yr. Runoff Coefficient, C = 0.63 0.45 (enter an overide C value if desired, or leave blank to accept calculated C.) (enter an overide C-5 value if desired, or leave blank to accept calculated C-5.) Illustration LEGEND O Beginning Flow Direction Catc}urtent Boundary N RCS Land Type Conveyance Heavy Meadow 2.5 Tillage/ Field 5 Short Pasture/ Lawns 7 Nearly Bare Ground 10 Grassed Swalesf Waterways 15 Paved Areas & Shallow Paved Swales (Sheet Flow) 20 Calculations: Reach ID Overland Slope S ft/ft input Length L ft input 5-yr N RCS Runoff Convey- Coeff ance C-5 output input Flow Velocity V fps output Flow Time Tf minutes output 0.0100 305 0.45 N/A 0.25 20.45 1 0.0040 120 20.00 2 3 4 Sum 425 IV. Peak Runoff Prediction Rainfall Intensity at Computed Tc, I =- Rainfall Intensity at Regional Tc, I = Rainfall Intensity at User -Defined Tc, I = 4.90 6.49 6.49 inch/hr inch/hr inch/hr 1.26 1.58 Computed Tc = Regional Tc = User -Entered Tc = Peak Flowrate, Qp = Peak Flowrate, Qp = Peak Flowrate, Qp = 22.03 12.36 12.36 7.25 9.61 9.61 cfs cfs cfs Basin PR -1 - 100-yr Developed.xls, Tc and PeakQ E-6 7/5/2018, 4:00 PM CALCULATION OF A PEAK RUNOFF USING RATIONAL METHOD Project Title: Catchment ID: Cureton Tiger Compressor Station (17218) Basin PR -2 : Undeveloped Area Tributary to Culvert 1 (10-yr) I. Catchment Hydrologic Data Catchment ID = Area = Percent Imperviousness = NRCS Soil Type = PR -2 13.64 2.00 C II. Rainfall Information Design Storm Return Period, Tr = 01= C2= C3= P1= Acres A, B, C, or D I (inch/hr) = Cl * P1 /(C2 + Td)"C3 10 28.50 10.00 0.786 1.39 years (input return period for design storm) (input the value of Cl) (input the value of 02) (input the value of 03) inches (input one -hr precipitation —see Sheet "Design Info") III. Analysis of Flow Time (Time of Concentration) for a Catchment Runoff Coefficient, C = Overide Runoff Coefficient, C = 5-yr. Runoff Coefficient, C-5 = Overide 5-yr. Runoff Coefficient, C = 0.26 0.16 (enter an overide C value if desired, or leave blank to accept calculated C.) (enter an overide C-5 value if desired, or leave blank to accept calculated C-5.) Illustration LEGEND O Beginning Flow Direction Catc}urtent Boundary N RCS Land Type Conveyance Heavy Meadow 2.5 Tillage/ Field 5 Short Pasture/ Lawns 7 Nearly Bare Ground 10 Grassed Swalesf Waterways 15 Paved Areas & Shallow Paved Swales (Sheet Flow) 20 Calculations: Reach Slope ID S ft/ft input Overland 0.0150 Length L ft input 5-yr Runoff Coeff C-5 output 500 0.16 1 0.0150 1,165 2 3 4 5 Sum 1,665 IV. Peak Runoff Prediction Rainfall Intensity at Computed Tc, I =- Rainfall Intensity at Regional Tc, I = Rainfall Intensity at User -Defined Tc, I = 1.33 2.79 2.79 inch/hr inch/hr inch/hr N RCS Convey- ance input N/A 5.00 Flow Velocity V fps output 0.25 Flow Time Tf minutes output 33.09 0.61 Computed Tc = Regional Tc = User -Entered Tc = Peak Flowrate, Qp = Peak Flowrate, Qp = Peak Flowrate, Qp = 31.71 64.79 19.25 19.25 4.76 cfs 9.95 cfs 9.95 cfs Basin PR -2 - 10-yr Developed. xls, Tc and PeakQ E-7 5/22/2018, 8:15 PM CALCULATION OF A PEAK RUNOFF USING RATIONAL METHOD Project Title: Catchment ID: Cureton Tiger Compressor Station (17218) Basin PR -2 : Undeveloped Area Tributary to Culvert 1 (100-yr) I. Catchment Hydrologic Data Catchment ID = Area = Percent Imperviousness = NRCS Soil Type = PR -2 13.64 2.00 C II. Rainfall Information Design Storm Return Period, Tr = 01= C2= C3= P1= Acres A, B, C, or D I (inch/hr) = Cl * P1 /(C2 + Td)"C3 100 28.50 10.00 0.786 2.39 years (input return period for design storm) (input the value of Cl) (input the value of 02) (input the value of 03) inches (input one -hr precipitation —see Sheet "Design Info") III. Analysis of Flow Time (Time of Concentration) for a Catchment Runoff Coefficient, C = Overide Runoff Coefficient, C = 5-yr. Runoff Coefficient, C-5 = Overide 5-yr. Runoff Coefficient, C = 0.51 0.16 (enter an overide C value if desired, or leave blank to accept calculated C.) (enter an overide C-5 value if desired, or leave blank to accept calculated C-5.) Illustration LEGEND O Beginning Flow Direction Cateh ent Boundary N RCS Land Type Conveyance Heavy Meadow 2.5 Tillage/ Field 5 Short Pasture/ Lawns 7 Nearly Bare Ground 10 Grassed Swalesf Waterways 15 Paved Areas & Shallow Paved Swales (Sheet Flow) 20 Calculations: Reach Slope ID S ft/ft input Overland 0.0150 Length L ft input 5-yr Runoff Coeff C-5 output 500 0.16 N RCS Convey- ance input N/A Flow Velocity V fps output 0.25 Flow Time Tf minutes output 33.09 1 0.0150 1,165 2 3 4 5 Sum 1,665 IV. Peak Runoff Prediction Rainfall Intensity at Computed Tc, I = Rainfall Intensity at Regional Tc, I = Rainfall Intensity at User -Defined Tc, I = 2.29 4.80 4.80 inch/hr inch/hr inchlhr 5.00 0.61 31.71 Computed Tc = Regional Tc = User -Entered Tc = Peak Flowrate, Qp = Peak Flowrate, Qp = Peak Flowrate, Qp = 64.79 19.25 19.25 15.87 33.19 33.19 cfs cfs cfs Basin PR -2 - 100-yr Developed.xls, Tc and PeakQ E-8 5/22/2018, 8:15 PM Appendix F: Detention Basin Volume by the Modified FAA Method DESIGN POND VOLUMES 'ater Quality Capture Volume A WQCV = 172[0.9 11 1.19/2 + 0.781] where: I = Percent Impervious {%1100) A = basin area. (acres) = 2.35 ac 59.20% WQCV = 1z� [0.91(0.592) — 1.19(0.592)2 +0.78(0.592)] = 0.0457 ac - ft WQCV = 1, 992 cf 10-yr Runoff Volume From FAA Worksheet — V10 3, 031 cf 100-yr Runoff Volume From FAA Worksheet — V100 11, 797 cf DETENTION VOLUME BY THE MODIFIED FAA, METHOD Project: Cureton Tiger Compressor Station Basin ID: Storm Water Detention Pond - Developed Basin PR -I (For catchments less than 160 acres only. For larger catchments, use hydrograph routing method) (NOTE: for catchments larger than 90 acres,CUHP hydrograph and routing are recommended) Determination of MINOR Detention Volume Using Modified FAA Method Determination of MAJOR Detention Volume Using Modified FAA Method Design Information (Input): la = A = Type = T = Tc = q = P, = C1 = C2= O3 = percent acres A. B, C, or D years (2, 5, 10, 25, 50, or 100) minutes cfslacre irches Design Information (Input): la = A = Type = T = Tc = q = P1 = C1= O2 = C3 = 5920 percent acres A, B, C, or D years (2, 5, 10, 25, 50, or 100) minutes cfstacre inches Catchment Drainage Imperviousness Catchment Drainage Area Predevelopment MRCS Soil Group Return Period for Detention Control Time of Cementation of Watershed Allowable Unit Release Rate One -hour Precipitation Design Rainfall10F Formula I = C1x P1I(C2+TtjACs Coefficient One Coefficient Two Coefficient Three 59.20 Catchment Drainage Imperviousness Catchment Drainage Area Predevelopment NRCS Soil Group Return Period for Detention Control Time of Concentration of Watershed Allowable Unit Release Rate One -hour Precipitation Design Rainfall IDF Formula I = C1R P1!(C2+Te)"Cv Coefficient One Coefficient Two Coefficient Three 2.350 2.350 C C 10 100 12 12 0.57 0.57 1.39 2.62 28.50 28.50 10 10 0,789 0.789 Determination of Average Outflow from the Basin (Calculated): cfs cfs cubic feet acre -ft 5 -Minutes) Determination of Average Outflow from the Basin (Calculated): cfs cfs cubic feet acre -ft Runoff Coefficient InflowPeak Runoff Allowable Peak C = Qp-in = Outflow Rate Qp-out = Mad. FAA Minor Storage Volume = Mod. FAA Minor Storage Volume = c- Enter Rainfall Duraton Incremental Increase Value 0.50 Runoff Coefficient C = Inflow Peak Runoff Op -in = PJlow-Age Peak Outflow Rate Qp-out = Mod. FAA Major Storage Volume = Mod. FAA Major Storage Volume = 0.63 4.06 9.65 1.34 1.34 3,031 11,797 D.070 0.271 5 Here (e.g. 5 for Rainfall Duration minutes (input) Rainfall Intensity inches ! hr (output) Inflow Volume acre-feet (output) Adjustment Factor urn" (output) Average Outflow cfs (output) Outflow Volume acre-feet ;output) Storage Volume acre-feet ;output) Rainfall Duration minutes {input) Rainfall Intensity irches (hr (output) Inflow Volume acre-feet (output) Adjustment Factor "m" (output) Averse Outflow cfs (output) Outflow Volume acre-feet (output) Storage Volume acre-feet (ouput) 0 0.00 0.000 0.00 0.00 0.000 0.000 0 0.00 0.000 0.00 0.00 0.000 0.000 5 4.68 0.038 1.0D 1.34 0.009 0.029 5 8.81 0.090 1.00 1.34 0.009 0.081 10 3.73 0.060 1.00 1.34 0.018 0.042 10 7.02 0.143 1.00 1.34 0.018 0.125 15 3.13 0.076 0.90 1.21 0.025 0.051 15 5.89 0.180 0.90 1.21 0.025 0.155 20 2.71 0.088 0.80 1.07 0.030 0.058 20 5.10 0208 0.80 1.07 0.030 0.179 25 240 0.097 0.74 D.99 0.034 0.063 25 4.52 0230 0.74 0.99 0.034 0.196 30 2.16 0.105 0.70 0.94 0.039 0.066 30 4.07 0249 0.70 0.94 0.039 0.210 35 1.97 0.111 0.67 D.90 0.043 0.068 35 3.70 0264 0,67 0.90 0.043 0.221 40 1.81 0.117 0.65 0.87 0.048 0.069 4D 3.41 0278 0.65 0.87 0.048 0.230 45 1.68 0.122 0.63 0.85 0.063 0.070 45 3.16 0.290 0.63 0.85 0.053 0238 50 1.57 0.127 0.62 4.83 0.057 0.070 50 2.95 0.301 0.62 0.83 0.057 0.244 55 1.47 0.131 0.61 0.82 0.062 0.069 55 2.77 0.311 0.61 0.82 0.062 0.249 60 1.39 0.135 0.80 0.80 0.066 0.065 80 2.81 0.320 0.60 0.80 0.066 0.253 65 1.31 0.138 0.59 0.79 0.071 0.067 65 2.48 0.328 D.59 0.79 0.071 0.257 70 1.25 0.141 0.59 0.78 0.076 0.066 70 2.35 D.336 0.59 0.78 0.076 0.260 75 1.19 0.144 0.58 0.78 0.080 0.064 75 2.24 0343 0.58 0.78 0.080 0.263 80 1.14 0.147 0.58 0.77 0.085 0.062 80 2.14 0.350 D.58 0.77 0.085 0.265 85 1.09 0.150 0.57 0.76 0.090 0.060 85 2.05 D.356 0.57 0.76 0.090 0.267 90 105 0.152 0.57 0.76 0.094 0.058 90 1.97 0362 0,57 0.78 0.094 0.268 95 1.01 0.155 0.56 0.75 0.099 0.056 95 1.90 0.368 0.56 0.75 0.099 0.269 100 0.97 0.157 0.56 0.75 0.103 0.054 100 1.83 0.373 0.56 0.75 D.103 0.270 105 0.94 0.159 056 0.75 0.108 0.051 105 1.77 0.378 0..56 0.75 0.108 0.270 110 0.91 0.161 0.55 0.74 0.113 0.049 110 1.71 D.383 D.55 0.74 0.113 0.271 115 0,88 0.163 0.55 0.74 0.117 0.046 115 1.65 0.388 0.55 0.74 0.117 0.271 120 0.85 0.185 0.55 0.74 0.122 0.043 120 1.60 0.393 0.55 0.74 0.122 0,271 125 D.83 0.167 0.55 0.73 0.126 0.041 125 1.56 0.397 0.55 0.73 0.126 0.270 130 0,80 0.169 0.55 0.73 0.131 0.038 130 1.51 0.401 0.55 0.73 0.131 0.270 135 0.78 0.171 0.54 0.73 0.136 0.035 135 1.47 0.405 0.54 0.73 0136 0.270 140 0.76 0.172 0.54 0.73 0.140 0.032 140 1.43 0.409 0.54 0.73 0.140 0.269 145 0.74 0.174 0.54 0.73 0.145 0.029 145 1.40 0.413 0.54 0.73 0.145 0.268 150 0.72 0.175 D_54 0.72 0.150 0.026 150 1.38 0.417 0.54 0.72 0.150 0.267 155 0.71 0.177 0.54 0.72 0.154 0.023 155 1.33 0.420 D.54 0.72 0:154 0.266 160 0.69 0.178 0.54 0.72 0.159 0.020 160 1.30 0.424 0.54 0.72 0.159 0.265 185 0.67 0.180 0.54 0,72 0.163 0.016 165 1.27 0.427 0.54 0.72 0.163 0.264 170 0.66 0.181 0.54 9.72 0.168 0.013 170 1.24 0.430 0.54 0.72 0.168 0.282 175 0.64 0.182 0.53 0.72 0.173 0.010 175 1.21 0.433 0.53 0.72 0173 0.261 180 0.63 0.154 0.53 0,71 0.177 0.007 180 1.19 0.436 0.53 0.71 0.177 0.259 185 0;62 0.185 0.53 0.71 0.182 0.003 185 1.16 0.439 0.53 0.71 0.182 0.258 190 0;61 0.186 0.53 0.71 0.186 D.000 190 1.14 0.442 0.53 0.71 0.186 0.256 195 0.59 0.188 0.53 0.71 0.191 -0.004 195 1.12 0.445 0.53 0.71 0.191. 0.254 200 0.58 0.189 D.53 0.71 0.196 -0.007 200 1.10 0.448 0.53 0.71 0.196 0.253 205 0.57 0.190 0.53 0.71 0.200 -0,010 205 1.08 0.451 0.53 011 0.200 0.251 210 0.56 0.191 0,53 0.71 0.205 -0.014 210 1.06 0.454 0,53 0.71 0.205 0.249 215 0.55 0.192 0.53 0.71 0209 -0.017 215 1.04 0.456 0.53 0.71 0.209 0.247 220 0.54 0193 0.53 0.71 0214 _ -0.021 220 1.02 0.459 0.53 0.71 0.214 0.245 225 0.53 0.194 0.53 0.71 0.219 -0.024 225 1.01 0.461 0.53 0.71 0.219 0243 230 0.52 0.195 0.53 0.70 0223 -0.028 230 0.99 0.464 0.53 0.70 0.223 0.241 235 0.52 0.196 0.53 0.70 0228 -0.032 235 0.97 0.466 0.53 0.70 0.228 0,238 240 0.51 0197 0.53 0.70 0233 -0.035 240 0.96 0.469 0.53 010 0.233 0,236 245 0.50 0198 0.52 0.70 0237 -0.039 245 0.94 0.471 0.52 0.70 0.237 0.234 250 0.49 0199 0.52 0.70 0242 -0.042 250 0.93 0.473 0.52 0.70 0.242 0,232 255 0.49 0200 0.52 0.70 0.246 -0.048 255 0.91 0.476 0.52 0.70 0.246 0.229 26D 0,48 0201 0.52 0.70 0.251 -0.050 280 0.90 0.478 0.52 0.70 D.251 0.227 285 0,47 0202 0.52 0.70 0256 -0.054 285 0.89 0.480 0.52 0.70 0,256 0.224 270 0.46 0203 0.52 0.70 0260 -0.057 270 0.68 D.482 0.52 0.70 0.260 0.222 275 0.46 0204 0.52 0.70 0265 -0.061 275 0.86 0.484 0.52 0/0 0.265 0.219 280 0,45 0.205 0.52 0.70 0269 -0.065 280 0.85 0.486 0.52 0.70 0.269 0.217 285 0.45 0206 0.52 0.70 0274 -0.068 285 0.84 0.488 0.52 0/0 0.274 0.214 290 0.44 0206 0,52 0.70 0279 -0.072 290 0.83 0.490 0.52 0.70 0.279 0.212 295 0.43 0207 0.52 0.70 0283 -0.076 295 0.82 0.492 0.52 010 0,283 0.209 300 0.43 0208 0.52 0.70 0.288 -0.080 300 0.01 0.494 0.52 010 0.288 0.206 Mod. FAA Minor Storage Volume (cubic ft) = 3,031 Mod. FAA Major Storage Volume (cubic ft.) = Mod. FAA Minor Storage Volume (acre -ft.) = 0.0696 Mod. FAA Major Storage Volume (acre -ft) _ UDFCD DETENTION BASIN VOLUME ESTIMATING WORKBOOK Version 2.35. Released January 2015 11,797 0.2708 Cureton Tiger CS - UD-Detention_v2.35 (FAA).xis. Modified FAA F-3 3:54 PM DETENTION VOLUME BY THE MODIFIED FAA, METHOD Project: +Breton Tiger Compressor Station Basin IDStorm Water Detention Pond - Developed Basin PR -I Inflow and Outflow Volumes vs. Rainfall Duration C 47 C C 0.6 0.5 0.4 0.3 0.2 0.1 0 t f • • _ " r fr_ C CJ J V .1 J r 'i ,.. { i -� 50 100 150 200 Duration (Minutes) 250 300 .sMinor Storm Inflow Volume Minor Storm Outflow Volume 0 Minor Storm Storage Volume a Major Storm Inflow Volume a Major Storm Outflow Volume t Major Storm Storage Volume 350 1 UDFCD DETENTION BASIN VOLUME ESTIMATING WORKBOOK Version 2.35. Released January 2015 Oureton Tiger CS - LID-Detention_v2.35 (FAA).xis. Modified FAA F-4 7/522018.3:54 PM Appendix G: Detention Basin Stage -Storage Cureton Tiger Stage -Storage Interval (ft) Elevation _ (ft) Area (ft)(ft3) Volume Description 0.00 5006.25 0.00 0.00 0.50 5006.75 2882.62 314.44 1.00 5007.25 7493.37 1654.52 1.09 5007.34 8087.35 2006.76 WQCV1 1.33 50O7.58 9239.12 3055.60 10-yr Elevation2 1.50 50O7.75 9776.76 3863.64 2.00 5008.25 10708.30 8983.49 2.26 5008.51 11206.73 11832.23 100-yr Elevation3 2.35 5008.60 11381.57 12848.69 Spillway 2.85 5009.10 123 74.58 18786.21 3.35 5009.60 13404.10 25229.34 Freeboard Notes: 1. Required design WQCV = 1,992 cf 2. Required deisgn 10 -year Storage Volume = 3,031cf 3. Required design 100 -year Storage Volume =11,797 cf Discovery Mustang Stage Storage 5010.00 5009.50 5009.00 5008.50 5008.00 5007.50 5007.00 5006.50 5006.00 5000 10000 15000 20000 25000 30000 Appendix H: Detention Basin Outlet Structure Design WATER QUALITY CAPTURE ORIFICE Size orifice to drain WCLCV in 40 hours: WQCV = 1,992 ft3 t = 40 hours x (3600 sec / hour) = 144,000 seconds Design Flowrate for WaCV Orifice: Clwoacv = (1,992 ft ) / (144,000 seconds) = 0.0138 cfs Qwcv = 0.0138 cfs Worksheet for WQCV Circular Orifice Project Description Solve For Diameter Input Data Discharge Headwater Elevation Centroid Elevation Tailwater Elevation Discharge Coefficient 0.0138 ft3ls 5007.34 ft 5006.30 ft 5006.00 ft 0.67 Results Diameter Headwater Height Above Centroid Tailwater Height Above Centroid Flow Area Velocity 0.6794 in 1.04 ft -0.30 ft 0.00 ft2 5.48 ft/s USE 11/16" (0.6875") ORIFICE Bentley Systems, Inc. Haestad Methods So iitte EbwMaster Val (SELECTseries 1) [08.11.01.03] 71912018 1:07:PM 27 lemons Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666 Page 1 of 1 RESTRICTOR PLATE SIZING FOR CIRCULAR VERTICAL ORIFICES Project: Cureton Tiger Compressor Station Basin ID: 100-yr Restrictor Plate pia. To -61 X o 0 ,,.- r--, a a o 0 / \ o a Sizing the Restrictor Plate for Circular Vertical Orifices or Pipes (Input) Water Surface Elevation at Design Depth Pipe/Vertical Orifice Entrance Invert Elevation Required Peak Flow through Orifice at Design Depth PipefVertical Orifice Diameter (inches) Orifice Coefficient Full flow Capacity (Calculated) Full -flow area Half Central Angle in Radians Full -flow capacity Calculation of Orifice Flow Condition Half Central Angle (0<Theta<3.1416) Flow area Top width of Orifice (inches) Height from Invert of Orifice to Bottom of Plate (feet) Elevation of Bottom of Plate Resultant Peak Flow Th rough Orifice at Design Depth Width of Equivalent Rectangular Vertical Orifice Elev: WS = Elev: Invert = = Dia = Co = Af = Theta = of = Percent of Design Flow = Theta = Ao= To = YO ElevPlate Bottom Edge = Qo = Equivalent Width = #1 Vertical Orifice #2 Vertical Orifice 5.008.51 5.006.25 1.34 12.0 0.67 0.79 3.14 5.6 418% 1.09 0.17 10.66 0.27 5,006.52 1.3 0.63 feet feet cfs inches sq ft rad cfs red sgft inches feet feet cfs feet Cureton Tiger CS - UD-Detention_v2.35 (FAA).xls, Restrictor Plate H-4 7/912018, 12:38 PM Worksheet for Emergency Overflow Weir Project Description Solve For Input Data Discharge Crest Elevation Tailwater Elevation Weir Coefficient Crest Length Results Headwater Elevation Headwater Height Above Crest Tailwater Height Above Crest Equal Side Slopes Flow Area Velocity Wetted Perimeter Top Width Headwater Elevation 9.6100 ft31s 5008.60 ft 5007.00 ft 3.37 us 10.00 ft 5009.03 ft 0.43 ft -1.60 ft 0.25 ftlft (H:V) 4.38 ft2 2.19 ftls 10.89 ft 10.22 ft Bentley Systems, Inc. Haestad Methods SoBeritle9C6wMaster V8i (SELECTseries 1) [08.11.01.03] 7/6/2018 3:18:01 PM 27 lemons Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666 Page 1 of 1 Worksheet for Oultet Pipe Velocity Project Description Friction Method Solve For Manning Formula Normal Depth Input Data Roughness Coefficient Channel Slope Diameter Discharge 0.013 0.00150 ft/ft 12.0000 in 1.3400 ft3/s Results Normal Depth Flow Area Wetted Perimeter Hydraulic Radius Top Width Critical Depth Percent Full Critical Slope Velocity Velocity Head Specific Energy Froude Number Maximum Discharge Discharge Full Slope Full Flow Type SubCritical 0.79 0.67 2.20 0.30 0.81 0.49 79.5 0.00609 2.00 0.06 0.86 0.39 1.48 1.38 0.00141 ft ft2 ft ft ft ft ft/ft ft/s ft ft ft3/s ft3/s ft/ft GVF Input Data Downstream Depth Length Number Of Steps 0.00 ft 0.00 ft 0 GVF Output Data Upstream Depth Profile Description Profile Headloss Average End Depth Over Rise Normal Depth Over Rise Downstream Velocity 0.00 ft 0.00 ft 0.00 aya 79.50 °,lo Infinity ft/s Bentley Systems, Inc. Haestad Methods SoB4htteigai®v'Master V8i (SELECTseries 1) [08.11.01.03] 7/6/2018 3:17:03 PM 27 Siemons Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666 Page 1 of 2 Worksheet for Oultet Pipe Velocity GVF Output Data Upstream Velocity Normal Depth Critical Depth Channel Slope Critical Slope Infinity ftls 0.79 ft 0.49 ft 0.00150 ft/ft 0.00609 ft/ft Bentley Systems, Inc. Haestad Methods SoBeritle9C6wMaster V8i (SELECTseries 1) [08.11.01.03] 71612018 3:17:03 PM 27 Siemons Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-1666 Page 2 of 2 Appendix I: Culvert Design Culvert Report Hydraflow Express Extension for Autodesk® AutoCAD® Civil 3D® by Autodesk, Inc. Culvert 7 - 7O -year Invert Elev Dn (ft) Pipe Length (ft) Slope (%) Invert Elev Up (ft) Rise (in) Shape Span (in) No. Barrels n -Value Culvert Type Culvert Entrance Coeff. K,M,c,Y,k Embankment Top Elevation (ft) Top Width (It) Crest Width (ft) Kit IP COS KO 5008.87 40.00 0.40 5009.03 18.0 Circular 18.0 1 0.012 Circular Corrugate Metal Pipe Mitered to slope (C) 0.021, 1.58, 0.0485, 0.75, 0.7 5011.89 20.00 50.00 Liter, I.'arse Calculations Qmin (cfs) Qmax (cfs) Tailwater Elev (ft) Highlighted Qtotal (cfs) Qpipe (cfs) Qovertop (cfs) Veloc Dn (ftls) Veloc Up (fits) HGL Dn (ft) HGL Up (ft) Hw Elev (ft) Hw/D (ft) Flow Regime 44 Tuesday, Jul 10 2018 9.95 33.19 0.00 9.95 9.95 0.00 6.49 5.63 5010.09 5010.56 5011.63 1.73 Inlet Control ID ID 9� Culvert Report Hydraflow Express Extension for Autodesk® AutoCAD® Civil 3D® by Autodesk, Inc. Culvert 7 - 700 -year Invert Elev Dn (ft) Pipe Length (ft) Slope (%) Invert Elev Up (ft) Rise (in) Shape Span (in) No. Barrels n -Value Culvert Type Culvert Entrance Coeff. K,M,c,Y,k Embankment Top Elevation (ft) Top Width (It) Crest Width (ft) it 5008.87 40.00 0.40 5009.03 18.0 Circular 18.0 1 0.012 Circular Corrugate Metal Pipe Mitered to slope (C) 0.021, 1.58, 0.0465, 0.75, 0.7 5011.89 20.00 50.00 Calculations Qmin (cfs) Qmax (cfs) Tailwater Elev (ft) Highlighted Qtotal (cfs) Qpipe (cfs) Qovertop (cfs) Veloc Dn (His) Veloc Up (His) HGL Dn (ft) HGL Up (ft) Hw Elev (ft) Hw/D (ft) Flow Regime Tuesday, Jul 10 2018 9.95 33.19 0.00 33.19 11.63 21.56 7.16 6.58 5010.17 5010.69 5012.16 2.09 Inlet Control 279 511 4= Culvert Report Hydraflow Express Extension for Autodesk® AutoCAD® Civil 3D® by Autodesk, Inc. CULVERT 2 - 10 year storm Invert Elev Dn (ft) Pipe Length (ft) Slope (%) Invert Elev Up (ft) Rise (in) Shape Span (in) No. Barrels n -Value Culvert Type Culvert Entrance Coeff. K,M,c,Y,k Embankment Top Elevation (ft) Top Width (It) Crest Width (ft) 5006.68 35.68 0.25 5006.77 18.0 Circular 18.0 1 0.012 Circular Corrugate Metal Pipe Headwall 0.00 78, 2, 0.0 379, 0.69, 0.5 5009.80 20.00 140.00 Calculations Qmin (cfs) Qmax (cfs) Tailwater Elev (ft) Highlighted Qtotal (cfs) Qpipe (cfs) Qovertop (cfs) Veloc Dn (His) Veloc Up (His) HGL Dn (ft) HGL Up (ft) Hw Elev (ft) Hw/D (ft) Flow Regime Friday, Jul 6 2018 4.08 9.61 0.00 4.08 4.08 0.00 4A5 4A5 5007.45 5007.54 5007.89 0.75 Inlet Control Pehlatift 2-21 I2} Cl o71 1-4 Culvert Report Hydraflow Express Extension for Autodesk® AutoCAD® Civil 3D® by Autodesk, Inc. CULVERT 2 - 100 year storm Invert Elev Dn (ft) Pipe Length (ft) Slope (%) Invert Elev Up (ft) Rise (in) Shape Span (in) No. Barrels n -Value Culvert Type Culvert Entrance Coeff. K,M,c,Y,k Embankment Top Elevation (ft) Top Width (It) Crest Width (ft) f 49!944 tax COIN ®m 9 CasisrOokat 5006.68 35.68 0.25 5006.77 18.0 Circular 18.0 1 0.012 Circular Corrugate Metal Pipe Headwall 0.00 78, 2, 0.0 379, 0.69, 0.5 5009.80 20.00 140.00 ^.II'ti-Lf 1 1) yes %trim Calculations Qmin (cfs) Qmax (cfs) Tailwater Elev (ft) Highlighted Qtotal (cfs) Qpipe (cfs) Qovertop (cfs) Veloc Dn (His) Veloc Up (His) HGL Dn (ft) HGL Up (ft) Hw Elev (ft) Hw/D (ft) Flow Regime Friday, Jul 6 2018 4.08 9.61 0.00 9.60 9.60 0.00 6.36 5A3 5007.88 5008.31 5008.92 1A3 Inlet Control H 9d 5: 92} on Appendix J: Construction Drawings A B C D E F G H 1 2 as Tj r. n ua u -I u U in ▪ 3 C ▪ W Lo m s U n, u Y at; Ea a U n ICS A �I r -.+r o to v m .'r 9 7 u U rd u ml cri ry Ut I-. U ? tl W N L- - L u tit F• - JI ul . • 0 u_ m = 0 o uau 0 a N n w .-~i u N 1257600 0 O reiel n w N u a l- V n w A n till' u m VI -CI y F— a (] N n w n u CI PC ROAD o D v7 n w EXISTING n FENCELINE u a a N. n w n u a 4 00 n rn to u o a 0 n w n u 0 0 ❑ 0 n u 0 a O n u ACCESS ROAD (BY OTHERS) rn b LEASE CORNER ay 3. rr N 1 257 553.01 In E3253388.68E3253562.11 3. N 12.57533.57 E : -514621)1 EL 5010.-1 1 LEASE CORNER N 1 257 554,50 HALF SECTION LINE mIn - ` — X % x — It %. % Y % s % — — - x _ Y X — — X.-- --- \ 1 \ / TOWELD COUNTY ROAD 49- --------- - r� �— (APPROX. 2fi00') _ _ - - "S0]pf CL PT ROAD X17.3 - r _]o¢3— �- ' ` } S 1 k 1 1 EXISTING BUILDING �� ----N 125746.2.39 --� � L ti CL BEGIN PLANT ROAD E C\1 EL I 3253533.21 5011.3a / II N 1257500 N 1257537.71 257 -- CL S'i�li.El i J R PI �� e + �•, k \ E S L O10 41 EL 5414.81 CL PC ROAD- N 1257445.28 E 325353"3.34ll LEASE N 1 257 CORNER 463.76 - - EL 5011.71 , ` � E3253552,42 - INVERT OUT - - - l C ` n 9 \ ti E� A N 1757833.', EL :R1L.(il 24'0' E — — �:� L� + _I N 12574[0 3253554.54 f.4:L`ICRTE --- Cl504$• \EL 5808.67 ti•'. 1/ ) 40LF OF Ur HOPE S = LIANA.. t III ■d EL 5�2.35� / \ CL PRC RD SD f �S0I} - �- l V ti J I INVERT IN t — g • ayly �N FJ 1t573S6,1i5 \ I N 1 2031;14.15 E 3253514.44 EL 50{ly.(:# EL 5012.36 ` j \ 5ls '^...� E 32535;33.31 Fl �41�.y0 EL 1\ I \ 5011.40 , iL PC RDA[ ■ IJ '~ 5{}69 Z V \ N \�� '� N k by----- --' Y N 1257300 I N 1257334,29 E X25353 #.=T EL 5012,45' F )J/&)6 .-�E3253617ITC C:L PC: R{JAD �N 1_57369.15 ` \� :INLET LAUNCHERS RECEIVERS PIPELINE EL5UL_','JL] - f f h N L CL 5ft12 _I, EL •, 5012.30 'sr‘. \ \ \ \ EL 5l1?.�34 \ k %L PC ROAD N 125?2Bfi.77 Dyr � 6l EEL 5012.20 $ ti'y \+ ni {a J1 \ \l� k E 31'53152.57 EL 5012,80 EL 5812,70 ) fray# .O4 fl {S D� ha �� l f h C:L N 1257359.15 E 3253569.95 LZ ,,012.50 \ / PT ROAD J sr pq Dq, 'rq •ir+j 4 $,F 'p$ 2 ` \ \\\ \ \\ \ \ \ \` \ \\ \ \ , r y ---S0O6-- SLU$� w' c? r, !L:3P201.51\0:11„.4.m..1.013_61:- \ N 707 £0h' LEASE CORNER 4'' N 1 257 213.11 f^ \ E 3 253 815.84L-------..--•••••-)....2.--------- \\'' +� ''. re II l y �_�500°00'40'E ffPLA r -- � � . f { IF�fX -- --- ,-------------- ' 1� 148.55'1,e N 1257200 EL 5012.54 ROAD C2 N 1737115,35 �r�� •^ CL PT RC7,4D N 1257351,87 /f F • l\ Ass \lc t \ \ .O- 3 E 3253435.{+0 EL 5012.40 �C' r �? C i1 •SS S. EL 5812,80 ti7 r 'QOo i EL 5012.75 (ROTATER 4.A 4.05, 315°0(1110")2566 N 1 257 425, 60 E 3 253 403, 55 EL 5012.75 �' T1 0 _ J{ q� 'R n I � " � -t-P EL EL FL \ 5414..50 5810.30 BEGIN SCALE \ N 1257140 �•" N 1257'157.01 f OUTLET PIPELINE 0 ° L EL n li 541?.TL CL PC ROAD N l25?197,79 E 3' 538.35.Q(3 Fl 50I?.31 i EL5O12:1'I *u' � �4S' let / 1 . + n �' bib I rCu'' I -ID 3 3'nLF OF 1B" HDPE eW_7.?-q0 E 32537+5.06" EL 3049,90 S Qis r f ' w e+ a PC N 1,571.49.94 25875?� E3125375115 EIL5003 _.5 :[)ACS 41974 � I LAUNCHER/ 15 RECEIVER ( �0 1 f 7 f ! DETENTION POND fu •4 INLET -01 r CL 001 I .$5 CL PT ROAD N 253152,57 E 32531 E2, 57 EL 5011.95 o L4 `fi = �\ \ \ \ J \ $ 4>. 'rq I q$ (SEE NOTE N 121-0113.10 E ?2536'85.51 RIM EL 5009.4-0 S.:MP EL 5;}116.77 71 l .S a Zj- J i4. / N. t 1 y F LL" c S `n _ 0q. Q T 7 N 1257000 EL 501^,U r ei FL BEGIN $ti1'ALE N 1257053.3Fi E3i5164U.43 EL 5449.86 ti a e oo O i ty DQ % - ! r 4 . _ , ' '�(SEE TGRS-CE-642 FOR ENLARGED PLAN AND DETAILS) CURVE TABLE CURVE # RADIUS LENGTH f � ..... Ci .1 II '° 78.28 'E i C2 60.00 45.00° 45,92 r ti - CL �C1 L.34 S el C3 60.00 90.00° 84.85 ei r -7 C4 60.00 45.00° 45.92 EL 5DLE.5v _ X19 5 008 5llL`7 LEASE CORNER I N 1 256 992,68 CS 60.04 45.04° 45,92 'U'l:3 ;_z^ :.L PC ROAD h•1 1257 d5.1r, r fn 54}.08 E 3 253 815.53 J C6 60.00 90.00° 84.85 LEASE CORNER E 3253552.x5 CL PT ROAD 5407 INVERT N 1 256 991.27 ~� E 3 253 390.54 _ _ r N 1257045.29 EL SU1O.+4N E 32516,47.50 £•64 B HI !•0^u 3.20 + — — 1257087.87 ' E'3153720.7d ry EL 5006.6$ jjj C7 60.00 90.00° 84,85 c, 1.0 C8 70.00 90.52 ° 99.44 LEGEND 5005 EXISTING MAJOR CONTOUR 5002 — EXISTING MINOR CONTOUR 5005 5002 PROPOSED MAJOR CONTOUR PROPOSED MINOR CONTOUR CLEARING LIMITS LEASE BOUNDARY ABBREVIATIONS PC pt. I. PRC PI PT ROW BTM CL FL E EL NP LP MP N GB EOP EDGE OF PAVEMENT/GRAVEL POINT OF CURVATURE POINT OF COMPOUND CURVATURE POINT OF REVERSE CURVATURE POINT OF INTERSECTION POINT OF TANGENCY RIGHT-OF-WAY BOTTOM CENTERLINE FLOWLINE FASTING ELEVATION HIGH POINT LOW POINT MID POINT NORTHING GRADE BREAK I 1 NORTH U' 20' 40' NOTES 1. THE TIGER COMPRESSOR STATION PROPOSED SITE IS LOCATED IN LOT C RE3078 BEING PART OF THE NE 1/4 OF THE SW 1/4 OF SECTION 19, TOWNSHIP 1 NORTH, RANGE 64 WEST, 5TH PRINCIPAL MERIDIAN, WELD COUNTY, STATE OF COLORADO. 2. THE SITE SURVEY FOR THIS PROJECT WAS PREPARED BY LW SURVEY CO. AND WAS RECEIVED ON 01/04/2018, HORIZONTAL DATUM: BASED ON COLORADO STATE PLANE COORDINATES, NORTH ZONE, NORTH AMERICAN HORIZONTAL DATUM, 1983 (US SURVEY FEET), VERTICAL DATUM: NORTH AMERICAN VERTICAL DATUM 1988. 3. THE SITE CONSISTS OF GRASS AND WEEDS OR BARREN GROUND. PRIOR TO BEGINNING EARTHWORK OPERATIONS, CLEAR SITE OF ALL ORGANIC AND/OR UNSUITABLE MATERIALS. SCARIFY, MOISTURE TREAT AND COMPACT THE SUBGRADE PRIOR TO PLACING FILL OR SURFACE MATERIALS. 4. ALL CUT AND FILL SLOPES ARE 3H:1V UNLESS NOTED OTHERWISE ON THE DRAWINGS. 5. GRADING ELEVATIONS SHOWN ARE TO TOP OF FINISHED SURFACING, FOR ROUGH GRADE ELEVATIONS SUBTRACT 8' FROM ROAD AREAS AND 4' FROM ALL OTHER ELEVATIONS SHOWN. 6, A GEOTECHNICAL INVESTIGATION REPORT WAS PREPARED FOR THIS SITE BY TERRACON CONSULTANTS, INC, DATED 06/13/2018. ALL SOILS SHALL BE COMPACTED TO A MINIMUM OF 95% OF THE STANDARD PROCTOR DENSITY (SPD) AT f 3% OF THE OPTIMUM MOISTURE CONTENT ASTM D-698. REFER TO THE ABOVE REFERENCED GEOTECHNICAL INVESTIGATION PROJECT NO, 21185044 FOR ADDITIONAL INFORMATION AND SITE SPECIFIC REQUIREMENTS. 7. DROP INLET (INLET -01) SHALL BE A COLORADO DEPARTMENT OF TRANSPORTATION (CDOT) TYPE C INLET WITH CLOSE MESH GRATE PER STANDARD PLAN M-604-10 OR APPROVED EQUAL, 8, THE CONTRACTOR WILL BE RESPONSIBLE FOR LOCATING AND PROTECTING ALL UNDERGROUND UTILITIES. THE CONTRACTOR IS TO ENSURE THAT 811 AND OWNER'S SITE PERSONNEL ARE CONTACTED PRIOR TO COMMENCING CONSTRUCTION ACTIVITIES. CAUTION SHOULD BE TAKEN DURING ALL EXCAVATION OF SOIL AND FOUNDATIONS WITHIN THE LIMITS OF DISTURBANCE. CONTACT ENGINEER IF THERE ARE CONFLICTS. 9, THE MAJORITY OF THE SITE GRAVEL WILL BE INSTALLED AFTER EQUIPMENT IS SET AND FINAL GRADING IS COMPLETE. THE CONTRACTOR IS TO COORDINATE WITH OWNER FOR ALL GRAVEL INSTALLATION TIMING. 10. THE CONTRACTOR IS TO SUBMIT A GRADATION SAMPLE TO OWNER PRIOR TO PLACING GRAVEL MATERIAL. OWNER'S PERSONNEL WILL DETERMINE SIZE OF GRAVEL TO BE USED. PLACE CRUSHED GRANITE FOR THE SITE BENCH AREAS AS DIRECTED BY THE OWNER"S REPRESENTATIVE. 11. INTERIOR ACCESS ROADS SHALL HAVE A MINIMUM OF8' CDOT CLASS 6 ROAD BASE PLACED OVER GEOTEX 250ST WOVEN POLYPROPYLENE GEOTEXTILE FABRIC AS MANUFACTURED BY PROPEX, INC. OR EQUIVALENT. RECYCLED ASPHALT OF SIMILAR GRADATION OF THE SPECIFIED ROAD BASE CAN BE SUBSTITUTED FOR ROAD BASE WITH COUNTY APPROVAL. 12. PERIMETER SILT FENCE IS TO BE INSTALLED PRIOR TO ANY CONSTRUCTION ACTIVITIES, ALL OTHER EROSION CONTROL MEASURES CAN BE INSTALLED AFTER ROUGH GRADING IS COMPLETE. 13. REFERENCE DRAWING TGRS-CE-103 FOR SITE PLAN AND NOTES, TGRS-CE-401 FOR EROSION CONTROL, SURFACING, CLEARING & GRUBBING PLAN AND NOTES, TGRS-CE-602 FOR DETENTION POND DETAILS. 3H 1V I- 10. 10' 8' CDOT CLASS 5 ROAD BASE COMPACTED TO 95% SPD OR RECYCLED ASPHALT GEOTEX 2S0ST {OR EQUAL) HORIZONTAL AND VERTICAL CONTROL LINE (PROFILE GRADE) MOISTURE CONDITIONED AND COMPACTED SUBGRADE 2' DEPTH (TYPICAL) TA\ TYPICAL SECTION - 20' CROWN PLANT ROAD \\._____„/ NTS 10' 8' CDOT CLASS 6 ROAD BASE COMPACTED TO 95% SPD OR RECYCLED ASPHALT GEOTEX 250ST (OR EQUAL) 10' HORIZONTAL AND VERTICAL CONTROL LINE (PROFILE GRADE) MOISTURE CONDITIONED AND COMPACTED SUBGRADE 2' DEPTH (TYPICAL) ADJUST EDGE ELEVATIONS FOR SLOPE TRANSITION AS SHOWN ON PLAN (TYPICAL) 3H -11V ADJUST EDGE ELEVATIONS FOR SLOPE TRANSITION AS SHOWN OM PLAN (TYPICAL) 3H B TYPICAL SECTION - 20' CROSS -SLOPE PLANT ROAD NTS 80' 120' SCALE: 1" = 40' Knew what's below. Cali before you dig, PROJECT NUMBER This document Js ccpyroghted and is an instnneent of service by Samuel Engineering + SE). It was prepared solely for the Owners/Client's use on this project only. Use, copy or disclosure of any information shown, in whole or in part, without SE's consent, is strictly prohibited, is a copyright breach and may be prosecuted. Any unauthorized reuse shall be at the sole r1s, of the user. DWG N0. r F K C F r R T r.: M1 REFERENCE DRAWINGS mt a$ gm u ND. D'5CR-P7-O4 DATE REVISIONS MTC M WN a n w w (1 0 ISSUED FOR CONSTRUCTION 07/12/18 MTC NO. f1 F C' IF I F•T'oil DATE er REVISIONS SCALE: 1' = 40" DATE DES]GEED: M. CLOUD 05/14/201.8 DRAWN: N. CLOUD 05/14/2018 cIECRM M. NOTHAFT 05/22/2018 AIPR'WED: APPROVED: CLnNNT: CURETON MIDSTREAM tocnnorv: WELD COUNTY, CO UIURGIUN MIDSTREAM Samuel Engineering We crreiflir: Salado, s 8480 E. Crescent Parkway Suib 200 PhdnO: 3111.7i 4.494L1 Greenwood L'illa]e. CO 801 I 1 Fart: 203. (14.4800 TITLE TIGER COMPRESSOR STATION 4OMMSCFD COMPRESSOR STATION CIVIL GENERAL GRADING PLAN 17218 DRAWING NUMBER TGRS-CE-601 a C D J-2 E F G H A B C l D E F l G l H U a ua ui Li 17 CC ▪ W 2 m L LJ U 'm i y a o Ea u D- LIo- v ry CFI PE 4 I PE o 'o Y J II DO 1-1 = 0 u U , , I 1.4L. N -+ D l , v is U ? is v m I▪ v a L- L a f L u rnF• tn v . • W LL _ 0 D + to ot- uau 1 2 N 1257200 N 12571.00 CL END BERM N 1257024.08 E 3253635,57 EL 5009.66 N 1257000 -BOTTOM OF POND N 1257023.33 C12516511.71 EL 5007.65 NORTH WQCV ORIFICE PLATE BOLTED TO INSIDE FACE OF STRUCTURE 11/16' WQCV ORIFICE OPENING FILTER SCREEN BOLTED TO OUTSIDE FACE OF STRUCTURE CL BEGIN 2' END FOREBAY BERM N 1257104.33 E 3253731-15 EL 500-.75 BOTTOM OF POND N 17S;081.R1 E 3253720.74 EL 5006-68 M1 CULVERT 2 33.682- 4H I NUPE S = 0,25% \CL END 21 WIDE.. FOREBAII BERM N 1257077.46 E 325370+.26 EL 5007.-5 CL PT 2' WIDE FOREBAY BERM N 1257072,31 E 3253709-43 EL 5007-75 CL PI HERM N 1257007.13 C 32536S2.13 EL 5009.60 20' 441' SCALE: 1" = 20' DETENTION POND ENLARGED PLAN CL PC 2' VJiDt FDREBAY BERM IN 1257072.31 E 3253723.57 EL 5007:75 INVERT TN N 1257051.73 E 325'3-26.98 EL 50(16.6.1 BOTTOM OF POND rJ LDy/011./4 E 3253656.37 EL 5007.61 100-YR WATER SURFACE EL 5008.51 PROPOSED CHAIN -LINK FENCE CL BEGIN BERN I1 1257170.53 E 3253777.25 CL 5049.60 20'L X 3'H X B'D CONCRETE CUTOFF WALL FL TRICKLE CHANNEL N 1257028.61 E 32537£4.60 EL 5006.25 CL PT BERM N 1257012.05 E 3253762.17 EL 55009.60 CL POND OUTLET STRUCTURE N 1257024.nLJ E 3253781.59 RIM EL 5008.40 SUMP H 5004.2b SCALE: I. = 20' REMOVABLE 1/4' THICK STEEL - PLATE BOLTED TO OUTLET FACE OF STRUCTURE TOP OF BOX EL 5008.40 TOP OF BOX EL 5008.40 TOP OF WQCV ORIFICE PLATE EL 5007,34 CL WQCV ORIFICE EL 5006.30 OUTLET PIPE INVERT EL 5006.25 SUMP EL 5004.25 2'-2' OPENING 3. 0 PLATE I-0' rf E FILTER SCREEN & WQCV ORIFICE PLATE 1/2' = 1. BOTTOM OF PLATE EL 5006,52 12' RCP INV OUT EL EL 5006.25 a 4 INVhkI CUI PJJITH FES) -N 1257007.47 E 3253801,14 EL 5006.21 e n n o • SUMP EL 5004.25 o - •A `ct a • U- 4" E 2'-0" PLATE fiF 100-YR FLOW RESTRICTOR PLATE 1/2'=1" BOTTOM OFP014D �, \N 1257152.6(1 j E 3253760.43 - 'EL 5007.5 BOTTOM OF POfID -------- N 1257147.12 E 3253785.87 EL 5007.54 CL PI BERM N 1257151.6+ E 32113 /06.60 EL 5404.60 CL PC 2' WIDE FORE3AY BERM N 1257099, La E 3253736-30 LL ;,001.15 CL PT 2' WIDE FOREB"4Y BERM N 1257085.04 F 3,53736-30 EL 5007.75. FL TRICKLE CI IANNCL N 1257075.36 E 3253733-25 EL 500G.52 LEASE BOUNDARY CL OVERFLOW SPILLWAY N 1257049.69 E 3253796.60 CL 5008.40 10'W X 2' THICK TYPE M RIP RAP RUNDOWN OVER MIRAFI 140N FABRIC CL PC BERM N 1257027.04 E 32.53 816-41 1 EL 5049,60 POND OUTFALL PIPE 2140 LF OF 12" RCP S = 0.15% 5'W X 10'2 X 1.5' THICK TYPE L RIP RAP OVER MIRAFI 140N FABRIC LEASE CORNER N 1 256 992.68 E 3 253 816.53 TOP OF WALL EL 5006.75 s-0' OPENING 5014 5012 5010 5002 500,. 5CM S f1i 1^c _ INLET EL 5006.25 BOTTOM OF MICROPOOL EL 5004.2` 100-YR TOP OF BERM EL 5009.60 OVERFLOW WEIR (WITH GRATE) EL 5008.40 POND 2340 OUTFALL PIPE LF OF 12' RCP 4H 3H S = 0.15% SV 111 PIPE INVERT OUT POND STRUCTURE OUTLET WITH ( WITH EL 5006.21 FES) (SEE MICROPOOL DETAIL 1) , - I- PIPE INVERT IN/ 3 W X 3' T X 8' 0 CONCRETE PIPE ANTI -SEEP COLLARS EL 5006,25 (TOP OF COLLAR 1,-0' ABOVE _ TOP OF PIPE) 1 E 5'4" / 7 714* -0+25 0+00 0+25 0+50 0+75 SECTION - DETENTION POND OUTLET 1' = 20' HORIZONTAL : 1'= 2' VERTICAL 1+00 Cureton Tigeritage-storage InRerval (RM SWa11ar1 IR) Area (RI) Voume .`ti) Description 0.00 5006.25 0.04 0.00 0.50 5006.75 2332.7,2 314.44 1.O D SC97, 25 7443.17 1647.52 1.09 581717.34 6031.1,6 103636 Went' 1,33 51547,3& 9239,12 3055.60 L4 -?r Eleatlont 1.50 5007.75 9776.76 3863.64 2.00 5ODS.25 107,03.30 2933.49 2.26 5006;51 112O4,73 21632.23 100-yr ElravarAan, 2.35 .5406.160 1136157 125.18.69 Spillway 2.85 50019.ID 12374 58 L6786.21 335 5009460 13404.10 2522131 free hca, c: Hots: 1. Requited drtiellWQCV a 1,992 cF t. Required dekil LG-tar&aorage Volume = 3O31rf 3, Roo Ired dg;lgrr LPP'rearSic roil V$W!inir= 11.7970 DETAIL - DETENTION POND STAGE -STORAGE 6' THICK CONCRETE PAN (3,000 PSI) REINFORCE WITH 6X6-W1.4XW1.4 WELDED WIRE MESH SAW CUT 1/4'WIDE X 3/4'DEEP TRANSVERSE JOINT EVERY 20 LF J 4'-0" MICROPOOL INLET WEIR \_ 1/2'=1' FLOW LINE OF tfir TRICKLE CHANNEL 10H 1111 D SECTION - TRICKLE CHANNEL 1/P = 1' WELL SCREEN TRASH RACK ATTACHED BY BOLTING TO STEEL CHANNEL 11/16' DIA WQCV ORIFICE C6X13 STEEL CHANNEL FORMED INTO CONCRETE BOTTOM AND SIDES OF OPENING MICROPOOL INLET WEIR (MATCH TRICKLE CHANNEL) ri BOLT OR LOCK TO SECURE SAFETY GRATE MICROPOOL • 5014 5012 5010 5008 5006 5004 5002 WQCV ORIFICE PLATE BOLTED TO STEEL CHANNEL -PROVIDE CONTINUOUS NEOPRENE GASKET BETWEEN PLATE AND STRUCTURE POND SIDE T/ POND BERM EL 5009,60 SPILLWAY EL 500:6.60 BOTTOM OF POND SPILLWAY CUT OFF WALL EMBEDDED IN POND BERM 5' EACH SIDE OF,SPILLWAY OPENING AND 3' DEEP (20' L X 3' H X 8' THICK) SAFETY GRATE WITH 5" MAX. CLEAR BETWEEN BARS RACK SWIVEL HINGE 100-YR FLOW RESTRICTOR OUTLET STRUCTURE r. .4 a r. 4'-0" 3* -0' POND OUTLET STRUCTURE SECTION 1/2'=1' 5' OUTLET SIDE 6' TOPSOIL OVER RIP RAP SEEDED WITH APPROVED SEED MIX TO STABILIZE COMPACTED BACK FILL 1(r 1W THICK TYPE M RIP RAP EXTEND RIP RAP RUN DOWN TO FENCELINE SECTION - EMERGENCY OVERFLOW SPILLWAY N,T.S. SPILLWAY CUT OFF WALL EMBEDDED IN POND BERM 5' EACH SIDE OF SPILLWAY OPENING AND 3' DEEP (20' L X 3' H X 8' THICK) COMPACTED BACKFILL SECTION - EMERGENCY OVERFLOW SPILLWAY riC-> 12' RCPOUTLET PIPE (PER PLAN) FLOW RESTRICTOR PLATE 2-2' OPENING CAST -IN -PLACE OR. PRE -CAST STRUCTURE COMPLYING WITH ASTM C 478 WORKING POINT FOR NORTHING, EASTING, RIM ELAND SUMP EL WOG/ ORIFICE PLATE C6X13 STEEL CHANNEL FORMED INTO CONCRETE BOTTOM AND SIDES OF OPENING STAINLESS STEEL WELL SCREEN TRASH RACK M[CRDPODL MICROPOOL INLET WEIR 3' 0' 4'-0' -I TOP OF BERM EL 5009.60' CDDETAIL - DETENTION POND OUTLET STRUCTURE PLAN 1/2' = 1' NOTES 1, FOR GRADING PLAN NOTES AND ABBREVIATIONS SEE DRAWING TGRS-CE-601, Knew what's below. Cali before you dig, PROJECT NUMBER This document is cceynghteo and is an instrument of service by Samuel Engineering 'SE). It was prepared solely for the Owner's/Client's use oru Chas project only. Use, copy ordisclosure of any information shown, in whole or in part, without SE's consent, is strictly prohibited, is a copyright breach and may be prosecuted. Arty unauthorized reuse shall be at the sole risY of the user. G'NG NC flFKZF I r'r rlr. REFERENCE DRAWINGS mt u u Na. F.' CR-PT'n DATE REVISIONS MTC M WN w 11 9s 0 ISSUED FOR CONSTRUCTION 07/12/18 MTC NO. flFRC'RIPT'{}N DATE er REVISIONS SALE: 1" = 40' DATE DES]GbED: M. CLOUD 05/14/201.8 DEAwu: M. CLOUD 05/14/2018 CHECKED M. NOTHAFT 05/22/2018 APPROVED: APPROVED: CLIENT: CURETON MIDSTREAM LOCATION: WELD COUNTY, CO CURETON MIDSTR Samuel Engineering We orn'/ide Saiutior s (14801 E. CresconL Parkway Sub 200 Greenwood k'iliuUe. CO 80111 Phdn9: 3[YS.714.4844 I-aK: 303. (14.4800 TITLE TIGER COMPRESSOR STATION 40MMSCFD COMPRESSOR STATION CIVIL GENERAL GRADING AND DRAINAGE DETAILS 17218 DRAWING NUMBER TGRS-CE-602 REV. 0 C I D J-3 I F l G l H A B C D E F G H 1 2 6, Ta 0 ua u -I u a D DI C W L➢ • L J ccam_ 'S U —m i y at: E 0 LIa IV fM 9124 24 ~GO I o � a▪ l L CO 9 C u tJ fV u I r. ti≥L ▪ 1 U ro in a N _ L Jl a L u an- I— :n Rr = • O • 0F uau t \l N1257OOII 0 O In In N n W I I 0 O t -i w N n u 0 ❑ t0 in w N n u n ❑ �1 in N n W 3252000 t] ❑ N N w N M u [] ❑ N w \ u by a O ,n N w N n W I Gl ❑ in In N n W 14 0 O O w N n l 0 ❑ N in of N n y SVe � 0 ❑ [r in in N n W 4 ❑ to M in N n u 0 ❑ 59 M w N n L' I 0 0 If w N n W 0 ❑ N sr w N n } u 0 ❑ C w N n u f + 0 0 7 w N in u ❑ O 9 7 u1 N in u 0 0 3 6'1 tn., :N' -, u 0 0 r1 VI w N { n W E 32554D0 r] 0 In an w N n WQ Ifl r'J N n W 0 O r0 in N n i W 1 E 3256260 }I`r `1 N 1257600 II III : I HSG B \HSGC $ r/ I \\I cy' l l 1. y I 1 1H ----- —— _ _ `a N 12574001 f . 79 SG G C _re -t ' J I L— ++ I I N _5ozo� 'f r ,. 0 ` _- i . 'I h �' 1 f lk HSG 75 A I \ I \ --2 i N 12572001 4 I f [LEASE BOUNDARY I 4 ` I t + r4 DESIGN i POINT EX 1 +! fi HSG 72 A I N 1257000 f'f � y - BASIN EX -1 N 1256800 l� mil : f .. I N125fi6 Fes- D # - -' f .0.-- / r / • f4 fCC f /1 \ in I I \ ! 1. l 1 76f N 1-2.--..E.400 w N 1256200 q / / f - . \ \ t ` r i 25 HSG B HSG A s N 1256000 47 HS�7 j / "� f l \ .#'F toe / \ HSGB 1 o )4 J f I1'w f / 4 r 11 `~,`~ f I' f / / ` \, L \ Jr 16 t f fJ ! ( ir.. Ff ee - �^ 1 // l I N 1255800 ^ N 1255600 1 1 I I Iz J i _ HSGB ! 1 1 .---7s•-•-s."" / r5U00-- I RI h N 12554001 ' �_".� 4 _ _� -_ fr p y +1 1 IL I III 1 (N 12552001 II 1 Ii ��3U // 4 N 1255000) �I II �� ` 79 HSGC t 1 � 1 j_A �I � i � .11 I I _ - ' I� NL- / 1I - WE DLDLCOUNTY ROAD' 6 ;'- ,: -- 7 - - \� r /` j 1 I JJ f y N 1254800'1 I I � fi DRAINAGE BASIN SUMMARY BASIN DESIGN POINT DESCRIPTION CONTRIBUTING AREA (ACRES) HYDROLOGIC SOIL GROUP (HSG) IMPERVIOUS AREA ('S6) BASIN FLOW BASIN FLOW SLOPE (56) 10-YR RUNOFF COEFFICIENT CIO 100-YR RUNOFF COEFFICIENT cion 10-YR PEAK FLOW RATE (CFS) Q10 100-YR PEAK FLOW RATE (CFS) Q100 LENGTH (FT) EX -1 EX -1 EXISTING MAJOR BASIN ENCOMPASSING PROPOSED SITE 66.49 B 2 3381 1.15 0.17 0.36 24.58 101.45 100' 200 NORTH 4'00' SCALE: 1" = 200' GOO NOTES 1, THE TIGER COMPRESSOR STATION PROPOSED SITE IS LOCATED IN LOT C RE3078 BEING PART OF THE NE 1/4 OF THE SW 1/4 OF SECTION 19, TOWNSHIP 1 NORTH, RANGE 64 WEST, 6TH PRINCIPAL MERIDIAN, WELD COUNTY, STATE OF COLORADO. 2. THE SITE SURVEY FOR THIS PROJECT WAS PREPARED BY LW SURVEY CO. AND WAS RECEIVED ON 01104/2018. HORIZONTAL DATUM: BASED ON COLORADO STATE PLANE COORDINATES, NORTH ZONE, NORTH AMERICAN HORIZONTAL DATUM, 1983 (US SURVEY FEET). VERTICAL DATUM: NORTH AMERICAN VERTICAL DATUM 1988, 3. HYDROLOGIC SOIL GROUP DETERMINATION IS FROM USDA NATURAL RESOURCE CONSERVATION SERVICE WEB SOIL SURVEY. 4. CONTOURS SHOWN ARE FROM USGS KEENESBURG QUADRANGLE 7.5 -MINUTE SERIES MAP (2013), LEGEND 5005- -5002 5005 _ 5002 _ Know what's MOW Call before you dig 72 HSG A EXISTING MAJOR CONTOUR EXISTING MINOR CONTOUR PROPOSED MAJOR CONTOUR PROPOSED MINOR CONTOUR DRAINAGE BASIN BOUNDARY DRAINAGE BASIN FLOW PATH DRAINAGE FLOW DIRECTION HYDROLOGIC SOIL GROUP (USGS) NRCS WEB SOIL SURVEY DATA MAP UNIT SYMBOL MAP SOIL NAME HYDRLOGIC SOIL GROUP RATING 14 COLBY LOAM {0% TO 1% SLOPES) B 15 COLBY LOAM [1% TO 3% SLOPES) B 16 COLBY LOAM {3% TO 5% SLOPES) B 25 HAVERSON LOAM (0% TO 1% SLOPES) B 47 OLNEY FINE SANDY LOAM {136 TO 3%) B 72 VONA LOAMY SAND (0% TO 3% SLOPES) A 75 VONA SANDY LOAM (1% TO 3% SLOPES) A 76 VONA SANDY LOAM (1% TO 3% SLOPES) A. 78 WELD LOAM (0% TO 1'46 SLOPES) C 79 WELD LOAM {1%TO 356 SLOPES) C 10 pgiaIk ri' For Information Only Not For Construction Thls document Js ccpyrogh tee and is an instrument of service by Samuel EngJneering SE). It was prepared solely for the Owner's/Client's use on this project only. Use, copy or disclosure of any information shown, in whole or in part, without SE's consent, is strictly prohibited, is a copyright breach and may be prosecuted. Any unauthorized reuse shall be at the sole r,sil of the user. DWG NC r FKZF I I rhdr- REFERENCE DRAWINGS mt a$ gm u ND. D=SCR-PT -f1❑ DATE REVISIONS MTC M WN MTC M WN w n B ISSUED FOR PERMIT -COMMENTS INCORPORATED 07/12/18 MTC A ISSUED FOR PERMIT D5/22/18 MTC NO. f1 FR CR1 Fr Toil DATE er REVISIONS SCALE: 1' = 200' DATE DESIGEED: M. CLOUD 05/14/201.8 DRAWN: M. CLOUD 05(14/2018 CHECKED NI. NOTHAFT 05/22/2018 AWROWEa: APPROVED: CLIENT: CURETON MIDSTREAM tacAnoN: WELD COUNTY, CO CURETUN MIDSTREAM Samuel Engineering 4Ve arriiiik: Salutiors 8450 E. Cr cent Parkway Suib 200 Phone: 303 114.4940 Greenuhuod L'illa]e. CO 601 I t Fax: 303 (14.4840 TITLE TIGER COMPRESSOR STATION 40MMSCFD COMPRESSOR STATION CIVIL PRE -DEVELOPED DRAINAGE BASIN MAP PROJECT NUMBER 17218 DRAWING NUMBER TGRS-CE-610 REY. B C D J-4 E F G H A B C D E F G H 1 2 }}} 0a N -" W7 N I a q -I in N 0a M I 7/1 N N D 03 �-1 Ifl N 3252000 0 N N in N OCa ` N \ Vi 1 o ,O N in N 00 N In N a M V1 N 0 N M ID N 0 [r M in N 4 tD M in N O 90 M in N O © 7 N N 0 N CT N N a C in N D a N N ❑ �I a in rd ❑ 3 VI LT N' O �1 VI NI N E 32554D0 aa a N in N 1[� N` Nll O u0 N N 1 E 3256260 NOTES ry 1257 n w 00 I n u n u n w M u ` \ u n w n w 14 n n 78 1 Uri. n u n u n w in u n u + in u in u -i u { n w n w n w n w 4 1, THE TIGER COMPRESSOR STATION PROPOSED SITE IS LOCATED IN LOT C RE3O7B BEING PART OF THE NE 1/4 OF THE SW 1/4 OF SECTION 19, TOWNSHIP 1 NORTH, RANGE 64 WEST, 6TH H/+ V\ \HSGC rjj r r PRINCIPAL MERIDIAN, WELD COUNTY, STATE OF COLORADO. 2. THE SITE SURVEY FOR THIS PROJECT WAS PREPARED BY LW SURVEY CO. AND WAS RECEIVED ON 01/04/2018. N 1257600 t HORIZONTAL DATUM: BASED ON COLORADO STATE PLANE COORDINATES, NORTH ZONE, NORTH i Y Y c y I Y Y X - - _ AMERICAN HORIZONTAL DATUM, 1983 ( US SURVEY FEET), 4 _ �_ _ - - - r /r - I - v »�.. - - - VERTICAL DATUM: NORTH AMERICAN VERTICAL DATUM 1988, �� r r DESIGN \ POINT 2 �\ I ' N 1257400il 79 HSG C a,, Y ` \_I I L- \ � a k 3. HYDROLOGIC SERVICE WEB SOIL GROUPDETERMINATION IS FROM USDA NATURAL RESOURCE CONSERVATION � �'f L_ l N � \ I \:, \—.......0. 4. CONTOURS SHOWN ARE FROM USGS KEENESBURG QUADRANGLE 7.5 MINUTE SERIES MAP (2013}, ••••......e. BASIN PR - 2›..-- 1 LEASE BOUNDARY ' HSG CC A -5020-,r BASIN � I N 1257200 !� 1 r ,I PR -1 LEGEND -� ,,:, - � J�� 4 5005- EXISTING MAJOR CONTOUR -� �� I _ ` I + DESIGN POINT EX 1 I f I f ��",��rrr�~- � � � �' -•! DESIGN +! f 72 4 ii —5002 EXISTING MINOR CONTOUR N1257004 f f' - ---- .�.+ 1 I Y . I 1 / HSG A I I /f irr r� re f 5005 PROPOSED MAJOR CONTOUR mil �I 1� if F/' ii 'Q �_ f 5002 PROPOSED MINOR CONTOUR N 1256800 ,' I 1 //� /f ..DRAINAGE BASIN BOUNDARY BASIN EX -1 J/ r4 // I ". %` / i i I BASIN FLOW PATH i err•DRAINAGE f N 12566 \ eat rl — O 1 \ \ 1. r `} f DRAINAGE FLOW DIRECTION I •1011 - M7� A HYDROLOGIC SOILGROUP(USGS) N. 1-2E :IAA i w Jf 76 J ��3° / \ I .- `y / / 25 H S G B HSG • ,-.-'04;::" N 1256200 \ (_-- ,,,'.----- NRCS WEB SOIL SURVEY DATA �+ 15 ' 47 •Jf HSG B y 1 o o '/!1�Y + $ f// �y , R-'-.. 1 r f I MAP UNIT SYMBOL MAP SOIL NAME HYDRLOGIC SOIL GROUP RATING N 1256000 HSG B r. G � f / 14 COLBY LOAM {0% TO 1% SLOPES) B 1 J ( /1/ 1 -- 15 COLBY LOAM (1%TO3a10 SLOPES) B 4 1 ___1// I - 16 COLBY LOAM (3% TO 5% SLOPES) B }� 1 1 i` r�/ / J / 25 HAVERSON LOAM (0% TO 1% SLOPES) 5 N 1255800 `, 16 i I r-` J 47 OLNEY FINE SANDY LOAM {1% TO 3%} B / HSG B 1`— F / 72 VONA LOAMY SAND (0% TO 3% SLOPES) A �•,JI 75 VONA SANDY LOAM (1% TO 3% SLOPES) A II /I(/ -5000- 76 VONA SANDY LOAM (1% TO 3% SLOPES) A. N 1255600 r _K 1 Iit 78 46 WELD LOAM (0%TO 1SLOPES) C 1i 79 WELD LOAM [1% TO 356 SLOPES) C C' I \ 1 "+ 1 N I - - N 12554001 /' '"-.___ 1 l - - _ 4 tr it N 125520(1 II,..: �, Y�G3U f \ I 4 N 1255000) II I ( ` �� 79 HSGC ` 1 + 1 iI II \ r 4 y { 1 ) - - --- - -__I_— 1 WE DLDL COUNTY RQAD b ; --- r— - - { - - _ _ N. N 1254800 r ( //_ / 1 I , ( , r f /y \ f, r DRAINAGE BASIN SUMMARY BASIN DESIGN POINT DESCRIPTION CONTRIBUTING AREA (ACRES) HYDROLOGIC SOIL GROUP (HSG} IMPERVIOUS AREA ('S6) BASIN FLOW LENGTH (FT) BASIN FLOW SLOPE (%). 1O-YR RUNOFF COEFFICIENT C76 1OO-YR RUNOFF COEFFICIENT c16, 10-YR PEAK FLOW RATE (CFS) Q1 100-YR PEAK FLOW RATE (CES) !Y0 `<106 PR -1 1 DEVELOPED BASIN TRIBUTARY TO DETENTION POND 2.35 C 59,20 425 1,00 0.50 0.63 4.08 9.61 k H PR -1 1 HISTORIC 10-YR PEAK FLOW FOR BASIN PR -1 2.35 B 2.00 425 D.70 0.17 1.34 PR -2 2 UNDEVELOPED AREA TRIBUTARY TO NEW CULVERT 13.64 C 2,00 1665 1,15 0.26 0.51 9.95 33.19 —+ w ; j Ite. .e -c d p,, J C i 49458 r • NORTH ete e.`''*...--- ` • 1�, Ili SIO4A4tI°U- "p°te811 0 100' 200 400' GOO For Information SCALE: 1" = 200' Know what's �Qr'��'�. Only Callhleforeyoudiit Not For Construction I Jseaeofognted ands an and s an dnstroment of service by Samuel Engineering .:SE). It was prepared solely for the Owner's/Client's use on this project only. Use, copy ordisclosure of any information shown, in whole or in part, without SE's consent, is strictly prohibited, fs a copyright breach and may be prosecuted. Any unauthorizethe sole F.15k reuse snap 6e at the sale risY of the user. saute: 1 = 200' on TITLE PROJECT NUMBER nlFrrt: CURETON MIDSTREAM LOC4TION, WELD COUNTY, CO FelinSI1 QUR[TLN CURE EN )Y LMI•1 DES1GhED: M. CLOUD 05/14/201.8 TIGER COMPRESSOR STATION 4oMMSCFD COMPRESSOR STATION CIVIL DEVELOPED DRAINAGE BASIN MAP 17218 MTC MWN B ISSUED FOR PERMIT -COMMENTS INCORPORATED 07/12/18 MTC DRAWN:. M. CLOUD 05/14/2018 DRAWING NUMBER MTC MWN A ISSUED FOR PERMIT D5/22/18 MTC CHECKED• M. NOTHAFT 05/22/2018 s� tryyE f — Samuel IY..7el Engineering WC arild ti{; Szlutior S 84€ 0 E. Crostent Parkway Suifa Greenwood Village. CO II01 I 200 Phone: 3fs1 714.4840 I Fax: 303. (1 4.4800 RN_ DWG NC r F F. Z F 1 r• r t .' 1. r; � r a' $ M "I g u u ND. 6' S C R - R 7 - f1 4 DATE 9'Y ? 3 �' T r s R : g= "it NO. D F R r R 1 r•T - t1 N DATE EY AFEROWEa: T�G R.S - C E - 6 1 1 B REVISIONS REFERENCE DRAWINGS REVISIONS •''PR0VED: A C G H J -5 Samuel Engineering We Provide Solutions 8450 E. Crescent Parkway, Suite 200 Phone: 303-714-4840 Greenwood Village, Colorado 80111 Fax: 303-714-4800 DETENTION POND MAINTENANCE PLAN CE -100 PREPARED FOR: Cureton Midstream, LLC Tiger Compressor Station The Tiger Compressor Station is located in Lot C, Recorded Exemption RE -3078, being part of the NE % of the SW % of Section 19, Township 1 North, Range 64 West, 6th Principal Meridian, Weld County, Colorado PREPARED BY: SAMUEL ENGINEERING, INC. 8450 EAST CRESCENT PARKWAY, SUITE 200 GREENWOOD VILLAGE, CO 80111 ISSUED FOR USE Project Number 17218 Revision 0 Engineering • Project Controls • Estimating • Construction Management Samuel Engineering We Provide Solutions 8450 E. Crescent Parkway, suite 200 Phone: 303-714-4840 Greenwood Village, Colorado 80111 Fax: 303-714-4800 Originator/Lead Engineer: Project Engineer Approval: Project Manager Approval: Client Approval: RECORD OF REVISIONS Michael Cloud Brandon Primeaux Cole Ones Date: Date: Date: Date: O7/10/18 O7/10/18 O7/10/18 Rev. No. By Revisions Approval Date O M. Cloud Issued for Use MTC O7/12/18 Current Working Revision Rev. 0 Date 07/12/2018 Engineering ♦ Project Controls ♦ Estimating ♦ Construction Management Samuel Engineering We Provide Solutions 8450 E. Crescent Parkway, Suite 200 Phone: 303-714-4840 Greenwood Village, Colorado 80111 Fax: 303-714-4800 Table of Contents 1.0 PURPOSE III R•RIRRwR!Olga R!RnRiR•RRwRiIIMR•RRRR•R!RRgWOWS 2.0 DESCRIPTION OF SITE AND DRAINAGE FACILITIES 2.1 2.2 SITE LOCATION...iiw...nee Of 000•040•0000 .. II Oen On el On On On DU On Dee DR RRRR'RRRRRRR11551515111911 •i 44444 iii I .I iii 4055 44 04 .ii 44444 iii 004 00 0404 iii ... it 1 1 1 L RAIN V/\ E I� I ITIE ...••r....iii...ii •r rr R0 MAINTENANCE REQUIREMENTS TENTS - ea RRRfSIDIMRlRIRRR'aRRRRRRRRIRlRR•RRRlRRRR•Rf•RiRiR •6416 RSRlRR.RRRI.R.R.VOID 3.1 ROUTINE MAINTENANCE •.........i..• rir....i 99 rir... 9 l.l.• i.. 3.1.1 Inspections................... 444 000141104•444000*4*. 4 0 ..... 0.141104•44.00044r00410.4 ....... 00.4.06044r0000 ... 0.0. 1. 441.4.frfrfr. 4400649.x• 2 3.1.2 Sediment and Debris Management .......... 2 3.1.3 Vegetation Management 3 3.2 NO ROUTINE MAINTENANCE./ i••........92•...99 ..... 929 SO 99 ii.../9 {9{9...99 3.2.1 General 3.2.2 Facility Repairs .... 9 I4.114 SO4** 9 9. 4 4 4 4 9 4 4 4 4 9 4. 4 4 9 9 4 4 4 4 9 4 4 4 4 4 9 9 4 4 4 4 4 4 4 4 0 4 0 4 4 4 4 4 4 9 4 ... ..... • 41111111121.224 2 4 ....................................... .. ■ 3 APPENDIX A: APPROVED POND GRADING AND DRAINAGE DETAILS 3-1 APPENDIX B: ROUTINE INSPECTION CHECKLIST 49494.4.4444 449444494.444444was {49494424944Sal 44.4.444.44494.u.....✓ -1 '\afs-dn-01\projects\Projects\17218_Cureton_Tiger_Comp\Engineering\Civil\Reports\Pond Maintenance Plan\Cur'eton Tiger CS Pond Maintenance Plan.docx Samuel Engineering We Pra4S S&1cr&orls Cureton Midstream, ILIC Tiger Compressor Station PROJECT NUMBER: 17218 CE -100, REV. 0 DETENTION POND MAINTENANCE PLAN PAGE 1 of 3 1.0 PURPOSE This Operations and Maintenance Manual describes the requirements and procedures for maintaining the storm water detention basin on the Tiger Compressor Station Site in working order.Continued maintenance and upkeep of the detention pond will ensure that the detention pond continues to provide water quality and quantity control for the duration of the operations phase of the facility. 260 DESCRIPTION OF SITE AND DRAINAGE FACILITIES 2.1 SITE LOCATION The subject property is a 4.25 -acre parcel leased by Cureton Midstream, LLC for the installation of a gas compressor station. The compressor station, access roads and detention pond developed approximately 3.0 acres of the 4.25 -acre site. The subject property is not part of the Weld County Master Drainage Plan. There are no open channels, lakes, streams or irrigation ditches in the proposed development. The subject property is not located in a floodplain. in. The surrounding area development consists of single family residences to the southeast and northwest, and agricultural property to the east and west, See Figure 1 for Site Vicinity Map. Figure I - Tiger Site Vicinity Map le\;SECTION 18 S ECTI O!N 19 I SECTION 7 1 IT01 R64W 6TH PM i -SITE CACLItCr UN 30 K --� SECTION 9 VICINITY MAP ■ 1 SCALE 101— ?000' I ink. 1 '\afs-dn-01\projects\Projects\17218_Cureton_Tier_Comp\Engineering\Civil\Reports\Pond Maintenance PlanWur'eton Tiger CS Pond Maintenance Plan.docx Samuel Engineering We Pra4S S&1cr&orls Cureton Midstream, ILIC Tiger Compressor Station PROJECT NUMBER: 17218 CE -100, REV. 0 DETENTION POND MAINTENANCE PLAN PAGE 2 of 3 2.2 DRAINAGE FACILITIES The developed compressor station pad drains surface storm water to an Extended Detention Basin (EDB) designed following the Urban Drainage and Flood Control District (UDFCD) criteria and Weld County discharge requirements. The EDB design includes the following features: • Forebay • Trickle Channel • Micropool cropool • 3' x Br modified drop inlet with flow control orifice plates • 12" RCP outlet pipe with flared -end -section • Emergency overflow spillway with concrete cutoff wall and armored with buried rip rap Pond embankment berm The design pond volume for storage of the 100-yr 1 -hour storm event is 11,797 ft3. Maintaining this volume is critical to the performance of the pond outlet flow control features and to ensure that the design storm is detained and released at the proper rate. See Appendix A, Page A-2 for the Detention Pond Grading and Drainage Details construction plan. 3.0 MAINTENANCE REQUIREMENTS The structural and functional integrity of the detention basin shall be maintained at all times by removing and preventing drainage interference, obstructions, blockages, or other adverse effects into, through, or out of the system. 3.1 ROUTINE MAINTENANCE 3.1.1 Inspections Routine inspections shall be performed a minimum of 2 times annually and after major rainfall events. The Detention Basin Maintenance Inspection Checklist shall be used to perform the routine inspections for this facility (See Appendix B, Page B-2). The observed conditions and any required repairs should be documented using this form. 3.1.2 Sediment and Debris Management Periodic silt removal shall occur when standing water conditions occur or the pond's storage volume is reduced by more than 10%. Silt shall be removed and the pond/basin returned to original lines and grades shown on the approved engineering plans (See Appendix A, Page A-2). In addition, corrective measures are required any time a basin does not drain completely within 72 hours of cessation of inflow. Accumulated litter, sediment, and debris shall be removed every 6 months or as necessary to maintain proper operation of the basin. Disposal shall be in accordance with federal, state and local regulations. '\afs-dn-01\,projects\Projects\17218_Cureton_Tier_Comp\Engineering\Civil\Reports\Pond Maintenance Plan\Cur'eton Tiger CS Pond Maintenance Plan.docx Samuel Engineering We Pra4S S&1cr&orls Cureton Midstream, ILIC Tiger Compressor Station PROJECT NUMBER: 17218 CE -100, REV. 0 DETENTION POND MAINTENANCE PLAN PAGES of 3.1.3, Vegetation Management Detention facilities shall be mowed monthly between the months of April and October or anytime vegetation exceeds 12 -inches in height. 3.2 NON -ROUTINE MAINTENANCE 3.2.1 General The detention basin shall be kept free of excess trash and debris, poisonous and noxious weeds, contaminants and pollution, rodent holes, standing water harboring insects, and unwanted vegetation growth (i.e. trees). These potential defects shall be repaired or mitigated to the original state within 30 days from the date of observation. 3.2.2 Facility Repairs If upon routine inspection any signs of damage to the outlet structure, forebay, trickle channel, outlet pipe, emergency spillway, or pond embankment are observed, the feature shall be repaired to the original state within 30 days from the date of observation. '\afs-dn-01\projects\Projects\17218_Cureton_Tier_Comp\Engineering\Civil\Reports\Pond Maintenance Plan\Cur'eton Tiger CS Pond Maintenance Plan.docx Samuel Engineering We Pra4S S&1cr&orls Appendix A: Approved Pond Grading and Drainage Details A B C l D E F l G l H U a ua ui Li 17 CC ▪ W 2 m L LJ U 'm i y a o Ea u D- LIo- v ry CFI PE 4 I PE o 'o Y J II DO 1-1 = 0 u U , , I 1.4L. N -+ D l , v is U ? is v m I▪ v a L- L a f L u rnF• tn v . • W LL _ 0 D + to ot- uau 1 2 N 1257200 N 12571.00 CL END BERM N 1257024.08 E 3253635,57 EL 5009.66 N 1257000 -BOTTOM OF POND N 1257023.33 C12516511.71 EL 5007.65 NORTH WQCV ORIFICE PLATE BOLTED TO INSIDE FACE OF STRUCTURE 11/16' WQCV ORIFICE OPENING FILTER SCREEN BOLTED TO OUTSIDE FACE OF STRUCTURE CL BEGIN 2' END FOREBAY BERM N 1257104.33 E 3253731-15 EL 500-.75 BOTTOM OF POND N 17S;081.R1 E 3253720.74 EL 5006-68 M1 CULVERT 2 33.682- 4H I NUPE S = 0,25% \CL END 21 WIDE.. FOREBAII BERM N 1257077.46 E 325370+.26 EL 5007.-5 CL PT 2' WIDE FOREBAY BERM N 1257072,31 E 3253709-43 EL 5007-75 CL PI HERM N 1257007.13 C 32536S2.13 EL 5009.60 20' 441' SCALE: 1" = 20' DETENTION POND ENLARGED PLAN CL PC 2' VJiDt FDREBAY BERM IN 1257072.31 E 3253723.57 EL 5007:75 INVERT TN N 1257051.73 E 325'3-26.98 EL 50(16.6.1 BOTTOM OF POND rJ LDy/011./4 E 3253656.37 EL 5007.61 100-YR WATER SURFACE EL 5008.51 PROPOSED CHAIN -LINK FENCE CL BEGIN BERN I1 1257170.53 E 3253777.25 CL 5049.60 20'L X 3'H X B'D CONCRETE CUTOFF WALL FL TRICKLE CHANNEL N 1257028.61 E 32537£4.60 EL 5006.25 CL PT BERM N 1257012.05 E 3253762.17 EL 55009.60 CL POND OUTLET STRUCTURE N 1257024.nLJ E 3253781.59 RIM EL 5008.40 SUMP H 5004.2b SCALE: I. = 20' REMOVABLE 1/4' THICK STEEL - PLATE BOLTED TO OUTLET FACE OF STRUCTURE TOP OF BOX EL 5008.40 TOP OF BOX EL 5008.40 TOP OF WQCV ORIFICE PLATE EL 5007,34 CL WQCV ORIFICE EL 5006.30 OUTLET PIPE INVERT EL 5006.25 SUMP EL 5004.25 2'-2' OPENING 3. 0 PLATE I-0' rf E FILTER SCREEN & WQCV ORIFICE PLATE 1/2' = 1. BOTTOM OF PLATE EL 5006,52 12' RCP INV OUT EL EL 5006.25 a 4 INVhkI CUI PJJITH FES) -N 1257007.47 E 3253801,14 EL 5006.21 e n n o • SUMP EL 5004.25 o - •A `ct a • U- 4" E 2'-0" PLATE fiF 100-YR FLOW RESTRICTOR PLATE 1/2'=1" BOTTOM OFP014D �, \N 1257152.6(1 j E 3253760.43 - 'EL 5007.5 BOTTOM OF POfID -------- N 1257147.12 E 3253785.87 EL 5007.54 CL PI BERM N 1257151.6+ E 32113 /06.60 EL 5404.60 CL PC 2' WIDE FORE3AY BERM N 1257099, La E 3253736-30 LL ;,001.15 CL PT 2' WIDE FOREB"4Y BERM N 1257085.04 F 3,53736-30 EL 5007.75. FL TRICKLE CI IANNCL N 1257075.36 E 3253733-25 EL 500G.52 LEASE BOUNDARY CL OVERFLOW SPILLWAY N 1257049.69 E 3253796.60 CL 5008.40 10'W X 2' THICK TYPE M RIP RAP RUNDOWN OVER MIRAFI 140N FABRIC CL PC BERM N 1257027.04 E 32.53 816-41 1 EL 5049,60 POND OUTFALL PIPE 2140 LF OF 12" RCP S = 0.15% 5'W X 10'2 X 1.5' THICK TYPE L RIP RAP OVER MIRAFI 140N FABRIC LEASE CORNER N 1 256 992.68 E 3 253 816.53 TOP OF WALL EL 5006.75 s-0' OPENING 5014 5012 5010 5002 500,. 5CM S f1i 1^c _ INLET EL 5006.25 BOTTOM OF MICROPOOL EL 5004.2` 100-YR TOP OF BERM EL 5009.60 OVERFLOW WEIR (WITH GRATE) EL 5008.40 POND 2340 OUTFALL PIPE LF OF 12' RCP 4H 3H S = 0.15% SV 111 PIPE INVERT OUT POND STRUCTURE OUTLET WITH ( WITH EL 5006.21 FES) (SEE MICROPOOL DETAIL 1) , - I- PIPE INVERT IN/ 3 W X 3' T X 8' 0 CONCRETE PIPE ANTI -SEEP COLLARS EL 5006,25 (TOP OF COLLAR 1,-0' ABOVE _ TOP OF PIPE) 1 E 5'4" / 7 714* -0+25 0+00 0+25 0+50 0+75 SECTION - DETENTION POND OUTLET 1' = 20' HORIZONTAL : 1'= 2' VERTICAL 1+00 Cureton Tigeritage-storage InRerval (RM SWa11ar1 IR) Area (RI) Voume .`ti) Description 0.00 5006.25 0.04 0.00 0.50 5006.75 2332.7,2 314.44 1.O D SC97, 25 7443.17 1647.52 1.09 581717.34 6031.1,6 103636 Went' 1,33 51547,3& 9239,12 3055.60 L4 -?r Eleatlont 1.50 5007.75 9776.76 3863.64 2.00 5ODS.25 107,03.30 2933.49 2.26 5006;51 112O4,73 21632.23 100-yr ElravarAan, 2.35 .5406.160 1136157 125.18.69 Spillway 2.85 50019.ID 12374 58 L6786.21 335 5009460 13404.10 2522131 free hca, c: Hots: 1. Requited drtiellWQCV a 1,992 cF t. Required dekil LG-tar&aorage Volume = 3O31rf 3, Roo Ired dg;lgrr LPP'rearSic roil V$W!inir= 11.7970 DETAIL - DETENTION POND STAGE -STORAGE 6' THICK CONCRETE PAN (3,000 PSI) REINFORCE WITH 6X6-W1.4XW1.4 WELDED WIRE MESH SAW CUT 1/4'WIDE X 3/4'DEEP TRANSVERSE JOINT EVERY 20 LF J 4'-0" MICROPOOL INLET WEIR \_ 1/2'=1' FLOW LINE OF tfir TRICKLE CHANNEL 10H 1111 D SECTION - TRICKLE CHANNEL 1/P = 1' WELL SCREEN TRASH RACK ATTACHED BY BOLTING TO STEEL CHANNEL 11/16' DIA WQCV ORIFICE C6X13 STEEL CHANNEL FORMED INTO CONCRETE BOTTOM AND SIDES OF OPENING MICROPOOL INLET WEIR (MATCH TRICKLE CHANNEL) ri BOLT OR LOCK TO SECURE SAFETY GRATE MICROPOOL • 5014 5012 5010 5008 5006 5004 5002 WQCV ORIFICE PLATE BOLTED TO STEEL CHANNEL -PROVIDE CONTINUOUS NEOPRENE GASKET BETWEEN PLATE AND STRUCTURE POND SIDE T/ POND BERM EL 5009,60 SPILLWAY EL 500:6.60 BOTTOM OF POND SPILLWAY CUT OFF WALL EMBEDDED IN POND BERM 5' EACH SIDE OF,SPILLWAY OPENING AND 3' DEEP (20' L X 3' H X 8' THICK) SAFETY GRATE WITH 5" MAX. CLEAR BETWEEN BARS RACK SWIVEL HINGE 100-YR FLOW RESTRICTOR OUTLET STRUCTURE r. .4 a r. 4'-0" 3* -0' POND OUTLET STRUCTURE SECTION 1/2'=1' 5' OUTLET SIDE 6' TOPSOIL OVER RIP RAP SEEDED WITH APPROVED SEED MIX TO STABILIZE COMPACTED BACK FILL 1(r 1W THICK TYPE M RIP RAP EXTEND RIP RAP RUN DOWN TO FENCELINE SECTION - EMERGENCY OVERFLOW SPILLWAY N,T.S. SPILLWAY CUT OFF WALL EMBEDDED IN POND BERM 5' EACH SIDE OF SPILLWAY OPENING AND 3' DEEP (20' L X 3' H X 8' THICK) COMPACTED BACKFILL SECTION - EMERGENCY OVERFLOW SPILLWAY riC-> 12' RCPOUTLET PIPE (PER PLAN) FLOW RESTRICTOR PLATE 2-2' OPENING CAST -IN -PLACE OR. PRE -CAST STRUCTURE COMPLYING WITH ASTM C 478 WORKING POINT FOR NORTHING, EASTING, RIM ELAND SUMP EL WOG/ ORIFICE PLATE C6X13 STEEL CHANNEL FORMED INTO CONCRETE BOTTOM AND SIDES OF OPENING STAINLESS STEEL WELL SCREEN TRASH RACK M[CRDPODL MICROPOOL INLET WEIR 3' 0' 4'-0' -I TOP OF BERM EL 5009.60' CDDETAIL - DETENTION POND OUTLET STRUCTURE PLAN 1/2' = 1' NOTES 1, FOR GRADING PLAN NOTES AND ABBREVIATIONS SEE DRAWING TGRS-CE-601, Knew what's below. Cali before you dig, PROJECT NUMBER This document is cceynghteo and is an instrument of service by Samuel Engineering 'SE). It was prepared solely for the Owner's/Client's use oru Chas project only. Use, copy ordisclosure of any information shown, in whole or in part, without SE's consent, is strictly prohibited, is a copyright breach and may be prosecuted. Arty unauthorized reuse shall be at the sole risY of the user. G'NG NC flFKZF I r'r rlr. REFERENCE DRAWINGS mt u u Na. F.' CR-PT'n DATE REVISIONS MTC M WN w 11 9s 0 ISSUED FOR CONSTRUCTION 07/12/18 MTC NO. flFRC'RIPT'{}N DATE er REVISIONS SALE: 1" = 40' DATE DES]GbED: M. CLOUD 05/14/201.8 DEAwu: M. CLOUD 05/14/2018 CHECKED M. NOTHAFT 05/22/2018 APPROVED: APPROVED: CLIENT: CURETON MIDSTREAM LOCATION: WELD COUNTY, CO CURETON MIDSTR Samuel Engineering We orn'/ide Saiutior s (14801 E. CresconL Parkway Sub 200 Greenwood k'iliuUe. CO 80111 Phdn9: 3[YS.714.4844 I-aK: 303. (14.4800 TITLE TIGER COMPRESSOR STATION 40MMSCFD COMPRESSOR STATION CIVIL GENERAL GRADING AND DRAINAGE DETAILS 17218 DRAWING NUMBER TGRS-CE-602 REV. 0 C I D A-2 E I F l G l H Appendix B: Routine Inspection Checklist Maintaining Detention Ponds Maintenance Inspection Checklist • Pond: Date: Inspected by: Type of Inspection: Routine U Storm Event (# days since event) General Observations: Is water flowing? ❑Yes ❑ No Standing water? ❑ Yes No Depth: Comments:. Any evidence of obstructions or erosion in vicinity of the pond that could affect performance? UYes I !No Pond Conditions: Does the pond sides/slopes/bottom show signs of settling, cracking, sloughing or other problems? ❑ Yes ❑ No Do the embankments, emergency spillway (if applicable), or side slopes show any erosion or instability? ❑Yes No Is there any evidence of animal burrowing or other activity that could contribute to instability or increased erosion? ❑Yes No Is there evidence of encroachment into the pond or improper use of the pond? ❑Yes No Do vegetated areas need mowing? UYes No Are there areas that need to be re -vegetated? UYes No ❑ Mowed today Will schedule mowing Will schedule re -vegetation activities Do vegetated areas need thinning, i.e. cattails, willows, trees? UYes No UThinned today Will schedule thinning Is there accumulation of trash, debris and/or litter to be removed? ❑Yes No ❑ Removed today ❑ Will schedule removal Any signs of vandalism or other activity that could affect performance of the pond? ❑Yes No If permanent pool, any visible pollution? ❑Yes No Erosion at high water mark? ❑Yes No Abnormally high water level? UYes I INo Unusual Algae blooms? UYes No (May indicate obstruction at orifice, or trash rack; verify outlet structure operating properly) (May signal too many nutrients in runoff; identify dog activity and clippings management; will need monitoring) Structural Components: Are the pipes/inlets going into or out of the pond clogged or obstructed? ❑Yes No Is the outfall channel from the pond functioning appropriately? ❑Yes No Is the inflow trickle channel working properly? ❑Yes No Is the orifice and/or trash rack obstructed? I IYes I INo Is the outfall channel, trickle channel or other conveyance in need of repair? UYes No Are the manholes, frames, and covers associated with the outfall channel in appropriate condition? UYes Do any safety features, such as fences, gates or locks need repair or replacement? ❑Yes No Plan of Action: If answered YES to any of the above, the following is an anticipated Maintenance Needs Action List: Total number of concerns: Need more monitoring ( Anticipated schedule to re -visit; identify what will trigger action) (Yes answers) Need routine repair (Approximate schedule for repairs; date of follow-up to re -inspect) Need immediate repair (Take action if correct equipment on site; or contact supervisor) Signature B-2 C-FPL,913 ir's ,,,I . COLORADO ,- - Department of Public "-f8?k f,. Health & Environment CERTIFICATION DISCHARGE TO UNDER CDPS GENERAL PERMIT COR-0300000 STORMWATER ASSOCIATED WITH CONSTRUCTION ACTIVITIES Certification Number: COR035846 Certification to Discharge specifically authorizes: This Cureton Front Range LLC to discharge stormwater from the facility identified as Weld County Midstream pipelines project the waters of the State of Colorado, including, but not limited to: To - South Platte River Facility Activity : Gas transmission pipelines Pipeline and utilities Disturbed Acres: 400 acres Facility Located at: Eastern Weld county uninc nc CO 80 504 Weld County Latitude 40.52392 Longitude -104.20446 Specific Information (if applicable): Certification is issued and effective: 2/21/2018 Expiration Date: This authorization expires upon effective date of the General Permit C O 8030000 renewal unless otherwise notified by the division. *ADMINISTRATIVELY CONTINUED This certification under the permit requires that specific actions be performed at designated times. The certification holder is legally obligated to comply with all terms and conditions of the permit. This certification was approved Margo Griffin Work Group Lead by: Permits Section Water Quality Control Division *explanation of Admin Continued in cover letter CDPHE 4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov/cdphe/wgcd IV John W. HickenlooDer. Governor Larry Wolk. MD. MSPH. Executive Director and Chief Medical Officer 0 Cureton Midstream USRI8-0022 aural iftw'faie F�V 3 S Weld County Board of Commissioners Hearing August 15, 2018 n w( _. r..r a m ■ ara • Cureton Midstream Introduction • Project Solutions and Benefits � Project Overview • Approval Criteria � Conditions of Approval • Development Standards Cureton Introduction CJIJRETUN MIDSTREAM The Cureton management team has more than 90 years of combined experience in the oil & gas industry. Honeywell UOP CALIBER MIDSTREAhA A MI DSTPEA.M I® Bill Barrett Corporation Williams.. 3 WILDCAT ,0"))14, HighPoint RESOURCES .'11,••II 78.-IS iferIFTH CREEK Weld County Headquarters in Keenesburg, Colorado A natural gas gathering and processing infrastructure system, "Midstream System", located in Weld County EXCELLENCE INTEGRITY TRUST Our Commitment to Safety, Environment, and Health fl URETU N MIDSTREAM top Sexercise V�IarkAuthority All employees Stop and contractors Work Authority on to Cureton corn locations mun are authorized icate safety concerns to Total Recordable Incident Rate "TRIR" In 2017, our employee the TRIR, year was (recordable an industry incident leading per 1O0 workers) 0.0. for Corporate Safety Strategy Safety is built into corporate performance goals Community Engagement Ongoing neighbor communication for awareness and feedback Irate ri Management Plan Cureton will testing utilize cathodic to ensure proper protection, compliance smart of pigging, all ultrasonic safety systems and PSV Process Safety Management Compliance with OSHA Standards Safety Standards American Society of Mechanical Engineers SETTING THE STANDARD Pipeline and Hazardous Materials Safety Administration 1�.. Depcdmenl of Transport°lion Pipeline and Hazardous Materials Safety Adman isfrafon Occupational Safety and Health Administration 6 Safety - Integrated into the Process: Project Lifecycle fl URETU N MIDSTREAM Mechanical Design • System is designed for higher pressure than we will operate. Design pressure 1300 psig, Operating pressure 850 psig Testing • Code requires 5% X-ray on welds. We X -Ray 100% of the welds. • Pressure containing components are tested to 1.5X their design pressure (test pressure 1950 psig) Mechanical Integrity Program • Monitors thickness of material to determine if corrosion exists before there is a failure Control System • Redundant processors and power supplies, battery back-up allows for safe system shutdown on loss of power or component failure. Process Hazard Analysis • A design review of the facility that "what Ifs" different scenarios for all systems 7 fl URETU N MIDSTREAM Safety - Integrated into the Process: Project Lifecycle (Continued) Relief Valves • Provide overpressure protection for piping and vessels in the facility Combustion Device remote location that allows the controlled venting and combustion of gas from our atmospheric tank system valves. Emergency Shutdown Valves • Automatic isolation valves that shut in facility on loss of power or automatic shutdown Qualified Operators • Hire qualified operators that have initial and ongoing training. OSHA compliance, PSM compliance Standard Operating Procedures • Cover all scenarios in the facility for start-up, shut -down, and emergency situations 8 Our Commitment to Environmental Quality flLJRETDN MIDSTREAM Water lualit • Considerations — Groundwater — Stormwater • Cureton safeguards In place Integrity management Best management practices Engineered drainage and grading plan Stormwater management plan and permit Above -ground piping Closed drain systems Secondary containment Air • ualit • Considerations — Potential pollutants — Emissions • Cu reton safeguards in place — Air permit - Fugitive emissions program Closed looped systems for gas and liquids — Product is transported via pipeline reducing volatile Organic Compounds (VOCs) and CO2 The Tiger Compressor Station is regulated by multiple local, state and federal agencies COLORA DO Department of Public Health & Environment 9 Code Compliance - Highly Regulated Industry fl URETU N MIDSTREAM Applicable Construction Codes Cureton Compliance Pressure Vessels American Society of Mechanical Engineers VIII, Division Heat Exchangers American Society of Mechanical Engineers VIII, Division I & TEMA C V Welding and Brazing American Society of Mechanical Engineers IX % Non -Destructive Examination American Society of Mechanical Engineers V V Electrical American Petroleum Institute RP500 A; NEC Piping & Components Pipe: Valves: Fittings: American Society American Society American Society of Mechanical Engineers B31.3 of Mechanical Engineers B16.10 of Mechanical Engineers B16.34 V Relief Valves American Petroleum Institute RP 520/521 V Burner Management National Fire Protection Agency 87 V Centrifugal Pumps American National Standards Institute, API -610 Structural Design International American Building Society Code w/State Amendments of Civil Engineers 7-10 -Wind American Society of Civil Engineers 7-10, Exposure C V=120 MPH, Category III, -Seismic American SDC=Site Specific Foundation Society Equipment of Seismic Civil Engineers 7-10, Seismic Design: Design: Ss / S1= Site Ss=100%, Site D, Specific Ie=1.26, S1=40% Structural Steel American Institute of Steel Construction #14 -2010 Steel Construction Manual Noef Structural Welding American Welding Society D1.1 V Foundations American Concrete Institute 318-14 Applicable Operating odes Cureton Compliance Pipeline Safety and Hazardous Administration / of Transportation Department Material - Natural Gas 49 Code of Federal Regulations, Section 192 - Natural Gas Liquids 49 Code of Federal Regulations, Section 195 Facility - Process Safety Management 29 Code of Federal Regulations, Section 1910.119 V Occupational Safety Administration and Health 29 Code of Federal Regulations, Sections 1903 and 1904 Environmental Protection Agency EPA 40 Code of Federal Regulations, Part 60, Subpart 0000, Part 112 10 Community Involvement MAKIN MIDSTREAM Dear P-/ I J�f7ctfJ'k �,t]�t .poi 64,y :pa" Sac44,4e4s1 Wet( Ccointi rain "really PlG"f��ir 5. tit 11 oc4r a/44cl kiCkuir support kit': hi �c �`� 1tf 1101.4is�jp� �cl"�" (s f IaC4bitifo nto 6;/15 error h, s y eels/ qa ciniciS A gin i Southeast Weld County Fair and Rodeo 171 Organization FUTURES Weld County Sch tvE, A.CKuEVE, SUCCEED 3J Weld Food Bank Southeast Weld County Chamber of Commerce Bright Futures Colorado Weld RE -3J Weld Food Bank Active member and current "Business of the Month" Working with Ms. Tallent on developing a plan that fits Cureton (STEM & Vocational) Working with RE -3J on sponsoring STEM and vocational training at Weld Central Team volunteer actual time :URETDN MIDSTREAM � Project Solutions and Benefits Midstream Challenges - Large Footprint fl URETU N MIDSTREAM WELL 0 WELL a WELL 0 WELL 0 WELL O WELL 0 WELL _ WELL 0 WELL 0 WELL _ WELL 0 WELL 0 WELL WELL 0 WELL WELL PAD COMPRESSION PAD COMPRESSION PAD COMPRESSION PAD COMPRESSION PROCESSING PLANT NGI. 13 Midstream Solution - Reduced Footprint [JURETUN MIDSTREAM Y4f@LL O WELL O WELL O WELL O WELL 0 WELL O WELL _ WELL O WELL 0 WELL WELL O WELL _ WELL O WELL WELL WELL COMPRESSOR STATION PROCESSING PLANT RESIDU E G1 Goal: Consolidation of numerous compressors into one facility for an overall footprint and impact reduction 14 Project Solutions fl URETU N MIDSTREAM Annual Flared Mcf/ Year in Weld County 10,000,000 9,000,000 8,000,000 7,000,000 6,000,000 5,000,000 4,000,000 3,000,000 2,000,000 1,000,000 5,903,535 7,693,850 7,693,093 8,949,221 2014 2015 2016 2017 8.9 Billion cubic feet "Bcf" of gas was flared in Weld County in 2017 - $54 million in value - Enough to heat 45,000 homes annually C0GCC: "More producers seeking flare allowances due to processing and pipeline constraints" Source: Chart data supplied from COGCC website 245-2017 15 Centralized Compression Oil & Gas Production in the vicinity of the proposed Tiger Compression Station and the api roved Front Range Facility legend Wall (API Spot) k Pending Wel (Form 2) Permit La, n Approved'U"JeIl (Form 2) Permit Pending Location (orm2A) Permit Approved Location (Form 2A) Permit mit Directional Wellbyres ront Range Facility iger Compressor Station wit L • swam • i• fit • •• • • 5 t • • tS • • • • i • ••• • • • 0 • • • # •••� • I $63V 0 • • • •••••••• a rM 0 Source: COCCCJ rIy 4, 2018 Project Overview: USRI8-0022 fl URETU N MIDSTREAM Project Overview • Tiger Compressor Station - 40 M MSCFD/d - Compress Natural Gas from area production wells to transport to the Front Range Gas Plant (USRI7- 0065) for processing and sales to local and national markets Facility Operations Overview 18 full time local jobs created in Weld county► • Tiger Compressor and Front Range Gas Plant 3-D Model Rendering of the Proposed Facility. Proposed acoustical buildings are shown for reference. No other mitigation is depicted on the rendering IT":?P IEDI C: Lt C,NIRf t ' . L <?44* t 9 9sa-rinnf 91. Ile LiF Ft V, S 140*Ytd 144-01 I und[ tabbe d 'ha tit 1.i°r" J� Site Selection CU?FTI7N MIDSTREAM Customer Service - Located near drilling and production activity Engineering - Hydraulically provides a location that optimizes the centralized compression Compressor Station Siting Parameters A Safety - Located in an area that allows Cureton to operate safely and efficiently Operationally - Located near existing Cureton infrastructure 20 Vicinity Map: Surrounding Land Uses fl URETU N MIDSTREAM 0SON JGA OGL. : 17-0065 ~'rliE!B 1SINE S(O'O . jI1 I�J�I TEF ,L * N1 till -, I MANUFACTURIN FA,CTUR I N 21 Project Site :uREmN MIDSTREAM 4 FUTURE WELL PAD DEVELOPMENT (Approved WOGLA) 3 1 N 4W 4 NW - Proposed Tiger Compressor Station U R18-0022 b 22 alEMIP X EXISTING FENCELINE INLET RECEIVERS TRANSFORMER MCC BUILDING INSTRUMENT AIR _ SKID SLUG CATCHER FUTURE 3 -PHASE SEPARATOR i i C x 7' CHAIN LINK SECURITY FENCE -1 7 I I tee #1 F DEHYDRATION SKIDS FUTURE ' DEHYDRATION SKIDS CCI BUSTO'R a _ EXISTING DIRT ROAD PLANT ACCESS ROAD HALF SECTION LINE FUTURE COMPRESSORS AND COOLERS /- COMPRESSOR BUILDING (TYP) DRAIN TANKS X COMPRESSORS AND COOLERS OUTLET LAUNCHER l DETENTION POND ,. auRFrnN MIDSTREAM Site Plan 23 _EASE BOUNDARY Operations � 1 truck � 2-3 Passenger Vehicles Construction � 10-15 Passenger Vehicles • 2-3 Truck Site - Specific Safety Systems irait ci RFrnN IV MIDSTREAM Mechanical Operations PRIMARY LAYER OF SAFETY SYSTEMS Automated system provides first layer of safety measure. Multiple variables monitored such as pressure, level, flow, and temperature Predetermined inputs for alarm and shutdown of facility. Cause and Effect chart governs setpoints and response. i SECONDARY LAYER OF SAFETY SYSTEMS Manual system provides a redundant safety system Manual pushbuttons located throughout the facility that could shutdown entire facility in emergency Enclosed combustor system provides for air emission control and eliminates venting of flammable vapors to atmosphere State-of-the-art mechanical safety systems supported by backup operational systems designed to provide safe facility operations 24/7 25 Outreach flURETD\ MIDSTREAM Application Submittal: March 7; Continuous correspondence with County Staff throughoul Weld County Referral Process and Notice: March 23 Hudson FPD Meetings: March 13 Invitation to Open House Mailed: March 16 Neighborhood Open House: April 5 March April Mineral Owner Notice: June 15 Hudson FPD Meeting: July 13 Weld BEM Meeting: July 16 Planning Commission: July 17 June July 84 Individual Neighbor Calls, Email, Mailings & Meetings March 16 through August 14 26 Public Outreach - Communication Channels auRFrnN MTDSTREAM Cureton will utilize multiple methods to provide effective communication with landowners Mail: US Postal Service ittiptito Project Website 1-800 Number Email Platform: Bi- directional • Email: tiger@curetonmldstream.com • Tollfree Phone number: 833- CURETON (833-287-3866) • Project Website: tigercompressorstation.com Facility Enhancements in response to Input lipt EURETUN MIDSTREAM � Noise mitigation study completed � Comparative facility example letter � Light from surrounding property minimized � Facility mitigation � Low profile tanks � Equipment specific noise minimization � Visual Mitigation 7 TIGER COMPRESSOR STATION PHOTOGRAPH LOCATION MAP NO RAJ S DESIGN Pl.,d¢y I Land lira pet d n sr iI "9 fl URETU N MIDSTREAM r • #y ` J s S mar. — - Ail • s _ i EXISTING TIGER COMPRESSOR STATION j LOCATION 3 NO [S DESIGN Rmt!-g Lames¢ .tadlie4rrI.8rind e fl URETU N MIDSTREAM �--S. __ -- -a* ..S.Snonallanatit a -ae• t • - r `F s 4 sir •S',,w}•. - t • - e c- r aky z� . --a a r '.S • :11 L �- • - r_ a -at s- 1 1IL-_ _te - r 21rii• am - - _s+:-1.4:1r-zt bra r s ii • aaE SM. is Ie7 z -a — rT• . L 3 - ` ,f_ .ose rw - — $1°.: . a - 1y Ara —v a- Sr- ."- - a Ns 1 � , +sis __ at PROPOSED TIGER COMPRESSOR STATION j LOCATION 3 NO [S DESIGN P�r!1!g Lu•dee¢ffA,dlie4rrI mad mg fl URETU N MIDSTREAM t•: --� --s.__ II- _ 3 i;qq - S••azs'-_ice r. -i a - c_ a f • - r `T s `raMMIl+ a - a sir age) gat - t _ .a e aky --a Air a , .i 1_ a r • �C - r_ • ��a: AIe7 - - ii ja7.17.101774"are-7-71-Araa24;.-- ,a • • —r _ y :r - _. z — rr•• L 3 - `• ,f_ ose — $1..4 .'a - dap • _ - -• F "'. _ rata at- • • -:• c a 1y a- - ,a s — s a l' - - 'Sr - i • PROPOSED MULTIPLE BUILDINGS TIGER COMPRESSOR STATION j LOCATION 3 NO [S DESIGN Rmt!-g LrvianffA,thie4nI r.><de TIGER COMPRESSOR STATION I PHOTOGRAPH LOCATION MAP I I . J+Rjkis DESIGN Paral l 4ardesstrayettleetaria I ihnd ng • ilL- _ � .� May r �� `•/• Ma. •ka _ � s-ql%''1 r .-.r -aft o�,_. _ c - - - - • - .. T 1.- - - -a - _• •--�" - � !t►t� 4� .e �r •d�•. ^ f. /, �:. >.+ . _ - _ / .. - - Lr� .� :� _ ��• : _ _ r1sr.' 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J4 :ce+•Oi'_ s" _ �.i I♦R ' _ l L^ -.A J T "` • - '• ..s*`s�'t: . i �• i - < ��2 7'ii•..' - r h aft '- _s .t- .t �c./�•f• 3 `�t .. �+/�.' �>�;..,�.A/T -� ,aaTs r� --'' .rte 1� ..v""7:-?.. - - _ Y .' P4' XJ ,�lCa.. .i="._ _� _• - �'' �� - ,'' _:+._�_ ¢ .� �v�'r ..' - ��4_ -ter • - � ^ , .. . a dlq�ai' � �yy r �'! rt. "F ▪ _ . w�.� _ .. J -. r •- �. :�" J ...rc .'f i 77_ a �y x Ilir �L ~e��—�� - 'v.��—,-. -� .ay� ��'."... �_�_ ��°ti'��.� TIGER COMPRESSOR STATION I LOCATION 6 EXISTING NO ,[S DESIGN • ... ▪ -e _ - -lF . - r - • - - __ .•4 a'^ C?�q4 PC It 4,1 i-. _ i if .s • _ s- . � • - fr ^T art _ c" - .a. 1 �- �+J.^T i• t _;•.. s i - � - w 1 Lr fr1-4r a� : t • • Sirwf d' - --.... _ •. `. - '. �� _ :ti.^': -� ' A. ""restalt"��..�, zJf?— s - -' 'mod" - . ,." :rir 11. `_ .:.-7�rh - a.i Ft - my L •• 771:: 1 s rC a. �Y�.•�. t :�' _opt �. �S�.� �F f. ^ +rte 'F vri:i.. 7r'.-• �'►es $ tt�'c �s_:-1"c:1__s -_•ear. .� ,s_ ..s -1c4F"'...s.,�,,itEf ▪ �E. 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T' . :...� •!- .y - — !f's .W-_ _ - _-f i' �• •'l, _` �Sr ., i.. - �.. 3 • - {�� - ta' iyT.r. �t weti� ^2_ . a ♦. �.�� ., - - _ e- ?„, • }'�ii . r.'J� .. .-pt['':C ^-+R- Y•? ...a?'3�__ 1 - - f�`- s �J�, TIGER COMPRESSOR STATION I LOCATION 6 PROPOSED NORNS DESIGN Pa" 'adu l,*adrewsIewn% gr- f*F 1 -- +e _ �` i^' • :y ter. -. -�L _ F �• f' i sf S 'i -f ��,,f�..�(� . 4 •_ _r - r-• Rj � t'l�..d.. -^ .` +'- "�., ar w1 is-•. r _ i -�.'L •- ;+ - - 'rTM`�+•!. _. T+err -" •• a Hr• - _ - r•--- • 'T _ _ .. _ •T .',-'ice ".. a r _ �-b. - �• r Dom• w - .r r a r- •. et -0 - al. Jn .y : - - r - .. � f�. - :-!'E �-ra ._,F _' _ a.lt.f . �- -if. i~ ',`.�t�� v{ _� •�!� t _,�,� 'F- l` -z S r "Rs• !�' y�,. _�, •'+4T-,� 1 g�S l_ 1 - • T _ _ a _ _ - _ �; �- lN r- ,� •- i r_ � r - - - ! T 7sr _-}' .. +.-.7 µ— _ '.tt, • L • 1^j H O J.l? �. bi i`rvti.• �' •r ^rr r TIGER COMPRESSOR STATION j LOCATION 6 I I . PROPOSED MULTIPLE BUILDINGS NO[S DESIGN Kral!Y Lrdanff Agyettleetars I Mit d TIGER COMPRESSOR STATION I PHOTOGRAPH LOCATION MAP I I . J+Rjkis DESIGN Paral l 4ardesstrayettleetaria I ihnd ng fl URETU N MIDSTREAM 0 _ EEss.tia pf 1 O .,� • ti _-r.i Mr a � _ ��K 0�� to 1 -rare _ • al - T A� -'1'r.-_ _... _ %�iiiw a � at -4c e] n _ I:, Z. - 'ta _ •-r ' " _e_ _� __ _ • �� 'ar W it__ i 1 at, TIGER COMPRESSOR STATION j LOCATION .5 NO [S DESIGN Rmt!-g fi bythue t .taetlie4rr I.8motel e fl URETU N MIDSTREAM • gr It —., ! S -•-r.,�, r r lz �7��t?.1mss'.=- _� ..:•.3rd!=1�•. -- Z• eS4 nar c _17 1;11' - TIGER COMPRESSOR STATION j LOCATION .5 PROPOSED NIOR,RjS DESIGN Rani Larthuestra AaettleetursI.8mad m fl URETU N MIDSTREAM PROPOSED MULTIPLE BUILDINGS TIGER COMPRESSOR STATION j LOCATION .5 NIOR,RjS DESIGN Rmt!-g brichuestra AaettleetursI.8mad m Figure 4-2 Noise Sensitive Receptor Locations @B Behrens and associates, !nc. Environmental Noise Control dE A Compliance Asvessment Locations Tiger Compressor Station Facility Noise Modeling Behrens and Associates, Inc. Environmental vr.'ronmenztal Noise Control Noise Contour Map: 3 -Sided Permanent Wall Figure 4-5 Scenario 2 Noise Contour Map (dBA) Average Noise 1,eve Leg dRA 30.0 35.0 S 40.0 _ 45.0 _ 50.0 55.0 UL).0 _ 65.0 - 70.0 75.0 _ 80.0 _ 85.0 90.0 400 BOO 1200 law t feet Tiger Compressor Station Facility Noise Modeling 12 Behrens and Associates, Inc. Environmental Noise Control Noise Contour Map: Individual Buildings Average Noise Level, Leg dBA a 3].0 35.0 40.0 45.0 50.0 55.0 60.0 65.0 70.0 - 76.0 80:0 85.0 90.0 0 400 800 1200 1600 feet 43 fl URETU N MIDSTREAM PROPOSED MULTIPLE BUILDINGS TIGER COMPRESSOR STATION I NIOR,RjS DESIGN P�!1!9 brishuestra AaerilleetarsI.8mad m :URETDN MIDSTREAM Intent of Ag Zone District rat C]IJREIUti As7 MIDSTREAM Section 23-2-200 Intent • Uses by Special Review • Performance, Design and Operation Standards Sec. 23-3-40.A.2 - Uses by special review. The following BUILDINGS, STRUCTURES and USES may be constructed, occupied, operated and maintained in the A (Agricultural) Zone District upon approval of a permit in accordance with the requirements and procedures set forth in Article II, Division 4 of this Chapter. A. Mineral resource development facilities including: 2. OIL AND GAS SUPPORT AND SERVICE Intent of Ag Zone District SURETUN MIDSTREAM —cineuren OIL AND GAS SUPPORT AND SERVICE Location and operation bases for businesses whose primary activity includes the following kinds of USES: g. Oil and gas processing facilities and related equipment, inclu sing, but not limited to, compressors associated with gas processing or which compress gas to enter a pipeline for transport to market. 47 [JURETUN MIDSTREAM Conformance with Application Requirements Section 23-2-260 General Applicant Information Certified SPO List Mineral Affidavit and Notice Signage Certificate of Conveyances Project Description USR Mapping Products Subdivision Exemption Approval Criteria ThRETUN MIDSTREAM Section 23-2-220 1. Consistent with the Comprehensive Plan 2. Consistent with the Agricultural Zone District 3. Compatible with the existing surrounding land uses 4. Compatible with future development of the area permitted through the AG Zone and Master Plans of surrounding communities 5. Compatibility with Overlay Districts 6. Preservation of Prime Farmland 7. That there is adequate provision for the protection of the health, safety and welfare of the inhabitants of the NEIGHBORHOOD 49 Conditions of Approval Hirai EURETUN isilV MIDSTREAM � Road Maintenance & Improvements Agreement � Final Drainage Report � Recorded Access Easement � Decommissioning Plan � Emergency Communications Plan � Lighting Plan � Landscape/Screening Plan • Noise Abatement Plan • Recording timeline and methodology � Facility Action Plan � Grading Permit � Building Permit processing Development Standards URETUN MIDSTREAM Staff Comments • Site specific Development Standards reflected in the Application, responses to referral responses, and in accordance with County Code. II Cureton Midstream USRI8-0022 Presentation Conclusion and Questions Behrens and Associates, Inc. F.111'//vfl/11e/'lta/ NO/Se COMM/ Tiger Compressor Station Noise Impact Presentation ( ;ir'NOM '' I? By Andrew Truitt — BAENC Senior Engineer l orptmruts: ( )Ili.t,- I Iav4tllurne. ( alilurnia ( :1111„riu.s \Iedo Ie\u, Nal)u ( all !Urn la I unL!rttunt. ti1c1)unaltl, P nns\Ivan': Plume 251111 0_79-K6; i I a \ ;1O- i i I - 15 >?{ \%'% ell\ II`uI1111CI1laI nt i'.0 t'tutttntl C )III \A , illin,nnul,ecoliUul.cunt Behrens and Associates, Inc. Environmental Noise Control Tiger Compressor Station Noise Impact Study I I I I Acoustics 101 Project Overview Ambient Noise Measurements Noise Modeling Methodology Noise Modeling Results 8/23/2018 Corporate Office: Hawthorne, California Carson, California -' Aledo, Texas — Napa California Longmont, Colorado McDonald, Pennsylvania Phone 800-679-8633 ed Fax 310-331-1538 2 www.environmental-noise-control.com wwwj.drillingnoisecontrol,com Behrens and Associates, Inc. Environmental Noise Control Description of Sound & dB Sca I I I I I Air pressure wave, moves at speed of sound (760 mph) Similar to ripple in pond The ear responds to air pressure variations to give us sensation of sound Change in sound pressure from reference pressure described in decibels (dB) Reference pressure is 20 microPascals 8/23/2018 Corporate Office: Hawthorne, California Carson, California -' Aledo, Texas — Napa California Longmont, Colorado McDonald, Pennsylvania Phone 800-679-8633 ed Fax 310-331-1538 e www.environmental-noise-control.com wwwj.drillingnoisecontrol,com Behrens and Associates, Inc. Environmental Noise Control Frequency and Weighting Scales i I I Our sensation of pitch determined by frequency of pressure wave (Hz) Audible range for humans is 20Hz to 20kHz Sound usually composed of all different frequencies Weighting networks allow noise to be represented with different emphases on certain frequencies 8/23/2018 Corp Carson, California ^-' Aledo, Texas Phone .50 Weighting Networks 20 ! ! 10 U',174111a 510 i o C.b s 7000 50,0 0 1 Frequency (HZ) 22.1 i Octave and Center Frequency, Hz 31,5 63 125 0 500 1K 4K 44.2 177. 354 707 sir I 1414 2828 5657 11 Hat4 Octave Sand Cut -Off Frequency; H www.environmental-noise-control.com www.drillingnoisecontrol,com — Behrens and Associates, Inc. Environmental Noise Control SOUND PRESSURE Jet Take -041 l '25 m distance)04 100000000 Average Street Traffic I�I SOUND PRESSURE LEVEL 140dB - 130 4 4111 1 Firecrac --- 120 10 000 000 -�- Roc< 1.)►►►► 110 Group 1 000 000 Pneumatic Chipper 1001 • Noisy Workplace F►►► 80 14O 000 Conversational Speech Bedroom 60 'Mp►►' 10 000 Business Office 5O 4O ill in Room 70 8/23/2018 COMMON SOUND LEVELS AND THE DECIBEL SCALE SOUND LEVELS OBA) Lawn tower at 3' Try Passby 60'mil. ai CO' Conversational Voice at. 3' Fre&gh ; rain lc mile away Thneshoid of Hearing 105 95 85 75 66 Train Hurl Tractor) ) Cortina at 501 Car Passby SI] mph at 25' Crickets r+' Tree Frogs Quiet Suburban Area a; Night Whisper Acoustic Trauma a i a a - MM -MM-•- - - - - - - - -- mama= - - MI MMMMM IS MI fa Extrem&y Loud a a a - - - a M' - --"—! — — Yer9 Loud Laud • Jac- Mode rate Faint a Corporate Office: Hawthorne, California Carson, California -' Aledo, Texas - Napa California Longmont, Colorado - McDonald, Pennsylvania Phone 800-679-8633 ed Fax 310-331-1538 100 90 80 70 60 50 40 30 20 dB leuels l I Car h rn, wbl w r — — %Glyn OOKsI — a — — • let engine tOO leo away Rock covert a INN al IIIM MI MIMI= MI MI —•---a— Blow dr4tr, subwau; helicopter, drain Motorcycle, lawn mover, cortucrlible ride ort highway Factory, noisy rsstaura nt'vacuum, screaming child Car, alarm clock, dig traffic Conveisalio n, dishwasher Moderate rainfall Refrigerator Whikper, library Watch tikkin 5 www.environmental-noise-control.com wwwj.drillingnoisecontrol.com Behrens and Associates, Inc. Environmental Noise Control Sound Level Addition I S Due to the logarithmic decibel scale, sound levels can not be added arithmetically For each doubling of sound there is a 3 dBA increase 8/23/2018 Addition and: Subtraction of Decibel Levels 1 SO URGE 50 NA 63 (JIM 66 (IPA 2 SOURCES 4 SOIU ROES Fiore 11 8 SOURCES cep lb "Ale -,.. e % „ , } _ I I ti fir Ski t "is -14 r % 411. Pat ul 444 0 f S I de "Gs or' ia 4r ' - Corporate Office: Hawthorne, California Carson, California -' Aledo, Texas - Napa California Longmont, Colorado McDonald, Pennsylvania Phone 800-679-8633 ed Fax 310-331-1538 6 www.environmental-noise-control.com wwwj.drillingnoisecontrol,com Behrens and Associates, Inc. Environmental Noise Control Sound Level Perception in the Field Generally Not Perceptible Barely Perceptible Readily Perceptible 1 Perceived Doubling of Sound 0 1 2 3 6 7 8 9 10 Sound Level Increase (dBA) 8/23/2018 Corporate Office: Hawthorne, California Carson, California -' r" ledo, Texas — Napa California Longmont, Colorado McDonald, Pennsylvania Phone 800-679-8633 ed Fax 310-331-1538 7 www.environmental-noise-control.com www.drillingnoisecontrol,com Behrens and Associates, Inc. Environmental Noise Control Weather Effects � Increasing or decreasing temperature and humidity changes air absorption characteristics. Air absorption generally only takes significant effect at higher frequencies (frequencies above 2 kHz). � Optimization curve for temperature and humidity due tp the differing absorption characteristics between nitrogen and oxygen in the air. However, distance propagation will -have the most significant effect especially for noise that we deal with at distance. � Temperature inversions can increase the distance that noise travels and can be included in modeling for specific circumstances � Wind in the direction of a receptor can increase noise levels for light to moderate wind levels 8/23/2018 E 3 d 0 Pe 2 0 2kHz • S 0 0 4 0 3 1 10 20 30 10 RELATIVE HUMIDITY CA) I, I U 8kHz 10% 20% 4 20 30 40 50 TEMPERATURE CO va r mair cool air • source Corporate Office: Hawthorne, California Carson, California Aledo, Texas Napa California Longmont, Colorado McDonald, Pennsylvania Phone 800-679-8633 ed Fax 310-331-1538 body ofvater 8 www.environmental-noise-control.com wwwj.drillingnoisecontrol,com Behrens and Associates, Inc. Environmental Noise Control Project Overview � Natural gas compression facility located in near Hudson, Colorado � Full construction build out modeled � Acoustical mitigation efforts in the form of exhaust silencers, acoustical enclosures, and acoustical modeling � Factory sound level data and factory acoustical performance used for acoustical modeling 8/23/2018 O o rm trI.V) 1 M 125760) a R m m w _EASE CORNER 1 ' 19.7 568, 513 'b' ,n PI VI 11 lU o w6 n Ve w N. N. fl n Pi f w 0 O Pro VP RP Li `b'' 0 m W) N w LEASE Cal.IN EI. PI 1 257 17534 O a e Hsl fill IL `. .a v - - '� N e' w in . u O a a V! IN w /� Jf,7 E 3 x53 38.4,23 E 3 253 ti]Z.22 EXIST. ACCESS EASEMENT A,17-00366 TO EMITINC WGR.49 gst$T, *EH 89.3'50.W - 007 S ' 9°. ne-E 2V,21 N44°J41.1"E -�-• E26.05' . - - - -- 2000') _-_ - -- - . -. - - - . (APPROX. 1 1317',2S" N@9'27'53'E - 7! - - - --=r= - - - - --- - s - - \- OVERHFAO ELECTTF -� 3m R IGHT-Of-YJAW'RE5OLLITION LINE- - r 129r5op - - - �,_ t I t- 20' SETBACK LINE , N EXIST EDGE - ` - - - OF ROAD - - - - - a -+ti CWA APPROXIMATE LOCATION 1 \ APPROX. a06 YEAR mAP PANEL FHDP-7'6? LOCATION OF I L¢06 2¢kE; i NO, 0N123CI1 - �' ) �` I _ - - M 1259400 - - - - fli '1: PROP, v - - - - ,,�, J sG r PROPOSE)} I ESE 5.6815 ACRE LOT I �-. f �� }� it X11.-/ PLOW F, E Q J 1 EXIST. PIPELINE EXL51. 12' / I ' \ "• N AIR KECkIVERS DRIVEWAY VI 1 r-. 'O a a w r_+i' r-, PROP, METHANE SEP 0.OP, AIR SR.I.D r•- `t \ d `� �+ N 1,417-N.d-WAP Eh1PORA$tY St20' CA44EX LRLDINcs ` V Ililill 4 Tl I �\\1/4.- to 'RESSOR' l LEASE N 1257 200 IIOUNDARv PROP, RE a s7 I I1ERip. I1 l id -r —� '` EXIEL r 6i ,, ,Of- ef ..,2 le_ R. son / N. 125710) PROP, LdUhIC l PROP, SEPARATORI ri I FUTURE ©EM' • I 1 p FFIISCH LIER�iYr * ) W S 1 l 9 1"' ail NEI 4 r 2 I 7 i LEASE +3.O10146b.RN { PROPOSED DETENTION 9ESION 1 ! NO BUILD/SeORAGEAREA POND E - LS,2 4 Cr ff 125700) II PRCIP.6BIY PROP. 8' CHAIN _INK p gii I I 1 s SECURITY FENCE PIkOP.Cf5N18USTOR + FLCXIF j 2. 1 I LIME NER NN11256 489,73 I — STATION 6. 26.28 marl LIGHTING WILL GE DOWNCAST TO BE I'WI DETERMINED , LEASE CORNER' N 1 256 993.08 E 3 253 393',98 SHIELDED- LOCATION , 1 r lel.� n L 3 253 8217,34 Corporate Office: Hawthorne, California Carson, California r" ledo, Texas Napa California Longmont, Colorado McDonald, Pennsylvania Phone 800-679-8633 ed Fax 310-331-1538 9 www.environmental-noise-control.com www.drillingnoisecontrol,com Behrens and Associates, Inc. Environmental Noise Control Ambient Sound Measurements I i I i Conducted from April 14 to April 17, 2018 Type 1 sound level meter used with microphone 4 feet above the ground per Weld County Code. Hourly sound level averages (Leq) were recorded Logarithmic averages were calculated for each time period and averaged across each day 8/23/2018 Corporate Office: Hawthorne, California Carson, California -' Aledo, Texas — Napa California Longmont, Colorado McDonald, Pennsylvania Phone 800-679-8633 ed Fax 310-331-1538 www.environmental-noise-control.com wwwj.drillingnoisecontrol,com Behrens and Associates, Inc. Environmental Noise Control Ambient Sound Measurement Results Cureton Midstream - Tiger Compressor Station Measurement Location Average Ambient Noise Levels (dBA) Average Nighttimg Ambient Noise Levels (dBA) Daytime 1 50.4 44.6 2 47.2 43 3 44.2 41.6 4 44.2 40.7 CRS 25-12-103 (1) Noise 55 dBA 50 dBA Limit 8/23/2018 Corporate Office: Hawthorne, California Carson, California -' Aledo, Texas — Napa California Longmont, Colorado McDonald, Pennsylvania Phone 800-679-8633 ed Fax 310-331-1538 www.environmental-noise-control.com wwwj.drillingnoisecontrol,com Behrens and Associates, Inc. Environmental Noise Control Noise Mode I I I I i ing Methodo Legislative noise standards include CRS 25-12-103 (1) Project Noise Goals set at Residential limits Modeled receptor locations include measured ambient locations Using commercial 3D sound propagation program SoundPLAN 74 for noise modeling Modeling includes local topography 8/23/2018 i 0 gy Colorado Noise Related Statues 25-12-103 (1) — Maximum. Permissible Noise Levels Zone Maximum Noise @BA) 7:00 pm Maximum Noise OBA) 7:00 pm to next 7:00 am 7:00 am to next Residential 55 cU BA 50 dEA Commercial 60 ciBA 55 ciBA flat Industrial 70 dlik 65 ciBA Industrial 80 cIBA 75 cIBL Corporate Office: Hawthorne, California Carson, California -' Aledo, Texas — Napa California Longmont, Colorado McDonald, Pennsylvania Phone 800-679-8633 ed Fax 310-331-1538 12 www.environmental-noise-control.com www.drillingnoisecontrol,com Behrens and Associates, Inc. Environmental Noise Control Noise Modeling Receptor Locations Parcel 147519300014 Property Line c1BA Compliance Assessment Locations Behrens and Associates, Inc. Environmental Noise Control Noise Mode i ing Resu i ts Receptor Location Description Scenario 1 Scenario 2 Scenario 3 Scenario 4 Location 1 Southwest corner of Farce 1# 1475192000020 42.3 40.9 36.9 29.0 Location 2 South property line of Parcel# 1475192000020 46.4 45.4 40.8 32.6 Location 3 South property line of 24366 WCR 8 64.2 46.3 51.8 48.0 Location 4 west property line of 24639 WCR 6 340.8 26.9 33.3 29.8 Location 5 Southwest property line of 24639 WCR 6 42.4 38.8 40.1 31.8 Location 6 North property line of 24639 WCR 6 44.3 40.6 37.4 31.5 Location 7 North property line of 1868 WCR 49 36.2 33.6 26.8 25.4 Allowable Noise Level 25 ft. from the property line of potential noise complainant. 55.0 Day Night / 50.0 55.0 Day Night 150.0 55.0 Day Night 150.0 55.0 Day N iaht / 50.0 Corporate Office: Hawthorne, California Carson, California -' Aledo, Texas - Napa California Longmont, Colorado McDonald, Pennsylvania Phone 800-679-8633 ed Fax 310-331-1538 14 www.environmental-noise-control.com www.drillingnoisecontrol,com Behrens and Associates, Inc. Environmental Noise Control 8/23/2018 Average Noise Level, Leg dBA a i 30.0 35.0 40.0 45.0 50!0 55.0 60.0 65.0 70.0 75!0 80.0 85.0 90.0 �� $�� 1 �� 6 aeet 15 Behrens and Associates, Inc. Environmental Noise Control 8/23/2018 Average Noise Level, Leg dBA _ 30.0 35.0 _ 40.0 4.! _ 0.+ _ 55.0 _ 60.0 =6.0 = 70.0 75.0 0.0 85:0 90.0 0 400 800 12001600 feet 16 Behrens and Associates, Inc. Environmental Noise Control 8/23/2018 Average Noise Level, Leg +dBA _ 30.0 35.0 40.0 _ 45..0 = 50.0 55.0 60.0 65 ..0 '0.0 '5.0 80.0 85.0 90..0 Q 400 800 1200 1600 feet 17 Behrens and Associates, Inc. Environmental Noise Control Scenario 4 8/23/2018 Average Noise Level, Leg dBA 30.0 35.0 40.0 45.0 50.0 55.0 60..0 65.0 - 7O.0 - 75.0 80..0 _ 85.0 90.0 0 400 800 1200 1600 feet 18 Behrens and Associates, Inc. Environmental Noise Control Scenario 1 Scenario 2 8/23/2018 Average Noise Level, Leg dRA 30.D = 35,0 40_C► = 45:0 50.0 = 55,0 60_ - 66.0 _ 70.0 = 75.0 = 84,0 = 65.0 90.0 d 400 SOO 12O3 1000 few Average No Leveb, Loci ciBA a 30O = 35.0 = 40.0 = 45.0 = 50.0 = {55'.4 &0r0 j - Tsai a 75.0 = {80.0 85.0 80.0 m doO RDi +a>D ttK'a 1MII �CCK Scenario 4 Average (~Fosse Level. '_eq d3.A = 30 0 35 40 0 45 0 5.0 55 0 50 0 65.0 70 0 = 75.0 =80.0 85.0 9.0 800 1210, 15C0 led Average Noise Level, Levi dBA 30.0 35.0 40.0 11.0 = S .0 55M 6O0 - 65.0 = 70.0 15' 0 = 80,0 - 85.0 900 404 *00 1200 IMO 19 Hello