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Home My WebLink About800947.tiff RESOLUTION RE: APPROVAL OF PRELIMINARY PLAN FOR HIGHLAND PARK WEST INVESTMENT WHEREAS, the Board of County Commissioners of Weld County, Colorado, pursuant to Colorado statute and the Weld County Home Rule Charter, is vested with the authority of administering the affairs of Weld County, Colorado, and WHEREAS, on the 25th day of June, 1980, the Preliminary Plan of Highland Park West Investment was submitted to the Board of County Commissioners of Weld County, Colorado for approval in accordance with the Subdivision Regulations of Weld County, Colorado, and WHEREAS, the Board of County Commissioners heard all of the testimony and statements of those present, and WHEREAS, the Board of County Commissioners had evidence presented in support of the approval of said Preliminary Plan, and evidence presented in opposition to the approval of the Preliminary Plan for the following described estate, to-wit: A tract of land located in the Southwest Quarter of Section 15, Township 5 North, Range 66 West of the 6th Principal Meri- dian, Weld County, Colorado being more particularly described as follows: Commencing at the Southwest Corner (SW Cor) of said Southwest Quarter (SWa) of Section 15 and considering the South line of said Southwest Quarter (SWa) Section 15 to bear North 89°58 ' 14" East with all bearings herein being relative thereto: Thence North 0°10 ' 55" West, 40. 90 feet to the True Point of Beginning: Thence North 0°10 ' 55" West, 2598. 77 feet to the Northwest Corner (NW Cor) of said Southwest Quarter (SWa) of Section 15: Thence North 89°37 ' 14" East, 2617. 65 feet to the Northeast Corner (NE Cor) of said Southwest Quarter (SWa) of Section 15 : Thence South 0°15 ' 56" East, 1519. 67 feet along the East line of said Southwest Quarter (SWa) of Section 15. Thence South 89°40 ' 04" West, 489. 60 feet: Thence South 0°15 ' 56" East, 771. 05 feet: Thence South 64°23 ' 56" East, 544 . 11 feet to a point on the East line of said South- west Quarter (SWa) of Section 15 : Thence South 0°15 ' 56" East, 94 . 00 feet along the East line of said Southwest Quarter (SWa) of Section 15 to a point on the North right-of-way line of U.S . Highway 34 By-Pass : Thence along said North right-of-way line by the following two (2) courses : 800947 North 89°46' 38" West, 1794 . 56 feet: South 89°58 ' 14" West, 826. 94 feet: to the True Point of Beginning. Said tract contains 146. 92 acres more or less. WHEREAS, the petitioner was present, WHEREAS, the Board of County Commissioners has studied the request as submitted, considered the testimony and statements of those present, and having been fully informed, is satisfied that the submitted Preliminary Plan conforms in all respects with the requirements of Section 5 of the Weld County Subdivision Regulations, and that approval of said Preliminary Plan would be in the best interest of Weld County. NOW, THEREFORE, BE IT RESOLVED by the Board of County Com- missioners of Weld County, Colorado that the Preliminary Plan for Highland Park West Investment located in Part of the South- west Quarter of Section 15 , Township 5 North, Range 66 West of the 6th P.M. , Weld County, Colorado be, and hereby is, approved subject to the recommendations and conditions as recommended by the Weld County Planning Commission dated July 17 , 1980, and also subject to a mutual agreement between the applicant and Colorado Interstate Gas concerning easements. BE IT FURTHER RESOLVED by the Board of County Commissioners of Weld County, Colorado that the reasons for approval contained in the Planning Commission recommendations dated June 17 , 1980 be, and hereby are, adopted as the findings of fact of the Board of County Commissioners in this matter. The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 25th day of June, A.D. , 1980 . n y � D OF TCO COMMISSIONERS ATTEST: (2�y�,�'f` WELD COUNTY, COLORADO Weld County Clerk and Recorder �, / c .� (Aye) and Clerk to the B C. W. Kirby, Cyfairman (ABSENT) putt' County lerk eo:: 1 :aTem rd L. Ro (Aye) County Attorney AVPNT PATE PPPcPNTED (Aye) Lydia Dunbar (ABSENT) June K. Steinmark DATE PRESENTED: JUNE 30 , 1980 1. . BEFORE i.iE WELD COUNTY, COLORADO PLANNIN, COMMISSION RESOLUTION OF RECOMMENDATION TO THE BOARD OF COUNTY COMMISSIONERS Date June 17, 1980 Case No. S# 187:80:8 APPLICATION OF Highland Park West Investment ADDRESS 3835 W. 10th Street, Greeley, CO 80631 Moved by Irma White that the following resolution be introduced for passage by the Weld County Planning Commission: Be it Resolved by the Weld County Planning Commission that the Subdivision Plat Preliminary Plan located on the following d tatOodyp,o.rcSIPNs perty in Weld County, Colorado, to-wit: f Pt. SWa Section 15, T5N, R66W JUN 3 3 1980 GREELEY. COJ.q, w/ recommendations and conditions be recommended (favorably) (CwRkRowAk1Y1 to the Board of County Commissioners for the following reasons: 1. The preliminary plan conforms with the requirements of Section 5-4A, of the Weld County Subdivision Regulations . 2. The following referral entities have reviewed this request and set forth no objections to it: a . City of Greeley Planning Commission, subject to the applicant meeting the City of Greeley Staff's concerns regarding sewer and drainage plans. b. West Greeley Soil Conservation District. c. Colorado Geological Survey provided the recommendations made in the Arix Subsoil Investigation report regarding foundation design , floor slab construction, surface and subsurface drainage, treatment of foundation soils , and the need for inspection of excavations are followed. d. Western Hills Fire Protection District. e. School District #6. f. Weld County Utilities Review Advisory Committee. g. Weld County Engineering Department. Motion seconded by Rette Kount7 Vote: For Passage Irma White Against Passage Bette Kountz _ Bob Ehrlich Bob Halleran Fred Otis Jerry Kiefer Chuck Carlson The Chairman declared the motion passed and ordered that a certified copy of this Resolution be forwarded with the file of this case to the Board of County Commis- sioners for further proceedings. CERTIFICATION OF COPY 1 , Dianne J. Reed , Recording Secretary of the Weld County Planning Com- mission, do hereby certify that the above and foregoing Resolution is a true copy of the Resolution of the Planning Commission of Weld County, Colorado, adopted on June 17 1980 and recorded in Book No. _VII of the proceedings of the said Planning Commission. Dated the 20thday of June , 19 80 X-O/72,h'.e i „C Secretary ��// Planning Commission Recommendation S-187:80:8 Page 2 The Planning Commission's recommendation of approval is subject to the following being included in the final plat application: 1. An Erosion and Sediment Control Plan, which will include the cross sections , slopes and flow capacities for drainageways. This was requested by the West Greeley Soil Conservation District. 2 . The final plat shall show the following: a. Two 15 foot easements on both sides of Colorado Interstate Gas existing easement. b. 15 foot perimeter utility easement along the southern edge of the Subdivision. c. A note that identifies that the Colorado Interstate Gas and Western Slope Gas easements are exclusive easements ; These three items were requested by the Weld County Utilities Review Advisory Committee when it reviewed the preliminary plan on May 22, 1980. Date: June 17, 1980 CASE NUMBER: S-187:80:8 NAME: Highland Park West Investment REQUEST: Preliminary Plan - Highland Park West Subdivision LEGAL DESCRIPTION: Part of the SW'-L, Section 15, T5N, R66W LOCATION: mile southwest of Greeley, south of Highland Hill Municipal Golf Course and North of US Highway 34 Bypass THE DEPARTMENT OF PLANNING SERVICES STAFF RECOMMENDS THAT THIS REQUEST BE Approved FOR THE FOLLOWING REASONS: 1. The prelimianry plan conforms with the requirements of Section 5-4 A, of the Weld County Subdivision Regulations. 2. The following referral entities have reviewed this request and set forth no objections to it: a. City of Greeley Planning Commission, subject to the applicant meeting the city of Greeley Staff's concerns regarding sewer and drainage plans. b. West Greeley Soil Conservation District; c. Colorado Geological Survey provided the recommendations made in the Arix Subsoil Investigation report regarding foundation design, floor slab construc- tion, surface and subsurface drainage, treatment of foundation soils, and the need for inspection of excavations are followed, d. Western Hills Fire Protection District; e. School District #6; . f. Weld County Utilities Review Advisory Committee; g. Weld County Engineering Department. . The Department of Planning cervices Staff recommendation for approval is suhjerr to the following being included in the final plat application. 1. An Erosion and Sediment Control Plan, which will include the cross sections, slopes and flow capacities for drainageways. This was _requested by the West Greeley Soil Conservation District. 2. The final plat shall show the following: a. Two 15 foot easements on both sides of Colorado Interstate Gas' existing easement. b. 15 foot perimeter utility easement along the southern edge of the Subdivision. c. A note that identifies that the Colorado Interstate Gas and Western Slope Ga easements are exclusive easements; These three items were requested by the Weld County Utilities Review Advisory Committee when it reviewed the preliminary plan on May 22, 1980. CC:rg 5/12/80 COMMENTS HIGHLAND PARK WEST INVESTMENT S-187:80:8 To date our office has received one letter of objection to this request from a property owner living within 500 feet of the property under consideration. A copy of the letter is in the attached materials. CC:rg 6/12/80 CASE SUMMARY SHEET Case Number: 5-187 :80:8 P. C. Hearing Date : June 17, 1980 Applicant : Highland Park Investments Property Owner: Same Size of Parcel : 149.92 m/1 Staff Hember to Contact : Chuck Cunliffe Legal Description,: Pt. 5Wa Section 15, T5N, R66W Location : 1/2 mile southwest of Greeley; south of Highland Hills Municipal Golf Course and north of U.S. Hwy 34 Bypass Existing Zoning: Estate Request : Preliminary Plan - Highland Park West Subdivision Possible Issues Summarized from Application Materials: All referral responses positive PRELIMINAIW PLAN ( ' r SUBDIVISION APPLICATION ' Department of Planning Services, 915 - 10th Street , Greeley, Colorado PHONE : 356-.4000 Ext . 404 FOR PLANNING DEPARTMENT USE ONLY: CASE NO. 5—\S1 `SO; to APPL. FEE ZONING DISTRICT ESTp\a RECORDING FEE DATE 1W 71960 RECEIPT NO. APPL. CHECKED BY Caeo TO BE COMPLETED BY APPLICANT: (Print or type only except for required signatures) : I (we) , the undersigned, hereby request a hearing before the Weld County Planning Commission concerning proposed subdivision of the following described unincorporated area of Weld County. LEGAL DESCRIPTION: See attached legal description (If additional space is required, attach an additional sheet of this same size. ) NAME OF PROPOSED SUBDIVISION Highland Park West EXISTING ZONING Estate PROPOSED ZONING Estate TOTAL AREA (ACRES) 146.92± NO. OF PROPOSED LOTS 164 LOT SIZE: AVERAGE 25,000 MINIMUM 20,000 SF UTILITIES: WATER: NAME City of Greeley SEWER: NAME City of Greeley GAS: NAME Greeley Gas Co. , Elec: REA E HLEP PHONE: NAME Mountain Bell DISTRICTS: SCHOOL: NAME School District No. 6 FIRE: NAME Western Hills Fire District DESIGNERS' NAME ARIX ADDRESS 2021 Clubhouse Drive Greeley, rnlnradn PHONE 330-2749 ENGINEERS' NAME ARIX ADDRESS 2021 Clubhouse Drive. Greeley. Colorado PHONE 330-2749 FEE OWNER OF AREA PROPOSED FOR SUBDIVISION NAME Highland Park West Investment ADDRESS 3835 W. 10th Street. Greeley. Colorado PHONE 353-1150 NAME ADDRESS PHONE NAME ADDRESS PHONE I hereby depose and state under the penalties of perjury that all statements, proposals and/or plans submitted with or contained within this ann ication are true and correct to the best of my knowledge. COUNTY OF WELD ) STATE OF COLORADO) Signatu_ e : Owner or Authorized Agent Subscribed and sworn to before me this-go day of Qfi.c.t 19 €O . SEAL NOTARY PUB IC 9 My commission expires: (1Z . i ji,i- , Ilk 804-79-028 WCDPS-78-1 UTILITY SERVICE STATEMENT FOR SUBDIVISIONS ^°RELIMINARY PLAT The following record of utilities shall be processed by the subdivider or his representative as required in Section 6-2 H. of the Weld County Subdivision Regulations. NAME OF SUBDIVIDER OR DEVELOPER Highland Park West Investment Name of Subdivision Highland Park West Agent/Owner Weber Realty Name & Address Richard Weber, 3835 West 10th Street, Greeley, CO 80631 ELECTRIC UTILITY COMP NY r, Q j.1 c Approved by /�{{, Jl:1 e ,111 i; algiat ti ' 5- /?-a3 ( ame) (title) J Date) Subject to Disapproved by (Name) (Title) (Date) WATER Approved by (Name) (Title) (Date) Subject to Disapproved by (Name) (Title) (Date) y SEWER Approved by (Name) (Title) (Date) Subject to Disapproved by (Name) (Title) (Date) TELEPHONE COMPANY Approved by /d#12 etc &2&t C,jy2o,c u22. 3 -/S- Ba (Name) (Title) / (Date) Subject to Disapproved by (Name) (Title) (Date) GAS COMPANY Approved by / GQC1� J-26—86(N e (Title) (Date) Subject to Disapproved by (Name) (Title) (Date) FIRE DISTRICT a Approved by .oc , 7 (Name) ( le) (D te) Subject Disapproved by Qnit-7Q-n95 (Name) (Title ) (Date) "4. ,r • LEGAL DESCRIPTION A TRACT OF LAND LOCATED IN THE SOUTHWEST QUARTER OF SECTION 15, TOWNSHIP 5 NORTH, RANGE 66 WEST OF THE 6th PRINCIPAL MERIDIAN, WELD COUNTY, COLORADO BEING MORE PARTICULARLY DESCRIBED AS FOLLOWS: COMMENCING AT THE SOUTHWEST CORNER (SW COR) OF SAID SOUTHWEST QUARTER (SW 1/4) OF SECTION 15 AND CONSIDERING THE SOUTH LINE OF SAID SOUTHWEST QUARTER (SW 1/4) SECTION 15 TO BEAR N 89 58' 14" E WITH ALL BEARINGS HEREIN BEING RELATIVE THERETO: THENCE N 0 10' 55" W, 40.90 FEET TO THE TRUE POINT OF BEGINNING: THENCE N 0 10' 55" W, 2598.77 FEET TO THE NORTHWEST CORNER (NW COR) OF SAID SOUTHWEST QUARTER (SW 1/4) OF SECTION 15: THENCE N 89 37' 14" E, 2617.65 FEET TO THE NORTHEAST CORNER (NE COR) OF SAID SOUTHWEST QUARTER (SW 1/4) OF SECTION 15: THENCE S 0 15' 56" E, 1519.67 FEET ALONG THE EAST LINE OF SAID SOUTHWEST QUARTER (SW 1/4). OF SECTION 15. THENCE S 89 40' 04" W, 489.60 FEET: THENCE S 0 15' 56" E, 771.05 FEET: THENCE S 64 23' 56" E, 544.11 FEET TO A POINT ON THE EAST LINE OF SAID SOUTHWEST QUARTER (SW 1/4) OF SECTION 15: THENCE S 0 15' 56" E, 94.00 FEET ALONG THE EAST LINE OF SAID SOUTHWEST QUARTER (SW 1/4) OF SECTION 15 TO A POINT ON THE NORTH RIGHT-OF- WAY LINE OF U.S. HIGHWAY 34 BY-PASS: THENCE ALONG SAID NORTH RIGHT-OF-WAY LINE BY THE FOLLOWING TWO (2) COURSES: N 89 46' 38" W. 1794.56 FEET: S 89 58' 14" W. 826.94 FEET: TO THE TRUE POINT OF BEGINNING SAID TRACT CONTAINS 146.92 ACRES MORE OR LESS. fi ." (I- ( C Neal Cerperaer, • PresidentA Professional Corporation N.Kent Baker ARIX Eugene R.Brauer I Engineers Architects Planners Gordon W Bruchner Patrick C Dwyer Robert J Shave Dale J.Steihen e Robert D.Thomas 2021 ClOffubhouse Box 2021 Gary R.Wiindulph Post Greeley Colorado Boz80 Greeley 80631 303 330 2749 May 6, 1980 .N4567�� N2 °=- F'AY 1S80 Mr. Chuck CunliffeOD RECEIVED l; Assistant Zoning Administrator ^ tNlCeee Weld County Centennial Center y 17aeele`Cemtnbe ,J ' 915 10th Street ; Greeley, Colorado 80631 c( � . CI� Dear Mr. Cunliffe: SUBJECT: HIGHLAND PARK WEST, PROJECT NO. 79190.01 Pursuant to Article 5-2-E of the Weld County Subdivision Regulations, we are submitting the following summary statements for the developer: 5-2-E (1 ) Total area to be developed - 146.95 acres. (2) 168 dwelling units (3) No, non-residential floor space contemplated. (4) No off-street parking. (5) 168 units x 3.5 people/unit x 240 gpcpd = 141 ,120 gal . per day (6) a. Flow Contribution - 168 x 4 people/unit x 100 gpd = 67,200 gpd b. 4 x 0.2# BOD = 0.8#/day (7) Estimated construction cost is $1 ,300,000.00, which includes grading, water, sewer, curbwalks, lift station w/force main, electric, gas and telephone service. Financing will be by the principals through their line of credit with local banks. (8) The special districts involved are: a. Water & sewer - City of Greeley b. Electric - Poudre Valley REA and Home Light & Power c. Gas - Greeley Gas Company d. Telephone - Mountain Bell e. Fire Protection - Wester Hills Fire District f. School - School District #6 If there are any questions or you need further information, please call this office. Respectfully, ARIX, A Professional Corporation Arthur F. Uhrich Project Director xc: Dick Weber ' < _ OF FLL , _ _ "1 11 5 © r=_' Ir1. - COLORADO J. psi-4"NOa7C6 •. -rr NOTICE OF PUBLIC NOTICE OF PUBLIC HEARING :commission vr�nnw �onducact ea tat hpuill30 pea to on nvlJune w a 17, 1980 or approval of a reliminary plan for hl n ark We t- The held County Planning Commission will conduct a :WestIision e�na elrk West Investment°n a ing on June 17, 1980 at 1 :30 p.m. to re•swx described as T5N Re6Wuof for approval of a the 6th P.M. Weld county, preliminary plan for Highland Park West Sc°'°mod°c°ntalning146.ez scree more or less. from Highland Park West Investment on a parcel of la Thispubhc hearing to be held D the Weltl County Planning mmiasion for Ne considera- Part of the SW1/4, Section 15, T5N, R66W of the 6th P.M. , Weld Co ≥e°q",esi,.vlb:conduegarin he containing 146.92 acres more or less. Wel County Commissioners' Hearn¢ Room, nnial Floor, 1 th Street. Greeley. Center, Th i S 915 10th street Greeley Colo- public hearing to be held by the Weld County Rceert°tu theteabove �requ e • sion for the consideration of the above referenced . ` emco°mtyn inparmenIfe conducted in the Weld County Commissioners ' Hearingillanh>ri—sernuea; Floor, Weld County Centennial Center, 915 1Oth Stret bet t'cm l°above°rda°teee6a'r' i Colorado. Comments or objections related to the ab(preJune tedati�ei .public h°"'"g ' an 17, tt should be submitted in writing to the Weld County Di ea plea r they pllraUon are Planning Services, 915 1Oth Street, Greeley, Coloratt'1e lan tlFofin°$ectlonN mirvdal before the above date or presented at the public heIC°°ntes ntennia1 Center, 916 (555-4000 etiitenalmleeM) orado June 17, 1980 Chuck Carlson, Chairman. Copies of the application are available for public Weld ib Pe County Department of Planning Services, Room 310, Weld:Centennial Center, 915 1Oth Street, Greeley, Coloraim be published—on-ee tame es=extension 404) . May 15, 1980 Co. Legal 60-66-Planning -- Chuck Carlson , Chairman Weld County Planning Commission To be published in the: -Johnstown Breeze To be published one time by: May 15, 1980 • Received by: 61„0 . Date: ( 2-f (q P'(1 REFERRAL L1 S_ vj o A_)PLi Aaal . Highland Park West Inve:_A .i < CASE # 5-187 80:8 REFERRALS SENT OUT O17: May 7, 1980 ' `E p✓ .ice z 8 ?3EFEFRALS .;D BE RECEIVED BY: May 30, 1980 ta m .. H 'D„:4,-. :- 4 2` ,,,,,,,,,,,,4„ ,,„, 'a� fK,r �s : � �` s�, o c ?REzER tLS RgarECEI ED - c •1 #'�,T r' - .°�..%a�„ 1' T�TTIMtTl .g;' t- f[fI I y X gNM 18 1989�y * county Health . X YAY - a ;; * County Engineer f 's '� * Greeley Planning Commission ,St:/ 1 , a' ., s c/o Ken McWilliams y( AY Sp t� 'Greeley Planning Dept. Civic,.Center Complex Greeley, CO 80631 P.C. 5/27/80 * Colorado Geological Survey X MAY 181989 Roy Junge Rm 703 , Il I .1313 Sherman Street z E";,,,'',..,, ,-,,;:::•-.. s s. A Denver, CO p0203,. ' , ' i , a , s .kj:$ "� " 1t _ " Colorado Dept. of Highways b X '_NAY $9 �Z 1402 2nd Street 1::1:; (44:-'.,.r ,..z , . , . .4 Greeley, CO 80631 = , y ?Y� of t. 4b .1`121"t' jx "��k, .. R^�7il�z �,a.. E t e r,3:- . k s.F a,*.�. ! t .rr .°- A Za t^- 1F. r. ,+ � � .+',� &, ;R ,.4� .,gig, v#,#�; , * �oi3 Gonse�'ti0n $ervl Ce K..'� r a" '�, . _� �i"* , : 302 W x tlit and �` =t tern , �eel e O K80631 :: � �a,, �q� Z'114.141 14 ^ +••�.. ' 1 -,,• o orado" -nterstate Gas CO ky'�; x *Cti... x ice` ,' and Department i fi .' ."r .'Y w § '' ,Y' �Y ,.0,s 8oxj1087 °3 ,�_ , w * �.,% ,. . - o ora.o prings, Cs 4 w � xt ', '" s shy,.. Y ° t .; e ,� '. * dr . . �, �' r Rt4=..gi.• Id- ,:*,••,•-c..,,, 4 '-4,1'x...!"4 r '�} r./ ° i f'44„'t 4.441" ..,114.1,:k .' i� rZ' k° `w ` �!'y i' - L� '• Fyp}ryt N.G„ � 3r fY y�wq}. `. ? 2'r�'. fyr � -1-‘- Y -Ee f ,x,s * Preliminary Drainage Reports 5'.2, ,':fit' .7 ::` ?::(.2 :: 2 Ce: 4' �.•fix' � UZC i r hT 4' U� b' a 4 % kfi i't' r �^`z c�`v` ` si 'y..'i f�« ` & ` " ;, 'Li �: '' Jerry.Kl efe"� £ ~ ", .° ' ne „�,.‘X/17: �;* z,i r 2120:ratrway Lane ,� `� f r ♦ £ k ,, > F' " 1k �y ley 4CO -8063). -10.,---,,&.),ptr * -- c «•04 ., x k �; t;ree • ₹t''ya ..s.:' `dva i= 5. �` t ,- M a w E >ry,s +k.- H 21v i •, .- �'` ,T,.itti x „ ?' t ,�,, :44^4,'..,' ,--"'.*fit z y,1 : y ', r ,- i.. 1'�#1M J' ' 4"''!t4' tl ?'V.e' x f ,.b 144 1,,, -7ia- .. i f>�,e,+-c '"1`• w- ;$11714-4,2 - T a_S1�*.wcBL-.ia ...t..,$' SJ 'kg*:J '," +a,''*lw� ¢. .rtrtYa.aaFEG'� z d. 4,4-'"s' ^.., r d"`.r. . c 'xs1.. #-. .,..t...:M_ra^•m'"�; ... .. ire.` United States Soil ' Department of Conservation ' r Agriculture Service 4302 W. 9th St. Road, Greeley, CO. 80631 June 6, 1980 i Milton Baumgartner, Presi ent West Greeley Soil Conservation District P. 0. Box 86 Greeley, CO. 80632 I have reviewed the Preliminary Plan for Highland Park West Investment, located in the SWi of Section 15, Twp. 5N, Range 66W, south of Highland Hills golf course. The only question I have about the project concerns the drainage plan which involves the routing of storm waters. I would like the final plan to include the cross sections, slopes and flow capacities for drainageways, so that we may determine the erosion potential. An erosion and sediment control plan should also be submitted with the final plan for review. Sin r , i / J / Ronald D. Miller District Conservationist Greeley Field Office RDM:jb xc: Weld County Planning Commission 116910ill cv .RECEIVED. T.7--, 0too pae5,bi tmettl ��l9ZSdUZ42Z��Lh. N. ,, it ° +c �- °c.r'�I�.x��lC rry.1Z®�i�HRli 1° �� nr -sat e-rte +=��a.im:'d St's" _ � r" -+.r -Tr*---;r a _ Y .t r mss. '� a , ss jf am• wxT tapi__ ' ye1,•17 �,G c j,V>L ! ,., -.d ,�-• O.• •" _ton-\ r te T GREELEY CIVIC CENTER GREELEY. COLORADO 80631 PHONE (303) 3536123 May 30, 1980 Charles Cunliffe Assistant Zoning Administrator Weld County Department of Planning Services 915 Tenth Street Greeley, CO 80631 Dear Chuck: The Greeley Planning Commission at its meeting on May 27 , 1980 reviewed the Preliminary Plat for Highland Park West , located south of Highland Hills Golf Course , submitted by Dick Weber . The Commission recommended no objections subject to meeting staff concerns in regard to sewer and drainage concept plans . In addition, the City Engineering Department will be making a recommendation to the County in reference to street names in the subdivision. If you have any questions with regards to this matter, please do not hesitate to contact our office . Respectfully, . C Ken McWilliams City Planner KM:AJ: k a �0.titf327 281g0��J Enclosures ti' tij4 � ria�C. y�980wP oN I F�V� cs l 141/21 QC' `91O1 •74 Et Ztv, "A COMMUNITY OF' PROGRESS" i• • fi 6-510ailta or co "1-•4eSciful FTi9d N O RICHARD D. LAMM * * JOHN W. ROLD GOVERNOR # • * Director 2876 COLORADO GEOLOGICAL SURVEY DEPARTMENT OF NATURAL RESOURCES 715 STATE CENTENNIAL BUILDING—1313 SHERMAN STREET DENVER,COLORADO 80203 PHONE (303)839-2611 May 14, 1980 Mr. Chuck Cunliffe Weld County Department of Planning Services 915 10th Street Greeley, CO 80631 Dear Mr. Cunliffe: RE: HIGHLAND PARK WEST WELD COUNTY We have reviewed the Highland Park West subdivision plat and geotechnical and drainage reports by Arix Corporation. We have noted the layout changes, addition of a central sewage disposal system, and drainage changes to the July 25, 1979 submittal . We have no objection to these alterations. As our letter of July 30, 1979 stated: if the recommendations made in the Arix report regarding foundation design, floor slab construction, surface and subsurface drainage, treatment of foundation soils, and the need for inspection of excavations are followed, we have no objection to approval of this application. Sincerely, Julia E. Turney Engineering Geologist JET/gp cc: LUC \0516 17 787 oCN- MAY 1980 a rn ma RECEIVED 'N cC Weld Couut cm O Manning Commissln GEOLOGY X STORY OF THE PAST . . . KEY TO THE FUTURE a the Dire a o 3e cl fa `Mt :s ve / of m -en -71, 2frPt 4- hut 7/-rae-t— .222 -Z ed 4. { Mailing List S-187 Lawence Levenson Michael & Dawna Swanson 3405 16 St. 5516 24 St. Grly, Co. 80631 Greeley, Co. 80631 Gilbert & Paula Sydney John & Maxine Shupe 2317 58 Ave. 5427 24St. Greeley, Co. 80631 Greeley, Co. 80631 John & Carol Bartlett Glenn & JoAnne Hansen 1418 30th Ave. 304 19 Ave. Ct. Greeley, Co. 80631 Greeley, Co. 80631 Walter & Grace Cole Vern & Terri Mitchell 2335 Fairway Lane 5522 24 St. Greeley, Co. 80631 Greeley, Co. 80631 George Bargelt Faye Lundvall 2341 Fairway Lane 2201 95th Ave. Greeley, Co. 80631 Greeley, Co. 80631 Rene & Georgia Morgan Frank & Melita Martinez 5728 24th St. 1757 30th St. 111 Greeley, Co. 80631 Greeley, Co. 80631 Donald & Ethel Miller International Church of the Foursquare Gospe 5722 24 St. 5316 24th St. Greeley, Co. 80631 Greeley, Co. 80631 Barry & Vicki Williams Donald & Geraldine Fickenscher 5710 W. 24th St. 5314 24th St. Greeley, Co. 80631 Greeley, Co. 80631 Harry & Helen Cross Burl & Elsie Huitt 2300 51 Ave 5312 W. 24th St. Greeley, Co. 80631 Greeley, Co. 80631 William & Susan Hurt Nancy Hartley 5630 W 24th St. 5232 24 St. Greeley, Co. 80631 Greeley, Co. 80631 Charles & Bessie Miller Frank & Darlene Keppeler 5600 W. 24 St. 1832 26th Ave P1. Greeley, Co. 80631 Greeley, Co. 80631 Van & Diane Kratzenstein Erna Eberle 5520 W. 24 St. 2318 54 Ave Greeley, Co. 80631 Greeley, Co. 80631 t:. Page 2- S-187 Paul & Marjorie Huber - James & Jacquelyn Caihoon 2322 54 Ave 5719 W. 24 ST. Greeley, Co. 80631 Greeley, Co. 80631 Melvin & Katherine Prothe Edward & Shirley Manz 2326 54 Ave 2131 25 St. Greeley, Co. 80631 Greeley, Co. 80631 Neil & Mildred Maxwell Jerry & Moneth Piper 5317 W. 24 St. 2320 58 Ave Greeley, Co. 80631 Greeley, Co. 80631 Samuel & Myrtle Telep City of Greeley 2315 54 Ave 919 7 St. Greeley, Co. 80631 Greeley, Co. 80631 Hjordis Wolfe Jmes & Joan Beemer 2321 54 Ave 2401 52 Ave. Ct. Greeley, Co. 80631 Greeley, Co. 80631 Jerry & Patricia Pope Timothy & Diane Cole 2325 54 Ave 2403 52 Ave Ct. Greeley, Co. 80631 Greeley, Co. 80631 Floyd & Opal Cummings Highland Park Inc. 5515 W. 24 St. 2249 13 St. Greeley, Co. 80631 Greeley, Co. 80631 Emanuel & Emanuel, Jr. & Eleanor Gangaware Francis & Sayra Compestine 1948 29 Ave 2110 23rd St. Greeley, Co. 80631 Greeley, Co. 80631 Robert & Jackie Sigg Richard & Mary L antz 2205 27 Ave % Northern Colo. Savings Greeley, Co. 80631 P.O. Box N Greeley, Co. 80631 Jerry & L nda Morgenson 5629 W. 24 St. Glen & Willma Palmer Greeley, Co. 80631 2410 52 Ave. Ct. Greeley, Co. 80631 Kenneth & Rosilind Olds 5629 W. 24 Ave Fred & Gloria Keil Greeley, Co. 80631 2416 52 Ave Ct. Greeley„ Co. 80631 Hollis & Kathryn Stone 2518 16 Ave John & Velda Hornberger Greeley, Co. 80631 2420 52 Ave. Ct. Greeley, Co. 80631 JER 26St. & Greeley Bypass William & Lucy Hopkins Greeley, Co. 80631 2424 52 Ave Ct. Greeley, Co. 80631 Page 3 S- 187 Dennis & Tara Frank _ David & Leola Gibson 2428 52 Ave. Ct. 3004 W. 6 St. Greeley, Co. 80631 Greeley, Co. . .80631 Dan & Ruth We:tzcl James & Priscilla Dech 2500 52 Ave Ct. 6012 W. 26 St. Greeley, Co. 80631 Greeley, Co. 80631 Leroy & Janice Leavitt Thomas & Lorenza Sena 5207 25 St. Rd. 5960 26 St. Greeley, Co. 80631 Greeley, Co. 80631 Dale & Linda Vasenius Neil & Claudia Keddington 5203 25 St. Rd. 6048 23 St. Ct. Greeley, Co. 80631 Greeley, Co. . 80631 Ray & Margaret Speaker Richard & Carole Cutshall 5217 W. 26 St. 5948 23 St. Ct. Greeley, Co. 80631 Greeley, Co. 80631 Charley Graham Jeffery & Susan Hancock DBA Cobra Construction 1401 38 Ave 5201 26 St. Greeley, Co. .80631 Greeley, Co. 80631 Wayne & Loretta Webster Richard & Darlene Jones 6017 24 St. 1746 Juniper Ave Greeley, Co. 80631 Torrance, CA. 90503 Herman & Dorothea Kliewer Conrad & Edna Smith 2501 20 St. Rd. 5937 W. 28 St. Greeley, Co. 80631 Greeeley, Co. 80631 Robert & Carole Hummel Barry, Karen, & Klien LaPoint 5910 24 St. 5927 W. 28 St. Greeley, Co. 80631 Greeley, Co. 80631 Robert & Laura Belleau Albert & June Renfro Box 1148 5917 W. 28 St. Estes Park, Co. 80517 Greeley, Co. 80631 Harold & Nicole Potter Bryan & Claudia Shaha 5940 24 St. 5907 W. 28 St. Greeley, Co. 80631 Greeley, Co. 80631 Richard & Nancy Mollander William & Mancy Waller 2503 W. 18 St. Rd. 5991 W. 26 St. Greeley, Co. 80631 Greeley, Co. 80631 Robert & Frances Gilbert ETAL Timothy & Beverly Dhooge 1318 47 Ave 5951 26 St. Greeley, Co. 80631 Greeley, Co. 80631 f Page 4 S-187 Josephine Jones 2631 52 Ave Ct. Greeley, Co. 80631 School Dist. #6 1416 9 Ave Greeley, Co. 80631 Howard & Nancy Grothjan 5216 26 St. Greeley , Co. 80631 JAR Group 2628 Belair Greeley, Co. 80631 Century Corp. P.O. Box 1850 Greeley, Co. 80631 Heirs of Harry & Emma Lesser 6330 49 ST. Greeley, Co. 80631 Jack & Ruth Stephenson 2 Denver Avenue Johnstown, CO 80534 George & Barbara Conger 5800 W. 24th St. Greeley, CO 80631 Barry & Vicki Williams c/o Empire Savings P. 0. Box 1122 Greeley, CO 80631 4 A Professional Corporation ARIXEngineers Architects Planners I1 Clubhouse DrWe GrereeleY Colorado 00631 SUBSOIL INVESTIGATION SOUTHWEST QUARTER (SW1/4) OF SECTION 15 TOWNSHIP 5 NORTH, RANGE 66 WEST WELD COUNTY, COLORADO I Derpenter' A Professional Corporation President N.Kent Barter Eugene R.Brauer ,® Engineers Architects Planners • Patrkk Oaaon\'y Bruckner Raley C.Dwyer RE121 Robert J.Shreve Dale J.5techen Robert D.Thomas 2021 Clubhouse Drive Gary R Wndolph Greeley.Colorado 80631 303 956 4644 May 8, 1979 Mr. Sherwood W. Neal Webhan Corporation 3835 West 10th Street Greeley, Colorado 80631 Dear Mr. Neal : SUBJECT: Highl?nd Park West Project No. 79 1 ENG 0130 We are submitting our report of a subsoil investigation as you requested, located in the Southwest Quarter (SW 1/4) of Section 15, Township 5 North, Range 66 West of the 6th Principal Meridian, Weld County, Colorado. Our report explains the existing subsoil conditions and suggests methods of handling the planning and construction for the proposed single family residences. If you have any questions or are in need of further information regarding this report, please feel free to contact us. Respectfully, ARIX, A Professional Corporation rthur F. Uhrich Project Director AFU/kav TABLE OF CONTENTS • Page Scope 1 Field Investigation 1 Laboratory Investigation 2 Site Conditions 2 Groundwater 2 Subsoils 3 Building Foundations 3 Floor Slabs and Other Slabs on Grade 4 Treatment of Foundation Soils 5 Sulfate Resistant Cement 6 Limitations 6 Test Boring Locations EXHIBIT 1 Test Boring Logs EXHIBIT 2 Consolidation Tests EXHIBIT 3,4,5,6 & 7 Summary of Laboratory Tests EXHIBIT 8 SCOPE This report presents results of our subsoil investigation located in the Southwest Quarter (SW 1/4) of Section 15, Township 5 North, Range 66 West of the 6th Principal Meridian, Weld County, Colorado. The purpose of this investigation was to determine those soil conditions and characteristics which would affect the utility of the soils and foundation design of the proposed structures. Data gathered through field and laboratory work are summarized and tabulated in Exhibit Nos. 1 through No. 8 attached. FIELD INVESTIGATION Test borings were made April 5, 1979, at the locations shown on Exhibit No.. 1, to obtain data concerning existing soil conditions and to obtain samples for laboratory use. Sixteen holes were drilled with a truck mounted power auger equipped with a four-inch bit. Penetration data were gathered using the Standard Penetration Test, ASTM D 1586. This test is made by driving a two-inch split spoon sampler with a 140-pound weight falling 30 inches. The blows required to drive the sampler 12 inches are referred to in Exhibit No. 2 as blows per foot. The test borings were located to best reflect representative general conditions at the site, and to obtain specific data at each location sampled. Test borings were taken to the approximate depths below the surface shown on Exhibit No. 2. Disturbed samples of each soil type encountered were obtained for laboratory analysis. As each boring progressed, a log was kept on which was recorded such information as field classification of soils, sample locations, depth to groundwater table, if any, and other pertinent data. These logs are reproduced on Exhibit No. 2. -1- LABORATORY INVESTIGATION The laboratory phase of the investigation included the verification of field soil classification, determination of soil gradations by mechanical analysis, Atterberg Limits, natural moisture content, and consolidation- swell characteristics of foundation material . These test results are summa- rized on Exhibit No. 8.. SITE CONDITIONS The 160 acre parcel under investigation is situated on a ridge that separates the drainage between the Cache La Poudre River Basin and the South Platte River Basin. 95% of the drainage is toward the South Platte River Basin. The site is presently uncultivated pasture land located west of Greeley, Colorado. It is surrounded on the north and east sides by Highland Hills and Highland Park Subdivision, Westridge Subdivision is along the west side. It is bounded on the south by U.S. Highway 34 By-Pass. The Greeley- Loveland canal traverses through the southern portion. The topography is considered gently rolling with the majority of surface drainage in a southerly direction. Adequate drainage is available provided that proper grading and landscaping are observed. GROUNDWATER Evidence of groundwater was not encountered at the time of the investigation. However, no borings were made below the Greeley-Loveland Canal due to the wet condition of the area from the heavy snows a few days prior to our drilling. - 2 - We must bring to your attention, that the canal is dry during the winter months and we anticipate that groundwater will be present in those borings adjacent to it. Plastic tubing was inserted in two borings adjacent to the canal to verify groundwater depths during the irrigation season. The bedrock elevation is relatively high and could create a "perched" water table as this area is developed and lawn sprinkling becomes heavy. There- fore we recommend that perimeter drains be located around deep footings with basements. The cost of a perimeter drain is negligible compared to the expense of ruined household articles and providing some means of relief after a house is completed and lived in for a number of years. SUBSOILS Our analysis reveals the soils to be relatively uniform over the area investigated. They consist primarily of silty to clayey sands over the Laramie Formation of sandstone-claystone bedrock. The upper mantle of clayey and silty sands range from non-plastic to slightly plastic. These soils are generally quite stable at moisture contents appreciably below optimum, however, they become very unstable and lose bearing capacity at moisture contents above optimum. The claystone portion of bedrock which is laminated with sandstone is expansive, with swell potentials from 500 to 6,000 pounds per square foot. BUILDING FOUNDATIONS Our analysis of field conditions and test results indicate the use of conventional footings located below maximum frost penetration and on natural ground. Shallow footings at 3 to 4 feet in depth should be - 3 - • designed for a maximum allowable bearing capacity of 1,000 pounds per square foot including live load. Basement footings located in the silty to clayey sands should be designed for a maximum allowable bearing capacity of 2,000 pounds per square foot including live load. Footings located in the bedrock should be either caissons or isolated pads supporting grade beam walls. A maximum allowable bearing capacity of 15,000 per square foot including live load has been assigned to this material with a recommended dead loading of 5,000 pounds per square foot to be maintained on the foundation soil in order to minimize uplift pressure if a water source becomes available. It is also recommended that the footings extend at least 3 feet into the unweathered portion of bedrock. A four inch void form should be placed underneath the grade beams between caissons cr isolated footings to minimize uplift forces causing damage to structural members. FLOOR SLABS AND OTHER SLABS ON GRADE The foundation soils are subject to volume change and since little uplift pressure or differential settlement is required to cause unsightly cracks in floor slabs, the following precautionary measures are deemed necessary: 1. Over excavate areas where floor slabs will be located on the Laramie Formation at least 3 feet and replace with non-swelling granular backfill . Backfill should be placed in loose lifts not to exceed 8 inches and compacted to at least 90% of maximum dry density as established in accordance with ASTM D698. 2. Preclude the entrance of an outside water source underneath slabs. _ q _ 3. Eliminate underslab plumbing where possible and where unavoidable, thoroughly pressure test and take other precautions necessary to minimize leaks. 4. Separate floor slabs completely from bearing walls, columns and footings. 5. Appropriate provisions should be made in large floor slabs for shrinkage cracks. TREATMENT OF FOUNDATION SOILS Precautions should be taken to assure that the moisture content of the foundation soils is maintained at a relatively constant level . Excava- tions shall not be allowed to remain open long enough to allow appreciable drying below natural moisture content, and the exposed foundation material should be protected from wetting from any outside source. The conventional method of water settling backfill should be avoided at this site. Backfill should be placed in loose lifts not to exceed 8 inches and compacted to at least 90% of maximum dry density as established in accordance with ASTM D698. This procedure should be followed until backfilling has been placed in such a manner that there is at least a 10% grade away from the foundation wall for the first 20 feet. Plantings and shrubbing requiring heavy watering should be placed in beds well beyond the limits of backfill in order to minimize the migration of groundwater to the footing level . Wetting of foundation soils should be prevented after construction. Methods of accomplishing this include thorough compaction of all backfill around structures, provisions for discharge of roof downspouts and other water - 5 - collection systems well beyond the limits of all backfill, and any other procedures deemed necessary to maintain a stable moisture content. Exca- vations should be made only large enough to provide necessary working space in order to hold the area requiring backfilling to a minimum. SULFATE RESISTANT CEMENT Analysis indicates a sulfate concentration in excess of 0.10 percent water soluble sulfate (SO4) in the soil samples. Therefore, Type II cement should be used in concrete exposed to this soil . LIMITATIONS The exploratory data presented in this report were collected to help develop designs and cost estimates for this project, and thus may not represent adequate information for indicating underground conditions for contractor bidding or construction. We recommend considering exploratory work to reveal underground conditions well enough to enable contractors to more accurately evaluate conditions for bidding and execution of work after designs have been prepared. Professional judgements on design alternatives and criteria are presented in this report. The judgements are based upon our evaluation of actual conditions encountered at the location indicated herein, and upon our extrapolations thereof, together with our interpretations of conditions generally characteristic of this area. We do not warrant the accuracy of such extrapolations and interpretations beyond the limits of the tests performed or where actual physical conditions were not observed. Test borings drilled for this investigation were spaced to obtain a reason- ably accurate respresentation of subsurface conditions for design purposes. _ 6 _ 1 Variations from the conditions disclosed which were not indicated by the test explorations frequently occur and quite often these variations are sufficient to necessitate modifications in design. Therefore, if different materials are encountered the owner or builder should be certain that the foundation conditions are adequate and within the scope of this report prior to proceeding with any construction. Under the above conditions, it is important that we inspect the subsurface materials exposed in excavations to take advantage of all opportunities to recognize differing conditions and minimize the risk of having undetected conditions which would affect the performance of the facility. If you have any questions or are in need of further information regarding this report, please feel free to contact us. Respectfully, C-E MAGUIRE, INC. Prepared by: a/1_ 741.a Arthur F. Uhrich Approved by: i ialfelje /4,, ots-CT �/� George B. Kellison, P.E. 07. Fo Oy * - 10130 * I Nk1147 9T<(.�/4vm. ENk 0.P�O` QF C0I0% 1 ,, HIGHLAND PARK WEST 4— �� •�J '• 1J I 'Hi H/ YLMlI Yrwo15 7- r _�� L,)I�.. �� V ) ‘. • arII6�- I --- �'ft r.�.a 'III �� —•re I �� 1 'I �I IINT° \ I ' I� �i �- S �" � k . I t \\ ri ��a V A\A # ;r f I1 - ' `' FfTs - - mow• • ■ ' F �i _ ► �� R A1V A L\ c _ 0 F i I — F - 1 - I Is 117 Si 4 •444 \� 1R.R BtZ? • TEST BORING LOCATION MAP 791-ENG-0130 - EXHIBIT No. 1 .11. 4 ' - 4900 El . 4902 3 : ' TEST BORING LOGS • . 7/12 4895 - 8 - ill - // T.H.1 T.H.2 El . 4890 El . 4890 T.H. 3 4890 ../ El 4889 .. 14 / 20/7 -- 3-1/2 14/12 3 2" 3/12 3 "ji 4885 - _ - 8-1/2 ' 15/12 17/12 8 % / .:.? , - 13 -14-1/2 ;1 14 t/ 123/12 13 4 14 7 I 4870 • 791 - ENG- 0130 EXHIBIT No. 2 I • TEST BORING LOGS 4935 - T.H.5 El . 4933 j 4930 • : 4 17/12 4925 • 8 Al21/7 4920 14 / 128/9 T.H.8 El . 4918 2 4915 3 18/12 4910 T.H.6 8 El. 4909 /23/12 3 4905 •-;.12/12 T.H.7 El . 4904 14 4900 8 /. 2.1/9 3 26/12 11 '4895 14 /118/6 8 23/12 48n0 14 ./4A 24/12 791 - ENG- 0130 EXHIBIT No. 2 TEST BORING LOGS 4975 T.H.9 El . 4932 7-77 ■-4930 3 A 7/12 1.4925 8 / T.H.10 /4118/9 . EL 4923 497.0 / 3 / LJ 12/12 14 A - 4915 //, T.H. 11 T.H.15 8 • ' 1 17/12 El . 4914 El . 4914 3 '8/12 3 /11 6/12 -4910 14 . ' 121/12 A 4905 8 /3/12 8 /37/12 4900 14 127/12 14 133/12. 4895 791-ENG-0130 EXHIBIT No. 2. TEST BORING LOGS 1-4915 - 4910 ^-4905 T.H. 14 El . 4901 T.H. 12 7 4900 El . 4900 7 3 )5/12 8/12 4895 / T.H.13 E1 .4892 8 A21/9 4890 • Al 28/12 3 7112/12 14 /123/9 4885 / A 8-1/2 -)17/12 4880 :/ 14 . .11 4870 791-ENG-0130 EXHIBIT No. 2 TEST BORING LOGS 4955 T.H.16 El . 4951 .4950 D p. 3 ' R ' 18/12 4945 8 / 4940 14 l 40/12 4935 LEGEND 4930 V'_.1 Sand, Silty 121 Gravel , clay -,/sand /1 Clay kmLayered or varying CL-SC ra Alternate layers of Claystone and Sandstone j� Weathered Claystone Gravel IStandard Penetration Test Shelby Tube Sample 791 -ENG - 0130 EXHIBIT No. 2 • • CONSOLIDATION TEST - - ---- _ I I F`xnan- ion j n r Constant Press re t e ro Ilett ung i " i I , i 1 .0 - T ti ! ! x 2.0 — } {-+o w - -h- 1- - ) - - - C-1 - - -T-i - ---f--- -a- {-i i4-- — --;— j 2 -T - - 1 _ Li . -- 1 I^ C - d 1 1 1 - - - ! 1 2 3 4 567891 2 3 4 567891 2 3 4 567891 (x 100) (x 1,000) (x 10,000) Pounds per square foot APPLIED LOAD TH 1 @ 13-1/2' In-place dry density 112.7#/ft3 Natural mositure 17.6% Voids Ratio 0.50 Soil Type CL • . 79 1 ENG 0130 Exhibit #3 • CONSOLIDATION TEST {-----IlliExlars o filer Consitant 1� 1 .0 --- _ pr's tire u . to wetfiinct I } t —r -+jil--MN , fir - t- �� i r , z 1 .00 I _ t i rthi , i , t. 7 .7 { 1 2 3 4 567 - 1 _, L - -i ' ' II 89 1 2 3 4 5 6 78 91 2 3 4 5 6 7 891 (x 100) (x 1,000) (x 10,000) Pounds per square foot APPLIED LOAD TH408' In-place dry density 117.6#/ft3 Natural Moisture 15.0% Voids ratio 0.43 Soil Type CL 79 ENG 0130 Exhibit #4 CONSOLIDATION TEST —--I( ___ 1 .0fr_ .s. ur'e Idufi to Nettjina _,_, 1, - ; I ! g 0.nO- - \ r -I- -T -,+ t- 1 ill , I to -- � at _ �-- -4-H- 1 0 1 .0 I--1-. �- w i _ 1- I Yom.. - I -}--- f}- —_- -1 1-; 1 Vii— 1 2 3 4 5 6 7 89 1 2 3 4 5 6 78 91 2 3 4 5 6 7891 (x 100) (x 1,000) (x 10,000) Pounds per square foot APPLIED LOAD TN 12 0 13' - In-place dry density 107.0#/ft3 Natural moisture 20.6% Voids ratio 0.58 Soil Type CL • • 79 1 ENG 0130 Exhibit #5 CONSOLIDATION TEST I_„ 4 - II o.oO - --_ i _„ , ___, r. 1 .0 Li ' _: EE-: EJ ' ' -- -2.0Se ,t'enen-! Tinder Constan I-4 - — - - Pr .s<_yne' di ito Uetrina ! I ,i.0 3.0 — it-t- o z — j t 41-- 4.0 1 —r — 144-F- IX i IT Lrifit _ j - — __ _ TIE .I - HC I -- - 1 = _ 1 2 3 4 5 6 7 89 1 2 3 4 5 6 78 91 2 3 4 5 6 7 891 (x 100) (x 1,000) (x 10,000) Pounds per square foot APPLIED LOAD TN 13 0 13' • In-place dry density 99.7#/ft3 Natural moisture 12.4% Voids Ratio 0.66 . Soil Type SC • 79 1 ENG 0130 Exhibit #6 , • CONSOLIDATION TEST — l nanlsion ifln earCo-nstarit j ressure ig .iit`i-Witting T r j z 0.0 O --r- ---f ` _ __7- t-- - - . Ir_-� +- T` ' I 0 1 .0 I + l - - } I -- --f-- - I H • 1 -i-+1- i j I 1 z 1 1 a 2.0 - -_-_ — 4_ r.1.}___ a -- 1 _L_ C -I L - I I 1 2 3 4 567891 2 3 4 5 6 78 91 2 3 4 567891 (x 100) (x 1,000) (x 10,000) Pounds per square foot APPLIED LOAD TH 16 @ 8' In—place dry density 101 .5#/ft3 Natural moisture 2.2.,1%, Voids Ratio 0.66 Soil Type CI. . 79 1 ENG 0130 Exhibit #7 t O �_N M_ ~ 0 V- U J J M J 0 J r+- N 0 0 N C) N 0 CD •.- C a O= W . H v r 01 a • Y Y • W 1••••• 10 0 1.•••• U1 0 W N • I Z U 10 W O 1 el .^-1 I 0 01 0 01 0 r O.. 1 .-1 el el e U • U 0 N W IC+OJ 0 S.. . d r 10 0 p CO 00 1.0 1.O •r V• - I It) e I V) 10 10 Y•- Y I I • O 10 I 0 0 I 0 0 0 C> 0: H 4) Y 0)> a 0 C W O W•" •ff 1•-1 U N V) 0 0 N 0 In I I I. ,-- L in 0 M 01 e N. I I ¢ W W 100 M 171 01 N CO I 1 CD W 0- 0- 0 r 1.•i 2 N N V) 4k O N W T • W O IZ-1 M Y t a M X + N = In U W .-1 ff J N Y••"'v n e1 t0 • 1 1 r .0 h-1 Y C 0• U1 1 1 10 •1- N •E ff ro•-•-• n n N. •- W a 1 1 I X -Jr.- O W CL O > 0 L > O W .0 L et .1 Y O Y V C t Y•= Y W 1.n ¢ 0 E N .•-• 0 > 01 I I to P... Z N.. 1 1 W 1O L0 10 L q J J N M Ct M a W O L W n 10 0 0 O L C 0 lik_ W.... W H L L O C S- 7 C t • • t • c. •-• 10 L Y W • I • I U U J N Y 1 1l to I O N N •O IV 0• 0 •--1 I NN I .- N 1 W W Z2U y y Y VI C Y 0 111 U Y W CO LO• W M M M 00 a- CD CO el W M .-I N 1--I • O N W N a N W W a 4.- F a >) Y .0 .0 W W L r- O N 1-i a .y N M t0 Y X W 0 a .-1 .-i I•-1 .-1 0 a Geologic Hazard Investigation On Highland Park West for WEBHAN CORPORATION SCOPE This report is the results of our geologic hazard investigation of the Highland Park West, The SW 1/4 of Section 15, T 5 N, R 66 West of the 6th P.M. , Weld County, Colorado. The purposes of this investigation was to find which, if any, of the geologic hazards named in H.B. 1041 are present at this site and to determine their effects on the proposed development for single family residences. LOCATION The 160 acre site under investigation is approximately 1 .5 miles west of Greeley. It is bounded on the north by Highland Hills Subdivision, on the east by Highland Park Subdivision and on the west by Westridge Subdivision. U.S. Highway 34 (28th Street) forms the south boundary line. FIELD INVESTIGATION The site was investigated on April 5, 1979, and sixteen test borings were made to obtain information on the subsurface strata. The logs of the borings and the results of the laboratory analysis of the subsurface materials may be found in our separate Subsoils Investigation for Webhan Corporation. TOPOGRAPHY The site is a gently rolling prairie near the top .of the divide between the Cache La Poudre and South Platte Rivers at an elevation of approximately 4,950 feet. Slopes are in the 3% to 5% range. Drainage is to the south towards the South Platte. Total relief of the area is 90 feet. -1- GEOLOGY • The surface geology of the area consists entirely of a mantle of light brown eolian silts and clays containing some fine grained sand. This loessial layer varies from six to sixteen feet in thickness. The undulating contact between the eolian sediments and the underlying claystone-sandstone represents a previous erosional surface. The brown-gray claystone-sandstone is slightly weathered and of varying thickness and is assumed to belong to the basal part of the Laramie formation. Our borings encountered inter- mittent layers of soft sandstone and claystone throughout the area. GEOLOGIC HAZARDS A Geologic Hazard is defined in H.B. 1041 as "a geologic phenomenon which is so adverse to past, current, or foreseeable construction or land use as to constitute a significant hazard to public health and safety or to property." Several of the specific hazards listed in H.B. 1041 are not applicable to this location because of its gentle topography. A. Seismic Activity - All of Colorado is in Seismic Risk Zone 1 (Minor Damage) . There is no history or evidence of seismic activity in this vicinity. B. Ground Subsidence (Hydrocompaction) - Ground surface collapse can occur in wind deposited silts as a result of excessive wetting of dry soils with a high void ratio. The thin eolian deposits on the surface of this site are not expected to pose any hazard of this nature. Some slight settlement is expected during the course of construction as the dead load of the structure is applied. C. Expansive Soil and Rock - The volumetric expansion of "swelling clays" is usually a result of increasing the water content of the clay. If the -2- - water content remains uniform no expansion or shrinkage will occur. The weathered claystone found beneath the wind deposited mantle exhibits a high swell potential in the upper portion. The lower portion does not indicate this because of the naturally higher moisture content. The entire claystone layer has the potential to swell and shrink if the water content fluctuates. If foundation designs are properly engineered, potential damage can be avoided. Landscape planting and site grading for drainage should follow the recommendations of a competent soils engineer. D. This site does not, at present, display a water problem due to its classification as pasture land. However, as irrigation of lawns increases as the area is developed, groundwater may become "perched" over bedrock creating problems after construction has long been completed. Therefore, groundwater stability should be initiated early enough to avoid any serious problems. CONCLUSIONS A. The geology of the site is a relatively thin mantle of wind-deposited fine grained alluvial material overlying a layer of weathered claystone- sandstone with a high swell potential . B. The only significant geologic hazard at this location is the presence of a highly expansive material in the subsurface that can cause damage to structures. Groundwater may become significant later, during development. C. The swelling soil hazard can be prevented if foundations are designed properly. D. No hazards exist to preclude the use of this site for residential homesites. -3- 1 • water content remains uniform no expansion or shrinkage will occur. The weathered claystone found beneath the wind deposited mantle exhibits a high swell potential in the upper portion. The lower portion does not indicate this because of the naturally higher moisture content. The entire claystone layer has the potential to swell and shrink if the water content fluctuates. If foundation designs are properly engineered, potential damage can be avoided. Landscape planting and site grading for drainage should follow the recommendations of a competent soils engineer. D. This site does not, at present, display a water problem due to its classification as pasture land. However, as irrigation of lawns increases as the area is developed, groundwater may become "perched" over bedrock creating problems after construction has long been completed. Therefore, groundwater stability should be initiated early enough to avoid any serious problems. CONCLUSIONS A. The geology of the site is a relatively thin mantle of wind-deposited fine grained alluvial material overlying a layer of weathered claystone- sandstone with a high swell potential . B. The only significant geologic hazard at this location is the presence of a highly expansive material in the subsurface that can cause damage to structures. Groundwater may become significant later, during development. C. The swelling soil hazard can be prevented if foundations are designed properly. • D. No hazards exist to preclude the use of this site for residential homesites. -3- ' REFERENCES Hamilton, Judith L., and Owens, Willard G. : Geologic Aspects, Soils and Related Foundation Problems, Denver Metropolitan Area, Colorado; Colorado Geological Survey, 1972. Hart, Stephen S. : Potentially Swelling Soil and Rock in the Front Range Urban Corridor, Colorado; Colorado Geological Survey, 1974. Rogers, W.P. , Ladwig, L.R. , Hombaker, A.L. , Schwockow, S.D. , Hart, S.S. , Shelton, D.C. , Scroggs, D.L. and Soule, J.M. : Guidelines and Criteria for Identification and Land Use Controls of Geologic Hazard and Mineral Resource Areas; Colorado Geological Survey, 1974. C Neal Carpenter. Pr aMent • PA Professional Corporation N.Kent Baker Eugene R.Brauer Person w eryenam MO Engineers Architects Planners Patrick C.Dwyer Robert Robert J.Shrew Dale J.Steichen • Robert O Thomas 2021 Clubhouse Drive Gary R.NM1n&1ph Greeley.Colorado 80631 303 356 4444 May 25, 1979 Mr. Sherwood W. Neal Webhan Corporation 3835 West Tenth Street Greeley, CO 80631 Dear Mr. Neal : SUBJECT: HIGHLAND PARK WEST, PROJECT NO. 79 1 ENG 0130 • Submitted are the results of our preliminary percolation rate tests at the captioned site. Four 3-foot deep borings were made at the locations of four soils exploration borings. These locations are shown on the accompanying Location "lap. The shallow borings were pre-soaked for a 24-hour period prior to the performance of the percolation rate test. The tests were run in compliance with the Weld County Health Department requirements, the results are tabulated as follows: Percolation Rate Boring No. Minutes/Inch Depth of Test 1 40 3 4 40 3 • 14 13 3 16 20 3 Groundwater was not encountered during our investigation, depth of bedrock is shown on the accompanying Boring Log Exhibit. In general , we do not foresee any problems in the construction of leach fields at this site. Naturally, every site will require percolation rate tests in order to adequately size their septic tanks and leach fields to suit their needs. If there are any questions or you are in need of further information, please call . Respectfully, • ARI A Professional Corporation Arthur F. Uhrich Project Director Enclosure: Exhibits 1 & 2 HIGHLAND PARK WEST • A a! 6 crli 13 J ! 1a r ' _ t1, c ' ; gi t ice. (to 1 k 1 1 � ‘P r � I I 12 E - - � .mow . .,._ ._i 1' e f w I \` - , i > I T _ l %� � r _'�' :! 11I III^� - � .N. r A r +1 T TH.7 t _" � � 8 1' "mil . �' � __'__ - __ � - 4 it r is `..._:,3 • • - F t —j 1, i r` t -,.rte , ��z- r r or tt ` - _ -. * It iH. I _ TH. p` •-• :3, , TH; 4 \'€- " i -- .' ‘ ..., O PERCOLATION HOLES PERCOLATION TEST LOCATION MAP 79I-ENG-0130 EXHIBIT No. I r r r SIM r r r r Pm! A Professional Corporation ARIXI Engineers Architects Planners ,. 2021 Clubhouse Drive Crosby,Colorado 80631 See PRELIMINARY DRAINAGE REPORT HIGHLAND PARK WEST SUBDIVISION WELD COUNTY, COLORADO r •C Noel Caine A Professional Corporation � n nt E W.er& mRats N.Kent Baker Engineers Architects Planners Petrick C.Dwyer Robert J.Shreve ARIX WS J.Swam Robin D.Thome 2021 GUM Drive Gay R.Windpipe Poll Grim Box Sox 2021 . Greeley.303 330 2749 80631 March 24, 1980 Weber Realty Company 3835 West Tenth Street Greeley, Colorado 80631 Gentlemen: ' SUBJECT: PRELIMINARY DRAINAGE REPORT, HIGHLAND PARK WEST SUBDIVISION, PROJECT NO. 79 1 ENG 0130 We have prepared a preliminary storm drainage report for the proposed subdivision in the Southwest Quarter (SW 1/4) , Section 15, Township 5 North, Range 66 West of the Sixth Principal Melidian. THE SITE The site is located on the summit of three separate drainage basins. The basin in the northwest corner of the subdivision is only 3.2 acres and will only drain the back yards of the lots on the cul-de-sac. No change in flow volumes is expected in this basin. The other two basins are the north basin that exits the subdivision at the northeast corner of the tract and the south basin that exits across bypass Route 34 in a culvert The north basin is a 49 acre drainage area that leaves the tract on the northeast corner and flows east through Highland Park Subdivision and across Highland Hills Golf Course. Most of the south basin flows into the Greeley-Loveland Ditch which -• traverses the southern portion of the site . Approximately 60 acres of the southern basin is above the ditch. The tract is unirrigated range land with sandy soils. The Soil Conservation Service indicates soils at the site -have high infiltra- tion rates ranging from 6 to 20 inches per hour. DESIGN CRITERIA The City of Greeley drainage design criteria was used in the computa- - tion of the drainage facilities. The detention ponds were sized by limiting outflow from the pond to the peak discharge from a 5-year undeveloped flood on the site, while a 100-year flood on a developed site is flowing into the pond. The difference in these flows is stored in the pond until the storm passes. Weber Realty Company page - 2 March 24, 1980 The relative small size of the basins permitted use of the rational method for the computation of the peak discharge rates. The modi- fied rational method was used in the computation of the storage volumes of the detention ponds. In the rational computations the following variables were used: Undeveloped Land "C" Factor = 0.10 Developed Land "C" Factor = 0.30 Frequency "C" Factor = 1 .25 Intensity = 2.10 inches/hour - All surface drainage will cross side streets in gutter pans, there- fore, no culverts will be required, - DETENTION STORAGE The peak discharge rate from the north basin ; for a five year undevelop- ed storm is 4.41 cubic feet per second (cfs) , The peak discharge rate can be controlled by the installation of a 10 inch. corrugated metal pipe which will meter out the 4.41 cfs under a 4 foot head. The volume of detention storage required to reduce the peak outflow to 4.41 cfs while the basin is experiencing a 100 year flood is 4.31 acre feet. The pro- posed detention pond discharges into Highland Park Subdivision and is shown on Exhibit No. 2. For the south basin the required detention storage was calculated to be 3.29 acre feet with the maximum release rate of 5.60 cfs. Operating under a four foot headwater depth, a 12 inch corrugated metal pipe, will release approximately 5.50 cfs, The pond discharges under the Greeley-Loveland ditch into a drainageway that conveys the discharge to the Route 34 bypass ditch. The runoff then flows west in the roadside ditch to a 30 inch culvert under the highway. CONCLUSIONS AND RECOMMENDATIONS The two detention ponds indicated on Exhibit No. 2 will permit the development of Highland Park West and still conform to the City's maximum release requirement. The standard street section will be determined prior to final design in a work session with the City of Greeley. Water con- veyed in the streets will cross intersections in the City's standard valley gutter, therefore, no culverts will be required. Respectfully, • _ ARIX, A Professional Corporation �O FST R�QQ CD 9857 = Gerald F. 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