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Home My WebLink About800959.tiff • • /q-gc RESOLUTION RE: APPROVAL OF PRELIMINARY PLAN FOR JACK COY. 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 19th day of May, 1980, the Preliminary Plan of Jack Coy was submitted to the Board of County Commissioners of Weld County, Colorado for approval in accordance with the Subdi- vision 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 pre- sented in support of the approval of said Preliminary Plan for the following described real estate, to-wit: Part of the Northeast Quarter of Section 16, Township 5 North, Range 65 West of the 6th P.M. , Weld County, Colorado WHEREAS, the petitioner was present, and WHEREAS, the Board of County Commissioners has studied the request as submitted, and having been fully informed, is satis- fied that the submitted Preliminary Plan conforms in all respects with the requirements of Section 5 of the Weld County Subdivision Regulations. NOW, THEREFORE, BE IT RESOLVED by the Board of County Com- missioners of Weld County, Colorado that the Preliminary Plan of Jack Coy for the abovedescribed real estate be, and hereby is, approved contingent upon the recommendations and conditions as recommended by the Weld County Planning Commission on May 6, 1980 . BE IT FURTHER RESOLVED by the Board of County Commissioners that the reasons for approval contained in the Weld County Plan- ning Commission recommendations dated May 6, 1980 be, and hereby are, adopted as the findings of fact of the Board of County Com- missioners in this matter. 800959 • • The above and foregoing Resolution was, on motion duly made and seconded, adopted by the following vote on the 19th day of May, A.D. , 1980. BOARD OF COUNTY COMMISSIONERS WELD COUNTY, COLORADO (ABSENT) C. W. Kirby, Chairman _ (ABSTENTION) Leonard L. Roe, Pro-Tem 4-22I-O-w..q__. dowL f-- (Aye) Norman Carlson (Aye) 'a Dun ar Aye) e t. t inmark, Temporary Chairm �y�ATTEST: // ( Weld County Cirlerk and Recorder and Clerk to the B By: r duty County Clerk !J-4P )044:::::10 FORM: County Attorney DATE PRESENTED: MAY 21, 1980 BEFO•THE WELD COUNTY, COLORADO PLANOG COMMISSION RESOLUTION OF RECOMMENDATION TO THE BOARD OF COUNTY COMMISSIONERS Date May 6_ 1980 Case No. S# 185.80:6 APPLICATION OF ,lack C. y ADDRESS 1817 9th Street, Greeley, CO 80631 Moved by Bette Kountz 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 Sub l M9n U Plat Preliminary Plan located on the follOWTI 'scn 6�ed pro- perty in Weld County, Colorado, to-wit: l Pt. of the NEa, Section 16, T5N, R65W ,AY GREELEI. COLO. be recommended (favorably) ) to the Board of County Commissioners for the following reasons: 1. The preliminary 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; b. West Greeley Soil Conservation District; c. Colorado Geological Survey; d. Western Hills Fire Protection District; e. School District #6; f. Weld County Utilities Review Advisory Committee; g. Weld County Engineering Department. The specific recommendations and/or conditions for approval of the various referral entities are addressed as conditions for approval . Motion seconded by Bob Halleran Vote: For Passage Bette Kountz Against Passage Bob Halleran _ Fred Otis Don Billings Bob Ehrlich 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 I, Bobbie Good , 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 May 6, 1980 and recorded in Book No. VII of the proceedings of the said Planning Commission. Dated the 8th day of May , 19 80. Secretary Planning Commission Recommendation • Jack Coy S-185:80:6 Page 2 The Planning Commission's recommendation for approval is conditional upon the following items being included in the application for the final plat. 1. If curbs, gutters and sidewalks are required by the City of Greeley then design plans for the constructions of these items will be in accordance with the City of Greeley's requirements . 2. The dedication of 30 feet of right-of-way along 20th Street and Cherry Avenue. 3. Individual septic systems shall be designed so that they can connect to a municipal system when it becomes available. 4. The following statements being placed on the final plat: a. The lowest elevation of any door or window openings shall be constructed at least 18 inches above the centerline elevation of 20th Street or Cherry Avenue unless changed by the design in condition #1. b. The construction of basements shall not be permitted. Garden level structures may be permitted. c. Recommendations contained in the soils and foundation investigation report by Empire Laboratories, Inc. Project #3899-80 shall be followed during the development of the Subdivision. A copy of the report is on file in the office of the Department of Planning Services . Jack Coy V.G.G. Subdivision Preliminary Plan COMMENTS: Our office has received one letter from an adjacent property owner concerning utility cuts in the roadway. The Utility Review Advisory Committee will address this matter at the final plat stage. CC:dr 5/2/80 • • Date : May 6, 1980 CASE NUMBER: S-185:80:6 NAME: Jack Coy REQUEST: Preliminary Plan - V.G.G. Subdivision LEGAL DESCRIPTION: Part of the NE1 of Section 16, T5N, R65W LOCATION: Southwest corner of East 20th Street and Cherry Avenue THE DEPARTMENT OF PI2iNNING SERVICES STAFF RECOMMENDS THAT THIS REQUEST BE Approved FOR THE FOLLOWING REASONS : 1. The preliminary 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; b. West Greeley Soil Conservation District; c. Colorado Geological Survey; d. Western Hills Fire Protection District; e. School District #6; f. Weld County Utilities Review Advisory Committee; g. Weld County Engineering Department. The specific recommendations and/or conditions for approval of the various referral entities are addressed as conditions for approval. The Department of Planning Services Staff recommendation for approval is conditional upon the following items being included in the application for the final plat. 1. Design plans for the construction of curb, gutter and sidewalks in accordance with the City of Greeley Standards. 2. The dedication of 30 feet of right-of-way along 20th Street and Cherry Avenue. 3. Individual septic systems shall be designed so that they can connect to a a municipal system when it becomes available. 4. The following statements being placed on the final plat: a. The lowest elevation of any door or window openings shall be constructed at least 18 inches above the centerline elevation of 20th Street or Cherry Avenue. b. The construction of basements shall not be permitted. Garden level structures may be permitted. c. Recommendations contained in the soils and foundation investigation report by Empire Laboratories, Inc. Project #3899-80 shall be followed during the development of the Subdivision. A copy of the report is on file in the Office of the Denartment of Plannino SPrviroa_ • • Jack Coy V.G.G. Subdivision Preliminary Plan COMMENTS: Our office has received on letter from an adjacent property concerning utility cuts in the roadway. The Utility Review Advisory Committee will address this matter at the final plat stage. CC:rg 5/2/80 m oRAn®um' riEbee To Chuck Cunliffe Date May 1, 1980 COLORADO From subject: V.G.G. Subdivision (De Vore Letter) Points made in Dennis De Vore ' s letter of April 10, 1980 regarding utility cuts are well taken. I thing the Utility Board should address the problem. Based on their suggestions we could make some restrictions on extending taps and street repair at the Final Plat stage. Drew Scheltinga X12 i31.A2 A Engineering Manager � •DS/mm T E x`80 \ Fig �f Wit,46,°h FO 5:1 Nr6 C°mmfat, �w 91 5la1f�� x CASE SUMMARY SHEET Case Number: S-185 :80: 6 P. C. Hearing Date : May 6, 1980 Applicant : Jack Coy Property Owner: Same Size of Parcel : 4. 04 acres Staff Member to Contact : • Chuck Cunliffe • Legal Description : Pt . NE* Sec. 16, T5N, R65W Location: Southwest corner of E. 20th St . & Cherry Avenue Existing Zoning: Estate Request : Preliminary Plan - V.G.G. Subdivision Possible Issues Summarized from Application Materials: 1 . County Engineers recommends finished floors or basement window openings be at least 18 inches above adjacent street because of drainage conditions in area. 2 . City of Greeley recommended approval subject to curb, gutter and sidewalk constructed to City standards and dedication of right-of-way along 20th Street and Cherry Avenue. 3. Colorado Geological Survey recommends against basement construction and ti individual septic systems be designed so that they can hook into a municil system when it becomes available. rfLLLJULNAKY PLAN • IIPSUBDIVISION APPLICATION ' Department of Planning Services, 915 - 1Oth Street , Greeley, Colorado PHONE: 356-4OOO Ext . 4O4 FOR PLANNING DEPARTMENT USE ONLY: CASE NO. 5-494511V)\41 APPL. FEE ili140. 00 ZONING DISTRICT Eslak}L RECORDING FEE N q DATE (; ;' 203 RECEIPT NO. VD(eq t APPL. CHECKED BY Coto. 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 Sheet (If additional space is required, attach an additional sheet of this same size. ) NAME OF PROPOSED SUBDIVISION V,G,G, Subdivision EXISTING ZONING Estate PROPOSED ZONING TOTAL AREA (ACRES) 4,04 NO. OF PROPOSED LOTS 5 LOT SIZE: AVERAGE 15. 172 S. F. MINIMUM 26,864 UTILITIES: WATER: NAME City of Greeley SEWER: NAME Septic Tanks GAS: NAME Greeley Gas Co. PHONE: NAME Mountain Bell DISTRICTS: SCHOOL: NAME School District No, 6 FIRE: NAME Western Hills DESIGNERS' NAME ARIX, A Professional Corporation ADDRESS 2021 Clubhouse Drive, Greeley, CO 80631 PHONE 330-2749 ENGINEERS ' NAME AR1X, A Professional Corporation ADDRESS 2021 Clubhouse Drive Greeley. CO 80631 PHONE 330-2749 FEE OWNER OF AREA PROPOSED FOR SUBDIVISION NAME John 0. Coy ADDRESS 1817 9th Street, Greeley, CO 80631 PHONE 351-6301 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 aunlication are true and correct to the best of my knowledge. COUNTY OF WELD /1 / STATE OF COLORADO) Sigrl"d.ture : Owner outhorized Agent Subscribed and sworn to before me this 75th day of January 1980 SEAL NOTARY )?UBLIC My commission expires: gete`'jctc 2, (C'6" 8O4-79-O28 WCDPS-78-1 UTILITY ELOMENT REVIEW STATEMENT F0••UBDIVISIONS PRELIMINARY PLAT The following record and utility easements shall be processed by the subdivid or his representative as required by the Weld County Utility Advisory Committ A copy of the preliminary plat shall accompany this statement for review and approval of the proposed utility easements by utility agencies listed below. This Utility Easement Review Statement shall be submitted in addition to the letters required in Section 5-2D of the Weld County Subdivision Regulations . NAME OF SUBDIVIDER OR DEVELOPER COY REALTY Name of Subdivision VGG Subdivision Agent/Owner John 0. Coy 1817 9th Street Name and Address Greeley, CO 80631 / ELECTRIC UTILITY COMPANY �/ ` p Approved by .if y�/ / 77z'ef/�' 4-‘1-, X9-7 .--:c1/ /`Y (Name))} Title) 7 (Date) Subj ect to Gt �c <�L �l ,> . G», ter. 2.4.4e,,,„,7, /0/:,„2-% ,i-ct ? �G Disapproved by (Name) (Title) (Date) (WATER Approved by /1„ G /'/ Name) �� (Title) (Date) Subject o Disapproved by (Name) (Title) (Date) ' SEWER glif \ g / LApproved by � • `� /. E U 'fot, w 4J ea7IA t. f( a e (Title) ate) Subject to • Uorglo/P ubv."_?sS7. 7> -ewr /31aaS Disapproved by (Name) (Title) (Date) TELEPHONE COMPANY . 1 /CQ / Approved by Gl/,GGc(�' - .r,� /42, Q-Z C--ea:. cc.. ,r-rua-t. 2 - - t'd (Name) (Title) / (Date) • Subject to Disapproved by (Name) (Title) (Date) GAS COMPANY 4St Approved byT •tl o7- �' . N e (Ti (Date) Subject to Disapproved by (Name) (Title) (Date) _ FIRE DISTRICT Approved b ;_7 /Z, - 1,,;_ c ,2 - 9-a pp y Name 7 (Title) (Date) Subject to Disapproved by (Name) (Title) (Date) 4 • C Neat Carpenter, A Professional corporation President N.Kent Baker ''''�� Eugene R.Brauer �� 7`� Engineers Architects Planners Gordon 1.Bruchner e ©� 4d• D 9 Patrick C.Dwyer J Robert J.Shreve Dale J.Steichen 2021 Clubhouse Drive Robert a Thomas Post Office Bo Gary R.we.dolph 2021 Greeley,Colorado 80631 303 330 2749 February 5, 1980 Mr. Jack Coy Coy Realty 1817 9th Street Greeley, CO 80631 • Dear Jack: • • SUBJECT: V.G.G. SUBDIVISON, PROJECT NO. 77226.00 • Pursuant to Chuck Cunliffe's request on Item 2 of a letter dated • February 1 , 1980, we are sending the following information: Section 5-2E (1) Area to be developed is 4.04 acres (2) 5 dwelling units (3) No non-residential floor space (4) No off-street parking (5) 5 units x 3.5 people/unit x 100 gpd = 1 ,750 gal . total development (6) a. 3.5 x 75 gal . = 263 gal/day/unit b. 3.5 x .210 BOD = 0.7# BOD/day (7) a. Streets = $ - 0 - b. Water Services = $ 4,000 c. 5 x $3 000 = $15,000 Septic System d. 410 ydi x $2.50/yd3 = $ 1 ,026 Enclosed are pages 19 and 20 of the Weld County Subdivision Regulations for reference if you would like to enlarge upon this response. Respectfully, ARIXX, Professional Corporation \1ccit)),(7L 181 .c O"' MA21980 Arthur F. Uhrich, L.S. RECEIVED Project Director• vl o, ca:y%id Ca tit AFU/njw'w • �, Planing ConmiSslsr Enclosure: As Noted Abovet." - C y£Z w'✓e C PNeal Carpenter, -- A Professional Corporation R Kent linker e I, R.B eer Engineers Architects Planner! , Gordon W.6 ucnner Patrick CJ Shrove Dwyer Robert J. Daie J Slecnen Robert D.Thomas 2021 Clubhouse Drive Gary R.Wmdolph Post Office Box 2021 Greeley,Colorado 80631 303 330 2749 January 10, 1980 Mr. Jack Coy Coy Realty 1817 9th Street Greeley, Colorado 80631 Dear Mr. Coy: SUBJECT: PRELIMINARY DRAINAGE REPORT - V.G,G. SUBDIVISION PROJECT NO. 77 1 ENG 0226 This preliminary drainage report has been prepared for Coy Subdivision, a part of the northeast quarter of Section 16, Township 5 north, Range 65 west of the Sixth Principal Meridian. The major purpose of this report is to address the problem of storm water runoff and storage, in order to meet the requirements for storm water storage, as set forth by the City of Greeley. Those requirements are that a developer store the runoff, from a 100 year storm, on a develc ed site, while releasing the peak discharge from a 5 year storm on the undeveloped site. On this site, the term "undeveloped" will refer to the site as it now exists. Existing Site The existing site consists of slightly more than four acres in the south- west corner of the intersection of East 20th Street and Cherry Avenue. The site is very flat, with an average slope of ,3%, and is used mostly for pasture. It presently drains to the southeast into a low area, where it ponds and infiltrates into the ground. The soil is sandy loam with an infiltration rate of approximately 3.4 inches per hour. There is one existing house in the northeast corner of Lot 4 of the subdivision. Design Criteria The Rational Method was used to determine the peak discharge rate from the site. The Modified Rational Method was used to determine the require detention pond storage. The runoff coefficients ("C" values) were: Undeveloped Site (Existing = 0. 15 (Very flat pasture, granular soil ) Developed Site = 0.30 (Sparsely populated) Rainfall values were taken from a tabular form of frequency-intensity- duration data prepared by the City of Greeley and based on the "Greeley Comprehensive Drainage Plan, 1974" data. r• • S Mr. Jack Coy page - 2 January 7, 1980 Proposed Design The maximum release rate for the site was computed to be 0.55 c.f.s. (cubic feet per second) . The release rate is not a valid factor, how- ever, due to the lack of a positive outlet for the stormwater. To release water into the present sump, in the front of Lot 5 and in front of the house south of Lot 5, would compound an undesirable situation. It was decided to construct detention infiltration basins at the rear of Lots 1 , 2, and 3, and interceptor ditches flowing into each basin along the lot lines. These basins have a total storage capacity of 11 ,081 cubic feet, approximately the same as the 11 ,124 cubic feet of total runoff from the 100 year, one hour duration storm. The critical volume, considering an infiltration from the bottom of the basins of 0.57 cubic feet per second, occurs at 90 minutes and requires a storage volume of 9,360 cubic feet. Lot 5 has an existing sump, near Cherry Avenue, that is currently pond- ing water. Filling of this sump could create problems to the property south of Lot 5 by reducing the storage capacity of the sump. Avoiding this sump will require that the house constructed on Lot 5 be set back 130 feet from the centerline of Cherry Avenue. Recommendations Houses in the proposed subdivision can be protected from flooding with the construction of the detention-infiltration basins indicated in this report. The house on Lot 5, however, will require special siting and elevation to avoid problems . The detention and infiltration basins will retain water for a short period after a major storm, but with the lack of a positive outlet the only other options are a storm sewer several hundred feet long or a pumping station to lift the water out of the sump. The high infiltration rate makes the detention-infiltration basin approa< practical . Respectfully, w,✓✓��````.v ARIX, A Professional Corporation � / o`'"' ir lJ ' l�JC\ I�� 9657 1o ,t Z1U : Gerald F. lJorral l ate/ Colorado Registered Professional Engineer Ho. 9857 \�SION0.vG G ff OF p` CUE SR h- CPY �.. JOB NO.7'I-t'EAJL]-DZZ . MO X PROJECT 5v )`J 5 ERBI 4 'Zoe CALCULATIONS FOR STorii QuM,Ac AAJO 5 AJ'c. MADE BYTA F cal-01-13-79 CHECKED BY DATE SHEET Or LOCf1714N of _.5VDDIV)S)o,J cPST}hEAST -Cot?JJER of SEC, 1Lv T-$-}J� I ! I � -__ R-c5-w1 V9: nit-e 5ovni of •1ft—& G 'kOvc cEHEETE y l I 5)EE ! OF ._Svanvi51D,J ..336 X 533'_ ._. . _ 4,04 ACefs To DETER_I1UJE ;DETETJT)CMJ STDRFlc,E . .P5C M. 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Ill , x ' 2 #' = 54,?3 x1(0 = 59(o5 .-43 fi of - � ( Ao) ( ] o i.0t .2 ! I : I 1gD . d0u --- ' 44,O fC - 4Z& I I I I _ d = I4r_Z . . z l� ' -I- VO/ =r7(l,2/ +20cl.z� x.? )0 =34-;'& xI /O = 374911 _!_ i I I c),(244 - ft 4?E:8 d1 _ C4i' t64� 1)01l50 ! 3(08 -3 //1O/57 5v i o M - A-F ,4264 O SID 2 1-()_t_ 1 105 a2O =. 2I LOTZ 110 ` «cD toi 3 /45 x ZO = , Zco �2 . 77O x 3,4.„-- rri _ . 3 sue % _ _ , O/ v�y , 0..-� re -POs , U- 1µ-10 n�-,-) 4 !Ltl't:ULAL L10_ •• O APPL•ANT Jack Coy H CASE # S-184 : 80 : 5 REFERRALS SENT OUT ON: March 21 , 1980 z U REFERRALS TO BE RECEIVED BY: April 18, 1980 C [a la H V. H Z 1 e L-7 H p, h FLY V_+ O U ti c REFERRALS RECEIVED MAR 271.990 County Health • )( APR 18 M' - County Engineer . Greeley Planning Commission )kc/o Ken McWilliams APR 11 1 Civic Center Complex Greeley, Colorado 80631 Colorado Geological Survey Ray Junge ),( APR 21980 1313 Sherman Street Room 703 Denver, Colorado 80203 Soil Conservation Service X APR 16 11.8P Ron Miller 4302 West 9th Street Road Greeley, Colorado 80631 Bette Kountz 22708 Weld County Road 52 Greeley, Colorado 80631 School District #6 • c/o Paul Bisel X AJAR 28 1980 811 15th Street Greeley, Colorado 80631 • • • • " EITIM lintin OR A n DU ill • To rhark rtiin1iffa Date'B COLORADO From Drew srleltin a subject:V r; n Suhdi vi Ginn Preliminary P] an A site inspection shows there is no positive drainage in a wide area around the site. The drainage sump ponds seem to be the only reasonable alternative, however, drainage from adjacent properties could find its way to the sumps. Therefore, I suggest a restriction be imposed on the final plat requiring finished floors or basement window openings be, at least 18 inches above adjacent street. Drew Scheltinga ;`\tr . '^ mfm /4 > p tr Jv F.ra RECENEO wel8 Counl9 planning�o n• ilsston 4r� • 7 • • 4302 W. 9th St. Road, Greeley, CO. 80631 April 11, 1980 Milton Ba ar er, President West Gree ey S it Conservation District P. O. Bo 86 Greeley, o 80632 I have reviewed the Preliminary Plan for Jack Coy, V.G.G. Subdivision, four acres located in the NE1 of Section 16, Twp. 5N, Range 65W, south- west corner of 20th Street and Cherry Avenue. The preliminary plan seems consistent with soil characteristics as described in the soils report prepared by Empire Laboratories. The recommendations in that report shou34 be adhered to in construction and lot grading and shaping. The site drainage plan seems reasonable, except for the inconsistency of the • infiltration rates used in calculation of the storm runoff detention plan, compared to those found in the soils report, especially for lot 3. The soil report indicated a no percolation rate for lot 3, yet the infiltration used for all detention basins is 3.4 inches/hour. The soils investigation was made in January, 1980, when it was very cold and snowy, and weather conditions may have had some affect on the test results. I suggest that prior to the final plan, actual on-site infiltration tests be made to determine actual site conditions. The design of storm runoff detention seems very reasonable and feasible, providing actual infiltration rates as proposed can be duplicated on the site. I would recommend this preliminary plan be approved. S rely, Ronald D. Miller District Conservationist ' Greeley Field Office Ae cc: Weld County Planning Cormissior/ REM:jb III- - t .r'. al_ tl l . ft ter ,.I J " S.?. y�{I��iitY@i�t L'''``.2 v rt7'; «- C{ r l h t' ate-,. -:,-;--4-f , , ) --, fmss. * " y`r,. ' u �a� is%: /2`x 1i..it t GREELEY CIVIC CENTER GREELEY. COLORADO 80631 PHONE '303] 3536123 �21,WE/,'ip,, April 11 , 1980 : ., l ' b\J 4 o\ IN. Pe A.0o`'1,Soo _'I Charles Cunliffe co C� co �� tii Assistant Zoning Administrator to €2_ ,o, �v�`°� ti Weld County Department of Planning Services cc' ��,4 - 915 Tenth Street cl,, '0aLi Greeley, CO 80631 EEu£5CBCL Dear Chuck: The Greeley Planning Commission at its meeting on April 8 , 1980 reviewed the request by Jack Coy for a preliminary plan on the V. G . G. Subdivision located southwest of 20th Street and Cherry Avenue. The Commission recommended no objections subject to the provision of curb , gutter, and sidewalk constructed to City standards along 20th Street and Cherry Avenue , and in addition the dedication of 30 feet of right- of-way along 20th Street and Cherry Avenue. If you have any questions with regards to this matter, please do not hesitate to contact our office . Respectfully, Ken McWilliams City Planner KM: ka E` °A COMMUNITY OF PROGRESS" ?"' efitiAtto gie N O RICHARD D. LAMM * * - JOHN W. ROLL GOVERNOR ** Director 7876 COLORADO GEOLOGICAL SURVEY DEPARTMENT OF NATURAL RESOURCES 715 STATE CENTENNIAL BUILDING-1313 SHERMAN STREET DENVER,COLORADO 80203 PHONE (303)839-2611 - :';l ?Ye) March 31 , 1980 ,o „' j APR i'383 •c c .' =� RECEIVED I Weld Ccurt� Mr. Chuck Cunliffe C leniue Com^+issiae Weld County Department of Planning Services 915 10th Street61c/7 81, ` il ,3r Greeley, CO 80631 Dear Mr. Cunliffe: RE: V.G.G. SUBDIVISION WELD COUNTY We have reviewed the soils and foundation investigation by Empire Laboratories, Inc. and the drainage study by ARIX for V.G.G. Subdivision. The recommendations made by Mr. Sherrod in the Empire Labs report regarding foundations, gradings, backfill , and landscaping should be closely observed. Due to the number of holding ponds,during periods of high runoff the groundwater table may become higher in this area. Because of this we recommend against basement construction on any lot and suggest that each lot have septic systems sited and designed by qualified sanitarians. Additionally, we recommend that individual septic systems be designed so that they can hook into a municipal system when it becomes available. If these recommendations and those listed in the reports are followed, we have no objection to approval of this plat. Sincerely, f— clitwns • Julia E. Turney Engineering Geologist JET/gp cc: LUC • • GEOLOGY • STORY OF THE PAST . . . KEY TO THE FUTURE • BOARD OF HEALTH . Weld County Health Department David Nerking, DOS, Greeley William Blick, Roggen Charles W. Juels, MD, MPH 1516 HOSPITAL ROAD Fran Christensen, Eaton Director GREELEY, COLORADO 80631 A.M. Dominguez, Jr., JD, Greele7 (303)353-0540 Annette M. Lopez, Greeley Herschel Phelps, Jr. MD, Creels' Kathleen Shaughnessy, PHN, Ault March 27, 1980 Arthur G. Watson, Platteville i John M. Wheeler, Greeley TO: Chuck Cunliff �} - FROM: John G. Hal vvv SUBJECT: Prelimina Plan - VGG Sub. Area appears adequate for conventional septic system. However, lot 3 has percolation problems and will require additional testing or an engineer design. .t• . N R !_ •_ . DEPARTMENT OF PLANNING SERVIC (121 PHONE (303) 3564000 EXT, 915 10TH STRI 1..1 O GREELEY, COLORADO Sc COLORADO PUBLIC NOTICE . NOTICE OF PUBLIC ' HEARING NOTICE OF PUBLIC HEARING The Weld County Planning Commission will conduct .a - pubic hearing on May 9,1980 at 1:80 p.m.to review a request for approval of a preliminary plan The Weld County Planning Commission will conduct a ] 1pr V.G.G. Sa alrcel flpm Jack .Gy on a Da talon om ing on May 6, 1980 at 1 :30 p.m. to re` 'MN' 65Wo PL 7vhp.m, . l desc ibex of the 8thp.m„Weld for approval of a acres more or less. fmnga.04 pp preliminary plan for V.G.G. Subdi acreamoreorlesa. This public hearing to be held •from Jack Coy on a parcel of la' byy me Weld =Count Planning Con of the forme efere ceg req of me above referenced'- Pt. NE'%, Sec: 16, T5N, R65W of the 6th p.m. , Weld Col Welds foutbye cCommUdoners containing 4. 04 acres more or less. Weld aunty°centen ialcentOeer, 915 Comments Street, ,J t Greeley,yColiom This public hearing to be held by the Weld County P: shou besuo°ltteal wrltingto sion for the consideration of the above referenced 3 pew,id„°OS'er';ces, 1e fa„f conducted in the Weld County Commissioners' Hearing beforet'ume°atoveO1°daate o Floor, Weld County Centennial Center, 915 10th Strec o ye allot!public hearing Colorado. Comments or objections related to the abc Copies of the application are should be submitted in writing to the Weld County De the Debran= oif` lannlinin8 Planning Services, 915 10th Street, Greeley, Colorac Counte8bentenniai center,915 before the above date or presented at the public he <at'59 O otreeet,67rion U&F.olorado, May 6, 1980 Chairman Chuck County Carlson, Commission Copies of the application are available for public 1 To be published In the the Department of Planning Services, Room 310, Weld 'Jib bibeet°ubllshea one.ttme by Centennial Center, 915 10th Street, Greeley, ColoradAPrn 198° extension 404) . JCoo. egaall S0-1- Planning �°' Chuck Carlson, Chairman Weld County Planning Commission To be published in the: Johnstown Breeze To be published one time by: April 3, 1980 Received by: (Fact,( (,(/ % h J Date: -3 -3( -SO 10, 4C.< ;4; • Esnl Estate Apprasers and Consultants • Cottonwood Commons East• Suite 300•1770 25th Avenue•Creeley.Colorado 80631 303/352-1114 Dennis G.DeVore - -r' , J April 10, 1980 /c/coy } ` ' keee Mr. Chuck Cunliffe \c- eth,C °°ry CO Assistant Zoning Administrator ,•�� °04'tio Department of Planning Services ��' Weld County, Colorado �5`SZvC . 915 Tenth Street Greeley, Colorado 80631 Re: Jack Coy Preliminary Plan for V.G.G. Subdivision in NE+ of Section 16, Township 5 North of Range 65 West Dear Chuck: I have not seen the filing plat for Jack Coy's subdivision at the corner of 20th • Street and Cherry Avenue, but as I understand most of the lots will border 20th Street. If this is the case, I would like to make the following suggestions and at least bring to your attention, a matter of much concern to me. As I understand, there will be three or four lots bordering 20th Street. In addi- tion, I believe there is another lot that will run east and west just north of my property on Cherry Avenue. Assuming the plat is approved, I believe there will be a tremendous disturbance to the roadway in front of the lots on 20th Street when making the service connections to the underground utility lines. I am almost certain the water line lies on the north side of 20th Street. To reach this, each lot owner will have to make a separate road cut across the full width of the street to tap the line. I am not sure of the location of the natural gas line but believe possibly it is also on the north side of the street. If so, it is conceivable the two full width road cuts for each lot may be required. 1f there are four lots on 20th Street, this could - conceivably, result in eight, full-width road cuts in a 200-300 foot stretch of the street. • I realize that road cuts occasionally have to be made to gain access to buried utilities and that they are normally filled with patching material. However, I believe this situation is slightly different in that the large number of cuts can 1 Mr. Chuck Cunliffe April 10, 1980 Page -2- be planned for and the developer can be required to mitigate the damage or replace the road. The existing asphalt is brittle and I don't believe patching would be adequate, especially with this large number of cuts. It seems to me that the developer should be required to remove the asphalt from this section of roadway, make the taps and extend the services, then re-pave it. The lot facing Cherry Avenue does not present this problem. The natural gas line is in the borrow ditch on the west side of the road. The water line will require about a 4-foot roadway cut but generally this line lies towards the west edge of the paved roadway. If properly patched; I don't believe one small road cut such as this would present nearly the problem encountered on 20th Street. Thank you for the chance to present my suggestions , and I really have no other objections to the subdivision, itself. I hope you can give this matter some consideration at your hearing. • Very, ly yours , ''2 ennis G. DeVore DGD:mp • Jack Coy S-185 : 80 :6 SURROUNDING PROPERTY OWNERS March 27, 1980 Dennis and Judi Devore Milford and Margaret Copeland 2045 Cherry Avenue 1217 East 20th Street Greeley, Colorado 80631 Greeley, Colorado 80631 Melvin and Martha Howard Dan Leahy 2119 Cherry Avenue Box 277 Greeley, Colorado 80631 Kellogg, IA 50135 Donald and Mary Kelly Leland and Josephine Laing 2003 Bluebell Avenue 1103 East 20th Street Greeley, Colorado 80631 Greeley, Colorado 80631 Douglas and Dorothy Uyemura Kent and Nelda Brownlee 1116 East 20th Street 1135 East 20th Street Greeley, Colorado 80631 Greeley, Colorado 80631 Kenneth and Betty Hundley Delbert and Judith Adkisson 2114 Bluebell Avenue c/o United Bank of Greeley Greeley, Colorado 80631 P.O. Box 1057 Greeley, Colorado 80631 Wellington and Lorena Ferrell 2128 Bluebell Avenue Ray Kane Greeley, Colorado 80631 1201 East 20th Street Greeley, Colorado 80631 Alan and Susan Gettman 1903 Cherry Avenue Alvin and Ruby Fuss Greeley, Colorado 80631 1133 East 20th Street Greeley, Colorado 80631 Arliss and Donna Powers c/o United Mortgage Company Jimmy and Joann Heinze 1000 10th Street 1131 East 20th Street Greeley, Colorado 80631 Greeley, Colorado 80631 H. D. and Lillian Scott Dexter and Helena Shull 1923 Cherry Avenue 1125 East 20th Street Greeley, Colorado 80631 Greeley, Colorado 80631 Lawrence and Dorothy Cieloha Raymond and Grace Ginther 1931 Cherry Avenue 1121 East 20th Street Greeley, Colorado 80631 Greeley, Colorado 80631 Sheldon and Hattie Wormuth B. R. and Lola Richardson c/o United Mortgage Company 1846 Cherry Avenue 1000 10th Street Greeley, Colorado 80631 Greeley, Colorado 80631 William and Carla Dudley Leo and Edna Meyer 1308 East 20th Street 1221 East 20th Street Greeley, Colorado 80631 Greeley, Colorado 80631 C. M. and Hamako Miyoshi Route 4, Box 313 2120 Cherry Avenue Greeley, Colorado 80631 Jim and Linda Mathews and Leonard and Billie Roe 1502 9th Avenue Greeley, Colorado 80631 David Overstreet 1932 Chestnut Avenue Greeley, Colorado 80631 • • ' sr f ' 111 REPORT OF A SOILS AND FOUNDATION INVESTIGATION FOR ARIX, A PROFESSIONAL CORPORATION GREELEY, COLORADO PROJECT NO. 3899-80 RE: COY PROPERTY • GREELEY, COLORADO BY EMPIRE LABORATORIES, INC. 214 NORTH HOWES STREET FORT COLLINS COLORADO 80521 1 TABLE OF CONTENTS Table of Contents i Letter of Transmittal Report 1 Appendix A A-1 Test Boring Location Plan A-2 Key to Borings A-3 Log of Borings A-4 Appendix B B-1 Consolidation Test Data B-2 Summary of Test Results B-4 Appendix C C-1 i Branch Offices Empire Laboratories, Inc. 1242 B Branch d f ices lace MATERIALS AND FOUNDATION ENGINEERS Longmont,Colorado 80501 P.O. 60. 1135 214 No.Howes Fort Collins,Colorado 80522 (303) 7763921 • P.O.Box 429 (303)484-0359 3751 Nation Way January 22, 1980 Cheyenne,WyP.O.oBox ing 82001 1006 (307) 632-9224 ARIX, A Professional Corporation 2021 Clubhouse Drive Greeley, Colorado 80631 Attention: Mr. Arthur F. Uhrich • Project Director Gentlemen: We are pleased to submit our Report of a Soils and Foundation Investi- gation prepared for proposed single-family development located on East 20th Street, Greeley, Colorado. Based upon our findings in the subsurface, we feel that the site is suitable for the proposed construction, providing the design criteria and recommendations set forth in this report are met. The accompanying report presents our findings in the subsurface and our recommendations based upon these findings. Very truly j�yours, EMPIRE LABORATORIES, INC. Q ,-..t- ----1 l,;,. / LNeil R. Sherrod '4 '^^~. ;;<).c'-= Senior Engineering Geologist +1t..; R S% '' Reviewed by: i •�c.1 ell $ O .y s Chester C. Smith, P.E. 2 :I= °e e 4808 = President _ ., * . a', ,: 1 dun �. cic c� .4-0::- -7- /I 9r ; • *•.,, 6` a0 ^,'-' ,` . E., n rCJ� . i\C .... IN ll )= MEMBER OF CONSULTING ENGINEERS COUNCIL de!. 1 .1'_1► ii REPORT OF A- SOILS AND FOUNDATION INVESTIGATION SCOPE This report presents the results of a soils and foundation investi- gation prepared for the proposed single-family, estate-zoned residences located east of Greeley, Colorado. The investigation was carried out by means of test borings and laboratory testing of samples obtained from these borings. The objectives of this investigation were to (1) determine the suitability of the site for construction purposes, (2) make recommenda- tions regarding the design of the substructures, (3) recommend certain precautions which should be taken because of adverse soil and/or ground- water conditions, and (4) determine the suitability of the site for construction of septic systems. SITE INVESTIGATION The field investigation, carried out on January 14, 1980, consisted of drilling, logging, and sampling five (5) test borings and running five (5) percolation tests. The locations of the test borings are shown on the Test Boring Location Plan included in Appendix A of this report. Boring logs prepared from the field logs are shown in Appendix A. These logs show soils encountered, location of sampling, and groundwater at the time of the investigation. All borings were advanced with a four-inch diameter, continuous- type, power-flight auger drill . During the drilling operations, a soils engineer from Empire Laboratories, Inc. was present and made a con- tinuous visual inspection of the soils encountered. 1 SITE LOCATION AND DESCRIPTION The proposed site is located at the southwest corner of East 20th Street and Cherry Avenue, east of Greeley, Colorado. More particularly, the site is described as a tract of land situate in the northeast 4 of ' Section 16, Township 5 North, Range 65 West of the Sixth P.M. , Weld County, Colorado. The property is relatively flat and has generally poor surface drainage. Ponded water was encountered in several areas throughout the site. An existing residence and garage are located in the area of Lot 4 and a horse barn is located on Lot 3. The remainder of the area con- sists of fenced fields used for horse pasture. The area to the west and south of the property consists of residential housing. The property is bordered on the north and east by existing streets. LABORATORY TESTS AND EXAMINATION Samples obtained from the test borings were subjected to testing and inspection in the laboratory to provide a sound basis for deter- mining the physical properties of the soils encountered. Moisture contents, dry unit weights, unconfined compressive strengths, water soluble sulfates, swelling potentials, and the Atterberg limits were determined. A summary of the test results is included in Appendix B. Consolidation and/or swell-consolidation characteristics were also determined, and curves showing this data are included in Appendix B. SOIL AND GROUNDWATER CONDITIONS The soil profile at the site consists of strata of materials ar- ranged in different combinations. In order of increasing depths, they are as follows: 2 (1 ) Silty Topsoil : The majority of the site is overlain by a six (6) inch layer of silty topsoil . The topsoil has been pene- trated by root growth and organic matter and should not be used as a foundation soil or as .a fill or backfill material. A six (6) inch layer of gravel surfacing was encountered at the surface in Boring 4. This gravel has been placed in a drive serving the existing residence. (2) Sandy Clayey Silt: This stratum underlies the topsoil and gravel surfacing and extends to the sand and gravel stratum below. The silt contains varying amounts of clay and sand, is slightly plastic, and exhibits generally moderate bearing characteristics in its dry to damp in situ condition. When wetted, the clayier portions of the silt stratum exhibit slight swelling potentials, and upon loading, consolidation occurs. (3) Sand and Gravel : A layer of sand and fine gravel underlies the upper silt stratum at depths three and one-half (31) to six and one-half (62) feet below the surface and extends to depths greater than fourteen and one-half (141/2) feet below the surface. The sand contains minor amounts of fine gravel , is poorly graded, and exhibits low to moderate bearing character- istics in its loose to medium dense in situ condition. (4) Groundwater: At the time of the investigation, no free groundwater was encountered to depths fourteen and one-half (141/2) feet below the surface. Water levels in this area may be subject to change due to seasonal variations and/or irri- gation demands on or adjacent to the site. 3 • • RECOMMENDATIONS AND DISCUSSION It is our understanding that single-family residential structures are proposed for the five (5) lot site. On-site sewage disposal systems are planned. Foundations In view of the loads transmitted by the proposed residential con- struction and the soil conditions encountered at the site, it is recom- mended that the structures be supported by conventional-type spread footings and/or continuous grade beams. All footings and/or grade beams should be founded on the original , undisturbed soil a minimum of thirty (30) inches below finished grade for frost protection. The identi- fication and undisturbed nature of the soil should be verified by the soils engineer prior to placement of any foundation concrete. Footings and/or grade beams founded at the above level may be designed for a maximum allowable bearing capacity of two thousand (2000) pounds per square foot (dead load plus maximum live load). To counteract minor swelling pressures which will develop if the drier, clayier portions of the sandy clayey silt soils become wetted, all footings and/or grade beams founded on the upper sandy clayey silts should be designed for a minimum dead load of five hundred (500) pounds per square foot. The predicted settlement under the above maximum loading, as determined by laboratory consolidation tests, should be less than 0.75 inch, generally considered to be within acceptable tolerances. Basements and/or Slabs on Grade Due to the fact that no free groundwater was encountered at the site to depths of fourteen and one-half (141) feet below the surface, it is our opinion that basement construction is feasible at the site. 4 • 7 The existing soils encountered near the surface at the site are adequate for supporting normal floor.loads. The upper six (6) inches of topsoil should be removed from within the limits of the structures. Fill material supporting slabs on grade should consist of on-site soils or imported material approved by the soils engineer compacted two percent (2%) wet of optimum moisture to at least ninety-five percent (95%) of Standard Proctor Density ASTM D 698-70. (See Appendix C.) All slabs on grade should be underlain by a minimum of four (4) inches of gravel or crushed rock devoid of fines. The gravel layer will act as a capillary break and will help to distribute floor loads. It is recommended that all slabs on grade at the upper level be designed structurally independent of all bearing members. To minimize and control shrinkage cracks which will develop in slabs on grade, it is suggested that control joints be placed every fifteen (15) to twenty (20) feet and that the total area contained within these joints be no greater than four hundred (400) square feet. Septic Systems In view of the percolation rates and the soil and groundwater con- ditions encountered at the site, it is our opinion that the majority of the property is suitable for construction of standard septic systems. Due to the poor percolation rate encountered on Lot 3, it is our opinion that the area tested on Lot 3 is not suitable for construction of a standard septic system. It is suggested that additional percolation tests be run in the area of Lot 3 or that an engineered system be de- signed for Lot 3. It is recommended that all systems constructed at the site be designed in accordance with State and County regulations using the data provided in this report and any additional data obtained. 5 GENERAL RECOMMENDATIONS (1 ) Laboratory test results indicate that water soluble sulfates in the soil are negligible, and a Type I cement may be used in all concrete exposed to subsoils. All slabs on grade sub- jected to de-icing chemicals should be composed of a durable concrete using a Type II cement with low water-cement ratios and higher air contents. (2) Finished grade should be sloped away from the structures on all sides to give positive drainage. Ten percent (10%) for the first ten (10) feet away from the structures is the sug- gested slope. (3) Backfill around the outside perimeter of the structures should be mechanically compacted at optimum moisture to at least ninety percent (90%) of Standard Proctor Density ASTM D 698-70. (See Appendix C.) Puddling should not be permitted as a method of compaction. (4) All plumbing and utility trenches underlying slabs and paved areas should be backfilled with an approved material compacted to at least ninety-five percent (95%) of Standard Proctor Density ASTM D 698-70. Puddling should not be permitted as a method of compaction. (5) Gutters and downspouts should be designed to carry roof runoff water well beyond the backfill area. (6) Underground sprinkling systems should not be installed within ten (10) feet of the structures, and this recommendation should be taken into account in the landscape planning. 6 . (7) Footing and/or grade beam sizes should be proportioned to equalize the unit loads applied to the soil and thus minimize differential settlements. (8) It is recommended that all compaction requirements specified herein be verified in the field with density tests performed under the direction of the soils engineer. (9) It is recommended that a registered professional engineer design the substructures and that he take into account the findings and recommendations of this report. GENERAL COMMENTS This report has been prepared to aid in the evaluation of the property and to assist the architect and/or engineer in the design of this project. In the event that any changes in the design of the structures or their locations are planned, the conclusions and recom- mendations contained in this report will not be considered valid unless said changes are reviewed and conclusions of this report modified or approved in writing by Empire Laboratories, Inc., the soils engineer of record. Every effort was made to provide comprehensive site coverage through careful locations of the test borings, while keeping the site investigation economically feasible. Variations in soil and groundwater conditions between test borings may be encountered during construction. In order to permit correlation between the reported subsurface con- ditions and the actual conditions encountered during construction and to aid in carrying out the plans and specifications as originally con- templated, it is recommended that Empire Laboratories, Inc. be retained to perform continuous construction review during the excavation and foundation phases of the work. Empire Laboratories, Inc. assumes no responsibility for compliance with the recommendations included in this report unless they have been retained to perform adequate on-site con- struction review during the course of construction. 7 APPENDIX A. TEST BORING LOCATION PLAN N • 4GaI_E.._ i•' = Ioo • TBM TOP or pzwt_r1E1 4< ZO{" T. /.ccuME_ &LE_V/ST IO i.1=•44-. O S. Z0114 4TRE_!_T IQ,. I AIo.Z wle.3 ® B . fklo.4- .. 3 . e. istNe..5 } .. • . , 0 A-2 EMPIRE LABORATORIES, INC. KEY TO BORING LOGS• • it • TOPSOIL • GRAVEL • Wir FILL gra SAND& GRAVEL swage SILT •�� SILTY SAND&GRAVEL 1 1'al CLAYEY SILT o•7 COBBLES 1 •••. SANDY SILT •� SAND,GRAVEL&COBBLES �, CLAY WEATHERED BEDROCK • SILTY CLAY I:_ SILTSTONE BEDROCK i 1 �d SANDY CLAY CLAYSTONE BEDROCK SAND • •• SANDSTONE BEDROCK �•�". SILTY SAND • MOM LIMESTONE ■MO■ • edCLAYEY SAND f i} GRANITE SANDY SILTY CLAY ■ SHELBY TUBE SAMPLE STANDARD PENETRATION DRIVE SAMPLER WATER TABLE 24 HOURS AFTER DRILLING HOLE CAVED 5/12 Indicates that 5 blows of a 140 pound hammer falling 30 inches was required to penetrate 12 inches. A-3 EMPIRE LABORATORIES, INC. • LOG OF BORINGS No. I Niel.Z IJo.3 45 `,.;;" `rev- • �/1 40 / /. / • i. •� 10/11 — 8/12 ' 17/12 .o 32/12j• a 22/12 ' 5/12a;o 35 •• o . e a • • . 0 a . • O • • • 30 23/12 11/12 a ` '• .4 21/12 .' •• 25 IBM, top of pavement centerline 20th Street. Assume elevation equal to 44.0'_ A-4 EMPIRE LABORATORIES, INC. • LOG OF BORINGS • T No.4 No.S 45 40 4r12/12 • ' •6/12 eL 35 34/12 in. • '• 28/12 6 '• p G • O e• , p • • n c .e 30 24/12 a 25/12 �' .•o 25 A-5 EMPIRE LABORATORIES, INC. APPENDIX B. . . �'. . • CONSOLIDATION--SWELL TEST BORING NO 3 DEPTH 3.1 DRY DENSITY 112.6'/Ft3 % MOISTURE 2.7% O O .46 .44 .42 0.1 0.5 1.0 S APPLIED PRESSURE-TONS/SQ. FT • . 2 • Lr 44 a C O V • 0.1 0.5 1.0 S APPLIED PRESSURE-TONS/SQ. FT. • • • - ,. . CONSOLIDATION—SWELL TEST BORING NO 5 DEPTH 3,1 DRY DENSITY 98.7'-#/Ft3 % MOISTURE 8.6", .68 .66 0 .64 a a .62 .60 .58 .56 0.1 0.5 1.0• APPLIED PRESSURE-TONS/SO. FT. • 0 C 2 z 4 o . c.. a 0 g 6 8 0.1 0.5 1.0 5 APPLIED PRESSURE-TONS/SO. FT. B-3 EMPIRE LABORATORIES, INC. .•• ZW Co • • Z as,. N N N N N N N N N N N N N r r r r r r r r r r r r z3 \ \ \ \ \ r \ U) r to \ \ am0 N M CO N r N LC) r ' t0 CY V' r M N N r ' r N M N W mat 31 Es:Y. 1-J 3N N ^J W siS W ILI LL CC CI-N F- O a in• U 2 t W Z 1L ZW Z� O oe z CQ D • CC I In } ZLL N N �U • M r }a 0 r re r ••••- 0 • to D r r if) t0. in O n en a- N LC) LC) N O) ae(5 LC) LO r L`7 N N N N N r t0 N L`7 r r in LO U1 C O • 0 0 0 • O O O • O O LO LO • I V • • • V' • • • a' lC) CO r d' LC) CO r Cf LO CO r CY LO N. CO r n-t I, I I 1 1 I 1 I I I ' I I I I I I LY .O•. O LO O O O LOO O O L!) O O O 10 LO 0 • 'CY Y� CO L+) CY A L•! M CY N. M Ce) iY N. N M r r r r 17 p r. N M' Z C m 8-4 • Z r • u Q? N N N Fn r r r Z u� O N 00 it, L. r N N f0 W m0 • J co w co K Q W LL r J 3 N J W V) UI N Lu W cu: OC a u1 d VI Or W r wO O Z Co) O Z y c O O}L Z Z ZLL W ; q p 3e.7) t0 N r CO r e- s— c• O O • Z r w ri V q III p O O O to M cT CO M 0 Z • Z in b CO B-5 . • • SUMMARY OF TEST RESULTS Swelling Pressures Boring Depth % Moisture Dry Density Swelling No. (Ft.) Before Test P.C.F. Pressure PSF 5 3.0-4.0 8.6 105.7 320 SUMMARY OF PERCOLATION TEST RESULTS Percolation Rate Hole Depth To Depth To (Time required for water to No. Bedrock (Ft.) Groundwater (Ft.) fall one (1) inch in Min.) 1 --- 10.0 2 --- 20.0 3 --- Did not perc. 4 --- 5.0 5 --- 40.0 Atterberg Summary Boring Number 5 Depth (Ft.) 3.0-4.0 Liquid Limit 26.8 Plastic Limit 19.1 Plasticity Index 7.7 % Passing No. 200 Sieve 64.0 Group Index 2.8 Classification Unified CL-ML AASHTO A-4(3) B-6 APPENDIX C. • • - APPENDIX C Suggested Specifications for Placement of Compacted Earth Fill and/or Backfills. GENERAL A soils engineer shall be the owner's representative to inspect and control all compacted fill and/or compacted backfill placed on the project. The soils engineer shall approve all earth materials prior to their use, the methods of placing, and the degree of compaction obtained. A verification of approval from the soils engineer will be required prior to the owner's final acceptance of the filling opera- tions. MATERIALS Soils used for all compacted fill beneath interior floor slabs shall be a granular, nonexpansive type. The upper 12" to 18" of compacted earth backfill placed adjacent to exterior foundation walls shall be an impervious, nonexpansive material . No material having a maximum dimension greater than six inches shall be placed in any fill . All materials proposed for use in compacted fill and/or compacted back- fill shall be approved prior to their use by the soils engineer. PREPARATION OF SUBGRADE All topsoil , vegetation, debris, and other unsuitable material shall be removed to a depth satisfactory to the soils engineer before begin- ning preparation of the subqrade. The subqrade surface of the area to be filled shall be scarified a minimum depth of six inches, mois- tened as necessary, and compacted in a manner specified below for the subsequent layers of fill . Fill shall not be placed on frozen or muddy ground. C-2 PLACING FILL No sod, brush, frozen material , or other unsuitable material shall be placed in the fill . Distribution of material in the fill shall be such as to preclude the formation of lenses of material differing from the surrounding material . The materials shall be delivered to and spread on the fill surface in a manner which will result in a uniformly com- pacted fill . Prior to compacting, each layer shall have a maximum thickness of eight inches, and its upper surface shall be approximately horizontal . MOISTURE CONTROL While being compacted, the fill material in each layer shall as nearly as practical contain the amount of moisture required for optimum com- paction or as specified, and the moisture shall be uniform throughout the fill . The contractor may be required to add necessary moisture to the fill material and to uniformly mix the water with the fill material if, in the opinion of the soils engineer, it is not possible to obtain uniform moisture content by adding water on the fill surface. If, in the opinion of the soils engineer, the material proposed for use in the compacted fill is too wet to permit adequate compaction, it shall be dried in an acceptable manner prior to placement and compaction. COMPACTION When an acceptable, uniform moisture content is obtained, each layer shall be compacted by a method acceptable to the soils engineer and as specified in the foregoing report as determined by applicable standards. Compaction shall be performed by rolling with approved tamping rollers, pneumatic-tired rollers, three-wheel power rollers, vibratory compactors or other approved equipment well-suited to the soil being compacted. If a sheepfoot roller is used, it shall be provided with cleaner bars attached in a manner which will prevent the accumulation of material between the tamper feet. The rollers should be designed so that the effective weight can be increased. r_7 • � MOISTURE - DENSITY DETERMINATION Samples of representative fill materials to be placed shall be fur- nished by the contractor to the soils engineer for determination of maximum density and optimum moisture or percent of Relative Density for these materials. Tests for this determination will be made using methods conforming to requirements of ASTM D 698, ASTM D 1557, or ASTM D 2049. Copies of the results of these tests will be furnished to the contractor. These test results shall be the basis of control for all compaction effort. DENSITY TESTS The density and moisture content of each layer of compacted fill will be determined by the soils engineer in accordance with ASTM D 1556, ASTM D 2167, or ASTM D 2922. Any material found not to comply with the minimum specified density shall be recompacted until the required density is obtained. The results of all density tests will be furnished to both the owner and the contractor by the soils engineer. • C-4 Hello