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Home My WebLink AboutEAST RIDGE - PDP - 33-98D - SUBMITTAL DOCUMENTS - ROUND 1 - GEOTECHNICAL (SOILS) REPORTLOG OF TEST BORING NO. 1 Page 1 of 1 CUNT ARCHITECT ENGINEER TriTrend Big Horn Resources, Inc. SITE SIE/C of E. Vine Dr. & Summit View Rd. PROJECT Fort Collins, Colorado 160-Acre Ryland Parcel SAMPLES TESTS ~ ❑ ❑ o cc H DESCRIPTION } cn � w z� x z w tz-t� IL Lo x a d V E d U H U=IL w. cn x w HO n.CO o >-L� U rL zr-cn LD Approx. Surface Elev.: 4955.0 ft. ❑ x z >_ Ir cn CO E 0- x cn o_ ^ " ^ 0.5 TOPSOIL 4954.5 SANDY LEAN CLAY CL 1 SS 12' 7 13 2.5 Brown, dry to moist 4952.5 Medium SC 2 ST 12" 7 104 6120 CT AYEYY SAND Brown, moist, loose 3 SS 12" 9 8 5 6.0 4949.0 SANDY LEAN CLAY CL 4 ST 12" 9 109 4450 Tan -red -brown, moist 5 SS 12" 5 18 Loose 10 12.5 4942.5 SILTY SAND Red, moist, medium dense SM 6 SS 12" 13 2 15.0 4940.0 15 BOTTOM OF BORING THE STRATIFICATION LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL AND ROCK TYPES: IN -SITU, THE TRANSITION MAY BE GRADUAL. WATER LEVEL OBSERVATIONS Irerracon BORING STARTED 3-1-99 WL• i None W-D Y None A-B- BORING COMPLETED 3-1-99 WL RIGCME 55 FOREMAN RTS wL Water checked 3 daps A.B. APPROVED DAR I JOB.# 209950 81 LOG OF TEST BORING NO. J Pave 1 of 1 CLIENT ARCHITECT I ENGINEER TriTrend Big Horn Resources, Inc. SITE S/E/C of E. Vine Dr. & Summit View Rd. PROJECT Fort Collins, Colorado 160-Acre Ryland Parcel SAMPLES TESTS M z a ~ � w U � W z 1—c (n m �z W H E >- 1-4 U) w r oLL c a. z 2 LL Lo zz umu. 5 uu))d c) J H DESCRIPTION Approx. Surface Elev.: 4947.0 ft. ., LL d o co N U " " " 0.5; TOPSOIL 4946.5 CLAYEYSAND SC 1 SS 12" 4 12 X. Brown, moist, loose 2 ST 12" 12 116 3070 3 SS 12" 4 16 5 6.0 4941.0 WELL A ED S ND SW ST NR Red, moist to wet Medium dense 4 SS 12" 11 2 10 12.5 4934.5 15 _ - " - SII.TY SAND Red, moist, medium dense 15.0 4932.0 SM 5 SS 12" 15 11 BOTTOM OF BORING THE STRATIFICATION LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL AND ROCK TYPES: IN -SITU, THE TRANSITION MAY BE GRADUAL. WATER LEVEL OBSERVATIONS I rerr� BORING STARTED 3-1-99 1 14.0' `N•D• g None A.B• BORING COMPLETED t� RIG CME-55 FOREIV3F.Id_99 RTS L Water checked 3 days A.B. APPROVED DAR JOB # 20995028 LOG OF TEST BORING NO. 4 Page 1 of 1 CLIENT ARCB=CT / ENGINEER TriTrend Big Horn Resources, Inc. SITE S/E/C of E. Vine Dr. & Summit View Rd. PROJECT Fort Collins Colorado 160-Acre Ryland Parcel SAMPLES TESTS Q W to x O z W D- } F— w > O U W X W z\ 1 cn 3 F— O a-J (n m j H cn H O x >- H w 0 r F� D_U o a W z LLED zz O w U x IL ZH(n O U D- N? zcn ¢ (n D- W LL ><X(n LUD- na O JO H x a ¢ DESCRIPTION Approx. Surface Elev.: 4945.0 ft. F- LL x F— a W o 0 rn N cn U W O " " ^ 0.5 TOPSOIL 4944.5 CLAYEY SAND SC 1 SS 12" 5 10 2 5 Brown, moist, loose 4942.5 85 LFAN CLAY WITH SAND CL 2 ST 12" 19 95 3860 4.5 Tan -red, moist, stiff 4940.5 3 SS 12" 11 10 WELL GRADED SAND 5 Red -brown, moist to wet Medium dense SW 4 ST 12" 3 5 SS 12" 16 3 10 12.5 4932.5 15 SILTYSAND 15.0 Red, moist, medium dense -74930.0 SM 6 SS 12" 11 20 BOTTOM OF BORING THE STRATIFICATION LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL AND ROCK TYPES: IN -SITU, THE TRANSITION MAY BE GRADUAL. WATER LEVEL OBSERVATIONS Irerr� BORING STARTED 3-1-99 W.D. None A.B. RING COMPLETED WE145' R FOREMAN-99 CME-55 RTS Water checked 3 days A.B. APPROVED DAR JOB s 20995028 LOG OF TEST BORING NO. 3 Page 1 of 1 CLIENT TriTrend ARCHITECT / ENGINEER Big Horn Resources, Inc. SITE S/E/C of E. Vine Dr. & Summit View Rd. Fort Collins, Colorado PROTECT 160-Acre Ryland Parcel o J H _ a CD DESCRIPTION Approx. Surface Elev.: 4950.0 ft. r. H x d w 0 J CO y cn U o o SAMPLES TESTS W m o z W n. r r- w > o U w W L~L z\ I cn a t_o aJ u-m ?f � r cn H o 0 > H w o }Li of oa W H� zz ow U=Li 5(nal ou_a H W H z oHw H�z ocnH C3¢U. HJ J2� ^ ^ 0.5 TOPSOIL 4949.5 CANDY LEAN CLAY Brown, moist Medium to stiff _ 17.0 74933.0 5 10 .15 20 25 CL 1 SS 12" 11 11 29/16/48 2 ST 12" 12 112 2990 3 SS 12" 9 12 4 ST 12" 13 113 1910 5 SS 12" 4 13 6 SS 12" 4 27 STLTY Red, wet, medium dense 25.0 4925.0 SM 7 SS 12" 28 16 8 SS 12" 20 11 BOTTOM OF BORING THE STRATIFICATION LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL AND ROCK TYPES: IN -SITU, THE TRANSITION MAY BE GRADUAL. WATER LEVEL OBSERVATIONS rerracoF BORING STARTED 3-1-99 WL U 17.0' D S 15.5' A.B. BORING COMPLETED 3-1-99 wL RIG CME-55 FOREMAN RTS L I Water checked 3 days A.B. APPROVED DAR I JOB # 20995028 LOG OF TEST BORING NO. 2 Page 1 of 1 CLIENT ARCHITECT ENGINEER TriTrend Big Horn Resources, Inc. SITE S/E/C of E. Vine Dr. & Summit View Rd. PROJECT Fort Collins Colorado 160-Acre Ryland Parcel SAMPLES TESTS w rn z O Z w a. >- t- w > 0 U w o LL z� 10 a �_o CLJ cn ao X w r cn H O s >- H w o >-w =U 0 o- 0 W LL (D zz 0 w uxu_ ZE_In 0 Lo o_ Z (nn � Zcn ¢ cn a.WLL >G=In w o- o_ ca 0 J H x o ¢ U DESCRIPTION Approx. Surface Elev.: 4958.0 ft. ., F- x a. w 0 _J 0 m N cn U w 0 " ^ ^ 0.5 TOPSOIL 4957.5 SANDY LEAN CLAY CL 1 1 SS 12" 5 14 wo Tan -red -brown, moist Medium to stiff 2 ST 12" 16 110 3870 3 SS 12" 6 17 5 85 4 ST 12" 11 121 2370 5 SS 12" 8 18 10 12.0 4946.0 15 SILTY SAND Red, wet, loose 15.0 4943.0 SM 6 SS 12". 5 22 BOTTOM OF BORING THE STRATIFICATION LINES REPRESENT THE APPROXIMATE BOUNDARY LINES BETWEEN SOIL AND ROCK TYPES: IN -SITU, THE TRANSITION MAY BE GRADUAL. - WATER LEVEL OBSERVATIONS lrerr con BORING STARTED 3-1-99 11.0'W.D. Y None A.B. COMPLETTsD EZ RIGRING CME-55 FORE �_99 RTS Water'cbecked 3 days A.B. APPROVED DAR JOB x 20995028 EAST VINE DRIVE F— — — — — — — — — — — — — — — — — — — — I 1 I I I 1 N0.2 I NO.1 1 A � I 1 � I I I 1 NO.3 I 1 r 1 NO.4 NO.541, I Y I I I . I -=-___-__:______-___J DIAGRAM IS FOR GENERAL LOCATION ONLY, AND IS NOT INTENDED FOR CONSTRUCTION PURPOSES. FIGURE 1: SITE PLAN 160—ACRE RYLAND PARCEL SE CORNER OF E. VINE DR. AND SLIMMITT VIEW RD. FORT COLLINS. COLORADO Project Yngr, DAR Project No. Designed By: pp. 1 re r ra c o^ scale: DAR Checked By: DAR 301 N. Howes Srneei Dole' - Approved By: DAR FORT COLLINS. COLDRADO 80521 Drawn 8y: File Name: 28SLD Figure No. E LOG OF BORING NO. 5 Page 1 of 1 CLIENT ENGINEER Progressive Living Structures SITE S. of Vine Dr. & East of Timberline Road PROJECT Fort Collins, Colorado East Ridge SAMPLES TESTS 0 DESCRIPTION z If = N WW > Zh U. ZZ m W}- <O U (�. 0 Z >} F- Nm �iU of Co. Dy %T -' 0.5 6" TOPSOIL SANDY LEAN CLAY Brown, medium stiff to stiff 5 6 SILTY SAND Reddish brown, loose 10 X 15 19 BOTTOM OF BORING ` 3 inch diameter by 10 foot long perforated PVC cassing installed The stratification lines represent the approximate boundary lines between soil and rock types: in -situ, the transition may be gradual. WATER LEVEL OBSERVATIONS, ft Irerracon BORING STARTED 12-1-04 WL 10.4 WD 11 WCI BO COMPLETED 12CMG a -Y RGRING CME 55FFFOREMAN WL Water Level Reading on 12/9/2004 APPROVED DAR I JOB # 20045196 LOG OF BORING NO. 4 Page 1 of 1 CLIENT ENGINEER Progressive Living Structures SITE S. of Vine Dr. & East of Timberline Road PROJECT Fort Collins, Colorado East Ridge SAMPLES TESTS p 5 o pn DESCRIPTION w zLU ~ _ _ C m > Zrn ofW- z ILL oZ W j <O =Z U LWU 0 L Z K ennm RU n 7tA °:. 0.5 6" TOPSOIL SANDY LEAN CLAY Brown, medium stiff to stiff 5 5 SILTY SAND WITH GRAVEL Reddish brown, loose 10 15 19 BOTTOM OF BORING 3 inch diameter by 10 foot long perforated PVC cassing installed The stratification lines represent the approximate boundary lines between soil and rock types: in -situ, the transition may be gradual. WATER LEVEL OBSERVATIONS, ft ,BOMPLETDIrerracon BORING STARTED 12-1-04 WL115 WD s 11 WCI CO 12CMG R GRING ME 55EFFOREMAN WL Water Level Reading on 12/9/2004 APPROVED DAR I JOB # 20045196 LOG OF BORING NO. 3 Page 1 of 1 CLIENT ENGINEER Progressive Living Structures SITE S. of Vine Dr. & East of Timberline Road PROJECT Fort Collins, Colorado East Ridge SAMPLES TESTS DESCRIPTION g w Z z F x x y > zto ZZ a. COF Co wL Z } U Z � Q. ?i U0 c Z� 0.5 6" TOPSOIL SANDY LEAN CLAY Brown, medium stiff to stiff 5 X 10 15 17 SILTY SAND Rig Reddish brown, loose BOTTOM OF BORING 3 inch diameter by 10 foot long perforated PVC cassing installed The stratification lines represent the approximate boundary lines between soil and rock types: in -situ, the transition may be gradual. WATER LEVEL OBSERVATIONS, ft Irerracon BORING STARTED 12-1-04 WL8.5 WD -Y 8.5 WCI C MPLETD12CMG RIG CME 55EFFOREMAN WL Water Level Reading on 12/9/2004 APPROVED DAR I JOB # 20045196 LOG OF BORING NO. 2 Page 1 of 1 CLIENT ENGINEER Progressive Living Structures SITE S. of Vine Dr. & East of Timberline Road PROJECT Fort Collins, Colorado East Ridge SAMPLES TESTS DESCRIPTION z x 3 v}i w > zrn xw Z U. zZ Q. U ~ W Cn m W O LUz > 0w C7 l] � z z K Q. 3:0 C n 7o 0.5 6" TOPSOIL SANDY LEAN CLAY Brown, medium stiff to stiff 5 10 12 SILTY SAND Reddish brown, loose 15 19 BOTTOM OF BORING ' 3 inch diameter by 10 foot long perforated PVC cassing installed The strafification lines represent the approximate boundary lines between soil and rock types: in -situ, the transition may be gradual. WATER LEVEL OBSERVATIONS, ft Ireirracon' BORING STARTED 12=1-04 WL13 WD 12.5 AB 12CMG CCME R GRING 55EDFOREMAN WL I Water Level Reading on 12/9/2004 APPROVED DAR JOB # 20045196 LOG OF BORING NO. 1 Page 1 of 1 CLIENT ENGINEER Progressive Living Structures SITE S. of Vine Dr. & East of Timberline Road PROJECT Fort Collins, Colorado East Ridge SAMPLES TESTS J C W G o DESCRIPTION w z 7 = y M p z3 wH � OW Q. F w m 7 W p D Z Y I- ym �0U 0 n 5U) ': `. 0.5 6" TOPSOIL SANDY LEAN CLAY Brown, medium stiff to stiff 5 10 12 SILTY SAND Reddish brown, medium dense 15 `. 19 BOTTOM OF BORING S a " 3 inch diameter by 10 foot long perforated PVC cassing installed i c u The stratification lines represent the approximate boundary lines g between soil and rock types: in -situ, the transition may be gradual. WATER LEVEL OBSERVATIONS, ft BORING STARTED 12-1-04 BORING COMPLETED 12C 8 WL DRY WD bCl 13 AB Irerracon WL g Y RIG CME-55 G FOREMAN CMG APPROVED DAR JOB # 20045196 WL Water Level Reading on 12/9/2004 0 a LLI z J LL1 m PZ4 COLLINS AIRE PARK DIAGRAM IS NOT INTENDED ERAL L D FOR OCATON ONLY. AND CONSTRUCTION PURPOSES. PZI 1 NO.4 N�in NO. PZ5 PZ2 WHITHAM PROPERTY �M j1p llf FIGURE 1: TEST BORING LOCATION DIAGRAM EAST RIDGE RESIDENTIAL DEVELOPMENT - S/E/C OF VINE DRIVE & TIMBERLINE ROAD LEGEND FORT COLLINS, COLORADO ATE LOCATION OF PRELIMINARY TEST Project M pr DAR Progeot No. DRILLED ON3/1T/1999. FSAPPROXIMATE Designed By. II'erracon s� LOCATION OF SUPPLEMENTAL PIEZOMETERS G ° y ey DAR RE GROUNDWATER MONITORING PURPOSES. Date: DAR 307 N. Howes Street ppmwd sY DAR Fort Collins, Colorado 80521 Drnm By: Flle Name: 20045196-1 Fpure No. 1 Preliminary Geotechnical Engineering Report Proposed East Ridge Residential Development East of Timberline Road and South of Vine Drive Fort Collins, Colorado Project No. 20045196 Page 3 lremmn We appreciate being of service to you in the geotechnical engineering phase of this project, and are prepared to assist you during the construction phases as well. If you have any questions concerning this report or any of our testing, inspection, design and consulting services please do not hesitate to contact us. Sincerely, TERRACON David A. Richer, P.E. Geotechnical Engineer/Department Manager. Enclosures: Test Boring Location Diagram — Figure No. 1 Supplemental Log of Borings — Nos. 1 through 5 Copies to: (5) Addressee (2) TST, Inc. — Consulting Engineers: Mr. Keith G. Sheaffer, P.E. Preliminary Geotechnical Engineering Report lferi mn Proposed East Ridge Residential Development East of Timberline Road and South of Vine Drive Fort Collins, Colorado Project No. 20045196 Page 2 Supplemental Field Exploration A total of 5 supplemental test borings, were drilled on December 1, 2004, an approximate depth of 19- feet below existing site grades at locations as shown on the Test Boring Location Diagram, Figure No. 1. The borings were advanced with a truck -mounted drilling rig, utilizing 4-inch diameter solid stem augers. The borings were located in the field by pacing from property lines and/or existing site features. The accuracy of boring locations should only be assumed to the level implied by the methods used. Lithologic logs of each boring were recorded by the engineering geologist during the drilling operations. At the conclusion of our drilling operations, a 3-in6h diameter, 10-foot length PVC casing was installed in each of five (5) supplemental borings for future groundwater monitoring purposes. Groundwater conditions were evaluated in each boring at the time of the supplemental site exploration and follow up measurements were obtained on December 9, 2004. Subsurface Soil Conditions The subsurface soils at the site within the 5 supplemental test borings generally consisted of an approximate 6-inch layer of cultivated topsoil at the surface of each test boring underlain by sandy lean clay, which extended to the fine grained silty stratum at approximate depths of 5 to 17-feet below existing site grades. The silty sand layer extended to the depths explored. Groundwater Conditions Groundwater, or wet cave in (WCI) or dry cave in (DCI) readings, were encountered at approximate depths of 8-1/2 to 13-feet below existing site grades when checked 8 days after drilling. These observations represent groundwater conditions at the time of the field exploration, and may not be indicative of other times, or at other locations. Groundwater levels can be expected to fluctuate with varying seasonal and weather conditions. Based upon review of U.S. Geological Survey maps ('Hillier, et al, 1983), regional groundwater is expected to be encountered in unconsolidated alluvial deposits on the site, at depths ranging from 10 to 20 feet below the existing ground surface at the project site. The possibility of groundwater fluctuations should be considered when developing design and construction plans for the project. Fluctuations in groundwater levels can best be determined by implementation of a groundwater monitoring plan. Such a plan would include installation of groundwater monitoring wells, and periodic measurement of groundwater levels over a sufficient period of time. ' Hillier, Donald E.; Schneider, Paul A., Jr.; and Hutchinson, E. Carter, 1983, Depth to Water Table (1979) in the Boulder -Fort Collins -Greeley Area, Front Range Urban Corridor, Colorado, United States Geological Survey, Map 1-855-I. Irerracon 301 North Howes - P.O. Box 503 Fort Collins, Colorado 80521-0503 --- ' (970) 484-0359. Fax: (970) 484-0454 December 16, 2004 Progressive Living Structures 4190 North Garfield Avenue Loveland, Colorado 80538 Attn: Mr. George Hart Re: Supplemental Preliminary Geotechnical Engineering Report Installation of Groundwater Piezometers, 3-Inch Diameter Cased Borings Proposed East Ridge (Ryland Annexation) — Single Family Residential Development South of Vine Drive and East of Timberline Road - Approximately 160-Acres Fort Collins, Colorado Terracon Project No. 20045196 Terracon has completed a supplemental soil profile evaluation, which consisted of drilling, and logging 5 additional test borings for the proposed residential development project situated on the south side of East Vine Drive and east of Timberline Road in north Fort Collins, Colorado. This supplemental study was performed in general accordance with our Proposal No. D2004382-Revision No. 1, dated November 24, 2004. Previous Exploration Terracon conducted a preliminary geotechnical engineering exploration for the proposed development, in which 5 test borings were drilled to an approximate depth of 15 to 25-feet below existing site grades and preliminary design recommendations were provided based on the subsurface profile and limited laboratory test results. Groundwater during our initial site exploration was encountered at various depths ranging from 11 *to 17-feet below existing site grades in March of 1999. For further information and findings thereof, please refer to our "Preliminary Geotechnical Engineering Report" dated March 25, 1999, Project No. 20995028. Project Information We understand the planned development will consist of interior roadway infrastructure along with several single-family residential units having full -depth basement construction. Terracon initially conducted a preliminary exploration, for the site in which 5 test borings were drilled in March of 1999. Due to the time of year in the which the initial borings were drilled, (i.e. late winter to early spring) at time in which groundwater levels may be lower than normal, the project design engineers, TST, Inc. suggested that we should install temporary long-term groundwater piezometers for future groundwater monitoring episodes. Arizona ■ Arkansas ■ California ■ Colorado ■ Georgia ■ Idaho ■ Illinois ■ Iowa ■ Kansas ■ Kentucky ■ Minnesota ■ Missouri Montana ■ Nebraska ■ Nevada ■ New Mexico ■ North Carolina ■ Oklahoma ■ Tennessee ■ Texas ■ Utah ■ Wisconsin ■ Wyoming Consulting Engineers 6 Scientists Since 1966 www.terreeon.com