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Home My WebLink About960512 in_l�Western Testin° i laboratories ir�c. • 775 Sheridan Boulevard,Denver.Colorado 00214 Phone(303) 238.7896 March. 19, 1985 • Owens Brothers Concrete 5550 Sheridan Blvd. Arvada, CO `.0001. Attention: Mr. Mike Owens Subject : A-12122 - Gravel Investigation in the west 1/2 of Section 32, T3N , R67W 6PM Gentlemen: On February 27 , 1985 eleven test holes were drilled at the subject site. The holes were drilled to determine the sand gravel profile and the depth to bed- rock. A survey way made to locate the holes and get hole elevations. A plant showing the test hole locations and logs of the holes are enclosed _with this letter . Sincerely, WESTERN TESTING LAB. , INC. Donald W. Fleming, P.E. DWF/bkw Encl. • • • EXHIBIT 960512 W. R. . 2 8 030'w N `a COR. S Ec. 'Z // . / / / / / / O c-(. 4'19 / / 4.'191 i / 4 i 0 / // N I O I 4193 5 / 7 O , I 413 H i / /(7- r5CALE : 1" = 500' ILO I10 1141910' 7 a '1, ! r I i 9 4:CIt 3' V �i I 0 • % Li r- 4194 1I I V #1 I / a� I I / CCI /I / / O I I /' ,c .?- >••1 1 2 / / O ZI I O %r 01 I 41910 1 81 Iil it 110 I 14T91 II ; x 960512 1 INIESTEFINTESTJNG LIRBEIF HTOBUES �NC. 775 SHERIDAN BOULEVARD • DENVER, COLORADO 80214 • TELEPHONE (303) 238-7896 TYPICAL TEST HOLE LOG SYMBOLS UNIFIED SOIL CLASSIFICATION • GW Well-graded clean gravels 5 SP-INDICATES CLEAN SAND [ ;'': GP Poorly graded clean grave; STANDARD PENETRATION TEST :';'i 10/12 10 Blows/I2 Inches r;;',<4 GM Gravel-sand-silt mixtures FXM GC Gravel-sand-clay mixtures w Ip CL- INDICATES LEAN CLAY SW Well graded sands u_ UNDISTURBED SAMPLE Qu -UNCONFINED COMPRESSION :.t1SP Poorly graded clean sands STRENGTH o WATER e-� IS L/24:1/ Mc— NATURAL MOISTURE CONTENT � SM Sand-silt mixtures TABLE T Dd- NATURAL DRY DENSITY J ll SC Sand-clay mixtures CalCCALCAREOUS MATERIAL cc (While Powdery Solo V'ZC It•IL Silts or Silty Sand 0 I o.. . l- 20 WATER — ;;'p,' GW STANDARD PENETRATION TEST f7JT/I CL Lean clays WITH DANISH POINT IN [��lll o TABLE .o.:: 8/6 GRAVEL 8 Blows/6 Inches koprorimole) mil Elastic silts 0• •Q 25 rw,//4 CH Fat clays WX WEATHERED SHALE CONTAINS CALCAREOUS F/ jOL-OH Organic silts or clays LENSES , SOFTER THAN NON-WEATHERED Shale Pt Peat or coal 30 FORMATION SYMBOLS A REFUSAL Clay Shale STANDARD PENETRATION TEST made by driving Std 2"0. D. Sampling Spoon with Sandstone 140 lb. weight dropped 30 inches. Indi- rE.E1Siltstone cates Relative Stiffness or Density of ' Soils. Formation materials are dry, heavily preconsolidated soils Abbreviations :• of ancient deposition. LL - Liquid Limit Water PL - Plastic Limit SL - Shrinkage Limit PI - Plasticity Index KEY TO BORING LOGS . (Not an actual Log) 960512 • LOG OF ➢"OFILE HOLES ' A-• Owens Broth ; Gravel Investigation , W1 _EC. 32 T3N R67W16PM2 T.H. 1 T.H. 2 Sir��w '' 1 — Topsoil 1 — =� Topsoil - re•i:• GP 4 t I' �� 7 1.}%:/ ' '.' . SC • i. : :.•.— • SP . : .s ,': GP :..i:'. 4r..:• 21 — %c GP !,. .. •• �•� i 29 28 — ___''' i — _ =�Si1ty Sandstone Hard, moist 30 — __ L Blue-grey == Claystone- -- ___ 36 _ - Siltstone T.H . 3 Y T.H . 4 1 — 'topsoil 1 — - • - Topsoil ,. . 3 — '• ®el Sc _ SC 'r.is't '�j' .•. •� ' 14 I!r.:. . I. . ;' SP ! i �i: GP 171 — CL , : 181 - �.i. , .� *: — l": 29 — 27Fit •:' 31 - CL it: •. . �..•r.: • � '...• GP !t.`e. P'.if G :A•• '..I . :.i.. 3y - 43- 44 _;.'i.': a GP 42 - .0 • - Blue-grey Claystone • - Blue-grey • t 1 Claystone Refusal r 960512 .O6 OF PROFILE HOLES A-12122 Owens Brothf Gravel Investigation, W1 C. 32 T3N R67W 6PM T.H. 5 T.H. 6 1 - 7... Topsoil 1 _ ,r:�•?s Topsoil SC 4 , •• • . SC•6 - 5 _-f- — 8 F GP 11 - t f.:� : GP I .''-t. 1: lr• - GP 20 — .d. . . 1. .t4'. :;�: : F... • r': . .. •?: Y•I GP /! : •• -. •• 36 _ 1'.:.•: ; •:1 f' ==-Siltstone 361 — 38 _ =tr.,: _ Siltstone to 39 — = .Blue-grey Claystone T.H. 7 T.H . 8 •-' 1_ Topsoil 1 u , Topsoil 2— 'zi.`•::;i SC 3 SC 7_ i:-...•/:: �,. ':. a— t,t:;.:. 9 •. . ✓ {::�.:• ::,,:'•: GP ...y: GP '1,P.• 30 S4 I:• 32— 4..%"_11 GP 35— _ Siltstone to 45 — , 38_ Blue-grey Claystone 47 _ —� Blue-grey Claystone 960512 LOG OF PROFILE HOLES A-12122 Owens Broth ; Gravel Investigation , WI ':C . 32 T3N R67W 6 PM T.H . 9 T.H . 10 ! Topsoil 1 ._ n Topsoil 1 - To SC 7 _ oQ:e a Gt9 5 - . :`�.::' SW 9 - ..t 8 eA. GP Jr !� 12 - • :w /. /••/ • ' •' GP ••• ••0:' 20 - • •' SW ' .i,/ GP 27 _ CL .. • ssc i •,�.� x,z.I GP 421 - -' `—' 43 - 45 — Blue-grey Claystone 45 — Lt . Brown Siltstone ESE- _ T.H. 11 1 _ !'W' Topsoil 10 yo 00ri 1:Q Q. 7 o;•. Giw • 27 '::Q• '"'a • 28 — /////i/ CL GW 35 — ..o: 37 — __—__--=_ Lt. Brown Siltstone • 960512 Hello