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HomeMy WebLinkAboutSUB200900004 Assessment - Environmental 2012-11-09 • —1/ John Y. Gooch, P.E. `- OOCI L Steve Gooch, C.P.G./A.O.S.E. jyg@gooch-eng.com spg@gooch-eng.com P. Gooch, P.E. 7�L ZT�L e e�t rig- Matthew Phone (434) 293-7449 mpg@gooch-eng.com eSting,IizC. Fax (434) 293-5137 1821 Broadway Street Charlottesville, Virginia 22902 www.gooch-eng.com November 9, 2012 Mr. Paul Cohen Piedmont Realty Holdings II, LLC P.O. Box 220 Crozet, Virginia 22932 Re: CBR Tests Glenmore Section 5 Phase III Road "A" Sta. 1+00 Ferndown Lane Sta. 0+25 through Sta. 7+75 Job Code: 3170 Albemarle'County, Virginia Dear Charlie, Enclosed are the results of four (4) CBR tests that represent the tests we have run to date on soil samples from the referenced site. We have enclosed the moisture-density (compaction) curves, the sieve analysis results, and the stress-strain curves. Our personnel performed sampling in the field. We trust this is the information you need. If there are any questions,please let us know. Sincerely: Gooch Engineering &Testing, Inc. Steve Gooch Encl. CBR TEST REPORT 1821 Broadway Street n g in e e r in g Charlottesville,VA 22902 Phone 434-293-7449 %01, 0Ch e s tin g, In C. FAX 434-293-5137 Date: 4/26/12 By HPP Project: Glenmore Section 5 Job No . 3170 Sample. Locat.: Ferndown Lane Sta. 0+25 Description. Brown clayey sand w/rock fragments AASHO T-99 X Max. Dry Dens. 107 3 pcf., Opt. Moisture 16 4 % AASHO T-180 Cylinder No. 8 Cylinder Ht. 4.584 in Cylinder Vol. 0 0744 cu ft. Cylinder Wt. 8.97 Hammer Wt. 5.5 lb No. Lifts 3 Blows/lift 50 Surcharge Wt. 10 lb DENSITY AND MOISTURE DATA As Compacted After Soaking Can No. A3 A4 A3 A4 Wt.wet sample+can, gm. 68.58 68 77 68.55 68 70 Wt. dry sample+can, gm. 61.62 62.16 60.36 60 47 Wt.water, gm. 6.96 6.61 8 19 8.23 Wt. can, gm. 20.97 20.88 20.97 20.88 Wt. dry soil, gm. 40.65 41.28 39.39 39.59 Percent moisture 17.12 16.6 16 01 20 79 20.8 20 79 Wt. mold +wet soil, lb 18.17 18.55 Wt.wet soil, lb. 9.20 9.58 Wet density of soil, pcf. 123.66 127 84 Dry density of soil, pcf 106 08 105.84 Percent max. lab density 98.9 98.6 PENETRATION DATA SWELL DATA Penetration Load in. lb. Dial reading before soaking 0 024 in 0 000 0 Dial reading after soaking 0 057 in 0.025 125 Swell 0.033 in 0 050 255 Percent Swell 0 72 % 0.075 355 Volume after soaking 0.0749 cu.ft. 0 100 430 0 150 570 0.200 675 CBR= 100(430/3000)= 14.3 0.300 835 0.400 980 0.500 1095 Glenmore Sec.5 Ferndown Ln. Sta. 0+25 1200 - 1000 800 c 600 • ..a 400 • 200 0 j 0 0 1 0.2 0.3 0 4 0.5 0.6 Penetration Glenmore Section 5 Ferndown Lane Sta. 0+25 102.0 - - 101.0 M H c) H 100 0 w 99.0 s 98.0 A 14.0 150 16.0 17.0 18.0 19.0 20.0 21.0 22.0 2' 0 %MOISTURE «T'rca( 0- -1006 f-v,t, ova, a) SIEVE ANALYSIS REPORT Glenmore Sections Ferndown Lane Sta. 0+25 Sieve Cumulative%Passing 4 85.8 10 71.2 40 55.2 200 37.8 ATTERBERG LIMITS Liquid Limit 39.5 Plastic Limit 23.0 Plasticity Index 16.5 0 o C h CBR TEST REPORT 1821 Broadway Street n g i n e e r i n g Charlottesville,VA 22902 %, Phone 434-293-7449 e s t i n g,Inc. FAX 434-293-5137 Date: 5/3/12 By HPP Project: Glenmore Section 5 Job No • 3170 Sample: Locat.. Ferndown Lane Sta. 5+25 Description: Brown clayey sand w/rock fragments AASHO T-99 X Max. Dry Dens. 104.5 pcf, Opt. Moisture 20.1 % AASHO T-180 Cylinder No 5 Cylinder Ht. 4.584 in Cylinder Vol. 0 0744 cu ft. Cylinder Wt. _ 9.20_ Hammer Wt. 5.5 lb No. Lifts 3 Blows/lift 50 Surcharge Wt. 10 lb DENSITY AND MOISTURE DATA As Compacted After Soaking Can No. Al A2 Al A2 Wt.wet sample+can, gm. 68.72 68.53 68.79 68.50 Wt. dry sample+can, gm. 60.33 59.81 59.65 59.84 Wt.water, gm. 8.39 8.72 9 14 8 66 Wt. can, gm. 21.27 21.05 21.27 21 05 Wt. dry soil, gm. 39 06 38.76 38.38 38.79 Percent moisture 21.48 22.0 22.50 23.81 23 1 22.33 Wt. mold+wet soil, lb. 18.73 19.03 Wt.wet soil, lb. 9.53 9.83 Wet density of soil, pcf 128.09 131.95 Dry density of soil, pcf. 105 00 107.22 Percent max. lab density 100.5 102.6 PENETRATION DATA SWELL DATA Penetration Load in. lb. Dial reading before soaking 0 15 in 0.000 0 Dial reading after soaking 0.156 in 0 025 150 Swell 0 006 in 0 050 305 Percent Swell 0 13 % 0 075 425 Volume after soaking 0 0745 cu ft. 0.100 500 0.150 745 0.200 920 CBR= 100(500/3000)= 16.7 0.300 1175 0.400 1360 0.500 1510 Glenmore Section 5 Ferndown Ln. Sta 5+25 1600 - 1400 - 1200 1000 • 0 800 600 • 400 200 • 0 I I i 0 0.1 0.2 0.3 0.4 0 5 0 6 Penetration Glenmore Section 5 Ferndown Lane Sta. 5+25 96.0 - 95.0 M H w 94.0 H cp 93.0 92.0 91.0 21'0 22.0 23.0 24.0 25.0 26.0 27.0 2:.1 %MOISTURE • Map cc,-Iicwl MDks'1 erl4 eo!` ( ) 1)4 �4,1 -- f'11y1 1 �6J2c rti'C (7cav �/ ' 1,70 SIEVE ANALYSIS REPORT Glenmore Sections Ferndown Lane Sta. 5+25 Sieve Cumulative%Passing 4 79.3 10 63.9 40 55.9 200 44.9 ATTERBERG LIMITS Liquid Limit 45.9 Plastic Limit 28.2 Plasticity Index 17.7 : och CBR TEST REPORT 1821 Broadway Street n g i n e e r i n g Charlottesville,VA 22902 Phone 434-293-7449 c� es t i n g,Inc. FAX 434-293-5137 Date. 5/3/12 By HPP Project: Glenmore Section 5 Job No 3170 Sample. Locat.• Ferndown Lane Sta. 7+75 Description: Brown clayey silt AASHO T-99 X Max. Dry Dens. 99 1 pcf., Opt. Moisture 20.7 % AASHO T-180 Cylinder No 6 Cylinder Ht. 4.584 in. Cylinder Vol 0 0744 cu ft. Cylinder Wt. 9.21 Hammer Wt. 5.5 lb No Lifts 3 Blows/lift 50 Surcharge Wt. 10 lb. DENSITY AND MOISTURE DATA As Compacted After Soaking Can No. A3 A4 A3 A4 Wt.wet sample+ can, gm. 68.58 68.53 68.63 68 65 Wt. dry sample+ can, gm. 59.90 60.01 59.83 59.37 Wt.water, gm. 8 68 8.52 8 80 9.28 Wt. can, gm. 21.46 21 77 21 46 21 77 Wt. dry soil, gm. 38 44 38.24 38.37 37 60 Percent moisture 22.58 22.4 22.28 22.93 23.8 24 68 Wt. mold +wet soil, lb 18.46 18 74 Wt.wet soil, lb 9.25 9.53 Wet density of soil, pcf 124.33 126 76 Dry density of soil, pcf 101.55 102.39 Percent max. lab density 102.5 103.3 PENETRATION DATA SWELL DATA Penetration Load in lb Dial reading before soaking 0 047 in 0.000 0 Dial reading after soaking 0 095 in 0.025 60 Swell 0.048 in 0.050 105 Percent Swell 1 05 % 0.075 150 Volume after soaking 0.0752 cu.ft. 0 100 190 0 150 275 0.200 345 CBR= 100(190/3000)=6.3 0.300 450 0.400 525 0.500 595 Glenmore Section 5 Ferndown Ln. Sta 7+75 700 - 600 - • 500 400 o ♦ 300 200 100 0 0 0.1 0.2 0.3 0 4 0 5 0 6 Penetration Yo' "' h cv —ot pelf �:s%alto r+914;.,r' W rip-)074 • a2III.LSION% 0.t'Z 0'£Z 0'ZZ 0'IZ 0.0Z 0'6I 0'8I 0' I O 176 0'S6 t7 0'96 try 0 L6 to w 0.86 0'66 SL+L auel umopuza3 S umpos oioLuualo SIEVE ANALYSIS REPORT Glemnore Sections Ferndown Lane Sta. 7+75 Sieve Cumulative%Passing 4 97.2 10 87,1 40 71.8 200 54.9 ATTERBERG LIMITS Liquid Limit 42.8 Plastic Limit 24.0 Plasticity Index 18.8 C o o c h CBR TEST REPORT 1821 Broadway Street n gin e e r i n g Charlottesville,VA 22902 Phone 434-293-7449 c� e s tin g, Inc. FAX 434-293-5137 Date' 10/31/12 By: HPP Project: Glenmore Sec5 Ph3 Job No • 3170 Sample. Locat. Road "A" Sta. 1+00 Description* Brown clayey silt AASHO T-99 X Max. Dry Dens 93 5 pcf., Opt. Moisture 25 7 % AASHO T-180 Cylinder No 13 Cylinder Ht. 4.584 in. Cylinder Vol 0 0744 cu ft. Cylinder Wt. 9 08 Hammer Wt. 5 5 lb No Lifts 3 Blows/lift 50 Surcharge Wt. 10 lb DENSITY AND MOISTURE DATA As Compacted After Soaking Can No. A9 A10 A9 Al Wt.wet sample+can, gm. 68 48 68.57 68.58 68 64 Wt. dry sample+ can, gm. 59 06 59.20 58.17 58 11 Wt.water, gm 9 42 9.37 10.41 10 53 Wt. can, gm. 21 63 20.99 21 63 20.99 Wt. dry soil, gm. 37 43 38.21 36.54 37 12 Percent moisture 25 17 24.8 24.52 28.49 28 4 28.37 Wt. mold +wet soil, lb 17.98 18.16 Wt.wet soil, lb 8.90 9 08 Wet density of soil, pcf. 119 62 121 99 Dry density of soil, pcf. 95.82 94.99 Percent max. lab density 102.5 101 6 PENETRATION DATA SWELL DATA Penetration Load in lb Dial reading before soaking 0.028 in 0 000 0 Dial reading after soaking 0 03 in 0 025 80 Swell 0.002 in 0.050 115 _ Percent Swell 0.04 % 0 075 140 Volume after soaking 0 0744 cu ft. 0.100 160 0 150 195 0.200 225 CBR= 100(160/3000)= 5.3 0.300 280 0.400 335 0.500 390 Glenmore Sec5. Ph3 Road "A" Sta. 1+00 450 - 400 350 • 300 • 250 -0 03 0 J 200 150 100 ♦ 50 0 0 0 1 0.2 0.3 0.4 0 5 0 6 Penetration r --- -�-------- ----------- ----- -- - --- --'— --- --�---- --- ------- - --- -' --- - --- -'---'--� - � �Rcnoour� 85 �3 ��ud"�/' Sta. 1+00 / . | 95.0 | | | . 94.0 | 93.0 / | i | ' 92� / | / � ! | | ' / 91.0 ! - | ' | 90.0 | ~ i � 21]7 220 23.0 24.0 25.0 26.0 27.0 28.0 29.0 ! - , \ | � Y6MOISTURE ! SIEVE ANALYSIS REPORT Glenmore Sec 5 Ph.3 Road"A" Sta. 1+00 Sieve Cumulative %Passing 4 100 10 91.7 40 85.6 200 72.6 ATTERBERG LIMITS Liquid Limit 43.3 Plastic Limit 27.2 Plasticity Index 16.1 " LET 36 .,_, ��9� I1•IIIII,??Y Lr !2I X TV W . �, f W.M & 20' / ,' r 1 ` r` i ESM'.TYP. f,,:. I g ,' 1 1 / I/01N p'.— _ ' :m:. 1 ► — — — —f.- J— ___L I i �i .. 04 Fil ; — — — — -� f •t— -+— — — ''i S. TY° •1 I .: I 'CM° �i+PE II 111 ' SAN I r ; i WAND Ii IN ~""' LAT 'AL € I ( °e MA . 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Iliii,-•�i� "'7j d 1, p ' ' v •� :-..:-•„/111_ -,`..f.c^-l i i AS r 4 / t• *Alp-,, ram,,,.•. ji ; la� 0, ENDfEC- ,.r"H . i c'3 xs,,: ,'7 V EN 1T7 CC EW-12' :. Ii >' r"t @ TA.8 50 6" - u / A, • b.. _. ilk' T . f,,� �.. ' - ' .,t ` i f • / .. GIN/E - t `. `, •u :`.r: I ST4 2+35 __.••i�I I'' ., Nil*1' c:> y�'D INA E ] � �� ;` -`' LOT 1�' ,�J.'., ;.;ij4128 1NI , /II II as �;'�' TYP. / / 20j DR c '/ ;� r'' 7 ! EA ENE T �.� -ii; e ,. r .,. 1 TEMPtPHAS 2 • -••��•01 1 50 �? - CBR Test '. ::"0, S-WATE'RL,INE TUB �� a STA, 01-75.001 • , ; 2.! CBR Test Locations " � iir� ,_.-, r„ Glenmore Section 5 Phase 3 ., rev ==:-.F • ; ' Femdown Lane Sta 7+75 i 6 2.5 ., - ` I i:y.;� � Road "A"_ Sta 1+00 , 1•AI i _, A�;,;,P r:•> ,i, ,, L Albemarle County, Virginia ..------ I irs .; � Gooch En ineerm & Testing Inc. L .:,I g g g, Il��0 1821 Broadway Street .' 1lI4._ ;'':: mo w ; :: - J.ii.. .■V Charlottesville, Virginia 22902