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Park West CC(4)-LR 940114 'l erracon CONSULTANTS. INC. January 14, 1994 Dupey Management Corporation 9015 Sterling Street Irving, Texas 75063 Attn: Mr. Robert McCann Re: Water Injection Evaluations M J Designs Distribution Center Coppell, Texas Job No. 17931033 Dear Mr. McCann: As requested, two additional moisture evaluations have been completed for the referenced project. These evaluations were performed to evaluate the building pad after four and five water injections. The first evaluation was performed on January 4, 1994. A total of 6 borings were made for this study (Borings M-13-3 to M-15-3 and M-19-2 to M-21-2) at the locations indicated on the attached Figure 1. Moisture content and hand penetrometer tests were performed on all soil samples and Atterberg limits and swell tests were performed on selected samples. Results of these tests are attached. Moisture content test results in these borings indicated that soils in these borings after 4 injection passes are at/or above the desired moisture levels. Select fills should be placed as soon as possible after the subgrade is properly compacted in these areas (see Figure 1) to preserve the existing moisture levels. The areas south of Borings M-19-2 through M-21-2 were reinjected (fifth water injection) and Borings M-25-2 to M-29-2, M-31-2 to M-33-2, M-34-1 to M-35-1, and M-37-2 to M-42-2 were made on January 6, 1994 to evaluate this portion of the building pad. The location of these borings are shown on the attached Figure 2. Moisture content and hand penetrometer values were determined each soil sample and Atterberg limits and swell tests were performed on selected samples. Results of these tests indicated that these locations, with the exception of Borings M-37-2 to M-39-2 (see Figure 2), were at/or above their desired moisture levels. Installation of select fill should proceed as soon as the subgrade is properly prepared in these areas to preserve the existing moisture levels. Offices of The Terracon Companies, inc. Geotechnical, Environmental and Materials Engineers -O,S 3.cc~'.~;:s- C~Jcagz, ~cc~ Is asc I :,:-a Ceca' ~a s. Cezar Pa~ ms Da,-enc. or:. De~ Mc re~ St:'~ Lake OHa-'z-a Ok-aqom~ C I)- ~ s~ I Texas :al a~ I L:a~ Sa: _.a~e Ci¥- I '~,'-,'zm n~ S-eye--e ~ALITY ~N~INEERING $1NO~ lg65 Dupey Management Corporation Terracon Job No. 17931033 January 14, 1994 Laboratory test results indicate that the soils in Borings M-37-2 to M-39-2 have moisture contents slightly below the desired levels. Based on their present moistures and typical increases achieved with each water injection, we recommend that these areas be reinjected with water and a surfactant one additional time under the supervision of a Terracon representative. Select fills should then be placed as soon as the subgrade is properly compacted in these areas to preserve the existing moisture levels. We appreciate this opportunity to be of continued service to you on this project. If you have any questions regarding this letter please contact us. Yours very truly, ~"~l~ee~an~ Clement B. Bommarito, P.E. Project Manager " Office Manager EJC:CBB:kms cc: James, Harwick & Partners, Inc. Mr. Mark Wolf Albert H. Halff Associates, Inc. Mr. Dennis Chovan Bob Moore Construction, Inc. 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"./."////////////////////////////////////////////,~/////////////////// ''/L~/~l~'/,.'//////~*~b'///////~?~/// '////////////////////~//////////, ",~s'//////////,~///////////~///j*// '///////////////////,////////////~ .. i //:'///////////////j//////////.:/// '/$'////.' '//////:' ~ ~ ~ ~ ~ EQUIREMENTS ~ × × × ~ MEETS MOISTURE R 1-4-94 ////: SC,4£E r I" = I00' +- " BORING LOCATION DIAGRAM MOISTURE EVALUATION / MJ DESIGNS W,~REHOUSE IRVING,TEXAS · l[erracon ' ..... '"' ~'~" FIGU~ I I' //'//,///////////////////////////// '/////////////////////////////~///' ////~ · BORING LOCATION DIAGRAM MOISTURE EVALUATION ,/ MJ DESIGNS WAREHOUSE IRVING, TEXAS · ) 'lrerracon~ , ..... ,~,,. ~,,~ FI~ 2 SWELL TEST RESULTS M J DESIGNS DISTRIBUTION C~NTER COPPELL, TEXAS JOB NO. 17931033 BORING SAMPLE DEPTH LIQUID PLASTIC PLASTICITY INITIAL FINAL LOAD VERTICAL - (ft) LIMIT LIMIT INDEX MOISTURE MOISTURE (psf} SWELL , CONTENT CONTENT (%} (%) (%7 M-14-3 3 2-3 65 23 42 32.0 33.0 250 0.0 M- 12-2 5 4-5 58 20 38 29.3 31.1 500 O. 1 M-25-2 3 2-3 72 25 47 31.1 32.9 250 0.1 M-29-2 2 1-2 75 26 49 33.9 34.3 200 0.0 M-33-2 3 2-3 51 19 32 31.3 33.0 250 0.2 M-38-2 4 3-4 66 26 40 32.2 34.9 350 0.5 POST-INJECTION MOISTURE EVALUATION M J DESIGNS DISTRIBUTION CENTER COPPELL, TEXAS JOB NO. 17931033 JANUARY 4, 1994 - 4 PASSES BORING DEPTH HAND MOISTURE DESCRIPTION (ft) PENETROMETER CONTENT frSF) (%) M-13-3 0-1 1.0 36.0 CLAY, BROWN & TAN 1-2 2.5 31.1 CLAY, BROWN & TAN 2-3 1.5 30.1 CLAY, BROWN & TAN 3-4 2.5 32.1 CLAY, BROWN & TAN 4-5 2.5 33.0 CLAY, TAN 5-6 2.5 30.0 CLAY, TAN & BROWN 6-7 1.5 33.1 CLAY, TAN M-14-3 0-1 2.75 30.0 CLAY, BROWN 1-2 2.0 29.8 CLAY, BROWN 2-3 1.0 32.6 CLAY, BROWN 3-4 2.25 30.5 CLAY, TAN 4-5 3.0 30.4 CLAY, BROWN & TAN 5-6 2.25 30.9 CLAY, TAN 6-7 4.5 30.0 CLAY, TAN POST-INJECTION MOISTURE EVALUATION M J DESIGNS DISTRIBUTION CENTER COPPELL, TEXAS JOB NO. 17931033 JANUARY 4, 1994 - 4 PASSES BORING DEPTH HAND MOISTURE DESCRIPTION (ft) PENETRO METER CONTENT ClSF) (%) M-15-3 0-1 0.75 34.5 CLAY, DARK BROWN 1-2 1.25 32.2 CLAY, DARK BROWN 2-3 1.25 34.5 CLAY, DARK BROWN 3-4 2.5 30.6 CALCAREOUS CLAY, BROWN 4-5 2.5 29.3 CLAY, BROWN 5-6 2.5 29.0 CLAY, BROWN 6-7 2.5 30.3 CLAY, BROWN & GRAY M-19-2 0-1 2.5 30.3 CLAY, BROWN 1-2 2.5 29.9 CLAY, BROWN 2-3 2.0 31.3 CLAY, BROWN 3-4 2.0 31.0 CLAY, BROWN 4-5 2.5 29.1 CLAY, TAN 5-6 2.0 30.1 CLAY, TAN & GRAY 6-7 2.0 30.4 CLAY, BROWN POST-INJECTION MOISTURE EVALUATION M J DESIGNS DISTRIBUTION CENTER COPPELL, TEXAS JOB NO. 17931033 JANUARY 4, 1994 - 4 PASSES BORING DEPTII HAND MOISTURE DESCRIPTION (ft) PENETROMETER CONTENT frSF) (%) M-20-2 0-1 1.0 34.6 CLAY, BROWN 1-2 2.0 31.1 CLAY, BROWN 2-3 2.5 30.9 CLAY, BROWN 3-4 2.5 29.2 CLAY, BROWN 4-5 2.5 29.2 CLAY, BROWN 5-6 3.0 31.1 CLAY, BROWN 6-7 2.25 29.9 CLAY, TAN M-21-2 0-1 0.75 33.2 CLAY, BROWN 1-2 1.75 32.2 CLAY, BROWN 2-3 1.0 34.6 CLAY, BROWN 3-4 2.5 30.3 CLAY, BROWN 4-5 2.25 34.8 CLAY, BROWN 5-6 3.0 30.2 CLAY, BROWN 6-7 3.0 29.7 CLAY, BROWN POST-INJECTION MOISTURE EVALUATION M J DESIGNS DISTRIBUTION CENTER COPPELL, TEXAS JOB NO. 17931033 JANUARY 6, 1994 - 5 PASSES BORING DEPTH HAND MOISTURE DESCRIPTION (ft) PENETROMETER CONTENT (TSF) (%) M-25-2 0-1 1.25 34.0 CLAY, DARK BROWN 1-2 2.0 32.3 CLAY, DARK BROWN 2-3 2.25 30.6 CLAY, DARK BROWN 3-4 2.5 25.9 CALCAREOUS CLAY, TAN & BROWN 4-5 3.0 31.9 CLAY, TAN & BROWN 5-6 2.5 30.7 CLAY, TAN & BROWN 6-7 2.0 32.7 CLAY, TAN & GRAY M-26-2 0-1 1.0 36.7 CLAY, DARK BROWN 1-2 1.0 39.6 CLAY, DARK BROWN 2-3 1.25 38.4 CLAY, DARK BROWN 3-4 1.0 39.9 CLAY, BROWN 4-5 1.5 33.0 CLAY, TAN 5-6 3.25 31.6 CLAY, TAN & GRAY 6-7 3.5 31.7 CLAY, TAN & GRAY POST-INJECTION MOISTURE EVALUATION M J DESIGNS DISTRIBUTION CENTER COPPELL, TEXAS JOB NO. 17931033 JANUARY 6, 1994 - 5 PASSES BORING DEPTII IiAND MOISTURE DESCRIPTION (ft) PENETROMETER CONTENT frSF) (%) M-27-2 0-I 1.0 40.6 CLAY, DARK BROWN I-2 1.75 37.6 CLAY, DARK BROWN 2-3 2.0 35.5 CLAY, DARK BROWN 3-4 3.0 33.2 CLAY, DARK BROWN 4-5 2.75 28.7 CALCAREOUS CLAY, TAN & BROWN 5-6 3.0 28.2 CALCAREOUS CLAY, TAN & BROWN 6-7 2.5 32.2 CLAY, TAN & GRAY M-28-2 0-1 2.0 30.2 CLAY, DARK BROWN 1-2 2.25 29.1 CLAY, BROWN 2-3 2.25 33.5 CLAY, BROWN 3-4 2.25 32.0 CLAY, BROWN 4-5 2.25 31.0 CLAY, TAN & GRAY 5-6 2.75 31.3 CLAY, TAN & GRAY 6-7 2.5 33.2 CLAY, TAN & GRAY POST-INJECTION MOISTURE EVALUATION M J DESIGNS DISTRIBUTION CENTER COPPELL, TEXAS JOB NO. 17931033 JANUARY 6, 1994 - 5 PASSES BO RING DEPTH IIAND MOISTURE DESCRIPTION (ft) PENETROMETER CONTENT CrSF) (%) M-29-2 0-1 2.0 30.1 CLAY, DARK BROWN 1-2 1.5 33.9 CLAY, DARK BROWN 2-3 1.5 33.1 CLAY, DARK BROWN 3-4 2.5 29.1 CLAY, BROWN 4-5 2.5 32.1 CLAY, TAN & GRAY 5-6 2.5 28.9 CLAY, TAN & GRAY 6-7 2.25 30.9 CLAY, TAN & GRAY M-31-2 0-1 3.0 33.4 CLAY, DARK BROWN 1-2 3.0 30.5 CLAY,BROWN 2-3 3.0 28.6 CALCAREOUS CLAY, TAN 3-4 3.0 30.4 CALCAREOUS CLAY, TAN & GRAY 4-5 3.5 31.1 CALCAREOUS CLAY, TAN 5-6 4.0 33.4 CALCAREOUS CLAY, TAN & GRAY 6-7 3.5 33.5 CALCAREOUS CLAY, TAN & GRAY POST-INJECTION MOISTURE EVALUATION M J DESIGNS DISTRIBUTION CENTER COPPELL, TEXAS JOB NO. 17931033 JANUARY 6, 1994 - 5 PASSES BORING DEPTH HAND MOISTURE DESCRIPTION (ft) PENETROMETER CONTEN'F frSF) (%) M-32-2 0-1 3.0 39.5 CLAY, DARK BROWN 1-2 3.0 34.0 CLAY, BROWN 2-3 3.75 33.0 CALCAREOUS CLAY, TAN 3-4 3.75 29.7 CALCAREOUS CLAY, TAN 4-5 3.25 33.5 CALCAREOUS CLAY, TAN 5-6 3.0 33.1 CALCAREOUS CLAY, TAN & GRAY 6-7 3.25 31.9 CALCAREOUS CLAY, TAN & GRAY M-33-2 0-1 3.0 31.9 CLAY, BROWN 1-2 3.0 31.1 CLAY, BROWN 2-3 2.5 31.3 CALCAREOUS CLAY, TAN & BROWN 3-4 2.75 30.0 CALCAREOUS CLAY, TAN 4-5 3.0 30.0 CALCAREOUS CLAY, TAN 5-6 3.25 30.0 CALCAREOUS CLAY, TAN 6-7 4.0 36.2 SHALEY CLAY, TAN & GRAY POST-INJECTION MOISTURE EVALUATION M J DESIGNS DISTRIBUTION CENTER COPPELL, TEXAS JOB NO. 17931033 JANUARY 6, 1994 - 5 PASSES BORING DEPTH HAND MOIS~I~RE DESCRIPTION (fi) PENETROMETER CONTENT frSF) (%) M-34-1 0-1 2.0 33.0 CLAY, DARK BROWN 1-2 2.0 31.3 CLAY, DARK BROWN 2-3 2.0 29.4 CLAY, BROWN 3-4 2.5 33.1 CLAY, TAN & BROWN 4-5 3.0 32.0 CLAY, TAN & GRAY 5-6 2.5 29.4 CLAY, TAN & GRAY 6-7 2.75 39.6 CLAY, TAN & GRAY M-35~ 1 0-1 1.5 30.3 CLAY, DARK BROWN 1-2 1.5 32.8 CLAY, DARK BROWN 2-3 2.25 29.9 CLAY, BROWN 3-4 1.75 30.7 CLAY, BROWN 4-5 2.5 32.2 CLAY, TAN & BROWN 5-6 2.75 33.1 CLAY, TAN & GRAY 6-7 2.5 27.8 CALCAREOUS CLAY, TAN POST-INJECTION MOISTURE EVALUATION M J DESIGNS DISTRIBUTION CENTER COPPELL, TEXAS JOB NO. 17931033 JANUARY 6, 1994 - 5 PASSES BORING DEPTH tlAND MOISTURE DESCRIPTION (ft) PENETROMETER CONTENT (TSF) (%) M-37-2 0-1 2.5 29.7 CALCAREOUS CLAY, TAN 1-2 4.0 30.7 SHALEY CLAY, TAN 2-3 4.0 29.9 SHALEY CLAY, TAN 3-4 3.5 31.3 SHALEY CLAY, TAN 4-5 3.0 30.3 SHALEY CLAY, TAN 5-6 3.0 30.4 SHALEY CLAY, TAN 6-7 3.0 32.4 SHALEY CLAY, TAN M-38-2 0-1 3.0 31.2 SHALEY CLAY TAN 1-2 3.5 31.4 SHALEY CLAY TAN 2-3 3.0 32.8 SHALEY CLAY TAN 3-4 3.0 32.2 SHALEY CLAY. TAN 4-5 4.5 30.7 SHALEY CLAY TAN 5-6 4.5 30.8 SHALEY CLAY. TAN 6-7 3.0 32.5 SHALEY CLAY. TAN POST-INJECTION MOISTURE EVALUATION M J DESIGNS DISTRIBUTION CENTER COPPELL, TEXAS JOB NO. 17931033 JANUARY 6, 1994 - 5 PASSES BORING DEPTIt HAND MOISTURE DESCRIPTION PENETROMETER CONTENT M-39-2 0-1 4.0 32.3 SHALEY CLAY TAN 1-2 4.0 31.2 SHALEY CLAY TAN 2-3 3.5 30.3 SHALEY CLAY TAN 3-4 3.5 32.9 SHALEY CLAY TAN 4-5 4.0 31.6 SHALEY CLAY TAN 5-6 4.5 32.1 SHALEY CLAY TAN 6-7 4.5 32.6 SHALEY CLAY TAN M-40-2 0-1 2.5 30.5 CALCAREOUS CLAY, TAN 1-2 2.0 32.1 CALCAREOUS CLAY, TAN & GRAY 2-3 3.0 30.7 CALCAREOUS CLAY, TAN & GRAY 3-4 4.5 30.8 SHALE¥ CLAY, TAN & GRAY 4-5 3.0 32.3 SHALEY CLAY, TAN & GRAY 5-6 4.0 31.7 SHALEY CLAY, TAN & GRAY 6-7 4.0 34.3 SHALEY CLAY, TAN & GRAY POST-INJECTION MOISTURE EVALUATION M J DESIGNS DISTRIBUTION CENTER COPPELL, TEXAS JOB NO. 17931033 JANUARY 6, 1994 - 5 PASSES BORING DEPTH HAND MOISTURE DESCRIPTION PENETROMETER CONTENT M-41-2 0-1 0.5 39.7 CLAY, DARK BROWN 1-2 1.5 33.5 CLAY, DARK BROWN 2-3 2.0 33.0 CLAY, TAN & GRAY 3-4 2.5 31.5 CLAY, TAN & GRAY 4-5 2.5 31.5 CLAY, TAN & GRAY 5-6 4.5 32.6 SHALEY CLAY, TAN & GRAY 6-7 4.5 31.5 SHALEY CLAY, TAN & GRAY M-42-2 0-1 1.75 30.6 CLAY, DARK BROWN 1-2 1.5 29.6 CLAY, DARK BROWN 2-3 2.5 30.3 CLAY, DARK BROWN 3-4 2.0 30.2 CLAY, DARK BROWN 4-5 1.5 32.2 CLAY, BROWN 5-6 2.75 30.0 CLAY, TAN & GRAY 6-7 2.5 32.1 CLAY, TAN & GRAY