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121 BP Phase 1-LR 990902 GEOTECHNICAL AN] ~ F:~ r-I LJ F~ ENVIRONMENTAL CONSULTANTS CONCRETE CYLINDER TEST REPORT 121 Business Park - Buildings B-D 601,651,701 and 751 Canyon Drive Coppell, Texas REPORTED TO: The Industrial Group REPORT NO. 69 P.O. Box 802047 REG PROJECT NO. 5607 Dallas, Texas 75380-2047 SAMPLE DATE: 09-02-99 ATTN: Mr. John Walsh TECHNICIAN: J. Maldonado CONTRACTOR: Westcliffe, Inc, Location of Sample Set Number I Location I Quantity Represented 1 Bldg. #4 Slab. Line D.8 x 10.9 50/450 2 Bldg. ~4 Slab. Line D.7 x 12.5 170/450 3 Bldg. ~4 Slab. Line D.8 x 14.3 260/450 4 Bldg. #4 Slab. Line D.9 x 16.4 310/450 I' 5 Bldg. #4 Slab. Line D.7 x 18.7 410/450 Design Information Source of Concrete J Mix Identification Specified Strength p.s.i. Lattimore 18 4000 Test Results Set I CylinderI I Age@ ITotal Load Compressive I Average Strength No. ID Date Tested Test lbs. Strength p.s.i, p.s.i. 1 7288 09-09-99 7 121030 4280 7288 09-30-99 28 143060 5060 7288 09-30-99 28 143180 5060 5060 7288 Hold 2 7289 09-09-99 7 118390 4190 7289 09-30-99 28 145650 5150 7289 09-30-99 28 i42600 5040 5100 7289 Hold 3 7290 09-09-99 7 121830 4310 7290 09-30-99 28 136790 4840 7290 09-30-99 28 132340 4680 4760 7290 Hold 4 7291 09-09-99 7 113560 4020 7291 09-30-99 28 141360 5000 7291 09-30-99 28 137830 4880 4940 7291 Hold 5 7292 09-09-99 7 92790 3280 7292 09-30-99 28 116380 4120 7292 09-30-99 28 116200 4110 4120 7292 Hold 242-'- STUTZ DA S.J:TE 466 · DALLAS. ~X 75235 · TEL ~2'4] 35:55~2 · FAX ~21-'~ Cylinder Data N6i... :~ ID :il::~.::Siump I Sample Air-Temp.. i: :T~mP. Entrainment i Number' 1 7288 5.00 3:25 AM 77 88 N/A 3091268 2 7289 5.00 4:25 AM 77 88 N/A 3091275 3 7290 5.00 5:00 AM 76 87 N/A 3091282 4 7291 5.00 5:35 AM 76 87 N/A 3091285 5 7292 5.00 7:05 AM 75 88 N/A 7076435 Distribution: (1) The Industrial Group/ Submitted by: Mr. John Walsh (1) Gromatzky Dupree & Associates/ REED ENGINEERING GROUP, INC. Mr. Bennett Foster (1) Westcliffe, Inc./Mr. Charlie Johnson Original Signed By (1) The Industrial Group/ Mr. Mac McClure Keith E. Atkins (1) Campbell Associates/ KEA/sa/rt Mr. Randy Pliler (1) City of Coppell/Building Inspections (1) City of Coppell/Engineering Dept. (1) Bear Creek Construction/ Mr. Brian Holdgate (1) Mr. Hank Metzger