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Northlake 635(7)-LR00070510575 Newkirk Street Clark Contractors Report Date: July 05, 2000 Suite 780 1333 Crestside Drive Report ID. No: G8720 - 2990 Dallas, Texas 75220 9 7 2. 8 3 1 . I I 1 1 Coppell TX 750'19- Attention: Gary Zinberg FAX 972.831.0800 REPORT OF COMPRESSIVE STRENGTH TESTS Project: PSINET 1333 Crestside Drive/Coppell, Texas Location: SLAB- BA TTERY ROOM #121- INTERIOR SLAB Cast Date: 6/6/00 Batch Time: 7:39 Test Time: 9:30 Specimens Made By: DJ Supplier: BUTLER Ticket No.: 8957 Truck Number: 255 Concrete Mix: 200 Specified Strength: 3000 psi C~ 28 days PHYSICAL PROPERTIES OF CONCRETE (ASTM C143. C231. C138. C1064) Slump: 6 in. Air Content: 0.0 % Density: pcf. Temp.: 80 OF COMPRESSIVE STRENGTHS (ASTM C39) Compressive Percent Specimen Age Dia. Area Load Strength of Type of (No.) (Days) (in.) (in.2) (lbs.) (psi) f'._~c Fracture t 7 6.00 28.27 92,700 3280 Cone 2 7 6.00 28.27 98,290 3480 Cone Average: 3380 113 3 28 6.00 28.27 126,850 4490 Wedge 4 28 6.00 28.27 118,840 4200 Wedge Average: 4340 145  . ~..;_~ ~ '.. ,'~ PLR Construction ; ; PATTON, BUR~ & THOMPSON, LLC Engineering Consultants~ 0575 Hewkirk Street u it e 7 8 0 Clark Contractors Report Date: July05, 2000 D.II. s, Te x ns75220 1333 Crestside Drive Report ID. No: C6727 - 2990 9 ? 2.8 3 I . ! 1 I 1 Coppell TX 75019- A X 972.831.0800 Attention: Gary Zinberg REPORT OF COMPRESSIVE STRENGTH TESTS Project: PSINET ~333 Crestside Drive/Coppell, Texas Location: SLAB ON GRADE SE CORNER, 20' WEST & 6' SO. Cast Date: 6/6/00 Batch Time: Test Time: 10:45 Specimens Made By: DJ Supplier: BUTLER Ticket No.: 6525 Truck Number: 214 Concrete Mix: 2021 Specified Strength: 4000 psi {~ 28 days PHYSICAL PROPERTIES OF CONCRETE (ASTM C143. C231. C138. C1064} Slump: 5 in. Air Content: 2.0 % Density: pcf. Temp.: 80 OF COMPRESSIVE STRENGTHS (ASTM C39} Compressive Percent Specimen Age Dia. Area Load Strength of Type of (No.) CDavs} (in.) (in.2) (lbs.) Iosi} f'__c Fracture I ? 6.00 28.27 115,830 4100 Cone 2 7 6.00 28.27 102,480 3620 Cone Average: 3860 97 3 28 6.00 28.27' 142,420 5040 Shear 4 28 6.00 28.27 142,140 5030 Wedge Average: 5040 126 Patton, Burke & Thompso~.~'v:ii~ ..... '~-?~ cc: Concrete Supplier PLR Construction - - ........ / ' PA??ON, BU~I{.E & ?I'IO~PSON, Et-C Engineering Consultants~ 10575 Newkirk Street Glark Gontractors Report Date: July 05, 2000 Suite 780 1333 Crestside Drive Report ID. No: C6863 - 2990 Dallas, Tex0s 75220 9 ? 2. 8 3 I. 1 1 1 I Coppell TX ?5019- Attention: Gary Zinberg FAX 972.831.0800 REPORT OF COMPRESSIVE STRENGTH TESTS Project: PSlNET 1333 Crestside Drive/Coppell, Texas Location: SLAB ON STYROFOAM - SW END OF BLDG., POP ROOM #121 Cast Date: 6/27/00 Batch Time: 7:37 Test Time: 9:15 Specimens Made By: DJ Supplier: CLARK Ticket No.: 9273 Truck Number: 222 Concrete Mix: 5 SK Specified Strength: 3000 psi @ 28 days PHYSICAL PROPERTIES OF CONCRETE (ASTM C143. C231. C138. C1064) Slump: 6 in. Air Content: 1.8 % Density: pcf. Temp.: 90 OF COMPRESSIVE STRENGTHS (ASTM C39) Compressive Percent Specimen Age Dia. Area Load Strength of Type of (No.) (Days) (in.) (in.2) (lbs.) (osi) f'._~c Fracture I 7 6.00 28.27 64,970 2300 Wedge 2 7 6.00 28.27 80,410 2840 Wedge Average: 2570 86 Patton, Burke & T~o~:)so_? .l~:..'t,-- ..~t:;, · ..~o,_,,~ cc: Concrete Supplier by: /~~- ~MERBERG ~ ~lbl~l U ~gll III I~1 ~1~ ~AAd A ; ' 't ~ ~ ...... ~ PATTON, BUR~ & THOMPSON, LLC Engineering ~onsultonts ~