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Northlake 635(7)-LR000424 Clark Contractors Report Date: April 24, 2000 ~ ~ i '~ 7 ~ ~' '1333 Crestside Drive Report ID. No: C6183 - 2990 :' ~1,~.. '~m( ~s 75220 Coppell TX 750'19- Attention: Gary Zinberg FAX s72.B3..O~Oo REPORT OF COMPRESSIVE STRENGTH TESTS Project: PSINET 1333 Crestside Drive/Coppell, Texas Location: PAVED - ACCESS RAMP (AREA D) INSIDE BLDG Cast Date: 4/13/00 Batch Time: 9:20 Test Time: 11:15 Specimens Made By: TT Supplier: BUTLER Ticket No.: L010883 Truck Number: 222 Concrete Mix: 322 Specified Strength: 4000 psi @ 28 days PHYSICAL PROPERTIES OF CONCRETE (ASTM C143, C231, C138, C1064) Slump: $.5 in. Air Content: O. 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.) (13si) f'c Fracture 1 7 6.00 28.27 146, 920 5200 Wedge 2 7 6.00 28.27 ~41,250 5000 Wedge Average: 5 ~ 00 127 Patton, Burke & Thompson, ~[~"~' . . ,',.~-.--. ........!~.~ cc: Concrete Supplier b ~// ~). 80810 .~:. PLR Construction ....... RECEIVED R~ J. Hammerber~~(~~ ......... Glar~ jecnnoiogies PATTON, BURKE & THOMPSON, LLC En.qineerin~ ¢onseltunts ........ Clark Contractors Report Date: April 24, 2000 s ] J - e 7§[: 1333 Crestside Drive Report ID. No: C4897 - 29g0 Coppell TX 75019- ~, :~ ~. I i ~ ~ Attention: Gary Zinberg REPORT OF COMPRESSIVE STRENGTH TESTS Project: PSlNET 1333 Crestside Drive/Coppeil, Texas Location: SLAB LEAVEOUTS, SOUTHEAST END OF BUILDING Cast Date: 3/23/00 Batch Time: 7:19 Test Time: 8:25 Specimens Made By: EM Supplier: SONNTAG Ticket No.: 17554 Truck Number: 75 Concrete Mix: 4000 Specified Strength: 4000 psi @ 28 days PHYSICAL PROPERTIES OF CONCRETE (ASTM Ci43, C231. C138, C1064) Slump: 5 in. Air Content: 5.5 % Density: pcf. Temp.: 73 OF COMPRESSIVE STRENGTHS (ASTM C39) Compressive Percent Specimen Age Dia. Area Load Strength of Type of (No.) CDavs} (in.) (in.2) (lbs.) h~si} f'__~c Fracture 1 4 6.00 28.27 109,350 3870 Wedge 2 4 6.00 28.27 91,180 3220 Wedge Average: 3540 89 3 7 6.00 28.27 131, 730 4660 Wedge 4 7 6. O0 28. 27 124,540 4400 Split Average: 4530 113 5 28 6. O0 28.27 152,340 5390 Wedge 6 28 6.00 28.27 163, t00 5770 Cone Average: 5580 140 ~. ~. 0;- T...~ Patton, Burke & Thomoson, L~/ ~ 'S ~.'~ cc: Concrete Supplier ~ ~ ~ H~,~v'~"[~-~'' : PLR Construction by: Z%) RECEIVED XRic~d ~Hammerber~. e~ ~'-'"~= · - ' "-~'~ .......... ~ ~o;'. · G,:~%;' ~- ~ Clark Technologies ~A~O~ ~ & ~O~SO~ [[C