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Northlake 635(7)-LR000428- :??~ '~ '""::~*:"~: Clark Contractors Report Date: April 28, 2000 ..'... ~ 7 ? [' 1333 Crestside Drive Report ID. No: C604'1 . 2990 ~":' ~-~ "='"'~ :"~:~; Coppell TX 75019- ': ;' ~. · ;:: . Attention: GaryZinberg ;'" ;~ :'; ~' :~ :" ' '~ ~' ~'; REPORT OF COMPRESSIVE STRENGTH TESTS Project: PSINET 1333 Crestside Drive/Coppell, Texas Location: PIERS - #118-122 Cast Date: 3/30/00 Batch Time: 2:29 Test Time: 3:~5 Specimens Made By: JAL Supplier: BUTLER Ticket No.: L010570 Truck Number: 230 Concrete Mix: 200-1 Specified Strength: 3000 psi @ 28 days PHYSICAL PROPERTIES OF CONCRETE CASTM C143, C231. C138, C1064) Slump: 5 in. Air Content: 3.7 % Density: pcf. Temp.: 84 OF COMPRESSIVE STRENGTHS CASTM C39) Compressive Percent Specimen Age Dia. Area Load Strength of Type of (No.) (Days) (in.) (in.2) (lbs.) ¢l~si) f'__~c Fracture 1 7 6. O0 28. 27 72,100 2550 Wedge 2 7 6.00 28.27 71,860 2540 Wedge Average: 2540 85 3 28 6.00 28.27 105,920 3750 Wedge 4 28 6.00 28.27 101,110 3580 Wedge Average: 3660 122 Patton, Burke & Th~o.~ .~Fbn, LI:j~ -.~;.. ,.. cc: Concrete Supplier H~;~r,>.. ' PLR Cons~uction am ' r ' ~ - PATTON, BURKE & THOMPSON, LLC,' Engineering Consultants ........ ' ~575 ~le';~k'r'~ Streel Clark Contractors Report Date: April 28, 2000 Suite 780 1333 Crestside Drive Report ID. No: C4898 - 2990 ~" .... i,:~s 'r~",~s75~,., Coppell TX 7501g. 9 .7 m"J. 8 3 '~. 1 1 ~ ~ Attention: Gary Zinberg F;~Y, ~72.831.0P, O~q REPORT OF COMPRESSIVE STRENGTH TESTS ProJect: PSINET 1333 Crestside Drive/Coppeli, Texas Location: WEST END OF BUILDING, LEAVE OUTS Cast Date: 3/24/00 Batch Time: 7:35 Test Time: 8:35 Specimens Made By: EM Supplier: SONNTAG Ticket No.: 17579 Truck Number: 72 Concrete Mix: 4000 Specified Strength: 4000 psi @ 28 days PHYSICAL PROPERTIES OF CONCRETE (ASTM C143. C231, C138, C1064) Slump: 5.5 in. Air Content: 5.0 % Density: pct. Temp.: 78 OF COMPRESSIVE STRENGTHS (ASTM C39) Compressive Percent Specimen Age Dia. Area Load Strength of Type of (No.) (Days) (in.) (in.2) (lbs.) (r~si) f'.~c Fracture I 3 6.00 28.27 84,270 2980 Wedge 2 3 6.00 28.27 85,330 3020 Split Average: 3000 75 3 7 6.00 28.27 108, 790 3850 Wedge 4 7 6.00 28.27 105,260 3720 Cone Average: 3780 95 5 28 6.00 26.27 117,580 4160 Cone 6 28 6.00 28.27 116, 950 4140 Cone Average: 4150 104 Patton, Burke & Thompson, L~O .... ' ' ' ' cc: Concrete Supplier .... Rich .~Hammerbe, . PATTON, BURKE & THOMPSON, LLC Engineering Consultants "e',',.'F( s.,~, Clark Contractors Report Date: April 28, 2000 ' E i ~ .~ 1333 Crestside Drive Report ID. No: C6051 - 2990 ':.~. -~x.:.= 7522~: Coppell'l'X75019- 2. ~; 3 · . ' I ' ~. Attention: Gary Zinberg 972 ~' ~r REPORT OF COMPRESSIVE STRENGTH TESTS Project: PSINET 1333 Crestside Drive/Coppell, Texas Location: TRANSFORMER PAD, SOUTHEAST CORNER OF BUILDING Cast Date: 3/30/00 Batch Time: 9:14 Test Time: 10:05 Specimens Made By: EM Supplier: BUTLER Ticket No.: 003672 Truck Number: 216 Concrete Mix: 6 SACK Specified Strength: 3000 psi @ 28 days PHYSICAL. PROPERTIES OF CONCRETE (ASTM C143, C231. C138, C1064} Slump: 6 in, Air Content: % Density: pcf. Temp.: 68 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 I 3 6.00 28.27 115,380 4080 2 3 6.00 28.27 110,140 3900 Average: 3990 133 3 7 6.00 28.27 132, 720 4690 Wedge 4 7 6.00 28.27 127,970 4530 Wedge Average: 4610 154 5 26 6.00 28.27 164,080 5800 Shear 6 28 6.~.,~,~.27 167,430 5920 Shear ~,-_~ ............ .:~. ,~ Average: 5860 195 ~,,. ~_:." /~ "-.. ~'lh Patton, Burke & Thoml:~lAn~l,-..~.~, ..... ~ ..'.~ Concrete Supplier _ I~ ._ ~Ka rd~ Ham merbe~ PATTON, BURKE & THOMPSON, LLC