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Northlake 635(2)-LR 970322TECHNOLOGIES INC CLIENT: Maxi PROJECT: SERVICES: REPORT OF CONCRETE COMPRESSIVE STRENGTH Lincoln Property Co. 500 N. AKARD, SUITE 3300 ATTN: LARRY MOON Dallae, TX 75201 PROJECT NO.: 0903. REPORT NO.: 1129§ COPPELL BUSINESS CENTER DATE OFSERVICE: WRANGLER DR. & BELTLINE RD. AUTHORIZATION: COPPELL, TX REPORT DATE: 3/ Test compressive strength specimens prepared in conjuncti inspection. CONTRACTOR: BUTLER CONSTRUCTION CONCRETE SUPPLIER: PIONEER PLANT: 22 SPECIFICATION REQUIREMENTS STRENGTH: 5000psi @ 28 DAYS SLUMP: 5" METHOD OF TEST: ASTM C-39 ASTM C-138 CYLINDER MEASURED MARKED SLUMP DATE SET NO. (inches} TESTED 1 1 4.75 3/03/97 1 2 4.75 3/03/97 1 3 4.75 3/24/97 1 4 4.75 3/24/97 PROJECT DATA MIX DESIGN NUMBER: 9373 DATE OF PLACEMENT: 2/2 TIME SAMPLED: 10= 20AM TEMPERATURE (°F) - AIR: 50 TRUCK NO: 454 AIR CONTENT(%): 1.5% LOCATION OF PLACEMENT: Panel ~7 REPORT OF TESTS CONCRETE COMPRESSIVE STRENGTH - 6 X 12 CYLINDERS MAXIMUM AGE DIAMETER AREA LOAD (days) (in.) {sq.in.} (Ibs. force) 7 6.00 28.27 173660 7 6.00 28.27 170230 28 6.00 28.27 206620 28 6.00 28.27 204110 ADDITIONALCOMMENTS: Water added 10 gallons C~ Technician: Phillip L. Forrest Technician Report Distribution: MAYIM TFCJ. (1) LincoLn Property Co. (1) A.E.C.C. '"~ (1) BUTLER CONSTRUCTION [NCORP. (1) BROCKETT-DAVIS-ORAKE, INC. ' (1) THE CITY OF C0PPELL (1) THE CITY OF COPPELL (1) 0'BRIEN ASSOC~ATES, ZNC. 1001 FR O~ I~e~ ~ rep~ ~e f~ ~ exdmive ~ of t~ d~ to w~ t~y ~ ~ ~ r~u~ fei with~ t~ .~rov~ of m Tech. · Southwestem Labs ~5 Lone Star Dr. · P.O. Box 224227 Dallas, Texas 75222 Telephone: (214) 631-2700 FAX: {214) 920-1891 ~05034 2 /24/97 4/97 on with concrete 4/97 BY: Phillip L. Forrest CONCRETE: 70 TICKET NO: 341301 UNIT WEIGHT(pcf): NA )MPRESStVE ~TRENGTH (psi) 6140 6020 7310 7220 REMARKS BS ~facken, B.S. ,ject Manager a~ ~n Ch. E.