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RC Townhomes-LR050421ACTEC ERING AND CONSULTING MACTEC Engineering and Consulting 2200 Gravel Drive Fort Worth, Texas 76118-7123 Tel: 817 284 7755® Fax: 817-589 1420 CLIENT: PROJECT: SERVICES: J.R. ROSE DEVELOPMENT SPINNAKER DR. 410 ALLEN, TX 75013 / REPORT OF CONCRETE COMPRESSIVE STRENGTH PROJECT NO.: 9023912 REPORT NO.: 502406 DATE OF SERVICE: 4/14/2005 AUTHORIZATION: REPQRT DATE; 4/21/2005 RIVERCHASE TOWNHOMES ADDITIONS COPPELL Sample concrete at location of placement, perform required field tests, prepare and test concrete compressive strength specimens. CONTRACTOR: LTNDERGROLTND UTILITIES CONCRETE SUPPLIER: SOUTHERN STAR PLANT: 27 SPECIFICATION REQUIREMENTS STRENGTH: 3600psi @ 28 DAYS SLUMP: 5" AIR: 3.5-6.5% METHOD OF TEST SAMPLING: MOLDING & CURING: SLUMP: TEMPERATURE: AIR CONTENT: UNIT WEIGHT: CAPPING/PADS: TESTING: CYLINDER MARKED SET NO. 1 3 Technician: ASTM C172 ASTM C3Z ASTM C143 ASTM C1064 ASTM C231 ASTM C138 ASTM C1231 ASTM C39 REPORT OF TESTS CONCRETE COMPRESSIVE STRENGTH - 6 X 12 CYLINDERS MAXIMUM COMPRESSIVE PROJECT DATA CLASS OF CONCRETE: 7724 DATE OF PLACEMENT: 4/14/2005 TIME SAMPLED: 08: 10~ BY: Steve Campbell TEMPERATURE(DegF) AIR: 53 CONCRETE: 71 TRUCK NO: 1020 TICKET NO: 777207 MEASURED SLUMP (in,): 5.50 AIR CONTENT(%): 8.3% UNIT WEIGHT(pcf): MA LOCATION QF PLACEMENT: PAVING CULDESAC 10'E OF LOT 20. DATE AAGE,,,'"'~IAMETER AREA LOAD STRENGTh- ,~ TESTED ~_ (in.) (sq,in.) (lbs, force) jp$it ~~F~AC~URE TY~E 4/21/2005% 6.00 28.27 108940//~/~7~0' CONE / 5/12/2005 28 / 5/12/2005 2s Steve Campbell REMARKS Started: 06:00AM Stopped: ll:30AM Report Of Tests Continued On Page 2 MACTEC ~ ENGIN£ERING AND CONSULTIN J.R. ROSE DEVELOPMENT PROJECT NO. 9023912 DATE OFSERVICE: 4/14/2005 REPORT NO. 502406 PAGE 2 OF 2 SET NO. 2 REPORT OF CONCRETE COMPRESSIVE STRENGTH (Continued) CONTRACTOR: UNDERGROUND UTILITIES CONCRETE SUPPLIER: SOUTHERN STAR PLANT: 27 SPECIFICATION REQUIREMENTS STRENGTH: 3600psi LC 28 DAYS SLUMP: 5" AIR: 3.5-6.5% METHOD OF TEST SAMPLING: MOLDING & CURING: SLUMP: TEMPERATURE: AIR CONTENT: UNIT WEIGHT: CAPPING/PADS: TESTING: CYLINDER MARKED SET 2 1 2 2 2 3 ASTM C172 ASTM C31 ASTM C143 ASTM C1064 ASTM C231 ASTM C138 ASTM C1231 ASTM C39 REPORT OF TESTS CONCRETE COMPRESSIVE STRENGTH 6 X 12 CYLINDERS MAXIMUM COMPRESSIVE DATE AGE DIAMETER AREA TESTE~D ~s,s~ (sq,in,/ 4/21/2005 ( ? /{00 28.27 4/21/2005 ~//6.00 28.27 5/12/2005 28 PROJECT DATA CLASS OF CONCRETE: 7724 DATE OF PLACEMENT: 4/14/2005 TIME SAMPLED: 10:05~ BY: Steve Campbell TEMPERATURE (DegF) AIR: 60 CONCRETE: 69 TRUCK NO: 931 TICKET NO: 777217 MEASURED SLUMP (in,): 5.00 AIR CONTENT(%): 5% UNIT WEIGHT(pcf): NA LOCATION OF PLACEMENT: PAVING CULDESAC 5'W 0P LOT 23. LOAD STRENGTH (lbs_, force) Ipsi) ~URE TYPE REMARKS 2 ~ 5/12/2005 28 Technician: Steve Campbell Started: 06:00AM Stopped: ll:30A~ Report Distribution: (1) JR ROSE DEVELOPMENT (1) CITY OF COPPELL ENGINEERING DP ( 1 ) MARGARET GOFF/TOWNHOMES ALLEN Tim Begole, CET.