NYC-WTC_000205249

NYC 9/11 Public Portal Document

■ Materials Testing Lab Inc. NY Metropolitan Regional Office / Corporate Headquarters 145 Sherwood Avenue, Farmingdale, NY 11735 (631)815-1900 FAX (631) 815-1901 www.materials-testing.com

MATERIALS TESTING

Client: Dept of Design & Construction Report #: 05DDC-75541 Page 1 of 1 30-30 Thompson Ave. Date: 02/15/05 Long Island City, N.Y. 11101 Break Date: 04/08/05 Item #: Project: DDC-C-1316 Contract: HWMWTCA6-D

CONCRETE FIELD DATA fASTM C192)

Truck Ticket Batch Disch. Samp. % Air Slump Cone. Unit Wt. Field Design No. No. Time Time Time Cent. (Inch) Temp, F (PCF) Set# Strength (PSI) Class F

Location(s) of Pour:

Supplier: Contractor: Inspector: Client Weather; Air Temp. Total Yardage Placed:

COMPRESSIVE STRENGTH OF CONCRETE TEST CYLINDERS (ASTM C39) f6” D x 12” H)

Field Seal Date Date Age, Cross­ Total Fracture Strength Aging Correct Comp. # # Cast Tested Days Sect. Area, Load Type (PSI) factor strength (sq. in.) (Lbs.) (PSI) 1 96 02/15/05 04/08/05 52 28.27 139000 D 4917 1.096 4486 Y 2 97 02/15/05 04/08/05 52 28.27 145500 D 5147 1.096 4696 Y 3 98 02/15/05 04/08/05 52 28.27 135000 E 4775 1.096 4356 Y

A B C D E

88 0 Cone Cone & Cone & Shear Columnar Submitted By:

Split Shear

The above reported data is the property of the client. No reproduction of the rF above data without the sole permission of Materials Testing Lab, Inc. Materials Testing accepts no liability for work executed by others.

The MT Group;»New York City • Long Island • Edison, NJ • Wallingford, CT • Dover, DE»Bethlehem, PA

CITY_21MC100_007224312

NYC-WTC_000205249