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Asphalt core specific gravity test, WTC Paving, May 2002

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Laboratory report presenting bulk specific gravity calculations for compacted asphalt mixtures from World Trade Center paving cores.

NYC-WTC_000186413–000186414
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NYC 9/11 Public Portal Document

PERCENT ASPHALT CONTENT - 5.2%(Taken from Core No.FR6)

MUNICIPAL TESTING LABORATORY, INC. 102 NEW SOUTH ROAD, HICKSVILLE NEW YORK, 11801 (516) 938-7120;FAX (516) 938-5107 www.municipaltestinglab.com email: municipal @ municipaltestinglab.com A FULL SERVICE LABORATORY AND ENGINEERING CONSULTANT; STEEL, CONCRETE, SOILS, ASPHALT & ALL BUILDING MATERIALS

LABORA TORY REPORT CLIENT: LIRO____________ DATE-PLACED: 05/20/02 PROJECT: W.T.C. Paving ' DATE-CORED: 05/28/02 CALCULATIONS BY: M.Mathew TESTED: 05/30/02 REPORT No. 9350 SPEC: NYCDDC Page 2 of 2 BULK SPECIFIC GRAVITY OF COMPACTED MIXTURE

WEIGHT-GRAMS CORE IN IN SAT-SUR. VOLUME SPECIFIC Thick- NO. AIR WATER DRY CU.CM. GRAVITY Gmb ness(mm) D E E1 (E1-E)=F D/F=G 35 FR9 652.9 380.6 659.3 278.7 2.343 60 FL1 1046.1 629.2 1047.9 418.7 2.498 51 FL2 844.0 507.4 846.7 339.3 2.487 52 FL3 855.2 508.7 856.9 348.2 2.456 48 FL4 843.7 512.3 844.4 332.1 2.540 60 FL5 1102.6 664.4 1104.4 440 2.506 55 FL6 967.6 582.6 969.6 387 2.500 0 NA

PAVEMENT DENSITY CALCULATIONS CORE BULK SPEC. SPECIFIC GRAVITY PERCENT GRAVITY DESIGN MIX VALUE COMPACTION CORE ASTM D-2726 (PLANT SUPPLIED) (Gmb/Gmm) NO. Gmb Gmm xlOO FR9 2.343 2.630 89.1 FL1 2.498 2.630 95.0 FL2 2.487 2.630 94.6 FL3 2.456 2.630 93.4 FL4 2.540 2.630 96.6 FL5 2.506 2.630 95.3 FL6 2.500 2.630 95.1 0 NA 2.630 NA

CITY_21MC100_004662568

NYC-WTC_000186414

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NYC-WTC_000186414Source: NYC Law Department, mirrored locally

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