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Northlake 635(7)-LR 971203IN-PLACE DENSITY 3,_ STING ENGINEERING, IN'C. 8901 Carpenter Frwy., Suite #100 Dallas, Texas 75247 Date of Service: 11/22/1997 Report No.: 9725338 Report Date 12/03/1997 Client No.: 71765000 Project No.: 43-2479-97 Client: Prentiss Properties Limited, Inc. Project: Calling Center Attn: David Glass Coppell, Iexas 3890 W. N.W. Hx;-3', Suite 400 Dallas TX 75220 Services: In-place densit3, testing. PROJECT DATA CONTRACTOR: Butler Construction Laboratory Test.~lethod: ASTM D-698 Field Test Method: ASTM D-2922 ASTM D-3017 MOISTURE DENSITY RELATIONS: Maximum Project Requirements M/D No. Description Moisture % Density pcf Nloisture Density 1 Yellowish tan shaley clay 20.0 108.0 +4% 92% 2 w/shale and gravel 0.0 0.0 FIELD DENSITY TESTS TEST M/D 51OISTURE DRY DENSITY DENSITY NO TEST LOCATION No. (%) (pcf) (% max) W half of pad, NWC 75 3rd lift, 70'E + 50'S 1 24.6 101.1 94 76 2nd lift, 70'E + 50'S 1 24.8 100.3 93 77 3rd lift, 70'E + 150'S 1 25.1 100.5 93 78 2nd lift, 70'E ~- 150'S 1 25.0 100.8 93 79 3rd lift, 70'E + 240'S 1 25.3 101.1 94 80 2nd lift, 70'E + 240'S 1 24.4 101.1 94 81 3rd lift, 70'E + 300'S 1 24.9 100.9 93 82 2nd lift, 70'E ~- 300'S 1 25.7 101.0 94 83 3rd lift, 70'E + 350'S I 25.6 100.5 93 84 2nd lift, 70'E + 350'S 1 24.9 100.3 93 85 3rd lift, 140'£ + 340'S 1 24.3 100.0 93 This report is exclusively t'or the use of the client indicated abox e and shall not be reproduced except in full without the written approval of HBC Engineering, Inc. 07MP Page I of 2 - --COPY TEST M/D .M O]STU R~ DRY DENSITY DENSITY ~O TEST I.OCATION No. (%) (pef) (% max) 86 2nd lift, 104'E + 340'S 1 25.4 100.1 93 87 3rd lift, 140'E + 240'S 1 25.6 100.3 93 88 2nd lift, 140'E + 290'S 1 24.6 101.1 94 89 3rd lift, 140'E + 230'S 1 24.8 101.0 94 90 2nd lift, 140'E + 230'S 1 25.1 99.7 92 91 3rd lift, 140'E + 170'S 1 24.9 99.5 92 92 2nd lift, 140'E + 170'S 1 24.7 99.6 92 93 3rd lift, 140'E + 110'S 1 25.1 99.4 92 94 2nd lift, 140'E ~- 110'S 1 24.9 99.5 92 95 3rd lift, 140'E + 60'S 1 24.3 100.4 93 96 2nd lift, 140'E + 60'S 1 24.9 100.1 93 Test results on this report meet project specification. Technician: Tex King ~ Engineering, Inc. Report Distribution: (1) Prentiss Properties Limited, Inc. (1) Halff Associates, Inc. (I } Butler Construction (I) Git3' of Coppcl] Paul D. Smith, P.E. ( 1 ) Alliance Architects. Inc. (1) 11CBeck Contractors Sen ior Project Engineer (I) Brockette Davis Drake, Inc. ( 1 ) City of Coppell This report is exclusively for thc usc of the client indicated abox e and shall not be reproduced except in I'ull without the written approval of HBC Engineering, ]nc. 07MP Page 2 of 2