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ST9505-LR 950608Hooper Engineering Laboratories, Inc. Construction Materials Testing REPORT OF IN-PLACE DENSITY TESTS CLIENT: Prentiss Properties DATE: 8 June 1995 PROJECT: Executive Drive, Coppell, TX JOB NO.: 95.1053 MATERIAL DESCRIPTION: 1) On-Site Fill - Tan Clay 2) On-Site Fill - Dark Grey Clay & Tan Clay ASTM D 698 STANDARD PROCTOR: 1) 90.0 pcf @ 28.0% Moisture 2) 93.0 pcf @ 25.0% Moisture 17) 18) 19) 20) 21) LOCATION PROCTOR LIFT MOISTURE DRY PERCENT CONTENT DENSITY COMPACTION % PCF % BELOW Backfill Over Sanitary Sewer Line SUBGRADE approx. Station 9 + 20 I 6'-7' 28.1 approx. Station 6 + 50 2 2' 27.2 approx. Station 4 + 50 2 2' 28.3 86.1 95.7 9O.2 97.0 95.1 102.3 Backfill (~ 5'x3' Box Culvert approx. Station 0 + 50 approx. Station 0 + 65 1 2' 30.7 89.9 99.9 1 5'-6' 29.8 89.7 99.7 REQUIRED COMPACTION % 95 + -2% to +4% Of Optimum TECHNICIAN: DISTRIBUTION: CDJ (1) Prentiss Properties, Tom Navin (1) L. H. Lacy Company (1) City of Coppell 2870 Walnut Hill Lane Dallas, Texas 75229 (214) 351-6419 Fax (214) 351-5148