WA9601B-LR 990816 Engineering Co.
9200 King Arthur Drive
Dallas, Texas 75247-3610
Phone 214/631-4372 Fax 214/631-4380
Mr. Kenneth Griffin, P.E. Project No.: 1520COP01
City of Coppell Project: Sandy Lake Road
255 Parkway Boulevard Location: Utility Trench Back~H
Post Office Box 478 Report No.: 29/0620
Coppell, Texas 75019-4409
RESULTS OF FIELD DENSITY TESTS
TEST DATE PETEST TEST LOCATION LIFT/ PROCTOR FIELD FIELD PERCENT
NO. OF DEPTH TEST DENSITY MOISTURE OF
TEST NO. PCF % SPECIFIED
NUMBER COMPACTION
73 08/16/99 - 24" Water Line Backfill @ Sta. 3+35 -4' 2 99.9 15.2 95.4
74 08/16/99 - 24" Water Line Backfill @ Sta. 3+45 Final 2 100.0 15.0 95.5
TESTS PERFORMED BY: Walter Kirby TEST METHODS: ASTM D 2922, D 3017, D 1558, D2167 OR D 2937
REMARKS:
PROCTOR NO.: 1 - 110.4 pcf@ 15.6% Moisture
2 - 104.7 pcf@ 13.9% Moisture
3 - 107.6 pcf@ 17.3% Moisture
4 - 119.0 pcf@ 12.3% Moisture
Average of # 1 and #4 - 115.1 pcf @ 13.9% Moisture
5 - 114.9 pcf@ 13.6% Moisture
SPECIFICATION: 95% Compaction @ Optimum to +5%
DISTRIBUTION: