WA9601B-LR 990721StanTech 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 Fill
Post Office Box 478 Report No.: 22/0412
Coppell, Texas 75019-4409
RESULTS OF FIELD DENSITY TESTS
TEST DATE RETEST TEST LOCATION LIFE/ PROCTOR FIELD FIELD PERCENT
NO. OF DEPTH TEST DENSITY MOISTURE OF
TEST NO. PCF % SPECIFED
NIjM~ER COMPACTION
59 07/21/99 24" Water Line Backfill @ Sta. 25+50 4' 3 102.4 20.7 95.2
60 07/21/99 24" Water Line Backfill @ Sta. 26+30 NG 2 103.4 15.2 98.8
58A 07/21/99 58 24" Water Line Backfill @ Sta. 28+50 NG 2 100.7 15.2 96.2
TESTS PERFORMED BY: Walter Kirby TEST METHODS: ASTM D 2922, D 3017 D 1558, D2167 OR D 2937
REMARKS: *Indicates the moisture and/or density does not meet the required specifications.
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
SPECFICATION: 9.5% Compaction @ Optimum to +5%
DISTRIBUTION: