WA9601B-LR 990809 StanTech 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 Backfill
Post Office Box 478 Report No.: 25/0557
Coppell, Texas 75019-4409
RESULTS OF FIELD DENSITY TESTS
TEST DATE RETEST TEST LOCATION LIFT/ PROCTOR FIELD FIELD PERCENT
NO. OF DEPTH TEST DENSITY MOISTURE OF
TEST NO. PCF % SPECIFIED
NUk~ER COMPACTION
63 08/09/99 24" Water Line Backfill @ Sta. 18+00 -3.5' 2 102.8 14.9 98.2
64 08/09/99 24" Water Line Backfill ~ Sta. 18+03 -6' 2 101.7 15.4 97.1
TESTS PERFORMED BY: Roger Mannette 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
SPECII~ICATIOlq: 95% Compaction @ Optimum to +5%
DISTRIBUTION: