WA9801-LR 990702 ~nlC~. 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.: 1520COP02
City of Coppell Project: Highway 121 Water Line
255 Parkway Boulevard Location: Backfill for Utility Trench
Post Office Box 478 Report No.: 6/0288
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
NUMBER COMPACTION
11 07/02/99 Hwy 121 East of Sandy Lake @ Sta. 10+80 -2.5' 1 94.9 18.9 95.7
12 07/02/99 Hwy 121 East of Sandy Lake @ Sta. 13+20 -2.5' 1 95.0 19.8 95.9
TESTS PERFORMED BY: Walter Kirby TEST METHODS: ASTM D 2922, D 3017 D 1558, D2167 OR D 2937
PROCTOR NO.: 1 - 99.1 pcf ~ 20.2% Moisture
2 - 100.2 pcf@ 21.2% Moisture
SPECIFICATION: 95% Compaction @ -2% to +2% Optimum Moisture (Spec provided by City Inspector)
DISTRIBUTION: City of Coppell - Larry Davis
SIGNED f/ PAGE 1 OF 1