WA9601B-LR 990813 g200 King Arthur Drive
Dallas, Texas 75247-3610
Pt~one 2'14/83'1-4372 Fax 2'14/83'1-4380
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.: 28/0603
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
69 08/13/99 - 24" Water Line Backfill @ Sta. 9+00 -4' 3 102.8 19.7 95.5
70 08/13/99 - 24" Water Line Backfill @ Sta. 9+25 -1' 2 100.4 15.8 95.9
71 08/13/99 ~ 24" Water Line Backfill @ Sta. 6+50 -5' 2 101.0 15,2 96.5
72 08/13/99 - 24" Water Line Backfill @ Sta. 6+70 Final 2 101.1 16,1 96.6
TESTS PERFORMED BY: Walter Kirby TEST METHODS: ASTM D 2922, D 3017, D 1558, D2167 OR D 2937
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: