WA9601B-LR 990811StanTech Engineering Co.
9200 King Aahur 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.: 27/0571
CopFell, 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
NUIViBER COMPACTION
65 08/11/99 24" Water Line Backfill @ Sta. 15+00 -4' 1 107.8 15.8 97.7
66 08/11/99 24" Water Line Backfill @ Sta. 15+30 -1' 1 105.1 15.6 95.2
67 08/11/99 24" Water Line Backfill @ Sta. 11+75 -4' 2 99.9 15.3 95.4
68 08/11/99 24" Water Line Backfill @ Sta. 12+00 Final 2 99.6 16.7 95.1
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: