River Ridge Add-LR 940314 2575 Lone Star Ddve · P.O. Box 224227 · Dallas, Texas 75222
(214) 631-2700 / FAX (214) 92(~1891
REPORT OF
IN-PLACE DENSITY
CMENT: RBR, Inc.
Attn: Bobby Rollings
P.O. Box 796303
Dallas, TX 75379-6303 CLIENT NO.: 3452351
REPORT NO.: 96876
PROJECT: River Ridge Addition DATE OF SERVICE: 3/11/94
Coppell, Texas AUTHORIZATION: John
REPORT DATE: 3/14/94
SERVICES: Perform in-place density and moisture content tests to determine the degree
of field compaction.
PROJECT DATA MOISTURE/DENSITY RELATIONS
CONTRACTOR: Patco OPTIMUM MAXIMUM
MATERIALS MOISTURE % DENSITY ocf
TEST OF: Utility Backfill 94921-See remarks 13.0 120.5
94906-See remarks 16.5 111.5
94053-See remarks 20.5 103.0
METHOD OF TEST:
DENSITY: AST~[ D 2922 SPECIFICATION
MOISTURE: ASTir[ D 3017 DENSITY: 95~ MIN. DENSITY MOISTURE: NONE
REPORT OF TESTS
FIELD OPTIMUM FIELD MAXIMUM
TEST MOISTURE MOISTURE DENSITY DENSITY DENSITY
NO LOCATION (%) (%) (Pc~ (Pc~ (% max)
1. 8" Storm sewer line A,
station 1+25, 36" below
surface 13.7 13.0 118.5 120.5 98
2. 8" Storm sewer line B,
station 2+00, 50" below
surface 17.6 16.5 105.9 111.5 95
3. 8" storm sewer line B,
station 3+00, 32" below
surface 22.0 20.5 98.8 103.0 96
Report Of Tests Continued On Page 2
Our letter5 and reports are for the exclusive use of the client to whom they are addressed and shall not be reproduced except In
1007 JM full w~hout the approval of the testing laboratory The use of our name must receive our written ao~3roval. Our letters and reoorts
apply only to ~e sample tested ancl/or Inspecterd, and are not indicative of the quantities of apparently identical or similar products.
RBR, Inc. REPORT NO. 96876
CLIENT NO. 3452351 PAGE 2
DATE OF SERVICE: 3/11/94
REPORT OF TESTS (Continued)
FIELD OPTIMUM FIELD MAXIMUM
TEST MOISTURE MOISTURE DENSITY DENSITY DENSITY
NO LOCATION {%~ (%~ (Pc~ (Pct~ (% max~
4. 8" storm sewer line B,
station 1+00, 40" below
surface 21.4 16.5 106.3 111.5 95
Test results on this report meet project
specifications as noted on page 1.
ADDITIONAL COMMENTS:
94921-Tan and gray shaley clay with gravel.
94906-Brownish tan and gray clay with some shale.
94053-Dark brown shaley clay with some limestone.
Technician: Frank Tisdale, AFT
Report Distribution: Southwestern ~ie~-Inc.
(1) RBR, Inc.
(1) CC~! Engineering
(1) Parco Utitities, ]nc. /~' ( -'
(1) City of Coppel[ F. King Cook, P.E.
Our letters and reports are for the exclusive use of the client to whom they are addressed and shall not be reproduced except in
1007 JM full without the approval of the testing I@boratory. The use of .our name m. ust race,v9 our written approval. Cur lett~r~ and reports
apply only to the sample tested and/or inspecte~l, anti are not ~ndicat~ve or the quantrl:ie$ of apparent]), identical or s~m~lar procucts.