CF-Coppell Rd SC-LR010928Hooper Engineering Laboratories,
Construction Materials Testing
REPORT OF WATER PRESSURE INJECTION
Inc.
CLIENT:
PROJECT:
SUPPLIER:
LOCATION:
PROCEDURE:
Texas Unified Constructors, Inc.
DATE: 28 September 2001
Field Service Offices & Maintenance Fac.
for City of Coppell, TX
Kenneth Moore
JOB NO.: 01.1054
TIME: 8:00am-3:00pm
7.0 hours
Building Pads (see below)
NUMBER OF RIGS USED: 1
On 28 September 2001, a representative of Hooper Engineering Laboratories, Inc.
visited the above named project during the time in which water pressure
injection was taking place. During that time, he noted the following:
SPECIFICATION REQUIREMENTS
1. Injection pressure 50 psi to 200 psi.
2. Injection downward in approx. 12" intervals until refusal
(If No, see remarks below.)
3. Total depth of injection - 10 feet (If No, see remarks below.)
4. Spacing for injection approx. 5 feet maximum. (If No, see remarks below.)
INSPECTION RESULTS:
200, 200, 200
Yes
Yes
Yes
NOTES:
Pass /13 completed on Vehicle & Equipment Storage pad.
Pass //3 completed on Chemical Storage pad.
TECHNICIAN:
DISTRIBUTION:
CBC
(3) City of Coppell
(1) Vidaud & Associates
(1) Texas Unified Constructors, Inc.
(1) Doyle Engineering Group
2870 Walnut Hill Lane Dallas, Texas 75229 (214) 351-6419 Fax (214) 351-5148
Hooper Engineering,Laborat°ries, Inc.
Construction Materials Testing
REPORT OF IN-PLACE DENSITY TESTS
CLIENT: Texas Unified Constructors, Inc.
DATE: 28 September 2001
PROJECT: Field Service Offices & Maintenance Fac,
Coppell, TX
JOB NO.: 01.1054
MATERIAL DESCRIPTION: 1) On-Site Fill - Dark Grey Clay
ASTM D 698 STANDARD PROCTOR: 1) 95.0 pcf @ 22.0% Moisture
38)
39)
LOCATION PROCTOR LIFT
Backfill (~ 8" Water Tap, West Side
of Coppell Road
south side of excavation
north side of excavation
BELOW
SUBGRADE
5'
1 5'
MOISTURE DRY PERCENT REQUIRED
CONTENT DENSITY COMPACTION COMPACTION
% PCF % %
22.2 92.8 97.7 95+
Optimum +/- 2%
24.0 92.2 97.1
TECHNICIAN:
DISTRIBUTION:
CDJ
(3) City of Coppell
(1) Vidaud & Associates
(1) Doyle Engineering Group
(1) Texas Unified Constructors, Inc.
2870 Walnut Hill Lane Dallas, Texas 75229 (214) 351-6419 Fax (214) 351-5148