Coppell Comm 1R3-LR040610 GEOTECHNICAL AND
ENVIRONMENTAL CONSULTANTS
REPORT OF WATER INJECTION OBSERVATION
Royal Park
Freeport Parkway and Burns Street
Coppell, Texas
REPORTED TO: Hay & Jones
cio Pritchard Associates
2500 Routh Street
Dallas, Texas 75201
ATTN: Mr. Brett Ratliff
REPORT NO. 23
REPORT DATE: 06-10-04
REG PROJECT NO. 11150
TECHNICIAN: C. Johnson
PAGE: I of I
On this date a representative of Reed Engineering Group, Ltd. observed water injection
operations on the referenced project. The injection operations proceeded in accordance
with project specifications unless otherwise noted.
Specification
Injection Depth (ft) Injection Spacing Injection Pressure Injection Intervals
(ft) (psi) (in)
10 5 100-200 12-18
Equipment
Number of Number of Probes Length of Probes Probe Spacing
Rigs (ea) (ft)
2 4 12 5
Date I Area In~ected (sq ftI I Avera~le Pressure (psi~ I Pass No.
05-17-04 25,100 150 2
Surfactant added at regular intervals: Yes
Mail
Distribution: (1) Pritchard Associates/
Mr. Brett Ratliff
(1) McFadden & Miller/
Mr. Jon Jacobson
(1) Azimuth Architecture/
Mr. John Taylor
Submitted by:
REED ENGINEERING GROUP, LTD.
Original Signed By
Keith E. Atkins
Manager, C.M.T.
BW/cn
GEOTECHNICAL AND
ENVIRONMENTAL CONSULTANTS
REPORT OF FIELD DENSITY TESTS
Royal Park
Freeport Parkway and Burns Street
Coppell, Texas
REPORTED TO: Hay & Jones
c/o Pritchard Associates
2500 Routh Street
Dallas, Texas 75201
ATTN: Mr. Brett Ratliff
REPORT NO. 24
REPORT DATE: 06-10-04
REG PROJECT NO. 11150
TECHNICIAN: M. Banchetti
PAGE: 1 of 1
CONTRACTOR: McFadden & Miller
Proctor ASTM
No. Standard
I D-698
2 D-698
3 D-698
Description
Optimum Maximum
Mo sture, % Dens ty, PCF
Dark grey sandy clay
Light brown & dark gray clay w/grevel &
trace yellowish brown clay
Dark gray & reddish brown clay
24.3 96.3
22.3 99.1
19.4 102.3
Test
No. Date
Location
73
74
75
76
77
78
79
8O
81
05-21-04
Paving: 100'S, 50'W(1 )
Paving: 20'S, 50'W(1)
Paving: 60'S, 50'W(1)
Water Line: 25'N, 200'W(2)
Water Line: 25'N, 201'W(2)
Water Line: 25'N, 202'W92)
Water Line: 25'N, 20'W(2)
Water Line: 25'N, 19'W(2)
Water Line: 25'N, 18'W(2)
Depth
' Field Field
Below I
Final S.G. Density Moisture Proctor
(feet) (pcf) (%) D
0.0 91.9 25.8 1
0.0 94.2 25.1 1
0.0 93.8 25.7 1
2.0 92.6 28.5 1
1.0 91.6 26.2 1
0.0 92.5 27.4 1
2.0 91.1 28.2 1
1.0 92.9 26.9 1
0.0 93.9 25.5 1
Compaction
Level (%)
95.4
97.8
97.4
96.2
95.1
96.1
94.6
96.5
97.5
Comments: Where tested, materials were in compliance with project specifications.
Footnotes:
(1) Measurements referenced from N.W. building corner.
(2) Measurements referenced from N.E. building corner.
Mall
Distribution: (1) Pritchard Associates/Mr. Brett Ratliff
(1) McFadden & Miller/Mr. Jon Jacobson
(1) Azimuth Architecture/Mr. John Taylor
Submitted by:
REED ENGINEERING GROUP, LTD.
Original Signed By
Keith E. Atkins
Manager, CMT
BW/ns
GEOTECHNICAL AND
ENVIRONI'IENTAL CONSULTANTS
REPORT OF WATER INJECTION OBSERVATION
Royal Park
Freeport Parkway and Burns Street
Coppell, Texas
REPORTED TO: Hay & Jones
c/o Pritchard Associates
2500 Routh Street
Dallas, Texas 75201
ATTN: Mr. Brett Ratliff
REPORT NO. 19
REPORT DATE: 06-09-04
REG PROJECT NO. 11150
TECHNICIAN: C. Johnson
PAGE: 1 of 1
On this date a representative of Reed Engineering Group, Ltd. observed water injection
operations on the referenced project. The injection operations proceeded in accordance
with project specifications unless otherwise noted.
Injection Depth (ft)
10
Specification
Injection Spacing Injection Pressure Injection Intervals
(fl) (psi) (in}
5 100-200 12-18
Number of
Rigs
2
Equipment
Number of Probes ! Length of Probes
(ea) / (ft)
4 12
Probe Spacing
(ft)
5
Date
05-14-04
Area Iniected (sq fl) I Avera~le Pressure (psi) I
28,700 150
Pass No.
1&2
Surfactant added at regular intervals: Yes
Mail
Distribution: (1) Pritchard Associates/Mr. Brett Ratliff
(1) McFadden & Miller/
Mr. Jon Jacobson
(1) Azimuth Architecture/Mr. John Taylor
Submitted by:
REED ENGINEERING GROUP, LTD.
Original Signed By
Keith E. Atkins
Manager, C.M.T.
BW/cn