Park West CC(02-2)-LR050822 G EOTECHNICAL AND
ENVIRONMENTAL CONSULTANTS
REPORT OF FIELD DENSITY TESTS
Park West Commerce Center
Beltline Road and Airline Road
Coppell, Texas
REPORTED TO: Cadence McShane Corporation
14860 Montfort Drive, Suite 270
Dallas, Texas 75254
ATTN: Mr. Bobby Paret
CONTRACTOR: Cadence McShane Corporation
REPORT NO. 23
REPORT DATE: 08-22-05
REG PROJECT NO. 12468
TECHNICIAN: P. Becerra
PAGE: 1 of 1
Proctor ASTM Optimum Maximum
No. Standard Description Moisture, % Density, PCF
1 D-698 Dark gray and Olive brown clay 25.4 91.5
2 D-698 Dark brown clay w/calcareous nodules and 23.9 94.4
trace of gravel
Test Depth
Below I Field I FieLd
Final S.G. Density Moisture Proctor Compaction
No. Date Location (feet) (pcf) (%) ID Level (%)
55 08-13-05 Storm Line ST-3: STA 4+57.31 2.0 91.0 26.0 2 96.3
56 Storm Line ST-3: STA 6+87.36 2.0 90.1 27.0 2 95.4
57 Storm Line ST-3: STA 9+39.65 1.0 92.1 24.2 2 97.5
68 Storm Line ST-3: STA 4+57.31 1.0 91.7 25.0 2 97.1
59 Storm Line ST-3: STA 6+87.36 1.0 90.8 26.9 2 96.1
60 08-16-05 Storm Line ST-2: STA 0+00 2.0 91.9 26.4 2 97.3
61 Storm Line ST-2: STA 0+00 1.0 90.4 26.8 2 95.7
62 Water Line: 2'S, 75'E(1) 2.0 92.0 24.8 2 97.4
63 Water Line: 3'S, 70'E(1 ) 1.0 91.6 25.2 2 97.0
64 Storm Line ST-2: STA 6+50 2.0 90.0 24.2 2 95.3 (*)
65 Storm Line ST-2: STA 4+00 2.0 91.3 24.8 2 96.7 (*)
66 08-17-05 Storm line ST-3: STA 2+88 3.0 87.9 28.2 1 96.0
Comments: Where tested, materials were in compliance with project specifications.
(*) Indicates passing retest from 08-10-05 and 08-12-05, Report Nos. 18 and 21.
Footnote: (1) Measurements referenced from 75' east Line ST-2 STA 0+00.
Mail
Distribution:
(1) Cadence McShane Corporation/
Mr. Bobby Paret
(1) Commerce Construction Co., LP/
Mr. Rick Wyly
(1) City of Coppell/Mr. Larry Davis
(1) City of Coppell/Mr. Lee Stone
(1) Northwestern Investment Mgmt./
Mr. Ernest Willmore
(1) Stewart Consulting Associates/
Mr. Mike Smith
Submitted by:
REED ENGINEERING GROUP, LTD.
Original Signed By
Keith E. Atkins
Manager, CMT
BW/cn
2424 STUTZ DR. * SUITE 400 · DALLAS, TX 75235 * ilL [214] 350 5600 · F^X [214] 350 0019
(~EOTECNNICALAND ~ ~1 D I I ~
ENVIRONMENTAL CONSULTANTS
REPORT OF WATER INJECTION OBSERVATION
~ Park West Commerce Center
~ Beltline Road and Airline Road
Coppell, Texas
REPORTED TO: Cadence McShane Corporation
14860 Montfort Drive, Suite 270
Dallas, Texas 75254
ATTN: Mr. Bobby Paret
CONTRACTOR: Cadence McShane Corporation
REPORT NO. 24
REPORT DATE: 08-22-05
REG PROJECT NO. 12468
TECHNICIANS: G. &
PAGE: 1 of 1
On these dates a representative of Reed Engineering Group, Ltd. observed
operations on the referenced project. The injection operations proceeded in
with project specifications unless otherwise noted.
Specification
Injection Depth Injection Spacing I Injection Pressure Injection Intervals
(ft) (ft) I (psi) (in)
10 5 100-200 12-18
Equipment J
Number of [ Number of Probes Length of Probes Probe Spacing
Rigs I (ea) (fl) (fi)
5 4 11.5 5
Date
08-13-05
08-15-05
08-16-05
08-17-05
Area Injected (sq ft) I Avera~le Pressure (psi) I Pass No.
Surfactant added at re
Mail
Distribution:
27,600 150
5,050 150 2
12,750 150 1
6,000 150 2
18,000 3
18,000 1
27,600 1
5,050 150 2
15,000 110 1 & 3
10,125 110 1
28,000 110 3
4,250 110 2
37,250 110 3
s: Yes
(1) Cadence McShane Corporation/
Mr. Bobby Paret il~'~ ~=JI~"R~[NGINEERING GROUP' LTD''~'~'ins
(1) Commerce Construction Co., LP/
Mr. Rick Wyly
(1) City of Coppell/Mr. Larry Dav
(1) City of Coppell/Mr. Lee Ston6 S~,th
(1) Northwestern investment Mgmt./ f'~"'Manager, CMT
Mr. Ernest Willmore
(I) Stewart Consulting Associates/ KEAJcn
Mr. Mike Smith
2424 STUTZ DR. · SUITE 400 * DALLAS, TX 75235 · T~L [2141350 5600 * F^x[214] 3500019
GEOTECHNICAL AND [~ J:=:J I"-1 U ~
ENVIRONMENTAL CONSULTANTS
REPORT OF WA~,T. rF.~JECTION OBSERVATION
~,.~est Commerce Center
~'- Beltline Road and Airline Road
Coppell, Texas
REPORTED TO: Cadence McShane Corporation REPORT NO. 20
14860 Montfort Drive, Suite 270 REPORT DATE: 08-22-05
Dallas, Texas 75254 REG PROJECT NO. 12468
ATTN: Mr. Bobby Paret TECHNICIANS: J. Seeton,
G. Tsougarkis &
S. Davis ~
PAGE: 1 of 1 ,/"/J Il
On these dates a representative of Reed Engineering Group, Ltd. observed water injecJ~/~F./
operations on the referenced project. The injection operations proceeded in accordalrtl;~j.~'
with project specifications unless otherwise noted. ~
Specification
Injection Depth Injection Spacing Injection Pressure Injection Intervals
(fi) (fi) (psi) (in)
10 5 100-200 12-18
Equipment
Number of Number of Probes Length of Probes Probe Spacing
Ri~s (ea) (ft) (fi)
2/3 4 12 2.5
Date J Area Injected (sqft) r Average Pressure (psi) J Pass No.
08-10-05 Building A 24,000 150 2
08-11-05 Building A 17,000 160 2
08-12-05 Building A 28,500 150 3
Building B 12,000 170 2
08-13-05 Building B 4,250 150 1
Building B 4,250 150 /~ ,~,/3
Surfactant added at regular intervals: Yes
Mail
Distribution: (1) Cadence McShane Corporation/
Mr. Bobby Paret
(1) Commerce Construction Co., LP/
Mr. Rick Wyly
(1) City of Coppell/Mr. Larry Davis
(1) City of Coppell/Mr. Lee Stone
REED ENGINEERING GROUP, LTD.
Original Signed By
Keith E. Atkins
(1) Northwestern Investment Mgmt./
Mr. Ernest Willmore
(1) Stewart Consulting Associates/
Mr. Mike Smith
2424 STUTZ DR. · SUITE400 · DALLAS, TX 75235 · TEL[2]4]3505600 · ~^X [2141350 0019
Manager, CMT
BW/cn ~