Chautauqua-LR 920709reed engineering
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GEOTECHNICAL CONSULTANTS
July 9, 1992
Project No. 1082
Report No. 1
Matthews Investments Southwest, Inc.
5220 Spring Valley, Suite 500
Dallas, Texas 75240
ATTN: Mr. Tim House
Re: Construction Materials Testing
Chautauqua Place
Coppell, Texas
Gentlemen:
Submitted here are the results of testing and observation of
construction materials at the referenced project. This report
addresses activities for the dates of July 8 and 9, 1992.
On the above dates, a total of twelve field density tests were
performed on the utility trench backfill. Test results are summarize
on Plate 1. Where tested, the materials were found to be in
compliance with project specifications.
Additional reports will be submitted as the work progresses. If any
questions arise, do not hesitate to call.
Sincerely,
THE REED ENGINEERING GROUP
Ronald F. Reed, P.E.
RFR/wde
copies submitted: (2) Matthews Investments Southwest, Inc./
Mr. Tim House
(1) Nathan D. Maier Consulting Engineers/
Mr. Michael Garrett
"(1) City of Coppell/Mr. Garreth Campbell
(1} HCH Construction, Inc./Mr. Mark Hicks
2424 STUTZ DRIVE ^ SUITE 400 ^ DALLAS, TEXAS 75235 ^ 214/350-5600 ^ (FAX) 2141350-0019
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CHAUTAUQUA PLACE
COPPELL, TEXAS
REPORT NO. 1
Field Density Tests
on Sanitary Sewer Backfill
Depth Com-
Below Unit pac-
Final Dry Moisture tion
Test S. G. Weight Content Curve Level
Date No. Location feet (pcf~, (~) No. ($)
07-08-92 1 Line B, 5+10 3.0 103.7 20.1 B-2 97.5
2 Line B, 5+20 4.0 103.8 19.7 B-2 97.6
3 Line B, Lot 18 1.5 101.3 20.7 C-1 97.6
4 Line B, Lot 18 0.6 100.7 21.4 C-1 97.0
5 Line B, Lot 12 4.5 104.6 20.3 B-2 98.3
6 Line B, 1+50 6.0 104.8 18.9 B-2 98.5
07-09-92 7 Line B, Lot 19 1.0 102.1 18.4 B-2 96.0
8 Line B, Lot 19 2.5 103.1 17.1 B-2 96.9
9 Line B, 3+50 3.5 101.8 21.7 C-1 98.1
10 Line B, 3+15 2.0 102.6 17.0 B-2 96.4
11 Line A, 3+32 6.0 106.4 18.8 $-2 100.0
12 Line A, 3+20 1.0 107.0 17.9 CE-1 96.4
GEOTECHNICAL CONSULTANTS
Plate 1
0o P
101
~~ 99
t
v.
3
z
0
'c 97
95
16 18 20 22 24
Moisture Content (%)
Standard Proctor Compaction Test No. C-3
25 blows per each of 3 layers, with .~,5pound hammer
and 12 inch drop using 4 _ inch diameter mold
Test performed on minus #~r ,Sieve size material
ChdUtdU Ud rider
Boring No. -Location _ ~
Coppell, Texas
Depth -Sample No.
Classification Dark grayi sh-brown (1 irne treated) clay
Liquid Limit °~
Plastic Limit
Plasticity Index -
Maximum Unit
Dry Weight 101.3 pcf
Optimum
Moisture Content 19.8 °~
OPTIMUM MOISTURE DENSITY CURVE
GEOTECHNICAL CONSULTANTS
Plate 1