Big Cedar-LR 920408APR-09-'92 THU 09:28 ID:REED ENG. GROUP
TEL N0:214 350-0019
~615 P02
eed enltinee ing
~3Eu ~ e:CHNICAL GON~UL,TAI~I ~
April 8, 1992
proOeot No, 824
~port No. S
Matthews Investments Southwest, Inc.
5220 Sprlng V&iXeyROad, suite 500
DB11aI, T~I 75240
A~Z ~. Tim House
Re: Conm~c~ionh~eFXu~a Teat~ng
s iliza ion
Coppell, Texas
OentXemon:
Submitted here are ~he results of laboratory testing performed on
representative soil samples obtained free the eubgrades of
Street and Lynn Cou~t. Atterberg Limit [Plestioi~y Xnde2c
tests were perrormed on the "raw" soil and on one of the samples
with varying percentages o£ Portland Cement added. Test resUltS
are as £ollowa:
Added Limit Liuit Index
Lo~M~Lon ct~ _LtL~ , (t) ~
Lynn Court, eTA 1+35
--- 36 15 21
Leig~ Street, eTA 3+25
--- 34 15 19
4 32 23 9
6 33 29 ·
8 34 33 2
Based on the Xaboratory test results and tho type o£ soiXs
encountered at the site, it is recommended that the pavement
subgrades be tree, ed witA six percent Portlen~ Cement [30 pounds
per square yard for six-inch stabilization, based on an estimeted
unit dry weight of 110 pounds per cubic foot (p~f)].
~2424STUTZDRIVE · SUITE400 · DALLAS, TEXAS75235 u 214/350-5600 · (PAX)214t350-0019
APRvOD-'92 THU 09:28 ID:REED ENG. GROUP
TEL NO:21~ 350-0019
Pro,eot No. 134.1/aepor~o. ~
l~ any qalemttons arise, do not hesitate to oall.
Sincerely,
~DS/]tFR/aap
(2) Xatthev8 Znvea~ments Southwest,
]4~. T~nHouee
(1) Goodvin & ~arahall, Inc./Hr. Robart Narehall
(1) City of Coppell/~tr. Larry Davis