Amberpoint BP 2-CS021001 (2)I Halff Associates
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8616 NORTHWEST PLAZA DRIVE
DAU..AS, TEXA~ 75225
(214) 346-~00
FAX (214)
October 1, 2002
AVO 19944
Mr. Kenneth Griffin, P.E.
City of Coppell
255 Parkway Boulevard
Coppell, Texas 75019 4409
Halff Associates, Inc. would like to submit an alternative pavement design for the
Staples development in the Amberpoint at CoPpell Business Park. For the truck court
and fire lane, the alternative design is 7 inch thick 4000 PSI compressive strength
concrete with #3 bars, 18 inch O.C.E.W. on compacted subgrade in lieu of the 7 inch
thick 3500 PSI compressive strength concrete with #3 bars, 18 inch O.C.E.W. on 6 inch
lime stabilized subgrade. For car parking and ~ the alternative is 5 inch thick 4000
PSI compressive strength concrete with #3 bars, 18 inch O.C.E.W. on compacted
subgrade in lieu of the 5 inch thick 3500 PSI compressive strength concrete with #3 bars,
18 inch O.C.E.W. on 6 inch lime stabilized subgrade as shown in Appendix C of the City
of Coppell Subdivision Ordinance and the City of Coppell Standard Construction Details
Sheet SDI.
If you have any questions or require any additional information, please do not
hesitate to contact me.
Sincerely,
J~me R. Be~
DALLAS · FORT WORTH * HOUSTON.
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