Coppell BC3-CS000413 (2)Ill
Ill Halff Associates
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/
8616 NORTHWET PLAZA DRIVE
DALLAS, TEXAS 75225
(214) 346-6200
F~ ~X (214) 739-0095
April 13,2000
AVO 18428
Mr. Kenneth Griffin, P.E.
c/o Michael Martin, P.E.
City of Coppell
255 Parkway Boulevard
P.O. Box 478
Coppell, Texas 75019-4409
Dear Mr. Griffin,
HalffAssociates, Inc. would like to submit an alternative pavement design for
Coppell Business Center III, Block C, Lot 2. For the parking area, the alternative design
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 3000 PSI compressive strength concrete
with #3 bars, 24 inch O.C.E.W. on 6 inch lime stabilized subgrade as shown in Appendix
C of the City of Coppell Subdivision Ordinance. For the fire lane, the alternative design
is 6 inch thick 4000 PSI compressive strength concrete with #3 bars, 18 inch O.C.E.W.
on compacted subgrade in lieu of the 6 inch thick 3000 PSI compressive strength concrete
with #3 bars, 24 inch O.C.E.W. on 6 inch lime stabilized subgrade shown in Appendix C
of the City of Coppell Subdivision Ordinance.
If you have any questions or require any additional information, please contact Pat
Acker or myself.
Sincerely,
HALFF ASSOCIATES, INC.
Todd Abbott, E.I.T.
CC:
Brett Phillips
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