Gateway BP(2.5)-CS 980429PLANNERS SURVEYORS , ~*~
~ gO' ~pril 29, 1998
Mr. Kenneth Griff'm ~ p.e~.
c/o Michael Martin, ~'. ~..
City of Coppell
255 Parkway Boulevard
P.O. Box 478
Coppell, Texas 75019-4409
Dear Mr. Griffin,
Halff Associates, Inc. would like to submit an alternative pavement design for the
G&K Laundry Services Facility. 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 truck courts, the altemative
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 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. 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 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 info~nnation, please contact Pat
Acker or myself.
Sincerely,
HALFF ASSOCIATES, INC.
Todd Abbott, E.I.T.
cc: Chris Neufeld
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