Northlake 635(3)-CS 971010Ill
· ,, Halff Associates
Ill
ENGINEERS · ARCHITECTS · SCIENTISTS
PLANNERS ° SURVEYORS
October 10, 1997
AVO 16455
Mr. Kenneth Griffin
c/o Michael Martin
City of Coppell
255 Parkway Boulevard
P.O. Box 478
Coppell, Texas 75019-4409
Dear Mr. Griffm,
10
HalffAssociates, Inc. would like to submit an alternative paveme~
Coppell Business Center II. For the parking area, the alternative design k,
4000 PSI compressive strength conc~rete with #3 bars, 18 inch O.C.E.W. ¢
subgrade in lieu of the 5 inch thick ~000 PSI compressive strength concre
24 inch O.C.E.W. on 6 inch lime stabilized subgrade as shown in Append
of Coppell Subdivision Ordinance. For the track courts and fire lane, the
design is 6 inch thick 4000 PSI compressive strength concrete with #3 bm
O.C.E.W. on compacted subgrade in lieu of the 6 inch thick 3000 PSI cot
strength concrete with #3 bars, 24 inch O.C.E.W. on 6 inch lime stabilize~
shown in Appendix C of the City of Coppell Subdivision Ordinance.
If you have any questions or require any additional information, P
Acker or myself.
Sincerely,
HALFF ASSOCIAT
8616 NORTHWEST PLAZA DRIVE
DALLAS, TEXAS 75225
(214) 739-0094
FAX (214) 739-0095
10-92P04:02 RCVD
t design for
5 inch thick
~n compacted
te with #3 bars,
ix C of the City
alternative
s, 18 inch
apressive
subgrade
.'ase contact Pat
~S, INC.
CC:
Todd Abbott
Mick Oranlund
Tom Kuhlmann
Brent Cox
DALLAS · FORT WORTH · HOUSTON ° McALLEN
TRANSPORTATION · WATER RESOURCES · LAND DEVELOPMENT · MUNICIPAL ° ENVIRONME~
MECHANICAL · ELECTRICAL ° SURVEYING · GEOGRAPHIC INFORMATION SYSTE!
ARCHITECTURE · LANDSCAPE ARCHITECTURE ° PLANNING
TAL · STRUCTURAL
~S