Deforest Court-CS000731 Halff A ciates
mmm S S O
lmm
FAX (214)739-0095
ENGINEERS · ARCHITECTS · SCIENTISTS 08'0 l- O0 PO~.
PLANERS · SURVEYORS · O0 ~ C ~D
3uly 3~, 2000
AVO 17898 pm,~,, ~
Mr. Mike Matin, P.E.
City of Coppell Engineering Depaament
255 E. PaRway Blvd.
Coppell, Texas 75019
Dear Mike:
We have reviewed comments from the City of Coppell Engineering Depa~ment dated July 7,2000 regarding
Deforest Coua. We have addressed the comments as follows:
1. A sto~ sewer pipe has been added to drain the valley storage pond. (Sheet STM-1)
2. Details have been added for the proposed landscape walls and the wall for the proposed valley storage
pond. (Sheet G-l)
3. FHA grading notes have been added to the Grading Plan. (Sheet G-l)
4. Deforest Coua Road has been raised to the 100 year fl~plain elevation (452) at its lowest point.
(Sheet 6-1 & P-l)
5. All sidewalks and ADA ramps to be built with the subdivision am shown. (Sheet P-l)
6. Notes have been added to instruct the contractor to prepare 6-inches of lime stabilized subgmde (Sheet
P-~)
7. Other various comments on Sheet P-1 have been addressed.
8. Store water exiting the proposed 24-inch RCP will travel in an existing ditch to a proposed ~e inlet that
will be constructed with the Windsor Estates Development.
9. Notes on Sheet STM-1 have been clarified.
10. Requested valves have been added to all fire hydrants and connections. (Sheet WS-1)
11. One semice line and one meter will be provided to each lot. (Sheet WS-1)
12. A 2-inch blow-off valve has been added to the dead end waterline. (Sheet WS-1)
13. Sanita~ sewer semice to proposed lots has been offset as ~quested. (Sheet WS-1)
14. Water meters in the cul-de-sac ama have been moved to areas near the lot line to allow for flexibility in
placement of the futura driveways. (Sheet WS-1)
15. All sto~ sewer lines are now profiled (Sheet PRF-1)
16. Erosion protection for line A has been added and cover for line A has been increased. (Sheet PRF-1)
17. The slope for line B has been changed to 0.5% as requested. A minimum of 3 feet of cover for line 13
has been provided. (Sheet PRF-1)
Sincerely,
~ALFF ASSOCIATES, 1~6.
Jaime Beard, E.I.I.
DALLAS · FORT WORTH · HOUSTON · McALLEN
TRANSPORTATION ° WATER RESOURCES ° LAND DEVELOPMENT · MUNICIPAL · ENVIRONMENTAL ° STRUCTURAL
MECHANICAL · ELECTRICAL ° SURVEYING · GEOGRAPHIC INFORMATION SYSTEMS
ARCHITECTURE · LANDSCAPE ARCHITECTURE · PLANNING