Townhouses-CS000719 Ccppe,'. Texas 75313
f'~'-~/~ The City With A Beautiful Future 972-462-0c-22
,_,C=~E:L. TEXAS 75019
July 19, 2000
Michael Daniel, P.E.
Nathan D. Mater
Two Northpark, Suite 600
8080 Park Lane
Dallas, Texas 75231
RE: Townhouses of Coppell
Dear .X'.'r. Daniel:
The City of Coppell !:as reviewed the referenced plans ~ -' t.... ti,,-' '" "- '
all,: ~,~ .v ,,-)m~.~.'.-!I'.g comments to offer:
1. On thc plat, The proposed 15' water easement is not needed as shown. Provide a 15'x20'
water easement adjacent to_1 iberiv, Circle for the proposed water vault.
2. Label .'.he volume and page number for the existing 30' samtar-,' sewer easement located
o,~ the east side of the development.
3. \'ertical cur-.'cs should be provided for Colonial Drive and Independence Drive where
the,. intersect Mac Arthur Boulevard.
Provide double white reflective round buttons on 30" centers ;L:r proposed left turn lane
and deceleration lane on MacArlhur Boulevard.
5. Will there be any trees that need to be removed to constr,.',c: the !eft turn lane'.> If so,
indicated the location of the trces. A tree permit will be required for an)' tree removals.
Also provide a note on paving plan sta;ino_ that an',' ;,-deation svs:em damaged during
construction must be repaired. Contact Dcm'ds S!ayton with the Leisure Ser',.-ices
Department at 972-304-3565 to locate the ','
t arro~;on-Farmers Branch
6. An}' off-site drainage to the south must be aor~;¢d ;.o by ;.he '" "~
I::dependent School District (C-FBISD). Providt: a !citer from C--FB.ISD allowing the
dr-.~inage to come onto the school prope:-ty.
7. Please address the following comments n,.ade on the water and sanitar-: sewer plan:
a. Provide note that the existing sanitaD' sewer line t,:, be abandoned as per City
requirements.
b. Fire hydrant locations must be approved oy the Fh'e Ntar.,hat, Travis Crump. He
can be reached at 972-304-3503.
c. Water meters for each lot should be located so thev w~[i not fall underneath future
drivewavs.
d. The proposed easement abandonment on the east side of the development must be
done by separate instrument. Please provide the abandonment documents to the
City for review.
e. Show all proposed water line crossings on the sanitary sewer profile sheets.
8. The proposed sanitary sewer manhole diameter sizes must be in conformance with the
City details.
9. As per the City's Subdivision Ordinance, the minimum grade for a 15" sanitary sewer
line is 0.15%.
10. On the grading plan please address the following comments:
a. Provide existing elevations along the east property line.
b. What happens to the drainage along the east side of the property? Where does it
go?
c. The proposed parking lot at the northeast comer of the development must be at or
above the 100 year floodplain elevation.
d. What happens to the drainage along the north property line?
11. Need to provide documentation indicating that the proposed off-site detention pond will
be allowed by property owner.
12. Need to provide drainage easement documents for proposed storm sewer systems off-site
of the development.
l 3. Provide embedment detail for proposed double pipe installation.
14. Need letter of permission from Northwest Dallas County Flood Control District an&or
the Riverchase Golf Course to connect to existing pond.
15. Need letter of permission from the City of Irving to cross the 54" water line.
l 6. Indicate the volume of the valley storage you are providing.
17. Show all proposed water and sanitary sewer crossings on the storm sewer profile sheets.
18. The minimum pipe size for low point inlets is 21".
19. Provide detail of proposed retaining wall along the north side of the development.
There are various other minor comments throughout the plans. When all comments have been
addressed, please return these marked plans and t~vo sets of revised plans to the City for
review. If you have any questions, please contact me at (972) 304-3681.
Sincerely,
Michael A. Martin, P.E.
Assistant City Engineer