Callahan-CS020717T H E G I T Y O F
~ COPPELL
A 5 t
July 17, 2002
Walter J. Nelson, P. E.
Walter Nelson and Associates
1812 Carla Avenue
Arlington, TX 75014
IZE: Callahan Addition
Construction Plan Review Comments
Dear Mr. Nelson:
The City of Coppell has reviewed the referenced plans and has the following comments to offer:
Site Plan
1. The sidewalk ADA ramps do not appear to be designed according to the City of Coppell's
Construction Standards and Subdivision Ordinance.
2. FYI -Since the paver band at the driveway is on private property, it can be either brick
pavers or stamped concrete.
Onsite Drainage Area Map
1. Consider relocating the 4' x 4' Type "Y" inlet to south of the Mutual Access/Fire Lane
Easement. The adjacent property owner would need to relocate the inlet and 36" RCP to
utilize the access, potentially disrupting parking activities at the Callahan Medical Center. A
20' x 20' easement would need to be obtained.
Storm Sewer Profile
This sheet, as well as some of the others, is showing a 20' x 82' drainage easement. This
easement is not needed.
Utility Layout
1. Consider locating the 8" waterline stub-out to the south before the connection to the fire
vault. This would require a 20' wide easement to contain the 8" waterline and also
increasing the size of the fire vault easement.
2. Indicate that the method of boring across Denton Tap Road for the connection to the
waterline should be by dry bore.
3. Due to the depth of the 8" sewer, a 5' manhole is required with an outside drop connection.
4. A detector check valve is required on the irrigation line.
5. An additional onsite fire hydrant maybe required by the Fire Marshal. Please verify.
6. Show the location of the Fire Department Connection to the building.
255 PARKWAY * P. O.60X 478 * COPPELL TX 75019 * TEL 972/4fi2 0022 * FAX 972/30A 3673
Erosion Control Plan
Inlet protection was not shown around the curb inlet at the northern edge of the parking lot.
There are other minor comments throughout the plans that should also be addressed. Once all
changes have been made, please re-submit this marked-up set and two sets of revised plans to
the City for review. If you have any questions, please contact me at (972) 304-3681.
Sincerely,
~~ ~~
Teresa M. Turner, E.I.T.
Graduate Engineer
Office Phone: (972) 304-3681
Fax: (972)304-3570