DR9201-CS 920221COPPELL PUELIC WORKS
MEMORANDUM
DATE:
TO:
FROM:
RE:
February 21, 1992
Jim Ragsdill, Purchasing Agent ~/~
Rey Gonzales, Streets Superintendent~
Howell and Bullock - Drainage Project Specifications
Attached you will find the specifications for the above referenced
project. These must be advertised on February 28, 1992 and March
6, 1992 so bids can be opened on March 10, 1992 and I can take it
forward to Council on March 24, 1992.
I have sent letters to all the residents on these streets and have
committed to the City Manager that this schedule would be one that
could be met.
Please advise if there is anything I can do to help expedite this
matter or if you anticipate any delays.
RG/bc
cc: Steven G. Goram, Director of Public Works
STHOWELL.RG
CITY OF COPPELL
Public Works Department
Street Division
Drainage Improvements Specification
Howell St. and Bullock St.
Clean and Grade Roadside Swales of both streets to drain
north.
Remove and replace all culvert pipe with 15" Type III RCP
at driveways, any sidewalks which cross the drainage ditch
and other enclosed drainage systems within the project area.
(Alternate products, i.e., ADS drain pipe may be used in
other enclosed areas).
Grade to drain Earthen Alley between the two streets tO the
north. (Alternate price --'separate item).
Ail drive approaches and sidewalks are to be reestablished to
the same or better condition that existed prior to the
project start.
Incorporate a 25' Drainage Swale along Railroad Right-of-Way
to drain to the east and discharge into the 5' X 5' wye
inlet.
Provide transit shots to establish a minimum .5 fall from
Southwestern north to Railroad Right-of-Way as well as along
the 25' Drainage Swale at the Railroad Right-of-Way.
Maintain a minimum 3 to i slope.
Dress up and hydromulch once project is substantially
complete.
Citizen access to drives are to be maintained at all times
unless otherwise arranged with the resident.
Traffic Control Plan will be provided and maintained that is
consistent with the Texas Manual on Uniform Traffic Control
Devices (T.M.U.T.C.D).