Northlake WE P12-CS 910918GINN & CASE, INC. CONSULTING ENGINEERS
September 18, 1991
D ~~ oe~-
Mr. Gary Sieb, Director of Planning & Community Services t
City of Coppell ~ ~ $ 1,''
P.O. Box 478 ~ '
Coppell, Texas 75019 ~~''~j~
Re: Replat of Lots 6/7, Northlake Woodlands East No. 12
Dear Mr. Sieb:
We understand the replatting of the above referenced lots will be considered
by the Planning and Zoning Commission and City Council in the next few weeks.
Our design of the Grapevine Creek Sewer Trunk Main will necessitate additional
sanitary sewer easements in this area. Sketches 1 and 2 (attached) indicate
the permanent easements and the temporary construction easements needed.
During our meeting with the builders for Lots 6/7, 8, and 9, they requested us
to minimize the impact on Lot 6/7 due to a pending contract. We have
redesigned this segment in an attempt to accommodate the request. Several
factors prevent the line from being moved further south. The Lone Star Gas
pipeline, petroleum pipelines, and railroad are south of the proposed sewer.
In addition, the retaining wall along Lots 8 & 9 force the new line to its
proposed location. The new sewer line will be approximately 28 feet deep
across Lots 8 & 9 and approximately 15 feet deep across Lot 6/7. These depths
necessitate the large working easements and the jog around the existing
sanitary sewer manhole to allow it to remain in service during construction of
the new line. Once the existing easement is reached along lot 7, the working
room will be taken from the creek side (City property).
The builder indicated that a sports court is planned for the area occupied by
the proposed new easement. Due to the extremely deep depths of the new line,
we have no objections to permanent structures being placed over the new line
along Lots 6/7, 8 and 9 after the new line is constructed and in service.
Construction is currently estimates tc occur in t i3 area in late Capri; :,r May
of 1992. All temporary construction easements will expire after the line is
placed in service.
We request your assistance in placing the proposed permanent and temporary
easements on the replat of Lots 6/7. Should you have any questions or need
additional information,please contact our office.
Sincerely,
~' ~,,~
/ Sa ord W. Case, P:E.
attachments
~c: Jim Street Howard Pafford Greg Jones
Gabe Favre File 454
17103 Preston Road • Suite 100 • Dallas, Texas 75248 • Phone 214/ 248-4900
P.O. Box 796577 • Dallas, Texas 75379-6577 • FAX 214 / 931-1452
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