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November 17, 1995 .... -~--'-
Mr. Kenneth Griffin, P.E.
Assistant City Manager/' City Engineer
City of Coppell
255 Parkway Blvd.
Coppell. Texas 75019
RE: Lakeside Village Phase II, Kroger Stl:)re
JBM No. 94-892.00
Dear Mr. Griffin:
On Nov. 7, 1995 I met with Mike Martin of your office to review his comments from the 2nd
review of the referenced project. Enclosed is one set of revised plans, along with the marked up
comment set. The comments on the marked up set, along with comments from my meeting with
Mr. Martin, are addressed below,'.
We have reviewed once again the drainage downstream on MacArthur Blvd. My understanding
was that we were to attempt to restrict runoff from the 100 year storm to the capacity of the
existing 21" pipe in MacArthur. The plans for this system indicate that it has a capacity of I 1 cfs.
We have regraded part of the site, and directed more of the water back to the west, resulting in a
discharge of 11.8 cfs for the 100 year event. We have revised the grading plan and the drainage
area map to reflect these changes.
The proposed sidewalk along MacArthur has been revised to 5 feet wide.
We have removed the landscaping, irrigation, screening fence and site lighting t?om these plans to
reflect the scope of your approval. We will submit these items to Building Inspections for their
review. However. some or all of these items may well be in the site contractors scope of work
We have added a note indicating that all pavement in MacArthur will be 7" thick and will have a
6" flexbase subgrade.
We have showed the proposed brick pavers on Sandy Lake to be installed at this time I have
been in contact with both Radv Engineers and Sverdrup Corp. with regard to the future
improvements to Sandy Lake. Based on those conversations, I continue to believe that there is a
three to four foot cut proposed in Sandy Lake Road. Our proposed driveway will accommodate
both existing and fi;ture grades in Sandy Lake It appears, however: that the brick payers we
propose will likely need to be replaced when Sandy Lake is improved Please keep in mind that
The Kroger Co. will expect the City of Coppell to absorb all costs associated with removal and
replacement of the driveways to accommodate the Sandy Lake improvemelus. In addition, they
will expect that this replacement be done in such a way that the driveway grade does not exceed
50/,'o.
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Mr. Ken Griffin, P.E.
No,'. 17. 1995 IB, M
Page 2
We have revised the location of the detector check vault to avoid conflict with the underground
telephone line. We have also placed a utility easement around the vault.
Modifications to the improvements in MacArthur include revision of handicap ramps to concrete
instead of brick pavers, and revision of striping at the entrance. We did not indicate concrete at
the nose of the median because it was not done at other median openings along MacAa-thur.
We have revised the Detail - B sheet to indicate that the paving details shown are for the site only.
Coppell standard details will prevail in street right-of-way. The typical curb has been modified to
reflect concrete pavement, and again, is for site use only. Based on our soils report, we continue
to call for a scarified, compacted subgrade, without the use of lime or cement stabilization. We
have added a note to the grading plan indicating that fill from off site must be engineered fill, so
that lime will not be necessao-.
As you may know-, we have also revised the fire lane at the west side of the building to reflect
changes in the architect's plans. The Fire Chi&and Ga~r Sieb are aware of these changes as they
relate to the SUP. approved by council.
Finally, various miscellaneous revisions have been made. such as the addition of striping for the
handicap accessible route to MacArthur, and relocation of the sewer service.
Please feel free to contact me if you have any- questions or need further information.
Sincerely,
JBM Engineers & Planners, Inc.
~7~5 e~, p.E~." ~"~
Project Manager
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