Northlake WE P10C-CS 941222The City With A Beautiful Future
P O. Box 478
Coppe I, Texas 75019
214-.462o0022
December 22, 1994
Richard Hovas
Tipton Engineering, Inc.
6330 Belt Line Road, Suite C
Garland, Texas 75043
RE: Third Construction Review Comments for Northlake Woodlands East 10 Phase C
Dear Mr. Hovas:
The City of Coppell has received the referenced plans and has the following comments to offer:
1. On page 13 of the storm sewer plan provide a drainage easement for section A-A.
o
Provide the e~isting sanitary sewer profile on Blue Jay to determine where the location of
the proposed 8" water line on Mallard Drive intersects. A minimum of 2' is required
between water and sanitary sewer crossings. ,~
On page 18 of the grading plans, you need to ensure that the water will not leave the alley
and flow into the driveway for Lot 5 Block G and also for Lot 24 Block G. or
Relocate the inlets or reconstruct the intersection of Alley "C" and Mallard Drive as
referenced in the letter sent to you dated November 2, 1994.
On page 19 of the grading plans, water will flow into the driveway for Lot 23. You may
need an additional alley inlet adjacent to Lots 21/22.
Show the sight distance easement at Bethel School Road and Skylark on the paving plans.
On the drainage area map, show the Q's coming onto Bethel School Road from the side
streets. ., '
On page 11 of the storm drainage plans, use the correct Q's for the drainage calculations.
Also, show the hydraulic grade line in the pipe for line A-1.
On the water and sewer plans, remove the note stating existing sewer connections for lots
13 through 15. Line "N" would not be necessary if the connections were already in place.
~ Provide a detailed offsite grading plan for Section A-A in the T.U. easement.
11. A density test is required in all fill areas exceeding 12". The standjtrd density required
under all paving areas is 95 %.
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." 12. "Provide a barricade plan with the next set of plans.
There are various other minor comments throughout these plans. Once these comments have been
addressed, the revised set of plans should be resubmitted to the City for review. If you should
have any questions concerning these comments, please feel free to contact me at 393-1016.
Sincerely, .,/3 .,,.
.
Atul Patel,
Graduate Engineer