Sherrill L3-CS041210 (2)Allen &
Ridinger
Consulting, Inc.
December 10, 2004
Ms. Charlene La Mattina, EIT
Graduate Engineer
City of Coppell
255 Parkway
Coppell, Texas 75019
· 109 W. Main St.
Lewisville, Texas
75057
Re: Comment Responses for Sherrill Acres Addition, Lot 3, block 1
Dear Ms. La Matinna:
The following list is our responses to the comments received.
Plat
1) Easement has been modified
2) Easement has been modified
Site Plan
1) FDC moved to the same side as fire hydrant.
Grading Plan
1) Inlets shown and labeled
Utility Plan
1) Cleanout provided
2) Gate valve added
3) FDC relocated
4) Valve placed closer to the main
Drainage Area Map
1) Colunm added and discharge locations described
2) Area 1 is picked up in existing inlet provided on Lot 2A to the north and area 4 is picked up in
existing open backed inlet to the north.
3) Water on eastern and southern portion of the site is picked up to the extent of the back of curb.
Existing contours show that this drainage originally went to the south and east. We have picked
up a majority of this drainage; however, the existing contours of the site show it to go in that
original direction. We have reduced the flow to that direction.
4) Inlets labeled
5) Roof drainage is picked up with gutters and passed through the curb on the south and discharged
onto splash blocks on the noxth.
· TEL 972 353 8000
FAX 972 353 8011
Allen &
Ridinger
Consulting, Inc.
Storm Sewer Plan & Profile
1 ) "Y" inlet not needed, because of inter on adjacent property. We arc matching pipe size and flow
linc so no ma~holc is necessary.
Erosion Control Plan
1) Erusion control added.
2) Filter barrier modified
3) Construction enhance added
Paving, Water, Sewer, and Storm Sewer Details
1) All detail sheets removed and City details referred to in General Notes
Landscape Plan
1) Plan removed from set
We appreciate your help on this project. Please call if you have any questions or comments.
Thank you,
Michael Allen, P.E.
President
Cc file