Petterson (Encore)-CS131120
Rhonda Adloo
From:Michael Garza
Sent:Wednesday, November 20, 2013 8:05 AM
To:Rhonda Adloo
Subject:FW: comments
Can you put this email in the Gensler/petterson file.
Thanks,
Michael Garza, P.E.
Assistant Director of Engineering
City of Coppell
972-304-7019
From: Michael Garza
Sent: Thursday, October 24, 2013 5:20 PM
To: Tommy D Tabor PE <TTabor@TTC-PLLC.com> (TTabor@TTC-PLLC.com)
Subject: comments
Tommy,
Below are my comments, I will have a formal letter and plans ready for you to pick up tomorrow.
Plat
1.Make the drainage easement behind lots 1-5 private drainage easements as well as the underground detention
and flume.
2.Remove sheets containing standard details. The contractor will be required to have a set of the city standard
construction details on site at all times.
Paving Plan-
3.Coordinate tie into Sandy Lake with Sandy Lake Road construction.
4.See if you can raise the entrance some to eliminate run-off from Sandy Lake Rd.
Drainage area map/storm drain -
5.Keep the private pvc storm drain out of the public easement and place in a private drainage easement.
6.The underground detention will need to be maintained by the HOA and stated on the plat.
7.How does water get pumped out of the underground detention? Will it be used for irrigation?
8.Is the flume necessary, we have problems with concrete flumes heaving and settling, causing ponding in the
future. Is there an alternative to the concrete flume? How much runoff is coming from the flume? Do you need
erosion protection at the end of the flume or extend to the alley.
Utility Plan-
9. Coordinate with Sandy Lake Rd. construction for the water tie in. There should be a stub out to your property.
10. Take the bends out of the cul-de-sac.
11. Minimize the 90 degree bends, we prefer a 45 instead.
12. Include the meter sizes.
Thanks,
1
Michael Garza, P.E.
Assistant Director of Engineering
City of Coppell
972-304-7019
2