Loading...
Villages CC 1-3-CS 850226t Federal Emergency Management Agency Rea Stevenson; P.E. Wier & Associates, Inc. 600 Matlock Centre Circle Arlington, Texas 76015 February 26. 1985 FEB 27 1985 WIE I Dear Mr. Stevenson: To cool. hue:our conversation on the telephone on Febnmz'y 22. 1985. T would like to add some additional lnforsa~ion regarding Cottonwood Creek in Coppell, Texas. In a disc'~Ssion with our technical oonsultant in Washington, Dewberry and Davis, 'I :learned that the HEC-2 runs from Carter and Burgess for the 1982 revision coincides with that area bet~eeen cross-sections A and B on the Cottonwood Branch. In a discussion with one of the engineers at Dewberry and Davis, I was ~old that the area between cross-sections B and D which are the areas where recl~tion is proposed, it appears that the Corps of Engineers only did & straight line projection for the floodway with no calculations. If your firm ~oes a run on the section between B and D they should do one continuous run and submit that to us. Some changes in elevation may occur but will probably be I regret the delay in giving you a response to this question, and hope that we have not inconvenienced you to any great extent. Xf I may be of further assistance, please do not hesitate to give me a call. Sincerely, Bill Kuno, Ch/ef Natural Hazards Branch Natural and Technol0gical Hazards Division