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Mr. Ron BottonZ <br />June 16, 2008 <br />Page 5; of 6 <br />1 <br />'Y'l Conclusion <br />k I o t z a s s o c i a t e s <br />The costs for the various alternatives are listed in Tables 6 through 8. We <br />recommend that the City first work with the identified property owners to <br />detennine if an economical sheet flow path with any needed easements could be <br />acceptable to all. Each alternative presented requires that the City coordinate with <br />property owners in determining an appropriate alternative to be considered in <br />Phase 2 Detail Design. Mitigation may be needed during the design phase with <br />HCFCD depending on the selected alternative. Using HEC-RAS, Big Island <br />Slough water surface elevation will raise about 0.05 feet upstream of Big Island <br />Slough because of the additional flow that is directed during a 100 year storm <br />event (See Appendix Q. <br />We are available to discuss the report with you at your convenience should you have any <br />questions regarding our findings. We look forward to moving into the nest phase of this <br />study. <br />Sincerely, <br />j4jOr'r,eE. Gutierrez <br />For: <br />Gary L. Strazick, P.E., CFM <br />Vice President <br />MR <br />E I M1. <br />CC: Mr. Steve Gillett, City of La Porte <br />Mr. John Joerns, City of La Porte <br />Mr. Rodney Slaton.. City of La Porte <br />