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<br />r- <br /> <br />,'""""'. <br /> <br />March 18, 1986 <br />Muller Engineering Company, Inc, <br />Page 2. <br /> <br />PRELIMINARY DESIGN PHASE I IMPROVEMENTS <br />1. Would like to have the manhole on Gretchen Clark's property converted to an <br />Emergency Pump Vault. It will not be necessary to have a storm pipe with <br />flap gate. <br /> <br />2. Phase I should address the Wests Ide Ditch diversion structure such as desIgn <br />criteria for the ten-year flood and vegetalon clearance. <br /> <br />3. Mike Dungan clarified the freeboard levee which would run parallel to the <br />railroad tracks. <br /> <br />Another concern was a perceived lack of follow-up Inspection work by Muller <br />Engineering on the geotechnical Investigation, <br /> <br />We are pleased with the progress on the levee design and look forward to the <br />successful completion of the Phase I this fall, <br /> <br />Another Item that I would like to have addressed is a follow-up on your letter <br />regarding the FEMA floodway Issue. Would you check with the Corps on the split <br />channel flows and calculate the Impact of the floodway filling? <br /> <br />Also, coul~ you send an extra set of maps and desIgn work that were Included In <br />the back of the preliminary report? <br /> <br />Please feel free to call me If you have any questions. <br /> <br /> <br />Imm <br />cc: Charles Manzanares <br />Gary Suiter <br />Terry Haugen <br />