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83-127 Minnesota Department of Transportation - reconstruction <br />of the Cedar Avenue bridge, Sec. 138CC, Minneapolis. <br />84-11 Rockvam Boat Yards, Inc. - construction of a boat <br />launching ramp, Sec. 17CCB, 4068 Sunset Drive, West Arm <br />Bay, Lake Minnetonka, Spring Park. <br />84-181 Ted Priem - rip -rap shoreline erosion protection, Sec. <br />17AAC, Lake, Lake Minnetonka, Minnetonka. <br />84-197 Minneapolis Water Department - relocation of watermain, <br />Sec. 14AD, Minnehaha Creek at Cedar Avenue So., <br />Minneapolis. <br />Upon vote, the motion carried. <br />Irwin Mandel Development Corporation - grading and drainage plan <br />for 10 mini -storage buildings, floodplain development, Sec. 17CDD, <br />Louisiana Avenue at Lake Street, St. Louis Park. 84-06 <br />The Engineer reviewed the request for grading and drainage <br />plan approval and indicated that the Board had denied a permit for <br />the grading and drainage plan in January 1984 on the basis that <br />the project did not provide rate control or water quality control <br />in accordance with the District's standards. The Engineer noted <br />that the question of the adequacy of the City's ponding system <br />within this subwatershed had been studied by City and District <br />staff since issuance of the Brutger permit in November. 1984. The <br />Engineer reported that the data developed to date showed a <br />deficit of approximately 28 acre-feet of floodwater storage in the <br />southern -most ponding facility which abuts the Mandel site. The <br />Engineer advised the Board, however, that it cannot be accurately <br />determined to what extent the grading and filling involved in the <br />Mandel project would preempt needed floodwater storage within the <br />subwatershed, if at all, since topographic data is not available <br />for the southern portion of the subwatershed. The Engineer <br />recommended that the Board favurably nsider the permit <br />application provided it can be shown the proposed grading <br />will not preempt significant flood sto,, capacity or cause flood <br />conditions on improved property near the South Oak retention <br />facility under 100-year runoff conditions. <br />-2- <br />