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Planning Commission Regular Meeting Minutes February 20, 1996 • Page 2 1 Motion by Franzese, seconded by Gondorchin, to approve the Planning Commission minutes 2 of January 16 and January 30, 1996 as corrected. 3 4 Motion carried unanimously. 5 V. ST. ANTHONY COMPREHENSIVE PLAN. 6 a. Larry Hamer, Public Works Director 7 Chair Bergstrom welcomed Larry Hamer, Public Works Director. He explained the Planning 8 Commission has been meeting with the City's Directors to discuss issues they feel need to be 9 addressed for the next revision of the Comprehensive Plan. 10 Mr. Hamer explained that the water supply for St. Anthony is very adequate, and the reports 11 from the Department of Natural Resources show there is no need for additional wells. Mr. 12 Hamer explained that repair and replacement would be necessary if a well required it, and 13 water mains throughout the City may need some replacement due to age and condition. He 14 continued that the City has two filtration units for iron removal and GAC plant, which are 15 very effective in the processing of potable water. Mr. Hamer explained that the sanitary sewer system requires ongoing maintenance. He stated that sanitary sewers are completed in the City, and are on a four to five year maintenance 18 schedule. 19 Mr. Hamer explained that the storm sewer system in District 6 floods extensively. Discussion 20 was held on the specific location of District 6. Mr. Hamer explained that District 6 outfall 21 was behind the Northgate Motel, and after a hard rain there has been about six inches of 22 water that flowed down Highway 88 to the main storm sewer which goes to the Mississippi 23 River. He explained that it was designed to pipe water away from the location quickly with 24 a low spot for minor retention. Mr. Hamer explained they are continuing to try to improve 25 the flooding, and have spent monies for additional piping. He stated that the rainfall estimates 26 may have been low, and the system was designed for a 5 to 10 year storm instead of a 100 year 27 storm. He stated that research has been done on increasing the size of pipe located on 28 Broadway, and they obtained a storm sewer report from Barr Engineering, but the report 29 suggests that the improvements outlined are not cost effective. He suggested that at least the 30 trailer court, if it is ever redeveloped, that it has a retention basin on-site to retain their own 31 water. 32 Commissioner Horst inquired what are the specific problems in District 6. Mr. Hamer replied 33 that there is more water retained in District 6 than can be handled. He stated that corrections 34 are being implemented in the new system, but existing system changes are more difficult. He 35 stated the areas of 29th Avenue NE and Silver Lake Road, Pahl Avenue and Wilson Street, �6 32nd Avenue NE and Edward Street, 29th Avenue NE and Roosevelt Street and Johnson's 4W Greenhouse at 33rd Avenue NE and Edward Street in the backyards, but retaining walls have 38 been built by individual property owners to protect their own properties and it has helped. 39