CC MINUTES 07121988 - Laserfiche WebLink

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• 1 Mr. Hamer reported another trouble area during the July, 1987, storm 2 had been the home on the north side of West Armour Terrace between 3 Wilson and Silver Lake Road where for the second time in the last ten 4 years, "clean, but damaging" water had flooded the backyard and the 5 basement. He said this was a case where the sanitary sewer system 6 wasn't functioning and the system couldn't get the surface water 7 away fast enough. He indicated he perceived this was an area where a 8 sump pump was needed to get the surface water away from the house 9 during periods when the sanitary sewer system isn't functioning. 10 H told Councilmember Ranallo there are a few intersections like 11 the one he mentioned near 33rd and Wilson, as well as at 29th and 12 Silver Lake Road and Pahl and Wilson which are designed for retention 13 and even though there might be severe flooding at times, the only 14 effects on residential property is to leave a ring of debris in front 15 yards. The Public Works Director added that these and the 16 intersection of 29th and Roosevelt were designed as a less expensive 17 method of retaining overflow during severe storms. 18 Fol en said the 7 areas with intersection flooding do not harm 19 residential property. 20 Mrs. Grassman said her home on Murray was one of the homes in that 21 area which have been flooded many times over the 35 years she has 22 lived there. She said the first year she moved in "they were using 23 boats down the alley between Murray and St. Anthony Boulevard." • 24 The homeowner insisted that the water level in that area had always 25 been high and when the City "tampered with Wilson street as more and 26 more homes went in upstream" , those problems increased. During one 27 storm, her clothes poles had been moved a foot farther apart, she 28 reported. 29 Topological Survey Necessary Before Alley Elevations Can Be Changed 30 Ranallo agreed with Mr. Hamer that it was a matter of educating 31 homeowners on Wilson to put in check valves, sump pumps, etc. 32 Fol en indicated further topographic studies would be necessary to 33 assure no one else would be harmed if the City makes some grade 34 changes in the low spots in the alley behind Murray and the homes on 35 St. Anthony Boulevard which are reporting problems with flooding. 36 gm—all o commented that he knew there were certainly more than two or 37 three homeowners in the City who attributed their problems to poor 38 management of storm water. He said the Council might still have a 39 hard time convincing some of those who had experienced two or three 40 feet of water in their basements last summer that it wasn't caused by 41 the City's storm sewer system rather than the infiltration from 42 residential drain tiles and the sanitary sewer system. • 14