COMMISSION_MINUTES_1978-09-28 - Laserfiche WebLink

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MEMO TO: City Council and Park Commission FROM: Huilding and Zoning Official DATE: September 27, 1978 RE: Request of White Oak Homeowners Association To Dredge Manmade Lake Request Enclosed with this memo is a letter £rom Thomas H. Foster, President of White Oak xomeowners Association. which explains their reguest. I have been informed by Roto-ROOter that they plan to rent the machine to the Association at a three day raYe for five days. The Dumping Site The City of Mounds View owns Lots 5, 6, 7 and 8 of Random's lst Addition, located at the NE corner of Ridge Lane and Long Lake Road. The property is presently undeveloped, but may be devel- oped into a neighborhood park in the future. It is flat and � slightly below street grade. The soil conditions are unreceptive for construction, heing bog and peat with poor drainage. Existing drainage�of the property is in all directions, due to its higher center. A catch basin is located on its SW corner. The 3� Acre Pond Staff has been provided by the Association with a sketch of the pond with water and silt depths of the pond. The silt ranges in depth between 3" and 36". Staff has estimated its average depth for the whole pond to be approximately 12" deep. It is believed that ±he early silt problem with the pond is due to the construc- tion which occurred around it and the non-immediate removal of the peat from the pond, both of which caused erosion of peat material back into the pond before its banks were established. The established bank should now prevent this from being a future reoccurrance. � The Method Roto-ROOter has a pump machine which will, with a sucking action, clean the pond's floor.. It will pump 2,000 gallons per minute, of which 108 is solids. They would base the machine by the pond, hosing to the lake with a pipe-like device which would be dragged on the pond's bottom, thus cleaning it. From the machine, they would hose to the City's property for dumping. This will either be done over the street. in which case the street would be re- quired to be blocked, or possibly through the storm sewer conduit, fn which case the street could be left open. Hours of operation would be from dawn to dusk, approximately 10 hours.