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CITY COUNCIL MEETING, NOVEMBER 3, 1981 12. ENGINEER'S REPORT: A. Cimarron Wastewater Treatment PlantT& Lake Rose Flood: Stuqy - BohrerTreported on Cmarron's plan to improve the screening capabilities of their sewage treatment plat, per his November 2, 1981, letter - Re: Treatment Plant Improvements, Cimarron Park Commission No. 7113"81. This will have no effect on the flood levels and can be handled through the normal building permit procedure. Bohrer reported on his joint meeting with Steven Taylor, Cimarron, Cimarron''s Engineer, VBWD Engineer, and the City Administrator to discuss the rising water level on Lake Rose. They concluded Lake Rose has risen 1 1/2 ft. over the past year and will continue to rise to an unacceptable level and will have to be lowered by some means between now and when a permanent outlet to Horse- shoe Lake is constructed, Also, they determined,that the high ground water is not what is filling up the lake. Although, the high ground water is preventing the lake from seeping®as it has in the past. The bottom„of Lake Rose is quite impervious. Two recommendations were made to Mr. Taylor. 1, Cimarron, assume the financial responsibility to experiment cleaning out the bottom of the effluent pond on their property that is experiencing seepage problems. This would provide information on increasing the seepage on Lake Rose, 2. If nothing is gained by the dredging experiment he should petition the City (.For a project to maintain Lake Rose at an acceptable level. The increase in Lake Rose is from run-off. B. Generator for City We11lStudy - Bohrer reviewed his letter of November 2, 1981, Re: Generator Unit, Commission No. 7113-81, outlining the two alternatives .for obtaining generating equipment. Because of the costs involved with the two alternatives and the down -time of the pump due to power failures appears insignificant, the Engineer recommended a rigorous maintenance program for the existing pump and motor, since the potential for long duration down -time is higher with a pump failure vs power failure. The Council agreed. The Administrator will check the past maintenance -- - records of the pump and generator in addition to pump failures and power outages. C. Hedges Easement Whittaker reported that the Hedges have a City culvert on their lot. As this is not oncm easement, they would like the City to locate and define the easement so that their title on the lot ,will be clear. Whittaker recommended hiring TKDA or Bruce Folz to locate the culvert, define the easement, and draw it up. M/S/P Eder/Fraser to authorize Bruce Folz to do the necessary work. D. Jamaca Improvements - The Ccuncil reviewed the Engineers letter of October 27, 1981, Re: Jamaca Avenue Extension, Commission No. 7113-81, on his recommendation for Jamaca Avenue.7f the gravel portion of the road is to be opened to general traffic, it should be bituminous surfaced and traffic control sighs may be used to enhance the traffic flow.