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l Minnesota Pollution Control Agency <br />Mr. Robert C. Mayeron, P.E. <br />Professional Services Group, Inc. <br />835 North County Road 18 <br />Minneapolis, Minnesota 55441 <br />Dear Mr. Mayeron: <br />Re: Infiltration /Inflow Analysis (I /I) <br />Golden Valley, Minnesota <br />Robbinsdale, Minnesota <br />Lauderdale, Minnesota <br />Little Canada, Minnesota <br />Brooklyn Park, Minnesota <br />EPA #C279999-04 <br />R,t6 81983 <br />Phone: •_,. <br />VC 3' r 6 <br />(01117/OF <br />U i1'fI +CANADA' <br />A response to the following items is required before the Agency <br />can complete its review of the above mentioned <br />Infiltration /Inflow (I /I) Analyses. <br />1. Televising and cleaning costs - It was indicated at our <br />May 18, 1983 meeting that you had been experiencing low <br />cost quotations for sewer televising and cleaning. You <br />indicated that you would provide us with documentation of <br />these costs. As of yet we have not received the above <br />mentioned information. Because televising and cleaning <br />costs can constitute a significant portion of the total <br />SSES costs the closer these costs are to current day <br />estimates the more accurate the cost effectiveness analysis <br />will be. An accurate cost effectiveness analysis is the <br />key for determining whether a community has nonexcessive or <br />excessive I /I. The televising and cleaning costs for the <br />five analyses listed above vary from $1.75 /ft. to $1.20 /ft. <br />Once, the data on current costs for televising and cleaning <br />is obtained the cost analyses for the five communities <br />should be adjusted. It should then be determined, because <br />of these cost adjustments, if there is any effect on the <br />selected cost effective alternatives chosen for any of the <br />districts within any of the above mentioned five <br />communities. <br />. <br />1935 West County Road B2, Roseville, Minnesota 551132785 <br />Regional Offices • DuluthlBraoerd.Dettoit Lakes•Marhall,Rochester <br />Equal Uphprlun:ty Employe( <br />