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/ ~ ,. ,~ <br />con <br />~ Maier Stewart <br />& Assoc <br />May 18, 1993 <br />File: 330-000-00 <br />Ms. Susan Hoyt <br />City Administrator <br />City of Falcon Heights <br />2077 Larpenteur Avenue West <br />Falcon Heights, MN 55113 <br />RE: ADDITION TO FALCON HEIGHTS ELEMENTARY SCHOOL <br />Dear Ms. Hoyt: <br />As requested, we have reviewed the drainage for the addition to the Falcon Heights Elementary <br />School. The proposed plan was dated Apri126, 1993, and prepared by Cunningham Hamilton <br />Quiter, P.A. <br />A parking lot is proposed east of the school with access onto Garden Avenue. The site plan <br />shows that the parking lot will be sloped from the north to the south toward Garden Avenue. <br />Storm sewer inlets are proposed to collect the runoff in the parking lot before it drains onto <br />Garden Avenue. The proposed storm sewer system will be extended from the existing 48-inch <br />storm sewer on Garden Avenue to the catchbasins in the parking lot, and to the east and north <br />side of the building to collect runoff from the roof drains of the school. <br />Mr. Dan Johnson of Anderson Johnson and Associates, Inc., asked if the storm sewer could be <br />deleted and the runoff drained overland to Garden Avenue. We denied this request because <br />draining additional runoff overland onto Garden Avenue is not acceptable. The overland runoff <br />if not picked up by the catchbasin on Garden Avenue will drain onto Hamline Avenue, which <br />is unacceptable to Ramsey County. <br />A second storm sewer extension is proposed from the existing manhole on Garden Avenue to the <br />south side of the building to collect runoff from roof drains and runoff in the driveway along the <br />south side of the building. <br />T'he existing parking lot on the west side of the school drains onto Garden Avenue. No storm <br />sewer is proposed to collect this runoff before it reaches Garden Avenue. In the future, if this <br />parking lot is reconstructed,' storm sewer should be added to collect the runoff in the parking lot. <br />• <br />1959 SLOAN PLACE. SUITE 200, ST. PAUL, MINNESOTA 55117 812-774-8021 <br />9800 SHELARD PARKWAY, SUITE 102, MINNEAPOLIS, MINNESOTA 55441 812-548-0432 • Equal Opportunity Employer <br />