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CONSULTING ENGINEERS <br /> 11111 laid Maier Stewart Associates Inc. <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 April 26, 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 /> The 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 /> 1959 SLOAN PLACE, SUITE 200, ST. PAUL, MINNESOTA 55117 612 774 -6021 <br /> 9800 SHELARD PARKWAY, SUITE 102, MINNEAPOLIS, MINNESOTA 55441 612- 546-0432 Equal Opportunity Employer <br />