08-17-1992 Planning Packet - Laserfiche WebLink

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.4'» «• I i . •'. ►• : ‘•ft.; J- !*’■ construction of a westbound bypass lane and an eastbound right turn lane on CSAH 6 to fariKtafe adequate trafiBc patterns. The access street should be constructed adjacent to or centered on the east property line of the site. The spoils facility should be required to provide a 60 foot wide right-^-way along the east property line. If the road is to be centered on the east property line. 30 feet of property should be purchased by the sports facility from owner of the adjacent property, together with 30 feet of the sporu facility site, to be used as right-of-way. We recommend that the access road be constructed 42 feet wide, from face to face of B618 concrete curb and gutter. This width will allow a left turn lane onto CSAH 6. The road could be narrowed to 32 feet wide, south of the left turn lane. The access road should be constructed to the south line of the facility site with a SO foot radius cul-de-sac at the end. When the school property develops, they should be required to construct School Drive to the east and connect to the access road, providing a through street for the area. The driveway frmn the sports facihQf pnriring lot to the access road should be a minimum of 100 feet south of the proposed right turn lane on CSAH 6. The drainage for the site runs northwesterly to the intersection of Old Crystal Bay Road and CSAH 6i, by means of an existing ravine that traverses the site. The drainage eventually reaches Katrina Lake which is within the Minnehaha Creek Watershed District A stormwater detention pond should be designed both for storage capacity and phosphorus removal for the stormwater runoff of the sports facility and future schrol. Ponding and drainage easements should be provided to the City. The property north and east of the proposed sports facility is zoned for residential development. Parking areas for public recreation areas such as the proposed sports facility and adjacent playfields and ball fields are known to create numerous inconveniences to such residential properties. With issues such as noise and aesthetics in mind, we recommend that the parking areas be located to the west and south of the sports facility. sports facility would be moved north and east of the proposed location to accommodate this parking lot shift. The parking lots would then be located in a more convenient area for the people using the playfields and ball fields. The residential property could be buffered from the sports facility by installing berms and landscaping along the north and east property lines. We hope this engineering overview will be of use to the City Council and City Plann^ Cbmmission with their review of the proposed development We ^vould be pleased to meet with the City Staff at their convenience, to discuss the above review and recommendations. Please contact me or Glenn Cook at this office it you have an/ questions. Yours very truly, BONESTROO, ROSENE, ANDERLK A ASSOCIATES, INC. Shawn D. Gustafron, P.E. SDG:dh ,A.— ■k