04-15-2019 Planning Commission Packet

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--' �,y� Preliminary Plat Application 16-3822 /m( `\ Eisinger Meadows \\ 2 // Page. Plat approval. Since proposed impervious surface will account for less than 20% of the project area, stormwater management should not be required by MCWD. 1.6 The applicant will he required to obtain Hennepin County approval and permitting for accesses and work in right-of-way on Wayzata Boulevard (CSAH 112). Development parameters listed n the City's Comprehensive Plan call for a single connection, but two connections are proposed. ,1 copy of any approvals or permits required should he submitted prior to Final Plat approval. 1.7 The applicant will be required to obtain a Sanitary Sewer Extension permit from the Minnesota Pollution Control Agency and a Water Main Extension permit front the Minnesota Department of Health. Applications should be coordinated with the City, and a copy of any approvals or permits required should be submitted prior to any land disturbing activity. 1.8 The applicant will he required to obtain a General Construction Permit (NPDF,S) to discharge stormwater associated with construction activity since more than I acre will be disturbed. A copy of the permit should be submitted prior to any land disturbing activity. 1.9 The applicant will be required to submit a Maintenance Agreement for all stormwater management structures and facilities. The agreement should define maintenance responsibilities fallowing completion of project. specify types and frequencies of inspection and maintenance activities. and designate who will conduct inspection and maintenance activities. 1.10 Record drawings must be submitted upon completion of tree protect. If the proposed permanent pond is to be used as a temporary sediment basin during construction. as-built survey shots on the pond must he obtained after construction sediment is removed and side slopes re-dressed. Also, due to the size of the proposed disturbed area, a survey should he provided for the site after rough grading is complete to ensure correct hold-downs prior to topsoil placement and pavement construction, and a survey should he provided for the topsoil stockpile to ensure adequate quantity for re-spread. 2.0 PRELIMINARY PLAT: 2.I A Flowage and Conservation easement will he required over the wetlands. 2.2 Drainage and Utility F.asements should he provided to auacquately cover all ditching, storm sewer, and ponds to the high water level. 2.3 Drainage and Utility Easements should be revised to accommodate changes to storm sewer necessary to provide subsurface draintile service connectins. 2.4 Oudot B will require a road and utilities easement over its entire area. The easement should he generated using the standard city forst and recorded as part of the Final. Plat process. 3.0 SITE PLAN: 3.1 Stop signs and stop bars should he provided at intersections with Wayzata Boulevard (CSAR 1 12). 3.2 The proposed layout should he reviewed by the Fire Chief to ensure adequate space for turning around of fire department vehicles. A temporary cul-de-sac may be necessary. 4.0 GRADING PLAN: 4.1 The normal water level (nwl) and 100 year high water level (hwl) should he indicated on the plan for the pond/filtration basin. 4.2 Arrows and slopes should be provided on the Final Plans to ensure adequate grade is provided, ' minimum 2% and maximum 3:1 slope is recommended for green areas. 4.3 Emergency overflow routes should be clearly labeled to,ensure adequate surface overflows are provided. 4.4 An emergency overtlow should he provided for the pond/filtration basin at the 100 year high water level. The overflow should he armored with turf reinforcement mat or riprap.