05-11-1998 Council Packet - Laserfiche WebLink

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(I) Property lines and delineation of lands under ownership of the applicant. (?.) Delineation of the subwaiershed contributing runoff from off-site and proposed and c.xisting subwatersheds on-site. (3) Proposed and existing stormwater facilities location, alignment, and elevation. (4) Delineation of existing on-site wetland, marshes, shoreland, and/or floodplain areas. (5) Existing and proposed normal, and 100 year water elevations or-site. (6) Existing and proposed site contour elevations at two foot intervals, related to NGVD, 1929 datum. 7. (7) Construction plans and specifications of all proposed stormwater management facilities. (8) Stormwater runoff volume and rate analyses for the I. 10 and 100 year critical events, existing and proposed conditions. (9) All hydrologic, water quality, and hydraulic computations completed to design the proposed stormwater management facilities. (10) Documentation indicating conformance with an existing municipal stormwater management plan. When a municipal plan does not exist, documentation that the municipality has reviewed th r«)oject. (11) Delineation of any flowage easements or other property interests dedicated to stormwater management purposes, including, but not limited to, county or judicial ditches. (12) Documentation that the project has received a National Pollutant Discharge Elimination System (NPDES) Stormwater Permit from the Minnesota Pollution Control Agency (MPCA) if required by the MPCA, once available. (b) A maintenance agreement shall be submitted for: stormwater treatment ponds, outlet structures for such ponds, culverts, outfall structures, and all other stormwater facilities. The maintenance agreement shall specify the methods, schedule and responsible parties for maintenance and must includ.2 at a minimum, the elements contained in the District’s Maintenance Agreement Form. A Maintenance Agreement Form will be provided to the applicant for use by the applicant as a maintenance agreement or as guidance if the applicant desires to draft a separate maintenance agreement. The maintenance agreement must be recorded with the county within 10 days of the issuance date of the permit. (c) Geotechnical soil boring results if available. EXCEPTIONS. (a) If the District has approved a municipal stormwater management plan for a municipality, or for a subwatershed within a municipality, the requirements of this rule may be deemed satisfied upon showing of compliance by an individual developer with the municipal plan. Craft-April 29, 1998