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• <br />Volume Reduction Measures <br />Volume Calculation <br />*Reestablishment of Effectively <br />Drained Wetlands and Floodplain <br />Meadows <br />1.0" x surface area (ac)for floodplain <br />meadows and seasonally flooded, scrub <br />shrub, and forested wetlands <br />0.5" x surface area (ac)for fully vegetated <br />Type 2 and 3 wetlands <br />*Upland <br />Restoration /Conservation <br />0.85" x surface area (ac) <br />*Restoration of Degraded <br />Wetlands <br />0.25" x surface area (ac) <br />Impervious Disconnection <br />Up to 0.5" x disconnected impervious <br />area (ac) <br />Soil Amendments /Tilling <br />0.3" x surface area amended (ac) <br />*BMPs eligible for Volume Bank Credits under Section 9. <br />(d) The proposed activity may not reduce hydraulic efficiency of the <br />drainage -ways within the RMP at any point upgradient of the applicant's <br />parcel boundary. <br />(e) The property owner must record a declaration, or a public owner <br />execute a maintenance agreement, that prohibits plowed snow storage in <br />a location from which runoff will be conveyed without adequate <br />pretreatment (minimum of 25' overland drainage on grassland or other <br />rough vegetated surface to trap flow) or sheet flow directly into a wetland <br />within the RMP area. This requirement does not apply to snow removed <br />from public roadways. <br />RCWD Proposed Rule RMP -3 22 <br />October 8, 2008 <br />