09-24-08 Council Agenda - Laserfiche WebLink

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D. pefinitions_ Unless specifically defned-below, words orphrases used in this_____- Chapter shall be interpreted so as to give them the same meaning as they have in common usage and to give this Chapter its most reasonable application. For the purpose of this Chapter, the words "must" and "shall" are mandatory and not permissive. All distances, unless otherwise specified, shall be measurec><, __----.- D. ,~iorizontally_As used in this ha ter words and terms shall have the meanings.. ascribed to them in,~pgendix B. 2~ 8:020._-_STORMWATERMANAGEMENT The following standards shall apply to all developments and redevelonments within the C~t~-_.-... - - -- ~--Deleted: Definidons. .t Formatted: Bullets and Numbering Deleted: horizontally.'] Deleted: !{ Deleted: Chapter (see appendix of model ordinance), the following Deleted: tius Section ... Deleted: ------Page Break------~ Deleted: xX.02. - Deleted: cwnmwtity: - A. Stormwater Management Plan. Every applicant for a building permit that involves disturbing 20,000 sq. ft. of land, subdivision approval, or a permit to allow land disturbing activities must submit a stormwater management plan to the C~ No building permit, subdivision approval, or permit to allow land disturbing activities shall be issued until approval of this plan. All plans shall be consistent with National Pollution Discharge Elimination Permit (NPDES) requirements, and the filing or approval requirements of relevant Watershed Districts, Watershed Management Organizations„Soil and Water Conservation Districts, or other regulatory odies: Deleted: community. Deleted: Ditch Authorities. Deleted: bodies. All stormwater mitigation and management tnchnologics shall be consistent with the Commtwiry~ Stormwater htanagemenl Designr Mam~ai (Design ManuaD. The Desigr Manuel is the compilation of design, performance, and review criteria approved by the Deleted: cwmnwtity and adopted by the council for stormwater management pracliees. 1. General Policy on Stormwater Runoff Rates -Site plans for new development and redevelopment involvine 20.000 sf or more of disturbance of any kind will be assessed for stormwater quantity control and stormwater quality management. The general policy on stormwater runoff 1•ates is to reduce the impacts of development by maintaining pre- developmenthydrological conditions or improving conditions to positively affect the downstream watershed. Stormwater Management Plan Requirements -The minimum requirements '., of the Stormwater Plan shall be consistent with the most recent version of `,`. the Minnesota Pollution Control Agency's NPDES Construction Permit Requirements a. Identification and description (1) Projecfname; (2) Project type (residential, commercial, industrial, road CODStCUCtIOn, OT Other); Deleted: <N>conditions. When a site is designed for new or renewed development, the hydrologic regime cwr be altered in the following ways:9 <q>Increased nwoff volwne~ <H>Incrcascd impcrviousness~ <A>%sp>Incrcased flow frequency, duration, and peak runoffralet~ gt>Reduce infiltration (yaoundwater reoharge)~! <k>MOdification of the Flow pattem¶ <i!>raster time to peak, dne to shorer time of concentration through storm sewers¶ t.oss of storage! Acca(ermaAcGanne! erosion Formatted: Bullets and Numbering (3) Project location; (4) County parcel identification number (legal description);