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<br />... <br />,~ <br /> <br />plans and proposals that will cause no economic burden both as to <br />s~orm waters or drainage, on the owners of abutting or adjoining <br />properties, or affected properties, or on the property owners of <br />the City at large. <br /> <br />. <br /> <br />49A.02 General Provisions. <br /> <br />Subdivision 1. ApPlicability. The requirements adopted <br />herein shall apply to all development proposals that are subject to <br />the provisions of Chapter 59.07 of the Municipal Code. <br /> <br />Subdivision 2. Required Facilities. The City may, at its <br />sole discretion, require. conveyance systems, retention and/ or <br />detention areas and associated water quality improvement structures <br />for any development proposal to meet the goals, policies and <br />development guidelines of the Local Water Management Plan dated <br />February 12, 1990 subject to subsequent revisions. <br /> <br />Subdivision '3. Performance Guarantee. Whenever privately <br />owned and maintained drainage improvements shall be required for a <br />development by the City, the developer shall provide a seven year <br />maintenance/performance guarantee to assure proper maintenance and <br />operation of such improvements. In such cases, the developer shall <br />also hold the city harmless for any defect in design, construction <br />or operation. <br /> <br />Subdivision 4. Financial Responsibility. Drainage facility <br />improvements required for any development proposal shall be the <br />financial responsibility of the developer. <br /> <br />. <br /> <br />49A.03 Design Standards. <br /> <br />Subdivision 1. Storm water facilities required for any <br />development shall be designed and constructedzelopment Guidelines <br />of the Local Water Management Plan dated February 12, 1990 subject <br />to subsequent revisions. <br /> <br />Subdivision 2. The ~amsey County Erosion and Sediment Control <br />Handbook (1989) prepared by the Ramsey County Soil and Water <br />Conservation District and subsequent revisions thereto shall be <br />utilized in the design and construction of sediment and erosion <br />control measures within the city. <br /> <br />49A.04 Definitions. <br /> <br />. <br /> <br />Subdi~yyioion 1. Five. Fifty ;:md One Hundred Year storm. It <br />ohall be aD detcrmined by the u.s. Weather Burcau Technical raper <br />NOD. 40 and 49 and ohall be the 24 hour rainfall event with a <br />probability of reoccurrence of once in five, fifty or onc hundred <br />years. <br /> <br />Subdivioion 2. Retention Baoin. It ohull be an area <br />deoignuted to otore the ourfuce ~later druinuge from the adjoining <br />drainage buoin ,lith no outlet to dmmotream arcuo. <br /> <br />Subdivioion 3. Detention BuDin. It ohull be un urea <br />deoignuted to reotrict and temporarily otore ourface 'later drainuge <br />from the udjoining drainage bUD in. <br /> <br />2 <br />