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City of Roseville ORDINANCE NO. ________ 1 AN ORDINANCE AMENDINGIMPROVEMENT AREA REGULATIONSOF CHAPTER 1004 2 (RESIDENTIAL DISTRICTS) OF TITLE 10 “ZONING CODE” OF THEROSEVILLECITY 3 CODE 4 THE CITY OF ROSEVILLE ORDAINS: 5 SECTION 1. Purpose: The Roseville City Code is hereby amended to further clarify the intent 6 of Improvement Area regulations in Low-Density Residential Districts, and eliminate technical detail 7 from the zoning code in order to minimize redundancy and to prevent inconsistencies with the relevant 8 regulations maintained elsewhere in the City Code. 9 Section 1004.08 (Low-Density Residential-1) SECTION 2. is hereby amended as follows: 10 C. Improvement Area: Improvement area, including paved surfaces and , the footprints of principal and 11 accessory buildings, and other structures like decks, pergolas, etc., shall be limited to 50% of the 12 parcel area. The purpose of this overall improvement area limit is to allow f 13 construction on a residential property while preventing over-building. Notwithstanding Within this 14 improvement area limit, storm water runoff shall be limited to the amount of runoff gene 15 during a 1-inch rain event over a 24-hour period by impervious paved surfaces and building 16 footprints covering shall be limited to 30% of a parcel; for parcels within a Shoreland or Wetland 17 Management District, storm water runoff paved surfaces and building footprints shall be further 18 limited to the amount of runoff generated under the same circumstances by i 19 covering 25% of the parcel area. The purpose of these further limits on paved surfaces and buildi 20 footprints within the overall improvement area allowance is to prevent prob 21 excess storm water runoff. 22 1.For the purposes of this section, improvements does not includ yard ornaments, fences, 23 retaining walls, gardens, planting beds, or other landscaping. 24 2.Exception: For properties at least 20 years old, the above limits on paved surfaces and building 25 footprints may be exceeded, within the allowed improvement area, by receiving a Residential 26 Storm Water Permit (ReSWP) from the City Engineer. Because additional paved surfaces and 27 buildings generate additional storm water runoff, the ReSWP Effectively is designed to 28 mitigating mitigate excess storm water runoff relies on through technical analysis of building 29 materials, soils, slopes, and other site conditions. In order to ensure adequate and ongoing 30 mitigation of storm water runoff, improvements which would cause 31 footprints to exceed 30% (25% in a Shoreland or Wetland Management District) of a parcels 32 area shall require the property owner to: 33 a.The purpose of this exception is to encourage homeowners to mode 34 older properties while maintaining the overall character of the 35