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City of Roseville ORDINANCE NO. 1452 AN ORDINANCE AMENDING IMPROVEMENT AREA REGULATIONS OF CHAPTER 1004 (RESIDENTIAL DISTRICTS) OF TITLE 10 "ZONING CODE" OF THE ROSEVILLE CITY CODE THE CITY OF ROSEVILLE ORDAINS: SECTION 1. Purpose: The Roseville City Code is hereby amended to further clarify the intent of Improvement Area regulations in Low-Density Residential Districts, and eliminate technical detail from the zoning code in order to minimize redundancy and to prevent inconsistencies with the relevant regulations maintained elsewhere in the City Code. SECTION 2. Section 1004.08(Low-Density Residential-1)is hereby amended as follows: C. Improvement Area: Improvement area, including paved surfaces a- L.the footprints of principal and accessory buildings,and other structures like'decks, pergolas, pools, etc., shall be limited to 50%of the parcel area.The purpose of this overall improvement area limit is to allow for rather liberal construction on a residential property while preventing over-building. Notwithstanding Within this improvement area limit,storm water runoff shall be limited to the amount of runoff generated during a 1 inch rain event over a 24 hour period by impervious paved surfaces and building footprints covering shall be limited to 30%of a parcel;for parcels within a Shoreland or Wetland Management District, paved surfaces and building footprints shall be further limited to the amount of runoff generated under the same circumstances by impervious surfaces covering 25%of the parcel area.The purpose of these further limits on paved surfaces and building footprints within the overall improvement area allowance is to prevent problems caused by excess storm water runoff. 1. For the purposes of this section, "improvements"does not include yard ornaments, fences, retaining walls,gardens, planting beds, or other landscaping. 2. Exception: For properties at least 20 years old, the above limits on paved surfaces and building footprints may be exceeded, within the allowed improvement area, by receiving a Residential Storm Water Permit (ReSWP) from the City Engineer. Because additional paved surfaces and buildings generate additional storm water runoff,the ReSWP Effectively is designed to mitigating mitigate excess storm water runoff relies onthrough technical analysis of building materials, soils,slopes, and other site conditions. In order to ensure adequate and ongoing mitigation of storm water runoff, improvements which would cause pavement or building footprints to exceed 30% (25% in a Shoreland or Wetland Management District)of a parcel's or o shall require the property owner to: a. The purpose of this exception is to encourage homeowners to modernize and improve older properties while maintaining the overall character of the community.