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RPCA Attachment A 2.Exception: For properties at least 20 years old,the above limits on paved surfaces and building 36 footprints may be exceeded, within the allowed improvement area, by receiving a Residential 37 Storm Water Permit (ReSWP) from the City Engineer. Because additional paved surfaces and 38 buildings generate additional storm water runoff, the ReSWP is designed to mitigate excess 39 storm water runoff through technical analysis of building materials, soils, slopes, and other site 40 conditions. 41 a.The purpose of this exception is to encourage homeowners to modernize and improve older 42 properties while maintaining the overall character of the community. 43 b.For the purposes of the ReSWP, age of a propertyisdetermined by the newer of the house 44 construction or the configuration of the parcel boundaries; age is calculated by subtracting 45 the year in which the home was constructed, or theyear in which the parcel boundaries 46 were established in their present configuration, from the year of application for ReSWP. For 47 houses or parcels less than 20 years old, aReSWP may be considered for a propertywhich 48 cannot be practically used by mobility-impaired occupants. 49 Section 1004.09 (Low-Density Residential-2) SECTION 3.is hereby amended as follows: 50 C. Improvement Area: Improvement area, including paved surfaces, the footprints of principal and 51 accessory buildings, and other structures like decks, pergolas, pools, etc., shall be limited to 70% of 52 the parcel area. The purpose of this overall improvement area limit is to allow for rather liberal 53 construction on a residential property while preventing over-building. Within this improvement area 54 limit, paved surfaces and building footprints shall be limited to 30% of a parcel; for parcels within a 55 Shoreland or Wetland Management District, paved surfaces and building footprints shall be further 56 limited to 25% of the parcel area. The purpose of these further limits on paved surfaces and building 57 footprints within the overall improvement area allowance is to prevent problems caused by excess 58 storm water runoff. 59 1.For the purposes of this section, “improvements” does not include yard ornaments, fences, 60 retaining walls, gardens, planting beds, or other landscaping. 61 2.Within this improvement area limit, impervious surfaces shall be limited to 25% of the parcel 62 area for parcels within a Shoreland or Wetland Management District to mitigate surface water 63 impacts caused by excess storm water runoff. This impervious surface limit may be exceeded, 64 within the allowed improvement area and in compliance with pertinent regulations in Chapter 65 1017 of this Title, by receiving approval(s) from the City Engineer to mitigate excess storm water 66 runoff, generated by additional hard surfaces, through technical analysis of building materials, 67 soils, slopes, and other site conditions. 68 1.3.Within this improvement area limit, impervious surfaces shall be limited to 40% of the parcel 69 area for all other parcels. The purpose of these further limits on paved surfaces and building 70 footprintsimpervious surfaceswithin the overall improvement area allowance is to prevent 71 problems caused by excess storm water runoff.This impervious surface limit may be exceeded, 72 within the allowed improvement area, by receiving approval(s) from the City Engineer to 73 Page 2 of 3