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a.b.For the purposes of the ReSWP, age of a property is determined by the newer of the 36 house construction or the configuration of the parcel boundaries is calculated by 37 subtracting the year in which the home was constructed, or the year in which the parcel 38 boundaries were established in their present configuration, from 39 for ReSWP. Notwithstanding this age limitation, a ReSWP may be considered for a newer 40 property which cannot be practically used by mobility-impaired occupants. 41 a.Receive a Residential Storm Water Permit from the City Engineer; 42 b.Submit annual maintenance letters, documenting the ongoing, requ 43 storm water mitigation system; and 44 c.a.Receive a Residential Storm Water Permit recertification inspectEngineering Division 45 staff every 5 years. 46 Section 1004.09 (Low-Density Residential-2) SECTION 3.is hereby amended as follows: 47 C. Improvement Area: Improvement area, including paved surfaces and , the footprints of principal and 48 accessory buildings, and other structures like decks, pergolas, etc., shall be limited to 50% of the 49 parcel area. The purpose of this overall improvement area limit is to allow f 50 construction on a residential property while preventing over-building. Notwithstanding Within this 51 improvement area limit, storm water runoff shall be limited to the amount of runoff gene 52 during a 1-inch rain event over a 24-hour period by impervious paved surfaces and building 53 footprints covering shall be limited to 30% of a parcel; for parcels within a Shoreland or Wetland 54 Management District, storm water runoff paved surfaces and building footprints shall be further 55 limited to the amount of runoff generated under the same circumstances by i 56 covering 25% of the parcel area. The purpose of these further limits on paved surfaces and buildi 57 footprints within the overall improvement area allowance is to prevent prob 58 excess storm water runoff. 59 2.3.For the purposes of this section, improvements does not include yard ornaments, fences, 60 retaining walls, gardens, planting beds, or other landscaping. 61 4.Exception: For properties at least 20 years old, the above limits on paved surfaces and building 62 footprints may be exceeded, within the allowed improvement area, by receiving a Residential 63 Storm Water Permit (ReSWP) from the City Engineer. Because additional paved surfaces and 64 buildings generate additional storm water runoff, the ReSWP Effectively is designed to 65 mitigating mitigate excess storm water runoff relies on through technical analysis of building 66 materials, soils, slopes, and other site conditions. In order to ensure adequate and ongoing 67 mitigation of storm water runoff, improvements which would cause 68 footprints to exceed 30% (25% in a Shoreland or Wetland Management District) of a parcels 69 area shall require the property owner to: 70 a.The purpose of this exception is to encourage homeowners to mode 71 older properties while maintaining the overall character of the 72