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<br />. <br /> <br />. <br /> <br />. <br /> <br />(I) <br /> <br />Land disturbance shall be limited to the minimum area necessary to <br />provide for the proposed use or development. <br /> <br />a. The submitted site plan shall indicate the limits of the proposed <br />land disturbance, including areas for clearing or grading and shall <br />be limited to the minimum area necessary to provide for the <br />construction footprint. These limits shall be clearly shown on <br />submitted plans and physically marked on the development site. <br />b. Ingress and egress during construction shall be limited to one <br />access point. <br /> <br />************************************************ <br /> <br />(9) For any development or redevelopment, stormwater runoff shall be <br />controlled by the use of best management practices consistent with the water quality <br />protection provisions (4 V AC 3-20-20-71 et seq.) of the Virginia Stormwater <br />Management Regulations) and shall achieve the following: <br /> <br />a. For development, the post-development nonpoint source pollution <br />runoff load shall not exceed the pre-development load, based on the <br />following land cover conditions for the city of Portsmouth: lots platted <br />before AprilS, 1994 shall utilize 41 %, lots platted after AprilS, 1994 shall <br />utilize 19% for the Elizabeth River Watershed, 40 % for the Western <br />Branch Watershed, and 54% for the Southern Branch Watershed; <br />b. For sites within IDAs or other isolated redevelopment sites, the <br />nonpoint source pollution load shall be reduced by at least 10%; <br />c. For redevelopment, both the pre and post-development loadings <br />shall be calculated by the same procedures. However, where the design <br />data is available, the original post-development nonpoint source pollution <br />loadings can be substituted for the existing development loadings; and <br />d. Storm water management criteria for redevelopment shall apply to <br />any redevelopment, whether or not it is located within an Intensely <br />Developed Area designated by the City of Portsmouth. <br /> <br />(c) <br /> <br />Development Criteria for Resource Protection Areas. <br /> <br />(I) <br /> <br />Allowable Land Uses in the Resource Protection Area. <br /> <br />A water quality impact assessment in conformance with Section 9.1-11 (f) <br />of this ordinance shall be submitted for all proposed land disturbances in <br />the Resource Protection Area. Land disturbances may be allowed only if <br />one or more of the following conditions exist: <br />