Orange County NC Website
Browse       Search
74 <br /> residential Uses of the UDO, the Project will have to comply with <br /> the following impervious surface limitation(s): <br /> 1. Development is limited to 12% or 5,227 sq.ft. of impervious <br /> surface area per acre of property; <br /> 2. Projects can observe a 70% or 30,942 sq.ft. per acre <br /> impervious allotment with the installation of stormwater <br /> control measures (SCMs). <br /> STAFF COMMENT: Impervious surface area is defined in <br /> Article 10 Definitions of the UDO as: <br /> A surface composed of any material that <br /> impedes or prevents the natural infiltration of <br /> water into the soil. Such surfaces include <br /> concrete, asphalt and gravel surfaces. These <br /> include, but are not be limited to, streets and <br /> parking areas, sidewalks, patios, and structures <br /> that cover the land. <br /> According to the submittal, development of the Project will <br /> involve multiple SCMs to address compliance with various <br /> provision(s) of the UDO. <br /> As a result, there is potential to have 70% impervious on the <br /> Property. The Project is required, at a minimum, to design <br /> their SCMs to accommodate the on-site infiltration of the first <br /> inch of runoff. <br /> iii. Stormwater: Per Section 6.14, the Project would have to abide by <br /> the following: <br /> 1. Nutrient load contribution(s) must meet the standards listed <br /> in Section 6.14.7 of the UDO and as required by the North <br /> Carolina Department of Environmental Quality (NCDEQ); <br /> STAFF COMMENT: New development exceeding <br /> established nutrient loading rates are required to <br /> include engineered stormwater controls designed to <br /> have a Primary and/or Secondary Stormwater Control <br /> Measure (SCM) per NCDEQ requirements. <br /> 2. Systems shall be designed to control and treat, at a <br /> minimum, the stormwater runoff generated by one inch of <br /> rainfall from all project area surfaces; <br /> 3. Development shall be required to observe a no net increase <br /> in peak flow leaving the site from predevelopment conditions <br /> for the 1 year, 24 hour, storm. <br /> STAFF COMMENT: The Project will comply with the <br /> provisions of Section 6.14 of the UDO. <br />