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• <br /> • • <br /> 120 <br /> • <br /> Grading and erosion control plans must be approved <br /> • by the County prior to the issuance of a grading <br /> permit. Additional measures for stormwater <br /> management have been recommended by the Erosion <br /> Control Supervisor and are attached as conditions <br /> of approval. <br /> S. Correspondence from the Army Corps of Engineers <br /> • would be required for the construction work within <br /> the regulated 100 year floodplain (ie. either a- <br /> . <br /> permit or written verification that a permit will- • <br /> • not be needed for the work). <br /> The County will require that the applicant provide <br /> a registered engineer' s calculations and <br /> certification that improvements to -the road. <br /> crossing at Price' s Creek .will not decrease the • <br /> flood carrying capacityiqRrithe stream. This -will <br /> also be reviewed by the Hydrologic Division of <br /> NCDOT. <br /> The Carrboro Staff had addition4Iwconcern with (1)the <br /> location of a portion of Oak Crest Drive in the stream <br /> buffer, and (2) the need for a second access for <br /> emergency vehicles to the northern end of the <br /> subdivision should the only entrance to the site <br /> • <br /> •become impassable. <br /> • Under the Orange County Zoning Ordinance provisions, <br /> 'public: streets are a permitted use in the stream <br /> • buffer. The proposed location minimizes grading since <br /> it makes use of the existing road bed. A second access <br /> point at the northern end of the site is unavailable <br /> at this time; however, the applicant has provided a <br /> stub out which may provide access in the future if <br /> adjacent parcels are developed. <br /> •• • • Orange Water and •Sewer Authority submitted comments <br /> - <br /> regarding effective stormwater management, effective, • <br /> permanent sedimentation and erosion control measures, <br /> and septic tanks in a water supply watershed. DWASA' s • <br /> suggestion-of drainage-easements-and-a-stormwater <br /> management structure have been included as conditions <br /> of approval based on similar comments from the County <br /> Erosion Control Supervisor. The issue of using <br /> roadways to carry run off will be addressed with <br /> revisions/additions to the stormwater management plan <br /> • as required by the Erosion Control Ordinance: Any <br /> grassed swales or other drainage structures located <br /> within the public road right-of-way will become the <br /> responsibility of NCDOT at the time the roads are <br /> accepted for State maintenance. Until that time, the <br /> developer must maintain all drainage/erosion control <br /> • <br />