S Orange County - Town of Chapel Hill - Special Use Permit Modification

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Southern Orange County Government Services Campus SPECIAL USE PERMIT PAGE 5 Stormwater Management 43. Stormwater Management Plan: That this project must comply with the Section 5.4 Stormwater Management of the Land Use Management Ordinance. 44. Jordan Stormwater Management for New Development: That if the total disturbed area exceeds 0.5 acres,this project must comply with Section 5.19 Jordan Watershed Stormwater Management for New Development of the Land Use Management Ordinance to provide the required reductions in nitrogen and phosphorus loads for new development and redevelopment projects._ 45. Erosion Control Inspections: That,in addition to the requirement during construction for inspection after every rainfall, the applicant shall inspect the erosion and sediment control devices and offsite roadways daily,make any necessary repairs or adjustments to the devices,remove deposition of wet or dry silt on adjacent roadways and maintain inspection logs documenting the daily inspections and any necessary repairs. 46. Phasing Plan: That prior to issuance of a Zoning Compliance Permit,the applicant shall obtain Town Manager approval of a Phasing Plan that provides details of which improvements are to be constructed during each phase.The phasing plan shall detail that public improvements and stormwater management structures will be completed in each phase prior to requesting a Certificate of Occupancy.Construction for any phase may not begin until all public improvements in previous phases are complete,with a note to this effect on the final plans and plats. 47. Jordan Suretv: That if the total disturbed area exceeds 0.5 acres,prior to issuance of a Certificate of Occupancy,the owner shall post a maintenance bond or other surety instrument satisfactory to the Town Manager, in an amount equal to one hundred twenty-five(125)percent of the construction cost of each stormwater management facility to assure maintenance, repair,or reconstruction necessary for adequate performance of the stormwater management facility,or establish a stormwater maintenance(sinking fund)budget and escrow account in accordance with the requirements of Section 5.19 of the Land Use Management Ordinance. 48. Erosion Control Bond: That if one acre or more is uncovered by land-disturbing activities for this project,then a performance guarantee in accordance with Section 5-97.1 Bonds of the Town Code of Ordinances shall be required prior to final authorization to begin land-disturbing activities. 49. Stormwater Facilities.Easements and Operations and Maintenance Plans: That all stormwater detention,treatment and conveyance facilities located on and below the ground shall be wholly contained within an easement entitled: "Reserved Stormwater Facility Easement Hereby Dedicated"and shall be reserved from any development which would obstruct or constrict the effective management,control,and conveyance of stormwater from or across the property,other than the approved design and operation functions.A copy of the final plat or easement exhibit,signed and sealed by a North Carolina-registered Land Surveyor and recorded by the County Register of Deeds,and containing the following notes shall be submitted prior to issuance of the Certificate of Occupancy. 1. A suitable maintenance access(minimum 20'wide)to accommodate heavy equipment from the nearest public right-of-.way to the Reserved Stormwater Facility Easement must be provided and shown on the plans. 2. The"Reserved Stormwater Facility Easements"and the facilities it/they protect are considered to be private,with the sole responsibility of the owner to provide for all required maintenance and operations as approved by the Town. 3. The Reserved Stormwater Facility Easement and the Operations and Maintenance Plan are binding on the owner, heirs,successors,and assigns. 50. Stormwater Operations and Maintenance Plan Recordation:That prior to issuance of a Certificate of Occupancy,a Stormwater Operations and Maintenance Plan,signed by the owner and recorded at the County Register of Deeds,shall be provided for the proposed stormwater management facilities and submitted to the Stormwater Management Engineer for approval.A schedule of inspection and maintenance tasks shall be included.The operation and maintenance plan shall require the owner of structural BMP's to perform and maintain a record of annual inspections by a qualified professional. 51. Erosion Control: That during the construction phase,additional erosion and sediment controls may be required if the proposed measures do not contain the sediment. Sediment leaving the property is a violation of the Town's Erosion and Sediment Control Ordinance. The applicant shall inspect erosion and sediment control devices daily,make necessary adjustments to the devices and maintain inspection logs documenting inspections and repairs. 52. Curb Inlets: That the applicant shall provide pre-cast curb inlet hoods and covers stating, "Dump No Waste! Drains to Jordan Lake",in accordance with the specifications of the Town Standard Detail SD-5A,for all new curb inlets for private, Town and State rights-of-way. 53. On-Site/Adjacent Stormwater Features:That prior to issuance of a Zoning Compliance Permit for new construction, existing site conditions and features shall be located on plans,including all on-site and adjacent stormwater drainage features.The final plans must provide proper inlet protection for the stormwater drainage inlets on or adjacent to the site to ensure the stormwater drainage system will not be obstructed with construction debris. 54. P.E.Certification:That prior to the issuance of a Certificate of Occupancy for any phase,the applicant shall provide a certification,signed and sealed by a North Carolina-licensed Professional Engineer,that the stormwater management facilities are constructed in accordance with the approved plans and specifications.