Unified Development Ordinance, 4th supplement, September 2017

Part 10A: Unified Development Ordinance City of Raleigh, North Carolina 9 – 12 Effective Date: September 01, 2013 Supp. No. 4 not contribute a nitrogen export load exceeding 3.6 pounds per acre per year. b. Compliance with stormwater control master plan must include the installation within the development of all stormwater control measures shown on the stormwater control master plan, payment of fees in lieu of installation, when allowed by the City and payment of any applicable drainage fees. 2. Payment In Lieu Option The nitrogen export load limitations for a development may be off-set through a payment made to the North Carolina Riparian Buffer Restoration Fund or private mitigation bank. The payment shall be based on the latest fee adopted by the State and shall meet the following requirements. a. In General i. Installation of City-approved stormwater control measures or payment in lieu option or a combination of both may be used to satisfy the nitrogen load requirement. ii. For subdivisions with an approved stormwater control facilities plan, all payments shall be made prior to issuance of a land disturbance permit. Where no land disturbance permit is required, fees shall be due prior to recording of the plat. iii. For all other developments, payments shall be paid to the North Carolina Riparian Buffer Restoration Fund prior to the issuance of applicable development permits. b. Residential Development i. For any detached house used for single-unit living or any attached house used for two-unit living, a one-time offset payment may be paid to the North Carolina Riparian Buffer Restoration Fund to reduce the nitrogen export load of up to 6 pounds per acre per year to 3.6 pounds per acre per year. ii. All residential development that exceeds nitrogen export loads of 6 pounds per acre per year must install City-approved stormwater control measures to reduce the nitrogen export load of their development to 6 pounds per acre per year limitation to become eligible for the payment in lieu option. c. Mixed Use and Nonresidential Development i. For mixed use and nonresidential development, a one-time offset payment may be paid to the North Carolina Riparian Buffer Restoration Fund to reduce the nitrogen export load of up to 10 pounds per acre per year to 3.6 pounds per acre per year. ii. Mixed use and nonresidential development that exceeds nitrogen export loads of 10 pounds per acre per year must install City- approved stormwater control measures to reduce the nitrogen export load of their development to 10 pounds per acre per year limitation to become eligible for the payment in lieu option. C. Stormwater Control Permits 1. No development, expansion of existing development or the placement of more than 12,000 square feet of any impervious surface, may occur on a site without a stormwater control permit from the Office of Development Services. 2. No stormwater control permit may be approved until a stormwater control plan is first approved by the City in accordance with Sec. 9.2.2.D. 3. No stormwater control permit may be issued except in strict conformity with the provisions of this Article, the Raleigh Stormwater Control and Watercourse Buffer Manual. 4. No stormwater control permit may be issued until the boundaries of any watercourse buffer, riparian surface water buffer or transitional protective yard in a -MPOD, -UWPOD, -FWPOD or -SWPOD or CM District and permanently protected undisturbed open space areas which are adjacent to or encompass a work site are clearly and accurately demarcated by a protective fence in the field. Protection measures must be field verified by a Professional Land Surveyor. CHAPTER 9. ​NATURAL RESOURCE PROTECTION | Article 9.2. Stormwater Management Sec. 9.2.2. Active Stormwater Control Measures

RkJQdWJsaXNoZXIy NjM1NA==