Unified Development Ordinance, 5th supplement, March 2018

Part 10A: Unified Development Ordinance City of Raleigh, North Carolina 9 – 14.1 Effective Date: March 6, 2018 Supp. No. 5 25-, 50- and 100-year storm events. If the analysis shows an increase greater than 0.04 feet between pre-development and post-development flood levels at the site of structural flooding then mitigation to pre- development flood conditions will be required to prevent further damage to the affected property. d. In the case where the area of the subject property is less than 5% of the drainage area, measured to the location of the documented structural flooding, then this analysis shall not be required. e. In the event flood levels are increased, then the affected property owners will be notified in writing of any increase by the applicant. Article 9.2. ​​Stormwater Management | CHAPTER 9. ​NATURAL RESOURCE PROTECTION Sec. 9.2.2. Active Stormwater Control Measures

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