Unified Development Ordinance, 4th supplement, September 2017

Part 10A: Unified Development Ordinance City of Raleigh, North Carolina 8 – 9 Effective Date: September 01, 2013 Supp. No. 3 Article 8.3. ​​Blocks, Lots, Access | CHAPTER 8. ​SUBDIVISION & SITE PLAN STANDARDS Sec. 8.3.2. ​Blocks Block with Dead-ends Commercial Block Alley Civic Buildings Centerline Block Perimeter Pedestrian Passage Extended Block Split Civic Block B. Block Measurement 1. A block is bounded by a public right-of-way (not including an alley). All public rights-of-way proposed as part of a development must be improved with a street. 2. Block perimeter is measured along the edge of the property adjoining the public right-of-way, except for the measurement of dead-end streets, which are measured from intersecting centerlines. 3. The maximum block perimeter may be extended by 50% where the block includes a pedestrian passage (see Sec. 8.4.8. ) or an alley ( Sec. 8.4.7. ) that connects the 2 streets on opposing block faces. Pedestrian passages and alleys may connect dead-end streets. 4. A block may be broken by a civic building or open lot, provided the lot is at least 50 feet wide and deep and provides a pedestrian passage meeting the requirements of Sec. 8.4.8. that directly connects the 2 streets on each block face. 5. Within a single phase of any subdivision or development, individual block perimeters may exceed the maximum by 25% provided that the average of all block perimeters in the phase does not exceed the maximum. 6. The PublicWorks Director may waive the block perimeter requirements or maximum dead-end street length consistent with Sec. 8.3.6. , when steep slopes in excess of 25%, freeways, waterways, railroad lines, preexisting development, tree conservation areas, stream buffers, cemeteries, open space or easements would make the provision of a complete block infeasible or does not advance the intent of this Article. 7. Where the block pattern is interrupted by public parkland, including greenways, that is open and accessible to the public, pedestrian access points shall be provided with a minimum spacing equal to ½ of the maximum block perimeter.

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