Morrisville Unified Development Ordinance

ARTICLE 5: DEVELOPMENT STANDARDS ................................................................................... 5-1 Section 5.1. General Provisions.............................................................................................................5-1 5.1.1. General Intent ..................................................................................................................................................................5-1 Section 5.2. General Site Layout and Design.........................................................................................5-1

5.2.1. All Districts .........................................................................................................................................................................5-1

5.2.2. Transit-Oriented Development (TOD) District ............................................................................................................5-1 Section 5.3. Subdivision Blocks, Lots, and Reference Points..................................................................5-1

5.3.1. Blocks..................................................................................................................................................................................5-1

5.3.2. Lots ......................................................................................................................................................................................5-2

5.3.3. Subdivision Reference Points .........................................................................................................................................5-3 Section 5.4. Tree Protection ...................................................................................................................5-4

5.4.1. Purpose ..............................................................................................................................................................................5-4

5.4.2. Applicability .....................................................................................................................................................................5-4

5.4.3. Tree Survey.......................................................................................................................................................................5-6

5.4.4. Tree Canopy Retention...................................................................................................................................................5-6

5.4.5. Tree Protection Plan and Tree Protection Areas.......................................................................................................5-9

5.4.6. Tree Protection During Development Activity ............................................................................................................5-9

5.4.7. Mitigation for Tree Removal ...................................................................................................................................... 5-10

5.4.8. Credit Towards Other Standards ............................................................................................................................. 5-12 Section 5.5. Common Open Space and Public Recreation Area ..........................................................5-12

5.5.1. Common Open Space.................................................................................................................................................. 5-12

5.5.2. Public Recreation Area................................................................................................................................................ 5-16

5.5.3. Alternative Options for Meeting Common Open Space and Public Recreation Area Requirements......... 5-18 Section 5.6. Floodplain Management ..................................................................................................5-20

5.6.1. Purpose ........................................................................................................................................................................... 5-20

5.6.2. Required Certificates ................................................................................................................................................... 5-20

5.6.3. Determinations for Existing Buildings and Structures ............................................................................................ 5-21

5.6.4. General Standards for All Special Flood Hazard Areas .................................................................................... 5-22

5.6.5. Standards for Special Flood Hazard Areas with Flood Elevation Data .......................................................... 5-23

5.6.6. Standards for Floodplains Without Established Base Flood Elevations............................................................ 5-27

5.6.7. Standards for Floodways and Non-Encroachment Areas .................................................................................... 5-27 Section 5.7. Perimeter and Streetyard Buffers......................................................................................5-28

5.7.1. Purpose ........................................................................................................................................................................... 5-28

5.7.2. Applicability .................................................................................................................................................................. 5-28

5.7.3. Required Buffer Type .................................................................................................................................................. 5-29

5.7.4. Buffer Type Standards ................................................................................................................................................ 5-31

5.7.5. Location of Buffers........................................................................................................................................................ 5-39

5.7.6. Development within Required Buffers ...................................................................................................................... 5-39

5.7.7. Alternative Configuration ........................................................................................................................................... 5-39

5.7.8. Credit Towards Other Required Landscaping ....................................................................................................... 5-39 Section 5.8. Access and Circulation.....................................................................................................5-40

5.8.1. Purpose ........................................................................................................................................................................... 5-40