Title 1: Administration Chapter 100. General Provisions. Section 100-10. Title. 1 Section 100-20. Purpose. 1 Section 100-30. Authority. 2 Section 100-40. Jurisdiction. 2 Section 100-50. Application of Ordinance. 2 Section 100-60. Relationship to Existing Ordinances. 3 Section 100-70. Effective Date. 3 Section 100-80. Amendments. 4 Section 100-90. Duties of the Department of Planning and Development. 4 Section 100-100. Fees. 6 Section 100-110. Severability. 6 Chapter 110. Definitions. Section 110-10. Rules of Interpretation. 7 Section 110-20. Rules of Precedence. 7 Section 110-30. Abbreviations. 8 Section 110-40. General Definitions. 9 Section 110-50. Definitions by Category/Chapter. 35 Chapter 120. Enforcement and Penalties Section 120-10. Violations of the. 40 Section 120-20. Inspection and Right of Entry. 40 Section 120-30. Notice of Violation. 41 Section 120-40. Stop Work Orders 41 Section 120-50. Suspensions, Revocations, or Modifications. 42 Section 120-60. Other Enforcement and Penalties. 42 Section 120-70. Issuance of Citations or Summons to Court; Violations; Penalties for Violations. 42 Section 120-80. Other Remedies and Penalties. 43 Section 120-90. Administrative Appeal and Judicial Review. 43 Section 120-100. Liability. 43 i
Title 2: Land Use and Zoning Chapter 200. General Provisions. Section 200-10. Purpose. 1 Section 200-20. Authority. 1 Section 200-30. Incorporation of Official Zoning Map. 1 Section 200-40. Division of County into Zoning Districts. 1 Section 200-50. Interpretation of Zoning District Boundaries. 2 Section 200-60. Relationship to Comprehensive Plan. 2 Section 200-70. Incorporation of UDO Design Guidelines. 3 Section 200-80. Incorporation of Gwinnett County Architectural Design Standards. 3 Section 200-90. Zoning Certification. 3 Section 200-100. Zoning Classification of De-Annexed Property. 3 Chapter 210. Base Zoning Districts. Section 210-10. RA-200 Agriculture-Residence District. 4 Section 210-20. R-LL Single-Family Residence-Large Lot. 4 Section 210-30. R-100 Single-Family Residence District. 5 Section 210-40. R-75 Single-Family Residence District. 5 Section 210-50. OSC Open Space Conservation District. 6 Section 210-60. R-60 Single-Family Residence District. 12 Section 210-70. MH Manufactured Housing. 13 Section 210-80. TND Traditional Neighborhood Development District. 14 Section 210-90. R-SR Senior Oriented Residence District. 20 Section 210-100. R-TH Residence Townhouse District. 24 Section 210-110. RM-13 Multifamily Residence District. 26 Section 210-120. RM-24 Multifamily Residence District. 27 Section 210-130. HRR High-Rise Residence District. 27 Section 210-140. O-R Office-Residence District. 29 Section 210-150. O-I Office-Institutional District. 31 Section 210-160 C-1 Neighborhood Business District. 32 Section 210-170. C-2 General Business District. 33 Section 210-180. C-3 Highway Business District. 33 Section 210-190. Mixed-Use Districts. 34 ii
Chapter 210. Base Zoning Districts. Section 210-200. MU-N Neighborhood Mixed-Use District. 34 Section 210-210. MU-C Community Mixed-Use District. 34 Section 210-220. MU-R Regional Mixed Use District. 35 Section 210-225. Minimum Design Standards of Mixed Use Districts. 37 Section 210-230. M-1 Light Industry District. 43 Section 210-240. M-2 Heavy Industry District. 44 Chapter 220. Overlay Zoning Districts. Section 220-10. Interpretation and Applicability of Overlay Districts. 45 Section 220-20. Big Haynes Creek-Alcovy Watershed Protection Overlay District. 45 Section 220-30. Activity Center/Corridor Overlay District. 46 Chapter 230. Standards Applying To All Districts. Section 230-10. Dimensional Standards of Zoning Districts. 50 Section 230-20. Application of Dimensional Standards. 51 Section 230-30. Building/Structure Height Measurements and Exceptions. 53 Section 230-40. Only One Principal Building or Use on a Lot. 53 Section 230-50. Minimum Space between Dwelling Units. 53 Section 230-60. Permitted Encroachments upon Required Setbacks. 54 Section 230-70. Road Frontage. 54 Section 230-80. Fences and Walls. 54 Section 230-100. Table of Permitted and Special Uses. 55 Section 230-120. Accessory Building, Structure and Use Standards. 65 Section 230-130. Supplemental Use Standards. 66 Chapter 240. Off-Street Parking Standards. Section 240-10. General Requirements. 78 Section 240-20. Parking Space Requirements. 79 Section 240-30. Reduction in Minimum Parking Requirements. 81 Section 240-40. Parking Structures. 82 Section 240-50. Handicap-accessible Parking. 82 Section 240-60. Construction and Dimensional Requirements of Parking Areas. 82 Section 240-70. Driveways. 83 Section 240-80. Stacking Lanes for Drive-through Facilities or Service Windows. 83 iii
Chapter 240. Off-Street Parking Standards. Section 240-90. Landscaping in Parking Lots. 84 Section 240-100. Lighting in Parking Lots. 84 Section 240-110. Vehicle Parking Area. 85 Section 240-120. Off-Street Loading Standards. 86 Section 240-130. Construction and Dimensions of Off-street Loading. 87 Chapter 245. On-Street Parking Standards. Section 245-10. General Requirements. 88 Section 245-20. Parking Space Requirements. 89 Section 245-30. On-Street Parking Requirements Specific to Zoning Districts. 89 Chapter 260. Non-Conforming Uses. Section 260-10. Continuance of Non-Conforming Uses. 90 Section 260-20. Continuance of a Non-Conforming Building. 90 Section 260-30. Buildings and Structures Where Construction Has Begun. 90 Section 260-40. Prior Authorization. 90 Chapter 270. Procedures. Section 270-10 Administration and Legislative Bodies. 91 Section 270-20. Zoning Ordinance Text and Map Amendments. 91 Section 270-30. Special Use Permits. 93 Section 270-40. Conditional Approvals. 95 Section 270-50. Exceptions from the Definition of the Term Family. 97 Section 270-60. Withdrawal of Application. 97 Section 270-70. Lapse of Time Requirement for Reapplication. 97 Section 270-80. Zoning Board of Appeals. 98 Section 270-90. Appeals to the Zoning Board of Appeals. 99 Section 270-100. Variances to the Zoning Board of Appeals. 99 Section 270-110. Burden of Proof in Appeals and Variances. 101 Section 270-120. Appeals to Decisions of the Zoning Board of Appeals. 101 Section 270-130. Administrative Variances. 101 iv
Title 3: Development and Permitting Chapter 300. Reserved. Chapter 310. Subdivision Standards. Section 310-10. Application of Subdivision Standards. 2 Section 310-20. Subdivision Exemptions. 3 Section 310-30 Priority of Conditions of Zoning over these Regulations. 5 Chapter 320. Plan and Plat Guidelines. Concept Plans 6 Section 320-10. Concept Plans. 6 Section 320-20. Specimen Tree Survey and Specimen Tree Concept Plan. 8 Development Plans 9 Section 320-30. Site Development Plan. 9 Section 320-40. Subdivision Development Plan. 11 Section 320-50. Construction Plans. 14 Section 320-60 Limited Land Disturbance Plan 17 Section 320-70. Grading Plan. 17 Section 320-80. Utility Plan. 18 Section 320-90. Tree Preservation and/or Replacement Plan. 18 Section 320-100. Buffer and Landscape Plan. 20 Final Plats 20 Section 320-110. Non-residential Final Plat Specifications for Platting Only Purposes. 20 Section 320-120 Final Plat Specifications. 24 Section 320-130. As-Built Drawings. 28 Section 320-140. Structure Location Plans. 29 Chapter 330. Permits Required for Development or Construction. Section 330-10. Land Disturbance Permits. 33 Section 330-20. Development Permit. 34 Section 330-30. Building Permits. 35 Section 330-40. Certificate of Completion or Certificate of Occupancy. 36 Section 330-50. Swimming Pool Permit. 36 v
Chapter 340. Site and Subdivision Development Plan Review Procedures. Section 340-10. Pre-Application Conference. 37 Section 340-20. Subdivision Plan Application and Review Process. 37 Section 340-30. Site Development Plan Application and Review Process. 39 Section 340-40. Modifications and Waivers. 40 Section 340-50. Final Plat Approval Process. 41 Section 340.60. Procedures for Revising Final Plats. 42 Section 340-70. Stormwater As-Built Plan Review Process. 42 Section 340-80. Water and Sewer As-Built Plan Review Process. 43 Section 340-90. Development Conformance, Performance Surety, Maintenance Surety and Continuing Maintenance. 43 Chapter 350. Inspections. Section 350-10. Initiation of Development Activities. 46 Section 350-20. Development Inspections. 47 Section 350-30. Stop Work Orders. 48 Section 350-40. Approval of Development Conformance. 48 Chapter 360. Development Design Standards. Section 360-10. Incorporation of Standard Drawings. 49 Section 360-20. Incorporation of Architectural Design Standards. 49 Section 360-30. Incorporation of the Gwinnett County Open Space and Greenway Master Plan. 49 Section 360-40. Site Design. 49 Section 360-50. Design of Lots. 50 Section 360-60. Exceptions to Design of Lots. 51 Section 360-70. Access and Right-of-Way. 51 Section 360-80. Design of Blocks. 53 Section 360-90. Survey Monuments. 54 Section 360-100. Assignment of Names and Addresses. 54 Section 360-110. Recreation Areas, Common Areas and Open Space. 55 Chapter 400. Soil Erosion, Sedimentation, and Pollution Control. Section 400-10. Title and Purpose. 57 Section 400-20. Exemptions. 57 Section 400-30. Requirements for Erosion and Sedimentation Control Using Best Management Practices. 58 Section 400-40. Proof or Presumption of Violation by Injury. 61 Section 400-50. Permit Application and Plan Requirements. 61 vi
Chapter 400. Soil Erosion, Sedimentation, and Pollution Control. Section 400-60. Inspections. 64 Section 400-70. Violations, Enforcement, and Penalties. 64 Section 400-80. Education and Certification Required. 64 Section 400-90. Variance and Appeal. 65 Chapter 500. Riparian Buffers. Section 500-10. Stream Buffer Protection. 66 Section 500-20. Other Riparian Buffers. 72 Chapter 600. Buffers, Landscaping, and Tree Protection General Provisions Section 600-10. Intent. 73 Section 600-20. Purpose. 73 Chapter 610. Buffers Section 610-10. Applicability. 74 Section 610-20. Standards for Permanent Buffers. 74 Section 610-30. Standards for Construction Buffers. 78 Chapter 620. Landscape Regulations. Section 620-10. Applicability. 79 Section 620-20. Landscape Strip Planting Requirements. 79 Section 620-30. Off-Street Surface Parking Lot Planting Requirements. 81 Section 620-40. Street Tree Requirements in Non-residential Zoning Districts. 81 Section 620-50. Tree Requirements in Single-Family Attached Residential Zoning Districts. 82 Section 620-60. Tree Requirements in Single-Family Detached Residential Zoning Districts R-75 MOD, R-60, TND, R-SR, or R-ZT. 82 Section 620-65. Tree Requirements in Single-Family Detached Residential Zoning Districts R-100 CSO, R-75 CSO and OSC. 83 Section 620-70. Tree Requirements in Single-Family Detached Residential Zoning Districts RA-200, R-100, R-75 or R-100 MOD. 83 Section 620-75 Tree Requirements in Residential Zoning Districts 83 Section 620-80. No Access Easement Screening Requirements. 84 Chapter 630. Tree Preservation and Replacement Regulations. Section 630-10. Applicability and Exemptions. 85 Section 630-20. Permit Requirements. 87 Section 630-30. Tree Density Requirements. 89 Section 630-40. Tree Canopy Calculation Requirement. 92 Section 630-50. Tree Preservation and Replacement Requirements. 93 Section 630-60. Tree Species List Requirements. 94 vii
Chapter 630. Tree Preservation and Replacement Regulations. Section 630-70. Specimen Trees. 94 Section 630-80. Tree Bank Alternative Compliance. 99 Section 630-90. Redevelopment. 100 Section 630-100. Water-Efficient Design Considerations. 101 Chapter 640. Buffer, Landscaping, and Tree Protection Compliance. Section 640-10. Artificial Materials Prohibited. 102 Section 640-20. Warranty or Maintenance Surety. 102 Section 640-30. Inspection. 102 Section 640-40. Performance Surety. 102 Section 640-50. Continuing Maintenance. 103 Section 640-60. Enforcement. 103 Chapter 700. Floodplain Management. Section 700-10. General Provisions. 104 Section 700-20. Permit Application and Procedures. 108 Section 700-30. Permit Requirements. 109 Section 700-40. Development Provisions. 113 Section 700-50. Variances. 117 Chapter 800. Stormwater Management. Section 800-10. Stormwater Management General. 119 Section 800-20. Stormwater Management Documentation. 119 Section 800-30. Water Quality. 121 Section 800-40. Stormwater Peak Flow Design Criteria. 121 Section 800-50. Stormwater Treatment Facility Outlet Devices. 123 Section 800-60. Emergency Overflow Requirements. 124 Section 800-70. Stormwater Treatment Facility Location and Easement Criteria. 125 Section 800-80. Dams. 129 Section 800-90. Stormwater Management Practices for Redevelopment Projects. 132 Section 800-100. Exemptions. 133 Chapter 810. Stormwater Conveyance Systems. Section 810-10. General Requirements. 134 Section 810-20 Collection System Guidelines. 134 Section 810-30. Walls. 135 viii
Chapter 900. Infrastructure, Streets, Sidewalks, Multi-Use Paths, Greenways. Section 900-10. Street Classification and Right-of-Way Requirements. 136 Section 900-20. Requirements for New Streets and Roadways. 138 Section 900-30. Project Access Improvements. 140 Section 900-40. Driveway Design Standards. 141 Section 900-50. Street Intersections. 144 Section 900-60. Street Design Standards. 146 Section 900-70. Street Construction Standards and Specifications. 149 Section 900-80. Curbs and Gutters. 151 Section 900-90. Sidewalk Requirements. 152 Section 900-100. Multi-Use Path Requirements. 154 Section 900-110. Greenway Requirements. 154 Section 900-120. Traffic Control Devices. 155 Section 900-130. Traffic Calming Devices. 156 Section 900-140. Private Streets and Alleys. 156 Chapter 910. Street Lighting. Section 910-10. Responsibility for Street Lighting on Public Roads. 159 Section 910-20. Street Lighting in Overlay Zoning Districts. 159 Section 910-30. Specifications. 159 Section 910-40. Installation of Street Lights. 159 Section 910-50. Street Lights for New Subdivisions. 160 Chapter 1000. Public Utilities Installation. Section 1000-10. Placement of Utilities. 161 Section 1000-20. Water Supply Systems. 162 Section 1000-30. Cross-Connection Control and Backflow Prevention. 162 Section 1000-40. Disposal of Sanitary Waste. 163 Section 1000-50. Private Wastewater Disposal. 163 Section 1000-60. Sewer Construction Standards. 163 Section 1000-70. Underground Electric and Communication Utilities. 163 Section 1000-80. Street Cuts. 163 Appendices ix