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District of Columbia Building Code, 2017
- CHAPTER 1 ADMINISTRATION AND
ENFORCEMENT
- Section
101 General
- 102 Applicability
- 103 Department of Consumer and
Regulatory Affairs
- 104 Duties and Powers of Code Official
- 105 Permits
- 106 Submittal Documents
- 107 Temporary Structures and Uses
- 108 Fees
- 109 Inspections
- 110 Letters of Core And Shell Completion and
Certificates Authorizing Occupancy and
Use of Premises
- 111 Revocation of Permits and Certificates
- 112 Internal Agency Review and Appeals of Final
Decisions of Code Official and Zoning
Administrator
- 113 Violations, Remedies, Penalties, and Other
Enforcement Actions
- 114 Stop Work Order
- 115 Unsafe Conditions
- 116 Emergency Conditions
- 117 Posting of Occupant Load and
Live Load Signs
- 118 Addresses of Premises
- 119 Service Utilities
- 120 Covenants and Agreements
- 121 [Reserved
- 122 Amendments and Copies
- 123 Transitory Provisions
- CHAPTER 2 DEFINITIONS
- Section
201 General
- 202 General Definitions
- CHAPTER 3 USE AND OCCUPANCY
CLASSIFICATION
- Section
301 General
- 302 Classification
- 303 Assembly Group A
- 304 Business Group B
- 305 Educational Group E
- 306 Factory Group F
- 307 High-hazard Group H
- 308 Institutional Group I
- 309 Mercantile Group M
- 310 Residential Group R
- 311 Storage Group S
- 312 Utility and Miscellaneous Group U
- CHAPTER 4 SPECIAL DETAILED
REQUIREMENTS BASED ON
USE AND OCCUPANCY
- Section
401 Scope
- 402 Covered Mall and Open Mall Buildings
- 403 High-rise Buildings
- 404 Atriums
- 405 Underground Buildings
- 406 Motor-vehicle-related Occupancies
- 407 Group I-2
- 408 Group I-3
- 409 Motion Picture Projection Rooms
- 410 Stages, Platforms and Technical
Production Areas
- 411 Special Amusement Buildings
- 412 Aircraft-related Occupancies
- 413 Combustible Storage
- 414 Hazardous Materials
- 415 Groups H-1, H-2, H-3, H-4 and H-5
- 416 Application of Flammable Finishes
- 417 Drying Rooms
- 418 Organic Coatings
- 419 Live/work Units
- TABLE OF CONTENTS
xii 2017 DISTRICT OF COLUMBIA BUILDING CODE
420 Groups I-1, R-1, R-2, R-3 and R-4
- 421 Hydrogen Fuel Gas Rooms
- 422 Ambulatory Care Facilities
- 423 Storm Shelters
- 424 Children’s Play Structures
- 425 Hyperbaric Facilities
- 426 Combustible Dusts,
Grain Processing and Storage
- CHAPTER 5 GENERAL BUILDING
HEIGHTS AND AREAS
- Section
501 General
- 502 Definitions
- 503 General Building Height and
Area Limitations
- 504 Building Height and Number of Stories
- 505 Mezzanines and Equipment Platforms
- 506 Building Area
- 507 Unlimited Area Buildings
- 508 Mixed Use and Occupancy
- 509 Incidental Uses
- 510 Special Provisions
- CHAPTER 6 TYPES OF CONSTRUCTION
- Section
601 General
- 602 Construction Classification
- 603 Combustible Material in
Types I and II Construction
- CHAPTER 7 FIRE AND SMOKE
PROTECTION FEATURES
- Section
701 General
- 702 Definitions
- 703 Fire-resistance Ratings and Fire Tests
- 704 Fire-resistance Rating of
Structural Members
- 705 Exterior Walls
- 706 Fire Walls
- 707 Fire Barriers
- 708 Fire Partitions
- 709 Smoke Barriers
- 710 Smoke Partitions
- 711 Floor and Roof Assemblies
- 712 Vertical Openings
- 713 Shaft Enclosures
- 714 Penetrations
- 715 Fire-resistant Joint Systems
- 716 Opening Protectives
- 717 Ducts and Air Transfer Openings
- 718 Concealed Spaces
- 719 Fire-resistance Requirements for Plaster
- 720 Thermal- and Sound-insulating Materials
- 721 Prescriptive Fire Resistance
- 722 Calculated Fire Resistance
- CHAPTER 8 INTERIOR FINISHES
- Section
801 General
- 802 Definitions
- 803 Wall and Ceiling Finishes
- 804 Interior Floor Finish
- 805 Combustible Materials in Types
- and II Construction
- 806 Decorative Materials and Trim
- 807 Insulation
- 808 Acoustical Ceiling Systems
- CHAPTER 9 FIRE PROTECTION SYSTEMS
- Section
901 General
- 902 Definitions
- 903 Automatic Sprinkler Systems
- 904 Alternative Automatic
Fire-extinguishing Systems
- 905 Standpipe Systems
- 906 Portable Fire Extinguishers
- 907 Fire Alarm and Detection Systems
- 908 Emergency Alarm Systems
- 909 Smoke Control Systems
- 910 Smoke and Heat Removal
- 911 Fire Command Center
- 912 Fire Department Connections
- 913 Fire Pumps
- 914 Emergency Responder Safety Features
- 915 Carbon Monoxide Detection
- 916 Emergency Responder Radio Coverage
- 917 Fire Apparatus Access Roads
- 918 Key Boxes
- TABLE OF CONTENTS
2017 DISTRICT OF COLUMBIA BUILDING CODE
- CHAPTER 10 MEANS OF EGRESS
- Section
1001 Administration
- 1002 Definitions
- 1003 General Means of Egress
- 1004 Occupant Load
- 1005 Means of Egress Sizing
- 1006 Number of Exits and
Exit Access Doorways
- 1007 Exit and Exit Access
Doorway Configuration
- 1008 Means of Egress Illumination
- 1009 Accessible Means of Egress
- 1010 Doors, Gates and Turnstiles
- 1011 Stairways
- 1012 Ramps
- 1013 Exit Signs
- 1014 Handrails
- 1015 Guards
- 1016 Exit Access
- 1017 Exit Access Travel Distance
- 1018 Aisles
- 1019 Exit Access Stairways and Ramps
- 1020 Corridors
- 1021 Egress Balconies
- 1022 Exits
- 1023 Interior Exit Stairways and Ramps
- 1024 [Reserved
- 1025 [Reserved
- 1026 Horizontal Exits
- 1027 Exterior Exit Stairways and Ramps
- 1028 Exit Discharge
- 1029 Assembly
- 1030 Emergency Escape and Rescue
- CHAPTER 11 ACCESSIBILITY
- Section
1101 General
- 1102 Definitions
- 1103 Scoping Requirements
- 1104 Accessible Route
- 1105 Accessible Entrances
- 1106 Parking and Passenger Loading Facilities
- 1107 Dwelling Units and Sleeping Units
- 1108 Special Occupancies
- 1109 Other Features and Facilities
- 1110 Recreational Facilities
- 1111 Signage
- CHAPTER 12 INTERIOR ENVIRONMENT
- Section
1201 General
- 1202 Definitions
- 1203 Ventilation
- 1204 Temperature Control . . . . . . . . . . . . . . . . . . . . .38
- 1205 Lighting
- 1206 Yards or Courts
- 1207 Sound Transmission
- 1208 Interior Space Dimensions
- 1209 Access to Unoccupied Spaces
- 1210 Toilet and Bathroom Requirements
- CHAPTER 13 ENERGY EFFICIENCY
- Section
1301 General
- CHAPTER 14 EXTERIOR WALLS
- Section
1401 General
- 1402 Definitions
- 1403 Performance Requirements
- 1404 Materials
- 1405 Installation of Wall Coverings
- 1406 Combustible Materials on the
Exterior Side of Exterior Walls
- 1407 Metal Composite Materials (MCM
- 1408 Exterior Insulation and
Finish Systems (EIFS
- 1409 High-pressure Decorative Exterior-grade
Compact Laminates (HPL
- 1410 Plastic Composite Decking
- CHAPTER 15 ROOF ASSEMBLIES AND
ROOFTOP STRUCTURES
- Section
1501 General
- 1502 Definitions
- 1503 Weather Protection
- 1504 Performance Requirements
- 1505 Fire Classification
- 1506 Materials
- TABLE OF CONTENTS
xiv 2017 DISTRICT OF COLUMBIA BUILDING CODE
1507 Requirements for Roof Coverings
- 1508 Roof Insulation
- 1509 Radiant Barriers Installed Above Deck
- 1510 Rooftop Structures
- 1511 Reroofing
- 1512 Roof Solar Reflectance and
Thermal Emittance
- CHAPTER 16 STRUCTURAL DESIGN
- Section
1601 General
- 1602 Definitions and Notations
- 1603 Construction Documents
- 1604 General Design Requirements
- 1605 Load Combinations
- 1606 Dead Loads
- 1607 Live Loads
- 1608 Snow Loads
- 1609 Wind Loads
- 1610 Soil Lateral Loads
- 1611 Rain Loads
- 1612 Flood Loads
- 1613 Earthquake Loads
- 1614 Atmospheric Ice Loads
- 1615 Structural Integrity
- CHAPTER 17 SPECIAL INSPECTIONS
AND TESTS
- Section
1701 General
- 1702 Definitions
- 1703 Approvals
- 1704 Special Inspections and Tests,
Contractor Responsibility
and Structural Observation
- 1705 Required Special Inspections and Tests
- 1706 Design Strengths of Materials
- 1707 Alternative Test Procedure
- 1708 In-situ Load Tests
- 1709 Preconstruction Load Tests
- CHAPTER 18 SOILS AND FOUNDATIONS
- Section
1801 General
- 1802 Definitions
- 1803 Geotechnical Investigations
- 1804 Excavation, Grading and Fill
- 1805 Dampproofing and Waterproofing
- 1806 Presumptive Load-bearing Values of Soils
- 1807 Foundation Walls, Retaining Walls and
Embedded Posts and Poles
- 1808 Foundations
- 1809 Shallow Foundations
- 1810 Deep Foundations
- CHAPTER 19 CONCRETE
- Section
1901 General
- 1902 Definitions
- 1903 Specifications for Tests and Materials
- 1904 Durability Requirements
- 1905 Modifications to ACI 318
- 1906 Structural Plain Concrete
- 1907 Minimum Slab Provisions
- 1908 Shotcrete
- CHAPTER 20 ALUMINUM
- Section
2001 General
- 2002 Materials
- CHAPTER 21 MASONRY
- Section
2101 General
- 2102 Definitions and Notations
- 2103 Masonry Construction Materials
- 2104 Construction
- 2105 Quality Assurance
- 2106 Seismic Design
- 2107 Allowable Stress Design
- 2108 Strength Design of Masonry
- 2109 Empirical Design of Masonry
- 2110 Glass Unit Masonry
- 2111 Masonry Fireplaces
- 2112 Masonry Heaters
- 2113 Masonry Chimneys
- CHAPTER 22 STEEL
- Section
2201 General
- 2202 Definitions
- TABLE OF CONTENTS
2017 DISTRICT OF COLUMBIA BUILDING CODE
- 2203 Identification and Protection of Steel
for Structural Purposes
- 2204 Connections
- 2205 Structural Steel
- 2206 Composite Structural Steel and
Concrete Structures
- 2207 Steel Joists
- 2208 Steel Cable Structures
- 2209 Steel Storage Racks
- 2210 Cold-formed Steel
- 2211 Cold-formed Steel Light-frame Construction
- CHAPTER 23 WOOD
- Section
2301 General
- 2302 Definitions
- 2303 Minimum Standards and Quality
- 2304 General Construction Requirements
- 2305 General Design Requirements for
Lateral Force-resisting Systems
- 2306 Allowable Stress Design
- 2307 Load and Resistance Factor Design
- 2308 Conventional Light-frame Construction
- 2309 Wood Frame Construction Manual
- CHAPTER 24 GLASS AND GLAZING
- Section
2401 General
- 2402 Definitions
- 2403 General Requirements for Glass
- 2404 Wind, Snow, Seismic and
Dead Loads on Glass
- 2405 Sloped Glazing and Skylights
- 2406 Safety Glazing
- 2407 Glass in Handrails and Guards
- 2408 Glazing in Athletic Facilities
- 2409 Glass in Walkways, Elevator Hoistways
and Elevator Cars
- CHAPTER 25 GYPSUM BOARD,
GYPSUM PANEL PRODUCTS
AND PLASTER
- Section
2501 General
- 2502 Definitions
- 2503 Inspection
- 2504 Vertical and Horizontal Assemblies
- 2505 Shear Wall Construction
- 2506 Gypsum Board and
Gypsum Panel Product Materials
- 2507 Lathing and Plastering
- 2508 Gypsum Construction
- 2509 Showers and Water Closets
- 2510 Lathing and Furring for Cement
Plaster (Stucco
- 2511 Interior Plaster
- 2512 Exterior Plaster
- 2513 Exposed Aggregate Plaster
- 2514 Reinforced Gypsum Concrete
- CHAPTER 26 PLASTIC
- Section
2601 General
- 2602 Definitions
- 2603 Foam Plastic Insulation
- 2604 Interior Finish and Trim
- 2605 Plastic Veneer
- 2606 Light-transmitting Plastics
- 2607 Light-transmitting Plastic Wall Panels
- 2608 Light-transmitting Plastic Glazing
- 2609 Light-transmitting Plastic Roof Panels
- 2610 Light-transmitting Plastic Skylight Glazing
- 2611 Light-transmitting Plastic Interior Signs
- 2612 Plastic Composites
- 2613 Fiber-reinforced Polymer
- 2614 Reflective Plastic Core Insulation
- CHAPTER 27 ELECTRICAL
- Section
2701 General
- 2702 Emergency and Standby Power Systems
- CHAPTER 28 MECHANICAL SYSTEMS
- Section
2801 General
- CHAPTER 29 PLUMBING SYSTEMS
- Section
2901 General
- 2902 Minimum Plumbing Facilities
- TABLE OF CONTENTS
xvi 2017 DISTRICT OF COLUMBIA BUILDING CODE
CHAPTER 30 ELEVATORS AND
CONVEYING SYSTEMS
- Section
3001 General
- 3002 Hoistway Enclosures
- 3003 Emergency Operations
- 3004 Conveying Systems
- 3005 Machine Rooms
- 3006 Elevator Lobbies and
Hoistway Opening Protection
- 3007 Fire Service Access Elevator
- 3008 Occupant Evacuation Elevators
- 3009 Certificate of Inspection
- 3010 Required Elevator Signage
- 3011 Amendments To Standard ASME A17.1
- CHAPTER 31 SPECIAL CONSTRUCTION
- Section
3101 General
- 3102 Membrane Structures
- 3103 Temporary Structures
- 3104 Pedestrian Walkways and Tunnels
- 3105 Awnings and Canopies
- 3106 Marquees
- 3107 Signs
- 3108 Telecommunication and Broadcast Towers
- 3109 Swimming Pool Enclosures and
Safety Devices
- 3110 Automatic Vehicular Gates
- 3111 Photovoltaic Panels and Modules
- 3112 Fences
- CHAPTER 32 ENCROACHMENTS INTO THE
PUBLIC RIGHT-OF-WAY
- Section
3201 General
- 3202 Projections
- CHAPTER 33 SAFEGUARDS DURING
CONSTRUCTION
- Section
3301 General
- 3302 Construction Safeguards
- 3303 Demolition
- 3304 Site Work
- 3305 Sanitary
- 3306 Protection of Pedestrians
- 3307 Protection of Adjoining Property
- 3308 Temporary Use of Streets, Alleys and
Public Property
- 3309 Fire Extinguishers
- 3310 Means of Egress
- 3311 Standpipes
- 3312 Automatic Sprinkler System
- 3313 Water Supply for Fire Protection
- CHAPTER 34 EXISTING BUILDINGS
- 3401 General
- CHAPTER 35 REFERENCED STANDARDS
- APPENDIX A EMPLOYEE
QUALIFICATIONS
- Section
A101 Building Official Qualifications
- A102 Referenced Standards
- APPENDIX B BOARD OF APPEALS
- Section
B101 General
- APPENDIX C GROUP U—AGRICULTURAL
BUILDINGS
- Section
C101 General
- C102 Allowable Height and Area
- C103 Mixed Occupancies
- C104 Exits
- APPENDIX D FIRE DISTRICTS
- Section
D101 General
- D102 Building Restrictions
- D103 Changes to Buildings
- D104 Buildings Located Partially in the
Fire District
- D105 Exceptions to Restrictions in Fire District
- D106 Referenced Standards
- TABLE OF CONTENTS
2017 DISTRICT OF COLUMBIA BUILDING CODE
- APPENDIX E SUPPLEMENTARY ACCESSIBILITY
REQUIREMENTS
- Section
E101 General
- E102 Definitions
- E103 Accessible Route
- E104 Special Occupancies
- E105 Other Features and Facilities
- E106 Telephones
- E107 Signage
- E108 Bus Stops
- E109 Transportation Facilities and Stations
- E110 Airports
- E111 Referenced Standards
- APPENDIX F RODENTPROOFING
- Section
F101 General
- APPENDIX G FLOOD-RESISTANT
CONSTRUCTION
- Section
G101 Administration
- G102 Applicability
- G103 Powers and Duties
- G104 Permits
- G105 Code Modifications
- G106 Inspections
- G107 Violations
- G201 Definitions
- G301 Subdivisions
- G401 Site Improvement
- G501 Manufactured Homes
- G601 Recreational Vehicles
- G701 Tanks
- G801 Other Building Work
- G802 Mixed-use Buildings
- G901 Temporary Structures and
Temporary Storage
- G1001 Utility and Miscellaneous Group U
- G1101 Referenced Standards
- APPENDIX H SIGNS
- Section
H101 General
- H102 Definitions
- H103 Location
- H104 Identification
- H105 Design and Construction
- H106 Electrical
- H107 Combustible Materials
- H108 Animated Devices
- H109 Ground Signs
- H110 Roof Signs
- H111 Wall Signs
- H112 Projecting Signs
- H113 Marquee Signs
- H114 Portable Signs
- H115 Referenced Standards
- APPENDIX I PATIO COVERS
- Section
I101 General
- I102 Definition
- I103 Exterior Walls and Openings
- I104 Height
- I105 Structural Provisions
- APPENDIX J GRADING
- Section
J101 General
- J102 Definitions
- J103 Permits Required
- J104 Permit Application and Submittals
- J105 Inspections
- J106 Excavations
- J107 Fills
- J108 Setbacks
- J109 Drainage and Terracing
- J110 Erosion Control
- J111 Referenced Standards
- APPENDIX K ADMINISTRATIVE
PROVISIONS
- Section
K101 General
- K102 Applicability
- K103 Permits
- K104 Construction Documents
- K105 Alternative Engineered Design
- TABLE OF CONTENTS
xviii 2017 DISTRICT OF COLUMBIA BUILDING CODE
K106 Required Inspections
- K107 Prefabricated Construction
- K108 Testing
- K109 Reconnection
- K110 Condemning Electrical Systems
- K111 Electrical Provisions
- APPENDIX L EARTHQUAKE RECORDING
INSTRUMENTATION
- L101 General
- APPENDIX M TSUNAMI-GENERATED FLOOD
HAZARD
- M101 Tsunami-generated Flood Hazard
- M102 Referenced Standards
- APPENDIX N SIGNS
- N101 General
- INDEX [Go to Page]