NFPA 5000 Building Construction and Safety Code 2018 NFPA IMPORTANT NOTICES AND DISCLAIMERS CONCERNING NFPA STANDARDS NOTICE AND DISCLAIMER OF LIABILITY CONCERNING THE USE OF NFPA STANDARDS NFPA codes standards remended practices and guides(“NFPA Standards'") of which the document contained herein is one are developed through a consensus standards development process approved by the American National Standards Institute.This process brings together volunteers representing varied viewpoints and interests to achieve consensus on fire and other safety issues.While the NFPA administers the process and establishes rules to promote fairness in the development of consensus it does not independently test evaluate or verify the accuracy of any information or the soundness of any judgments contained in NFPA Standards. The NFPA disclaims liability for any personal injury property or other damages of any nature whatsoever whether special indirect consequential or pensatory directly or indirectly resulting from the publication use of or reliance on NFPA Standards.The NFPA also makes no guaranty or warranty as to the accuracy or pleteness of any information published herein. In issuing ...
Important Notices and Disclaimers -2
Additional Notices and Disclaimers -1
Chapter 1 Administration 28
1.1 Scope. 28
1.2 Purpose. 28
1.3 Application. 28
1.4 Retroactivity. (Reserved) 28
1.5 Equivalency. 28
1.6 Units. 28
1.7 Enforcement. 29
Chapter 2 Referenced Publications 37
2.1 General. 37
2.2 NFPA Publications. 37
2.3 Other Publications. 39
2.4 References for Extracts in Mandatory Sections. 46
Chapter 3 Definitions 47
3.1 General. 47
3.2 NFPA Official Definitions. 47
3.3 General Definitions. 47
Chapter 4 General 77
4.1 Goals and Objectives. 77
4.2 Assumptions. 80
4.3 Building Design and Life Safety Compliance Options. 80
4.4 Fundamental Fire and Life Safety Requirements. 80
4.5 General Requirements. 81
4.6 Roof Access. 82
Chapter 5 Performance-Based Option 82
5.1 General Requirements. 82
5.2 Performance Criteria. 82
5.3 Retained Prescriptive Requirements. 84
5.4 Performance-Based Design Characteristics and Assumptions. 84
5.5 Design Scenarios. 85
5.6 Evaluation of Proposed Designs. 88
5.7 Safety Factors. 88
5.8 Documentation Requirements. 88
Chapter 6 Classification of Occupancy, Classification of Hazard of Contents, and Special Operations 89
6.1 Classification of Occupancy. 89
6.2 Multiple Occupancies. 90
6.3 Hazard of Contents. 91
6.4 Special Operations. 93
Chapter 7 Construction Types and Height and Area Requirements 95
7.1 General. 95
7.2 Construction Types. 97
7.3 Exterior Walls. 101
7.4 Height and Area Requirements. 104
7.5 Height Increases Permitted. 109
7.6 Area Increases Permitted. 109
Chapter 8 Features of Fire Protection 112
8.1 General. 112
8.2 Fire Resistance–Rated Construction. 112
8.3 High Challenge Fire Walls and Fire Walls. 113
8.4 Fire Barrier Walls. 120
8.5 Exterior Walls — General. 120
8.6 Horizontal Assemblies. 120
8.7 Opening Protectives. 121
8.8 Penetrations. 123
8.9 Joints. 125
8.10 Smoke Partitions. 126
8.11 Smoke Barriers. 127
8.12 Vertical Openings. 129
8.13 Mezzanine. 131
8.14 Concealed Spaces. 131
8.15 Special Hazard Protection. 132
8.16 Insulating Materials. 133
8.17 Waste Chutes and Linen Chutes. 134
Chapter 9 Reserved 134
Chapter 10 Interior Finish 134
10.1 General. 134
10.2 Interior Finish. 134
Chapter 11 Means of Egress 138
11.1 General. 138
11.2 Means of Egress Components. 139
11.3 Capacity of Means of Egress. 160
11.4 Number of Means of Egress. 162
11.5 Arrangement of Means of Egress. 163
11.6 Measurement of Travel Distance to Exits. 164
11.7 Discharge from Exits. 165
11.8 Illumination of Means of Egress. 166
11.9 Emergency Lighting. 166
11.10 Marking of Means of Egress. 167
11.11 Special Provisions for Occupancies with High Hazard Contents. 168
11.12 Mechanical Equipment Rooms, Boiler Rooms, and Furnace Rooms. 168
11.13 Normally Unoccupied Building Service Equipment Support Areas. 169
11.14 Occupant Evacuation Elevators. 169
Chapter 12 Accessibility 172
12.1 Application. 2010 ADA STANDARDS (DOJ) 172
12.2 Existing Buildings and Facilities. 172
12.3 General Exceptions. 172
12.4 Protruding Objects. 173
12.5 Operable Parts. 173
12.6 Accessible Routes. 174
12.7 Accessible Means of Egress. 177
12.8 Parking Spaces. 177
12.9 Passenger Loading Zones and Bus Stops. 178
12.10 Stairways. 179
12.11 Drinking Fountains. 179
12.12 Kitchens and Kitchenettes. 179
12.13 Toilet Facilities and Bathing Facilities. 179
12.14 Washing Machines and Clothes Dryers. 180
12.15 Fire Alarm Systems. 180
12.16 Signs. 180
12.17 Telephones. 182
12.18 Transportation Facilities. 183
12.19 Assistive Listening Systems. 183
12.20 Automatic Teller Machines and Fare Machines. 183
12.21 Assembly Areas. 183
12.22 Dressing, Fitting, and Locker Rooms. 185
12.23 Health Care Occupancies and Residential Board and Care Occupancies. 185
12.24 Hotel and Motel and Lodging and Rooming House Guest Rooms. 185
12.25 Storage. 186
12.26 Dining Surfaces and Work Surfaces. 187
12.27 Sales and Service. 187
12.28 Depositories, Vending Machines, Change Machines, Mail Boxes, and Fuel Dispensers. 187
12.29 Windows. 188
12.30 Two-Way Communication Systems. 188
12.31 Judicial Facilities. 188
12.32 Detention Facilities and Correctional Facilities. 188
12.33 Residential Facilities. 189
12.34 Amusement Rides. 191
12.35 Recreational Boating Facilities. 192
12.36 Exercise Machines and Equipment. 192
12.37 Fishing Piers and Platforms. 192
12.38 Golf Facilities. 192
12.39 Miniature Golf Facilities. 192
12.40 Play Areas. 192
12.41 Saunas and Steam Rooms. 193
12.42 Swimming Pools, Wading Pools, and Spas. 193
12.43 Shooting Facilities with Firing Positions. 193
12.44 Technical Requirements. 193
12.45 Additional Technical Requirements. 194
Chapter 13 Encroachments into the Public Right-of-Way 197
13.1 General. 197
13.2 Projection into Alleys. 197
13.3 Space Below Sidewalk. 197
13.4 Balconies and Appendages. 198
13.5 Doors. 198
13.6 Roof Drainage. 198
13.7 Air-Right Structures. 198
13.8 Skywalk Bridges. 198
Chapter 14 Safeguards During Construction 198
14.1 Purpose. 198
14.2 Application. 198
14.3 Protection of Utilities. 198
14.4 Temporary Light and Power. 198
14.5 Use of Explosives. 198
Chapter 15 Building Rehabilitation 198
15.1 Administration. 198
15.2 Definitions and Chapter Organization. 199
15.3 Repair. 200
15.4 Renovation. 201
15.5 Modification. 203
15.6 Reconstruction. 205
15.7 Change of Use and Change of Occupancy Classification. 211
15.8 Addition. 216
15.9 Damaged or Unsafe Buildings. 216
15.10 Historic Buildings and Structures. 217
Chapter 16 Assembly Occupancies 219
16.1 General Requirements. 219
16.2 Means of Egress Requirements. 220
16.3 Protection. 228
16.4 Special Provisions. 231
16.5 Building Services. 240
Chapter 17 Educational Occupancies 240
17.1 General Requirements. 240
17.2 Means of Egress Requirements. 241
17.3 Protection. 243
17.4 Special Provisions. 245
17.5 Building Services. 246
Chapter 18 Day-Care Occupancies 246
18.1 General Requirements. 246
18.2 Means of Egress Requirements. 247
18.3 Protection. 249
18.4 Special Provisions. 250
18.5 Building Services. 251
18.6 Day-Care Homes. 251
Chapter 19 Health Care Occupancies 253
19.1 General Requirements. 253
19.2 Means of Egress Requirements. 256
19.3 Protection. 261
19.4 Special Provisions. 266
19.5 Building Services. 267
Chapter 20 Ambulatory Health Care Occupancies 268
20.1 General Requirements. 268
20.2 Means of Egress Requirements. 270
20.3 Protection. 272
20.4 Special Provisions. 274
20.5 Building Services. 274
Chapter 21 Detention and Correctional Occupancies 275
21.1 General Requirements. 275
21.2 Means of Egress Requirements. 276
21.3 Protection. 278
21.4 Special Provisions. 280
21.5 Building Services. 284
Chapter 22 One- and Two-Family Dwellings 284
22.1 General Requirements. 284
22.2 Means of Escape Requirements. 285
22.3 Protection. 288
22.4 Separation Within Two-Family Dwellings. 288
22.5 Separation Between Townhouses. 288
22.6 Building Services. 289
Chapter 23 Lodging or Rooming House Occupancies 289
23.1 General Requirements. 289
23.2 Means of Escape Requirements. 290
23.3 Protection. 290
23.4 Reserved. 292
23.5 Building Services. 292
Chapter 24 Hotels and Dormitory Occupancies 292
24.1 General Requirements. 292
24.2 Means of Egress Requirements. 293
24.3 Protection. 295
24.4 Special Provisions. 297
24.5 Building Services. 297
Chapter 25 Apartment Buildings 297
25.1 General Requirements. 297
25.2 Means of Egress Requirements. 298
25.3 Protection. 300
25.4 Special Provisions. 303
25.5 Building Services. 303
Chapter 26 Residential Board and Care Occupancies 303
26.1 General Requirements. 303
26.2 Small Facilities. 304
26.3 Large Facilities. 307
Chapter 27 Mercantile 312
27.1 General Requirements. 312
27.2 Means of Egress Requirements. 314
27.3 Protection. 316
27.4 Special Provisions. 317
27.5 Building Services. 320
27.6 Reserved. 321
Chapter 28 Business Occupancies 321
28.1 General Requirements. 321
28.2 Means of Egress Requirements. 321
28.3 Protection. 324
28.4 Special Provisions. 325
28.5 Building Services. 325
Chapter 29 Industrial Occupancies 325
29.1 General Requirements. 325
29.2 Means of Egress Requirements. 326
29.3 Protection. 328
29.4 Special Provisions. 329
29.5 Building Services. 329
29.6 Special Provisions for Aircraft-Servicing Hangars. 329
Chapter 30 Storage Occupancies 329
30.1 General Requirements. 329
30.2 Means of Egress Requirements. 330
30.3 Protection. 331
30.4 Special Provisions. 332
30.5 Building Services. 332
30.6 Special Provisions for Aircraft Storage Hangars. 332
30.7 Special Provisions for Grain or Other Bulk Storage Elevators. 332
30.8 Special Provisions for Parking Structures. 332
Chapter 31 Occupancies in Special Structures 336
31.1 General. 336
31.2 Underground Structures. 336
31.3 Limited Access Structures. 337
31.4 Vehicles and Vessels (Mobile Units). 337
31.5 Open Structures (Outdoor Processing Facilities). 337
31.6 Towers. 337
31.7 Water-Surrounded Structures. 340
31.8 Piers. 341
31.9 Helistops. 341
Chapter 32 Special Construction 341
32.1 General. 341
32.2 Membrane Structures. 342
32.3 Tents. 343
32.4 Awnings and Canopies. 344
32.5 Marquees. 345
32.6 Outdoor Signs. 345
32.7 Grandstands and Bleachers. 345
32.8 Swimming Pools and Spas. 347
32.9 Cooling Towers. 347
32.10 Temporary Structures. 347
32.11 Masonry and Concrete, Chimneys, and Fireplaces. 347
32.12 Masonry Heaters. 347
32.13 Roof Structures. 348
32.14 Towers and Spires. 348
32.15 Rooftop Heliports. 348
Chapter 33 High-Rise Buildings 348
33.1 General Requirements. 348
33.2 Means of Egress Requirements. 348
33.3 Protection. 349
Chapter 34 High Hazard Contents 350
34.1 General Requirements. 350
34.2 Requirements for All Occupancies Containing High Hazard Contents. 370
34.3 Requirements for Occupancies Exceeding the Maximum Allowable Quantity (MAQ) per Control Area for High Hazard Contents. 371
Chapter 35 Structural Design 385
35.1 General. 385
35.2 Special Definitions. 386
35.3 Building Classification. 387
35.4 Construction Documents. 389
35.5 Dead Loads. 390
35.6 Live Loads. 390
35.7 Roof Loads. 391
35.8 Snow Loads. 392
35.9 Wind Loads. 392
35.10 Earthquake Loads. 392
35.11 Lateral Soil Loads. 392
35.12 Flood Loads. 392
35.13 Ice Loads — Atmospheric Icing Loads. 393
35.14 Other Minimum Loads. 393
35.15 Load Combinations. 393
35.16 Building Rehabilitation. 393
35.17 Structural Hardening of Exterior Walls of Building Exits. (Reserved) 394
Chapter 36 Soils, Foundations, and Retaining Walls 394
36.1 Scope. 394
36.2 Excavations. 394
36.3 Investigation and Bearing Capacity of Soil. 394
36.4 Soil-Bearing Footings. 395
36.5 Pile Foundations. 396
36.6 Foundation Walls. 399
36.7 Wood Foundation Systems. 403
36.8 Waterproofing and Dampproofing. 403
36.9 Retaining Walls. 403
Chapter 37 Exterior Wall Construction 403
37.1 General. 403
37.2 Projections. 405
37.3 Weather Resistance. 405
37.4 Metal Composite Materials (MCM). 406
37.5 Exterior Insulation and Finish Systems (EIFS). 406
37.6 Storm Shelters. (Reserved) 407
Chapter 38 Roof Assemblies and Roof Structures 407
38.1 Scope. 407
38.2 Exterior Fire Exposure. 407
38.3 Interior Fire Exposure. 408
38.4 Wind Resistance. 408
38.5 Hail Resistance. 408
38.6 Roof Drainage. 409
38.7 Roof Flashing Requirements. 410
38.8 Ventilation of Attic Space. 410
38.9 Roof Materials and Assemblies. 410
38.10 Re-Roofing. 418
38.11 Light-Transmitting Plastic Roof Panels, Sloped Glazing, and Skylights. 418
38.12 Roof-Mounted Solar Photovoltaic (PV) Panels. 418
Chapter 39 Flood-Resistant Design and Construction 419
39.1 General. 419
39.2 Special Definitions. 419
39.3 Design Flood. 420
39.4 Flood Hazard Area. 421
39.5 Performance During the Design Flood. 421
39.6 Design and Construction Requirements. 421
39.7 Lowest Floor Elevation. 421
39.8 Foundations. 421
39.9 Materials. 421
39.10 Systems. 421
39.11 Enclosures Below the Design Flood Elevation. 422
39.12 Documentation. 422
39.13 Existing Structures. 423
39.14 Manufactured Housing. 423
39.15 Temporary Structures. 423
Chapter 40 Quality Assurance During Construction 424
40.1 General. 424
40.2 Extent of Quality Assurance. 424
40.3 Quality Assurance for Structural and Geotechnical Components and Assemblies. 425
40.4 Quality Assurance for Wall Finish Systems. 427
40.5 Quality Assurance for Sprayed Fire-Resistive Materials. 428
40.6 Quality Assurance for Smoke Control Systems. 429
40.7 Quality Assurance for Stairs and Railings. 430
40.8 Quality Assurance for Nonstructural Components and Systems. 430
40.9 Quality Assurance for Penetrations and Joints. 430
Chapter 41 Concrete 431
41.1 Scope. 431
41.2 General. 431
41.3 Construction Documents. 431
41.4 Quality Assurance. 432
41.5 Seismic Requirements. 432
41.6 Slabs-on-Ground. 432
41.7 Shotcrete. 432
Chapter 42 Aluminum 432
42.1 General. 432
Chapter 43 Masonry 432
43.1 Scope. 432
43.2 General. 432
43.3 Design. 432
43.4 Construction Documents. 433
43.5 Quality Assurance. 433
43.6 Masonry Construction Materials. 433
43.7 Masonry Construction. 433
43.8 Seismic Requirements. 433
43.9 Masonry and Concrete Fireplaces and Chimneys. 433
Chapter 44 Steel 433
44.1 General. 433
44.2 Structural Steel Construction. 433
44.3 Composite Structural Steel and Concrete Construction. 434
44.4 Open Web Steel Joists and Joist Girders. 434
44.5 Steel Cable Structures. 434
44.6 Industrial Steel Storage Racks. 434
44.7 Cold-Formed Steel. 434
44.8 Cold-Formed Steel Light Frame Construction. 434
Chapter 45 Wood 435
45.1 Scope. 435
45.2 Special Definitions. 435
45.3 General. 435
45.4 Design Requirements. 435
45.5 Criteria. 436
45.6 General Construction Requirements. 439
Chapter 46 Glass and Glazing 443
46.1 General. 443
46.2 Special Definitions. 443
46.3 Labeling. 443
46.4 Louvered Windows or Jalousies. 443
46.5 Human Impact Loads. 443
46.6 Glass in Handrails and Guards. 445
46.7 Glazing in Athletic Facilities. 446
46.8 Sloped Glazing and Skylights. 446
46.9 Glass Supports. 447
46.10 Wind, Snow, and Dead Loads on Glass. 447
46.11 Fire Protection Glazing. 449
Chapter 47 Gypsum Board, Lath, and Plaster 449
47.1 General Requirements. 449
47.2 Gypsum Board and Gypsum Veneer Plaster. 449
47.3 Gypsum Lath and Gypsum Plaster. 451
47.4 Lath and Plaster. 451
47.5 Reinforced Gypsum Concrete. 453
Chapter 48 Plastics 453
48.1 Scope. 453
48.2 Special Definitions. 453
48.3 General Criteria — Foam Plastic Insulation. 454
48.4 Specific Application Requirements — Foam Plastic Insulation. 456
48.5 Specific Requirements — Interior Finish and Trim. 457
48.6 Specific Requirements — Plastic Veneers. 457
48.7 Specific Requirements — Light-Transmitting Plastics. 458
48.8 Specific Requirements — Plastic Interior Signs. 461
48.9 Specific Requirements — Light-Transmitting Plastics Used in Greenhouses. 461
48.10 Specific Requirements — Plastic Composite Exterior Deck Boards, Stair Treads, Handrails, and Guards. 461
Chapter 49 Interior Environment 462
49.1 General. 462
49.2 Ventilation. 462
49.3 Lighting. 466
49.4 Sound Transmission. 466
49.5 Interior Space Dimensions. 466
49.6 Access to Attics. 467
49.7 Design Conditions. 467
49.8 Special Requirements for Occupancies. 467
49.9 Vermin Proofing. (Reserved) 467
Chapter 50 Mechanical Systems 467
50.1 General. 467
50.2 Flood Resistance. 468
50.3 Refrigeration Machinery Room. 468
Chapter 51 Energy Efficiency 468
51.1 General. 468
51.2 Commercial. 468
51.3 Residential. 468
51.4 Manufactured Homes. 468
51.5 Day Care. 468
51.6 Residential Board and Care. 468
Chapter 52 Electrical Systems 468
52.1 General. 468
52.2 Flood Resistance. 468
52.3 Stationary Storage Battery Systems. 469
Chapter 53 Plumbing Systems 469
53.1 General. 469
53.2 Flood Resistance. 469
Chapter 54 Elevators and Conveying Systems 469
54.1 General. 469
54.2 Installation. 469
54.3 Ambulance Stretcher Accommodation. 469
54.4 Openings to Exit Enclosures. 469
54.5 Elevator Machine/Control Rooms and Machinery/Control Spaces. 469
54.6 Number of Cars in a Hoistway. 469
54.7 Hoistway Enclosure. 469
54.8 Flood Resistance. 470
54.9 Vents Required. 470
54.10 Conveying Systems. 470
54.11 Wheelchair Lifts. 470
54.12 Fire Service Access Elevators. 470
Chapter 55 Fire Protection Systems and Equipment 471
55.1 General. 471
55.2 Fire Detection, Alarm, and Communications Systems. 471
55.3 Automatic Sprinklers. 474
55.4 Standpipe Systems. 474
55.5 Other Automatic Extinguishing Equipment. 475
55.6 Portable Fire Extinguishers. 475
55.7 Smoke Control. 475
55.8 Fire Hydrants. 475
55.9 Private Fire Service Mains. 475
55.10 Protection of Cooking Operations. 475
55.11 Carbon Monoxide (CO) Detection and Warning Equipment. 475
55.12 Special Inspections and Tests. 475
55.13 Risk Analysis for Mass Notification Systems. 475
Annex A Explanatory Material 477
Annex B Vermin Proofing 597
Annex C Flood-Resistant Construction 597
Annex D Construction Types and Enhanced Fire Compartment Requirements 601
Annex E Supplemental Evacuation Equipment 617
Annex F Green Construction 619
Annex G Informational References 619