2017 NFPA 501 Standard - Current Edition
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  • Description

    The 2017 edition of NFPA 501 helps you maximize safety for manufactured housing with updates to the industry accepted practices.

    NFPA 501: Standard on Manufactured Housing covers all the equipment and installations used in the design, construction, transportation, fire safety, plumbing, heat-producing, and electrical systems of manufactured homes.

    The Standard covers virtually every aspect of safety. To be more comprehensive, the previous edition added requirements on safe rooms to provide a safe area for occupants of manufactured housing in areas prone to hurricanes, tornados, and other natural disasters. Requirements on water mist sprinkler systems reference the 2016 edition of NFPA 13D: Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes.

    Update to the 2017 edition for the latest safeguards.

    • A new requirement for total smoke released provides an optional measurement where smoke limitations are desired.
    • The test for cellulose loose-fill insulation specifies CAN/ULC S102.2 because it has been shown that cellulose loose-fill insulation cannot be tested appropriately using ASTM E84 or UL 723.
    • Requirements in 5.8.2.3.1 and 5.8.2.3.2 have been removed to avoid redundancy with NFPA 275.
    • NFPA 750 was removed as a reference because it is not an approved automatic sprinkler system and has not been proved to be equivalent to any of the NFPA 13
    • References and extracts are appropriately updated.

    Manufacturers, installers, and AHJs can depend on the 2017 edition of NFPA 501 for up-to-date requirements that help ensure the continued safety of manufactured housing. (Print, 68 pp., 2017)

     

    Interested in other editions of NFPA 501? Use the drop down menu above to select the edition year you need.

  • Table of Contents (2017 Current Edition)

    NFPA® 501 Standard on Manufactured Housing, 2017 Edition

    Chapter 1 General
    1.1 Scope.
    1.2 Definitions.
    1.3 Consumer Manual Requirements.
    1.4 Incorporation by Reference.
    1.5 Data Plate.
    1.6 Serial Number.
    1.7 Excluded Structures.
    1.8 Waivers.
    1.9 Interpretive Bulletins.
    1.10 Use of Alternative Construction.
    1.11 Certification Label.
    Chapter 2 Referenced Publications (Reserved)
    Chapter 3 Reserved
    Chapter 4 Planning Considerations
    4.1 Scope.
    4.2 Special Definitions.
    4.3 Light and Ventilation.
    4.4 Ceiling Heights.
    4.5 Exit Facilities - Exterior Doors.
    4.6 Exit Facilities - Egress Windows and Devices.
    4.7 Interior Privacy.
    4.8 Interior Passage Doors.
    4.9 Room Requirements.
    4.10 Minimum Room Dimensions.
    4.11 Bathroom Passage Doors.
    4.12 Hallways.
    4.13 Glass and Glazed Openings.
    4.14 Landings.
    4.15 Handrails.
    4.16 Guards.
    4.17 Stairway Illumination.
    Chapter 5 Fire Safety
    5.1 Scope.
    5.2 Definitions.
    5.3 Flame Spread.
    5.4 Fire Safety of Bathrooms.
    5.5 Kitchen Cabinet Protection.
    5.6 Carpeting.
    5.7 Fireblocking.
    5.8 Requirements for Thermal Insulating Materials.
    5.9 Fire and Life Safety Equipment.
    5.10 Fire Testing.
    5.11 Fire Sprinkler System.
    5.12 Attached Garages.
    5.13 Carbon Monoxide Detectors.
    Chapter 6 Body and Frame Construction Requirements
    6.1 Scope.
    6.2 Definitions.
    6.3 General Requirements.
    6.4 Minimum Standards.
    6.5 Structural Design Requirements.
    6.6 Windstorm Protection.
    6.7 Resistance to Elements and Use.
    6.8 Formaldehyde Emission Controls for Certain Wood Products.
    Chapter 7 Testing
    7.1 Structural Load Tests.
    7.2 Test Procedure for Roof Trusses.
    7.3 Requirements for Windows, Sliding Glass Doors, and Skylights Used in Manufactured Homes.
    7.4 Requirements for Egress Windows and Devices for Use in Manufactured Homes.
    7.5 Requirements for Swinging Exterior Passage Doors for Use in Manufactured Homes.
    7.6 Air Chamber Test Method for Certification and Qualification of Formaldehyde Emission Levels.
    Chapter 8 Thermal Protection
    8.1 Scope.
    8.2 Definitions.
    8.3 Materials.
    8.4 Condensation Control and Installation of Vapor Retarders.
    8.5 Air Infiltration.
    8.6 Heat Loss/Heat Gain.
    8.7 Comfort Heat Gain.
    8.8 Heat Loss, Heat Gain, and Cooling Load Calculations.
    8.9 Criteria in Absence of Specific Data.
    8.10 Heat Loss Certificate.
    8.11 Comfort Cooling Certificate and Information.
    Chapter 9 Plumbing Systems
    9.1 Scope.
    9.2 Definitions.
    9.3 General Requirements.
    9.4 Materials.
    9.5 Joints and Connections.
    9.6 Traps and Cleanouts.
    9.7 Plumbing Fixtures.
    9.8 Hangers and Supports.
    9.9 Water Distribution Systems.
    9.10 Drainage Systems.
    9.11 Vents and Venting.
    9.12 Tests and Inspection.
    Chapter 10 Heating, Cooling, and Fuel-Burning Systems
    10.1 Scope.
    10.2 Definitions.
    10.3 Minimum Standards.
    10.4 Gas Piping Systems.
    10.5 Oil Piping Systems.
    10.6 Heat-Producing Appliances.
    10.7 Exhaust Duct System and Provisions for the Future Installation of a Clothes Dryer.
    10.8 Installation of Appliances.
    10.9 Venting, Ventilation, and Combustion Air.
    10.10 Instructions.
    10.11 Marking.
    10.12 Accessibility.
    10.13 Cooling Appliances.
    10.14 Circulating Air System.
    Chapter 11 Electrical Systems
    11.1 Scope.
    11.2 Definitions.
    11.3 Power Supply.
    11.4 Disconnecting Means and Branch-Circuit Protective Equipment.
    11.5 Branch Circuits Required.
    11.6 Receptacle Outlets.
    11.7 Fixtures and Appliances.
    11.8 Wiring Methods and Materials.
    11.9 Grounding.
    11.10 Electrical Testing.
    11.11 Calculations.
    11.12 Wiring of Expandable Units and Multi-Wide Units.
    11.13 Outdoor Outlets, Fixtures, Air-Conditioning Equipment, and Other Equipment.
    11.14 Painting.
    11.15 Polarization.
    11.16 Examination of Equipment for Safety.
    Chapter 12 Transportation
    12.1 Scope.
    12.2 Definitions.
    12.3 General Requirements.
    12.4 System Requirements.
    12.5 System Component Requirements.
    Chapter 13 Special Construction Consideration
    13.1 Scope.
    13.2 Definitions.
    13.3 Dwelling Unit Separation.
    13.4 Exterior Walls.
    13.5 Electrical Service.
    13.6 Water Service.
    13.7 Safe Rooms.
    Chapter 14 Referenced Publications
    14.1 General.
    14.2 NFPA Publications.
    14.3 Other Publications.
    14.4 References for Extracts in Mandatory Sections.
    Annex A Explanatory Material
    Annex B Structural Calculation Guidelines for In-Transit Conditions for Manufactured Homes
    Annex C Transportation Road Test Protocol Guidelines
    Annex D Informational References
  • Prior Editions

    2013 Edition

     

    Maximize safety for manufactured housing by following the latest industry accepted practices in the 2013 NFPA 501.

    NFPA 501: Standard on Manufactured Housing covers all the equipment and installations used in the design, construction, transportation, fire safety, plumbing, heat-producing, and electrical systems of manufactured homes.

    Update to the 2013 edition and raise protection levels for people and property with changes that include:

    • New requirements on safe rooms to provide a safe area for occupants of manufactured housing in areas prone to hurricanes, tornados, and other natural disasters.
    • New requirements on water mist sprinkler systems referencing NFPA 13D: Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes and NFPA 750: Water Mist Fire Protection Systems

    Manufacturers, installers, and AHJs can depend on the 2013 NFPA 501 for up-to-date guidance that helps ensure the continued safety of manufactured housing. (Softbound, 103 pp., 2013)

     Interested in other editions of NFPA (insert Code #)? Use the drop down menu above to select the edition year you need.

     

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