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// CODE SNIPPET

306.5 Appliances on Roofs or Elevated Structures

2010 Fuel Gas Code of NY > 3 General Regulations > 306 Access and Service Space > 306.5 Appliances on Roofs or Elevated Structures
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Where appliances requiring access are installed on roofs or elevated structures at a height exceeding 16 feet (4877 mm), such access shall be provided by a permanent approved means of access, the extent of which shall be from grade or floor level to the appliance's level service space. Such access shall not require climbing over obstructions greater than 30 inches high (762 mm) or walking on roofs having a slope greater than four units vertical in 12 units horizontal (33-percent slope). [M]

Permanent ladders installed to provide the required access shall comply with the following minimum design criteria.
  1. The side railing shall extend above the parapet or roof edge not less than 30 inches (762 mm).
  2. Ladders shall have a rung spacing not to exceed 14 inches (356 mm) on center.
  3. Ladders shall have a toe spacing not less than 6 inches (152 mm) deep.
  4. There shall be a minimum of 18 inches (457 mm) between rails.
  5. Rungs shall have a minimum diameter of 0.75-inch (19 mm) and shall be capable of withstanding a 300-pound (136.1 kg) load.
  6. Ladders over 30 feet (9144 mm) in height shall be provided with offset sections and landings capable of withstanding a load of 100 pounds per square foot (488.2 kg/m2).
  7. Ladders shall be protected against corrosion by approved means.

    Catwalks installed to provide the required access shall be not less than 24 inches wide (610 mm) and shall have railings as required for service platforms.

    Exception:
    This section shall not apply to Group R-3 occupancies.

306.5.1 Sloped Roofs

Where appliances are installed on a roof having a slope of three units vertical in 12 units horizontal (25-percent slope) or greater and having an edge more than 30 inches (762 mm) above grade at such edge, a level platform shall be provided on each side of the appliance to which access is required for service, repair or maintenance. The platform shall not be less than 30 inches (762 mm) in any dimension and shall be provided with guards. The guards shall extend not less than 42 inches (1067 mm) above the platform, shall be constructed so as to prevent the passage of a 21-inch-diameter (533 mm) sphere and shall comply with the loading requirements for guards specified in the Chapter 27 of the Building Code of New York State . [M]

306.5.2 Electrical Requirements

A receptacle outlet shall be provided at or near the equipment location in accordance with the Chapter 27 of the Building Code of New York State . [M]

Related Code Sections


306.5 General Regulations, Appliances on Roofs or Elevated Structures
Where appliances requiring access are installed on roofs or elevated structures at a height exceeding 16 feet (4877 mm), such access shall ...
2010 Fuel Gas Code of NY > 3 General Regulations > 306 Access and Service Space > 306.5 Appliances on Roofs or Elevated Structures
306.5 General Regulations, Equipment and Appliances on Roofs or Elevated Structures
Where equipment requiring access or appliances are located on an elevated structure or the roof of a building such that personnel will have to climb ...
Fuel Gas Code 2015 of New York State > 3 General Regulations > 306 (IFGC) Access and Service Space > 306.5 Equipment and Appliances on Roofs or Elevated Structures
306.5 General Regulations, Equipment and Appliances on Roofs or Elevated Structures
Where equipment and appliances requiring access are installed on roofs or elevated structures at a height exceeding 16 feet (4877 mm), such access ...
2010 Mechanical Code of NY > 3 General Regulations > 306 Access and Service Space > 306.5 Equipment and Appliances on Roofs or Elevated Structures
306.5 General Regulations, Equipment and Appliances on Roofs or Elevated Structures
Where equipment requiring access or appliances are located on an elevated structure or the roof of a building such that personnel will have to climb ...
2020 Fuel Gas Code of NYS > 3 General Regulations > 306 Access and Service Space > 306.5 Equipment and Appliances on Roofs or Elevated Structures
306.5 General Regulations, Equipment and Appliances on Roofs or Elevated Structures
Where equipment requiring access or appliances are located on an elevated structure or the roof of a building such that personnel will have ...
2020 Mechanical Code of NYS > 3 General Regulations > 306 Access and Service Space > 306.5 Equipment and Appliances on Roofs or Elevated Structures
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