1015.5 Screen porches.

Porches and decks that are enclosed with insect screening shall be provided with guards where the walking surface is located more than 30 inches (762 mm) above the floor or grade below.

1015.6 Mechanical equipment, systems and devices .

Guards shall be provided where various components that require service are located within 10 feet (3048 mm) of a roof edge or open side of a walking surface and such edge or open side is located more than 30 inches (762 mm) above the floor, roof or grade below. The guard shall extend not less than 30 inches (762 mm) beyond each end of such components. The guard shall be constructed so as to prevent the passage of a sphere 21 inches (533.4 mm) in diameter.

1015.7 Roof access.

Guards shall be provided where the roof hatch opening is located within 10 feet (3048 mm) of a roof edge or open side of a walking surface and such edge or open side is located more than 30 inches (762 mm) above the floor, roof or grade below. The guard shall be constructed so as to prevent the passage of a sphere 21 inches (533.4 mm) in diameter.

1015.8 Window sills in Group R-3 occupancies.

In one- and two-family dwellings, where the opening of the sill portion of an operable window is located more than 72 inches (1828.8 mm) above the finished grade or other surface below, the lowest part of the clear opening of the window shall be at a height not less than 36 inches (914.4 mm) above the finished floor surface of the room in which the window is located. Glazing between the floor and a height of 36 inches (914.4 mm) shall be fixed or have openings through which a 4-inch (101.6 mm) diameter sphere cannot pass.

   Exception: Openings that are provided with window guards that comply with ASTM F 2090.

1015.9 Windows and openings in Group R-2 occupancies.

Windows and openings that do not allow passageway onto grade, balcony, terrace, setback, roof or other walking surfaces in Group R-2 occupancies shall be subject to the applicable requirements of the New York City Department of Health and Mental Hygiene with regard to window guards.

Section BC 1016: Exit Access

1016.1 General.

The exit access shall comply with the applicable provisions of Sections 1003 through 1015. Exit access arrangement shall comply with Sections 1016 through 1021.