11/5 Specific Hazards : Roof Obstructions Flashcards
No person shall install or maintain any _____ on any building roof, parapet wall, in such a manner as to obstruct Fire Department access or egress, or cause a hazardous condition in the event of fire or other emergency.
wire, barbed wire, razor ribbon, fence, cable, aerial, antenna, or other obstruction
Exceptions to roof obstructions:
Guy wires, rods, aerial or antenna masts may be attached to a roof structure having a slope of less than ____ provided there is full clearance of ____ between the roof and said obstruction.
30 degrees / seven feet or more
Exceptions to roof obstructions:
Guy wires or rods required to support aerial or antenna masts may be attached to a roof structure a lateral distance from the mast not in excess of ____ the height of the mast.
one-sixth
Exceptions to roof obstructions:
Buildings may use _____, etc., for security if a utility pole provides unwarranted roof access.
reasonable fencing
No person shall obstruct required access passageways on ____.
flat roof surface
An unobstructed passageway for use by the Fire Department shall be provided through or around any _____ the roof surface.
approved structures or equipment installations on
One access passageway shall be provided for every _____, or fraction thereof, of roof surface. Passageways shall be at least ____ and have at least ____ of overhead clearance.
50-feet length / three-feet wide / seven feet
Raise (Television antenna/ clothes line) to provide ____ above the roof line. Applies to building with penthouse or with a roof slope of less than _____.
seven feet clearance / 30 degrees
Remove all (cable, wires, rope) from roof which are not at least ____ above the roof. (Cables, wire) for television antennae may be connected to the roof a lateral distance from the mast not in excess of ____ the height of the mast.
seven feet / one-sixth
