WAC 296-78-795
Crane cages. (1) Safe means of escape shall
be provided for operators of all cranes in all operating
locations. Rope ladders shall not be used as a regular means of
access but may be installed as an emergency escape device to be
used in the event of fire, mechanical breakdown or other
emergency.
(2) The operator's cage shall be located at a place from
which signals can be clearly distinguishable, and shall be
securely fastened in a place and well braced to minimize
vibration. It shall be large enough to allow ample room for the
control equipment and the operator. The operator shall not be
required to step over an open space of more than eighteen inches
when entering the cage.
(3) Cab operated cranes shall be equipped with a portable
fire extinguisher which meets the requirements of WAC 296-24-590
through 296-24-59007 and WAC 296-800-300.
(4) In establishments where continuous loud noises prevail
such as caused by the operation of pneumatic tools, steam
exhausts from boilers, etc., adequate signals shall be installed
on cranes or one or more employees shall be placed on the floor
for each crane operated to give warning to other employees of the
approach of a crane with a load. Where there are more than two
cranes on the same runway or within the same building structure,
signaling devices are required to give warning to other employees
of the approach of a crane with a load.
(5) Cages of cranes subjected to heat from below shall be of
noncombustible construction and shall have a steel plate shield
not less than one-eighth inch thick, placed not less than six
inches below the bottom of the floor of the cage.
(6) Outside crane cages shall be enclosed. There shall be
windows on three sides of the cage. The windows in the front and
the side opposite the door shall be the full width of the cage.
(7) The floor of the cage on out-door cranes shall be
extended to form an entrance landing which shall be equipped with
a handrail and toeboard constructed to the specifications of WAC 296-78-790 of this chapter.
(8) A copy of the rules for operators shall be permanently
posted in the cages of all cage-operated cranes.
[Statutory Authority: RCW 49.17.010, [49.17].040, and[49.17].050
. 01-11-038, § 296-78-795, filed 5/9/01, effective
9/1/01. Statutory Authority: RCW 49.17.040, 49.17.050 and 49.17.240. 81-18-029 (Order 81-21), § 296-78-795, filed
8/27/81.]