Operator protection 23.21 An employer must ensure that the operator of a crane or hoist is
protected from any falling material or equipment.
Workplace Safety And Health Regulation
219
TOWER CRANES
Tower crane requirements 23.22(1) An employer must ensure that the foundation for a tower crane is
designed and certified by a professional engineer.
23.22(2) An employer must ensure that a tower crane is equipped with the
following devices located at the operator’s work position in clear
view of the operator:
(a) a permanent load gauge that indicates the weight of the load
being hoisted and immediately displays that weight to the
operator;
(b) a wind velocity gauge to measure the wind velocity at or above
the height of the jib.
23.22(3) An employer must ensure that a tower crane is equipped with the
following safety devices:
(a) an overload device consisting of a hoist overload switch that
automatically restricts the lift of the load;
(b) a travel limit device consisting of a movement overload switch
that automatically restricts the radius within which the load can
travel;
(c) a height limit switch that automatically prevents the cable from
being over wound on the drum;
(d) a trolley travel limit device consisting of a trolley-in and a
trolley-out limit switch that prevents the trolley from running to
the end of its track and falling off.
23.22(4) An employer must ensure that the safety devices set out in
subsection (3) are adjusted and set in accordance with the
manufacturer’s specifications and have their limit switches sealed.
Means of verbal communication 23.23 An employer must
(a) provide, install and maintain a direct means of verbal
communication between a tower crane operator and each hook-
up, rigger or signal person; and
(b) provide a direct means of verbal communication between
the operators of two or more tower cranes with overlapping
radiuses.
