A contractor must, in addition to compliance with the Driven Machinery Regulations, 1988 ensure that where tower cranes are used—
||they are designed and erected under the supervision of a competent person;
||a relevant risk assessment and method statement are developed and applied;
||the effects of wind forces on the crane are taken into consideration and that a wind speed device is fitted that provides the operator with an audible warning when the wind speed exceeds the design engineer's specification;
||the bases for the tower cranes and tracks for rail-mounted tower cranes are firm, level and secured;
||the tower crane operators are competent to carry out the work safely; and
||the tower crane operators have a medical certificate of fitness to work in such an environment, issued by an occupational health practitioner in the form of Annexure 3.