250(1)An employer shall ensure that exposed parts of permanently installed horizontal shafting within 2.1 m of a floor, walkway or work area are guarded with
(a)
casings completely enclosing the shafting,
(b)
casings in the form of a trough enclosing either the top and both sides or the bottom and both sides of the shafting as the location requires, or
(c)
railings that are placed not less than 300 mm nor more than 500 mm from any moving part.
250(2)An employer shall ensure that exposed parts of permanently installed vertical shafting within 2.1 m of a floor, walkway or work area are enclosed with stationary casings.
250(3)An employer shall ensure that the ends of shafts which project more than half the diameter of the shaft are guarded by non-rotating caps or safety sleeves.