56(1)An employer shall ensure that unconsolidated bulk material that is stockpiled is
(a)
regularly inspected for hazardous conditions, and
(b)
found to be in a safe condition before an employee is permitted to work close to or on top of the pile.
56(2)Where unconsolidated bulk material is stockpiled and removed by means of powered mobile equipment, an employer shall ensure that
(a)
the working face of the unconsolidated bulk material is sloped at an angle of repose, or
(b)
the vertical height of the working face of the unconsolidated bulk material is not more than 1.5 m above the maximum reach of the equipment.
56(3)Where the face of unconsolidated bulk material that is stockpiled is undermined by means of powered mobile equipment, an employer and any employee who undermines the material shall each ensure that the undermining
(a)
is restricted to the depth of the bucket of the powered mobile equipment, and
(b)
is permitted only when the approach by the operator of the powered mobile equipment is at a ninety degree angle to the face of the material.