116. An employer shall—

(a) take suitable and sufficient steps to prevent, so far as is reasonably practicable, the fall of any material or object where necessary to prevent injury to any employee,

(b) where it is not practicable to prevent the fall of any material or object as referred to in paragraph (a), take suitable and sufficient steps to prevent any person being struck by any falling material or object that is liable to cause injury,

(c) ensure that no material or object is thrown or tipped from height in circumstances where it is liable to cause injury to any person, and

(d) ensure that materials and objects are stored in such a way as to prevent risk to any employee arising from the collapse, overturning or unintended movement of the materials or objects.