PART XIV CRANES, HOISTS AND OTHER LIFTING EQUIPMENT — Supporting surface
336
(1) A mobile crane or boom truck shall only be used on a surface capable of supporting the equipment and a hoisted load without failure.
336(2)
Where a crane or hoist is used adjacent to an excavation, slope or backfilled area, a qualified person shall determine the location for the equipment for hoisting operations.
Not legal advice. Verify the cited article against the signed agreement.