PART XXX SHAFTS, HOISTS AND CONVEYANCES — Staging or equipment suspended in shaft
610
(1) An employer shall not use or permit the use of open hooks in conjunction with the suspension of a staging, working platform or equipment in a shaft.
610(2)
Where a worker is required to be on or below a staging or work platform suspended in a shaft, or where the staging or work platform is being moved, the employer shall ensure that a means of support is used in addition to the means of suspension.
Not legal advice. Verify the cited article against the signed agreement.