Precautions during repairs or renovations

2.6.1.10. (1) No work on ducts involving the use of hot work equipment shall be performed unless

(a) the system has been shut down,

(b) the duct has been cleaned of any accumulations of combustible deposits, and

(c) any combustible lining and covering material that could be ignited by the work has been removed.

2.6.1.11. Precautions shall be taken, where necessary, to ensure that there is no damage to fuel supply piping or equipment that would result in fuel leakage or a fire hazard during renovations or excavations.

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