S-2.1, r. 13 - Regulation respecting occupational health and safety

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312.86. Diving near a submerged pipe intake or discharge or inside the pipe: When diving near a submerged pipe intake or discharge or inside the pipe or another submerged installation, such as a wasteway or wastewater spillway, the water flow must be completely controlled and the following safety standards must be complied with:
(1)  the dive team must consist of at least 4 divers, including 1 diver, 1 standby diver and 2 diver’s tenders, 1 of whom is the diving supervisor;
(2)  every pipe end must be located and the end where the dive is carried out must be clearly identified;
(3)  the power source or circuit of any machine or mechanism controlling the flow or that may represent a safety risk for the divers must be locked in accordance with subdivision 1.1 of Division XXI;
(4)  a diver may not enter a submerged pipe or other installation if its diameter is smaller than 1 m and turning inside is difficult; and
(5)  a diver may not proceed further than 100 m inside a submerged pipe or other installation.
O.C. 425-2010, s. 3; O.C. 1187-2015, s. 5.
312.86. Diving near a submerged pipe intake or discharge or inside the pipe: When diving near a submerged pipe intake or discharge or inside the pipe or another submerged installation, such as a wasteway or wastewater spillway, the water flow must be completely controlled and the following safety standards must be complied with:
(1)  the dive team must consist of at least 4 divers, including 1 diver, 1 standby diver and 2 diver’s tenders, 1 of whom is the diving supervisor;
(2)  every pipe end must be located and the end where the dive is carried out must be clearly identified;
(3)  the power source or circuit of any machine or mechanism controlling the flow or that may represent a safety risk for the divers must be locked in accordance with section 185, except the reference that is made to section 186;
(4)  a diver may not enter a submerged pipe or other installation if its diameter is smaller than 1 m and turning inside is difficult; and
(5)  a diver may not proceed further than 100 m inside a submerged pipe or other installation.
O.C. 425-2010, s. 3.