Acts and Regulations

91-191 - General

Section 342
Disposition versions

Full text
Deep diving
342(1)This section applies to a deep diving operation.
342(2)An employer shall ensure that a minimum crew of five is present for each diving operation consisting of
(a) a diving supervisor,
(b) two divers, one of whom is a stand-by diver, and,
(c) two tenders.
342(3)An employer shall ensure that there are a sufficient number of competent persons to operate
(a) the diving plant and equipment and other facilities while a diver is under, entering or leaving the water, and
(b) any hyperbaric chamber required and its associated equipment.
342(4)When more than one deep diving operation in a twenty-four hour period is planned, an employer shall ensure that there are a sufficient number of divers and stand-by divers to ensure that a diver or stand-by diver about to commence a dive has not been exposed to abnormal external pressure on the body for the twelve hour period before the dive.
342(5)An employer shall ensure that at least two divers are used when diving from a closed bell, one of whom shall be the stand-by diver and who shall tend the diver from the bell.
342(6)An employer shall ensure that a Class A (double-lock) hyperbaric chamber in operable condition is on site for all deep diving operations.
342(7)An employer shall ensure that an open diving bell, submersible compression chamber or lock-out submersible is provided and used for the transport of the diver to the underwater work area whenever pressure dives exceed the following limits:
Bottom Time
Depth
60  minutes
55-68 m
40  minutes
69-75 m
30  minutes
76-90 m
342(8)A diving supervisor shall ensure that a submersible compression chamber or lock-out submersible capable of mating to a Class A (double-lock type) hyperbaric chamber for the transfer of personnel under pressure is used where the bottom time and depth exceeds the limits given in subsection (7) or the depth is in excess of 90 m.
342(9)An employer and a diving supervisor shall each ensure that diving activities are not carried out at water depths greater than 55 m unless
(a) a diver is transported through the air-water interface by a suitable submersible compression chamber, open diving bell or stage,
(b) the stand-by diver referred to in subsection (2) is located at the surface or in the stage,
(c) all divers and stand-by divers are in voice communication with each other and with the attendants at the diving station, and
(d) the attendants at the diving station have a means of monitoring the depth of the diver and the pressures of the breathing medium being supplied to each diver and stand-by diver.
342(10)Where bounce or non-saturation diving techniques are used, an employer and a diving supervisor shall each ensure that no diver remains submerged for a total period of time in excess of three hours in a twenty-four hour period and that there is a rest period of at least twelve continuous hours after this limit is reached.
342(11)Where saturation diving techniques are used, an employer and a diving supervisor shall each ensure that
(a) where the dive is to a depth of 150 m or less, no diver exceeds four hours in the water and four hours as attendant in the submersible compression chamber,
(b) where the dive is deeper than 150 m, no diver exceeds three hours in the water and three hours as attendant in the submersible compression chamber, and
(c) in any twenty-four hour period, there is a rest period of at least twelve continuous hours after the time limit specified in subsection (a) or (b) is reached.
342(12)A diving supervisor shall ensure that no diver commences another dive within fourteen days after completion of decompression after a saturation dive unless with the approval of a medical practitioner.
342(13)A diving supervisor shall ensure that a diver
(a) is tethered to the work base by a breathing mixture umbilical,
(b) is provided with effective two-way voice communication, and
(c) is tended by
(i) a tender on the surface,
(ii) a tender in a submersible chamber or stage if one is used in the diving operation, or
(iii) another diver in the water who is connected to the diver and is tended.
342(14)Where a submersible compression chamber is used, a diving supervisor shall ensure that at least one diver remains in the chamber to monitor a diver who has left the chamber.
97-121; 2010-159; 2022-27
Deep diving
342(1)This section applies to a deep diving operation.
342(2)An employer shall ensure that a minimum crew of five is present for each diving operation consisting of
(a) a diving supervisor,
(b) two divers, one of whom is a stand-by diver, and,
(c) two tenders.
342(3)An employer shall ensure that there are a sufficient number of competent persons to operate
(a) the diving plant and equipment and other facilities while a diver is under, entering or leaving the water, and
(b) any hyperbaric chamber required and its associated equipment.
342(4)When more than one deep diving operation in a twenty-four hour period is planned, an employer shall ensure that there are a sufficient number of divers and stand-by divers to ensure that a diver or stand-by diver about to commence a dive has not been exposed to abnormal external pressure on the body for the twelve hour period before the dive.
342(5)An employer shall ensure that at least two divers are used when diving from a closed bell, one of whom shall be the stand-by diver and who shall tend the diver from the bell.
342(6)An employer shall ensure that a Class A (double-lock) hyperbaric chamber in operable condition is on site for all deep diving operations.
342(7)An employer shall ensure that an open diving bell, submersible compression chamber or lock-out submersible is provided and used for the transport of the diver to the underwater work site whenever pressure dives exceed the following limits:
Bottom Time
Depth
60  minutes
55-68 m
40  minutes
69-75 m
30  minutes
76-90 m
342(8)A diving supervisor shall ensure that a submersible compression chamber or lock-out submersible capable of mating to a Class A (double-lock type) hyperbaric chamber for the transfer of personnel under pressure is used where the bottom time and depth exceeds the limits given in subsection (7) or the depth is in excess of 90 m.
342(9)An employer and a diving supervisor shall each ensure that diving activities are not carried out at water depths greater than 55 m unless
(a) a diver is transported through the air-water interface by a suitable submersible compression chamber, open diving bell or stage,
(b) the stand-by diver referred to in subsection (2) is located at the surface or in the stage,
(c) all divers and stand-by divers are in voice communication with each other and with the attendants at the diving station, and
(d) the attendants at the diving station have a means of monitoring the depth of the diver and the pressures of the breathing medium being supplied to each diver and stand-by diver.
342(10)Where bounce or non-saturation diving techniques are used, an employer and a diving supervisor shall each ensure that no diver remains submerged for a total period of time in excess of three hours in a twenty-four hour period and that there is a rest period of at least twelve continuous hours after this limit is reached.
342(11)Where saturation diving techniques are used, an employer and a diving supervisor shall each ensure that
(a) where the dive is to a depth of 150 m or less, no diver exceeds four hours in the water and four hours as attendant in the submersible compression chamber,
(b) where the dive is deeper than 150 m, no diver exceeds three hours in the water and three hours as attendant in the submersible compression chamber, and
(c) in any twenty-four hour period, there is a rest period of at least twelve continuous hours after the time limit specified in subsection (a) or (b) is reached.
342(12)A diving supervisor shall ensure that no diver commences another dive within fourteen days after completion of decompression after a saturation dive unless with the approval of a medical practitioner.
342(13)A diving supervisor shall ensure that a diver
(a) is tethered to the work base by a breathing mixture umbilical,
(b) is provided with effective two-way voice communication, and
(c) is tended by
(i) a tender on the surface,
(ii) a tender in a submersible chamber or stage if one is used in the diving operation, or
(iii) another diver in the water who is connected to the diver and is tended.
342(14)Where a submersible compression chamber is used, a diving supervisor shall ensure that at least one diver remains in the chamber to monitor a diver who has left the chamber.
97-121; 2010-159
Deep diving
342(1)This section applies to a deep diving operation.
342(2)An employer shall ensure that a minimum crew of five is present for each diving operation consisting of
(a) a diving supervisor,
(b) two divers, one of whom is a stand-by diver, and,
(c) two tenders.
342(3)An employer shall ensure that there are a sufficient number of competent persons to operate
(a) the diving plant and equipment and other facilities while a diver is under, entering or leaving the water, and
(b) any hyperbaric chamber required and its associated equipment.
342(4)When more than one deep diving operation in a twenty-four hour period is planned, an employer shall ensure that there are a sufficient number of divers and stand-by divers to ensure that a diver or stand-by diver about to commence a dive has not been exposed to abnormal external pressure on the body for the twelve hour period before the dive.
342(5)An employer shall ensure that at least two divers are used when diving from a closed bell, one of whom shall be the stand-by diver and who shall tend the diver from the bell.
342(6)An employer shall ensure that a Class A (double-lock) hyperbaric chamber in operable condition is on site for all deep diving operations.
342(7)An employer shall ensure that an open diving bell, submersible compression chamber or lock-out submersible is provided and used for the transport of the diver to the underwater work site whenever pressure dives exceed the following limits:
Bottom Time
Depth
60  minutes
55-68 m
40  minutes
69-75 m
30  minutes
76-90 m
342(8)A diving supervisor shall ensure that a submersible compression chamber or lock-out submersible capable of mating to a Class A (double-lock type) hyperbaric chamber for the transfer of personnel under pressure is used where the bottom time and depth exceeds the limits given in subsection (7) or the depth is in excess of 90 m.
342(9)An employer and a diving supervisor shall each ensure that diving activities are not carried out at water depths greater than 55 m unless
(a) a diver is transported through the air-water interface by a suitable submersible compression chamber, open diving bell or stage,
(b) the stand-by diver referred to in subsection (2) is located at the surface or in the stage,
(c) all divers and stand-by divers are in voice communication with each other and with the attendants at the diving station, and
(d) the attendants at the diving station have a means of monitoring the depth of the diver and the pressures of the breathing medium being supplied to each diver and stand-by diver.
342(10)Where bounce or non-saturation diving techniques are used, an employer and a diving supervisor shall each ensure that no diver remains submerged for a total period of time in excess of three hours in a twenty-four hour period and that there is a rest period of at least twelve continuous hours after this limit is reached.
342(11)Where saturation diving techniques are used, an employer and a diving supervisor shall each ensure that
(a) where the dive is to a depth of 150 m or less, no diver exceeds four hours in the water and four hours as attendant in the submersible compression chamber,
(b) where the dive is deeper than 150 m, no diver exceeds three hours in the water and three hours as attendant in the submersible compression chamber, and
(c) in any twenty-four hour period, there is a rest period of at least twelve continuous hours after the time limit specified in subsection (a) or (b) is reached.
342(12)A diving supervisor shall ensure that no diver commences another dive within fourteen days after completion of decompression after a saturation dive unless with the approval of a medical practitioner.
342(13)A diving supervisor shall ensure that a diver
(a) is tethered to the work base by a breathing mixture umbilical,
(b) is provided with effective two-way voice communication, and
(c) is tended by
(i) a tender on the surface,
(ii) a tender in a submersible chamber or stage if one is used in the diving operation, or
(iii) another diver in the water who is connected to the diver and is tended.
342(14)Where a submersible compression chamber is used, a diving supervisor shall ensure that at least one diver remains in the chamber to monitor a diver who has left the chamber.
97-121; 2010-159
Deep diving
342(1)This section applies to a deep diving operation.
342(2)An employer shall ensure that a minimum crew of five is present for each diving operation consisting of
(a) a diving supervisor,
(b) two divers, one of whom is a stand-by diver, and,
(c) two tenders.
342(3)An employer shall ensure that there are a sufficient number of competent persons to operate
(a) the diving plant and equipment and other facilities while a diver is under, entering or leaving the water, and
(b) any hyperbaric chamber required and its associated equipment.
342(4)When more than one deep diving operation in a twenty-four hour period is planned, an employer shall ensure that there are a sufficient number of divers and stand-by divers to ensure that a diver or stand-by diver about to commence a dive has not been exposed to abnormal external pressure on the body for the twelve hour period before the dive.
342(5)An employer shall ensure that at least two divers are used when diving from a closed bell, one of whom shall be the stand-by diver and who shall tend the diver from the bell.
342(6)An employer shall ensure that a Class A (double-lock) hyperbaric chamber in operable condition is on site for all deep diving operations.
342(7)An employer shall ensure that an open diving bell, submersible compression chamber or lock-out submersible is provided and used for the transport of the diver to the underwater work site whenever pressure dives exceed the following limits:
Bottom Time
Depth
60  minutes
55-68 m
40  minutes
69-75 m
30  minutes
76-90 m
342(8)A diving supervisor shall ensure that a submersible compression chamber or lock-out submersible capable of mating to a Class A (double-lock type) hyperbaric chamber for the transfer of personnel under pressure is used where the bottom time and depth exceeds the limits given in subsection (7) or the depth is in excess of 90 m.
342(9)An employer and a diving supervisor shall each ensure that diving activities are not carried out at water depths greater than 55 m unless
(a) a diver is transported through the air-water interface by a suitable submersible compression chamber, open diving bell or stage,
(b) the stand-by diver referred to in subsection (2) is located at the surface or in the stage,
(c) all divers and stand-by divers are in voice communication with each other and with the attendants at the diving station, and
(d) the attendants at the diving station have a means of monitoring the depth of the diver and the pressures of the breathing medium being supplied to each diver and stand-by diver.
342(10)Where bounce or non-saturation diving techniques are used, an employer and a diving supervisor shall each ensure that no diver remains submerged for a total period of time in excess of three hours in a twenty-four hour period and that there is a rest period of at least twelve continuous hours after this limit is reached.
342(11)Where saturation diving techniques are used, an employer and a diving supervisor shall each ensure that
(a) where the dive is to a depth of 150 m or less, no diver exceeds four hours in the water and four hours as attendant in the submersible compression chamber,
(b) where the dive is deeper than 150 m, no diver exceeds three hours in the water and three hours as attendant in the submersible compression chamber, and
(c) in any twenty-four hour period, there is a rest period of at least twelve continuous hours after the time limit specified in subsection (a) or (b) is reached.
342(12)A diving supervisor shall ensure that no diver commences another dive within fourteen days after completion of decompression after a saturation dive unless with the approval of a medical practitioner.
342(13)A diving supervisor shall ensure that a diver
(a) is tethered to the work base by a breathing mixture umbilical,
(b) is provided with effective two-way voice communication, and
(c) is tended by
(i) a tender on the surface,
(ii) a tender in a submersible chamber or stage if one is used in the diving operation, or
(iii) another diver in the water who is connected to the diver and is tended.
342(14)Where a submersible compression chamber is used, a diving supervisor shall ensure that at least one diver remains in the chamber to monitor a diver who has left the chamber.
97-121