Emergency Electrical Power - Group 5

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S1.6 Emergency Electrical Power in Ships of Group 5

S1.6.1 Subject to subsection S1.6.7 every ship of Group 5 shall have an emergency power source for the following services:

1. for a period of three hours the emergency lighting for:
   1. launching stations and stowage position of survival craft;
   2. the ships sides at launching stations;
   3. all alleyways;
   4. stairways and exits;
   5. machinery spaces including tunnels and conveyor drive areas in self-unloaders;
   6. navigating bridge;
   7. radio room/station;
   8. at the stowage position(s) for firemen's outfits;
2. for a period of three hours the alarm and communication systems as follows:
   1. general alarm system;
   2. public address system; and
   3. fire detection and its alarm system;
   4. the ship's radio station, if the vessel is equipped with an emergency generator.
3. for a period of three (3) hours the alternate system of navigation lights or task lights required to be fitted on the vessel in accordance with the Collision Regulations, in which the source of power shall be in accordance with either paragraph S1.6.2 (a) or (b) or S1.6.3

S1.6.2 The emergency source of electrical power may be either:

1. a generator driven by a suitable prime mover with an independent fuel supply using fuel having a flashpoint of not less than 43° C and equipped with a starting arrangement in accordance with Part 1 Section 1 (1.6 to 1.10) of this standard; or
2. storage batteries capable of carrying the emergency load without recharging or excessive voltage drop.
3. the emergency sources of electrical power referred to in Section S1.6.2 (a) and (b) and all associated electrical equipment with that emergency source shall be located above the uppermost continuous deck and not contiguous to the boundaries of machinery spaces of Category A, accessible from the open deck; and not forward of the collision bulkhead;

S1.6.3 The emergency power required for the items referred to in subsection S1.6.1 (b) and (c) may each be supplied from individual floated batteries for each system, provided the capacity is sufficient to operate the equipment for a period of time not less than three (3) hours.

S1.6.4 The emergency lighting referred to in paragraph S1.6.1 (a) may be supplied by rechargeable or non-rechargeable portable or semi-portable battery operated lanterns.

S1.6.5 In ships with non-rechargeable battery-operated hand lanterns, the batteries for the lanterns shall be replaced with new batteries annually.

S1.6.6 The emergency power source and the complete emergency installation shall be tested annually, and in the case of non-rechargeable battery-operated hand lanterns, for a period of five minutes after the batteries have been replaced.

S1.6.7 Small ships certificated to operate only between sunrise and sunset are not required to be provided with emergency lighting or equipment as required by subsection S1.6.1.

S1.7 Emergency Electrical Power in Ships of Group 5A

S1.7.1 Every ship of Group 5A shall have an emergency power source for the following services:

1. for a period of three (3) hours the emergency lighting for:
   1. launching stations and stowage position of survival craft;
   2. the ships sides at launching stations;
   3. all alleyways;
   4. stairways and exits;
   5. machinery spaces;
   6. navigating bridge;
   7. radio room/station;
   8. at the stowage position(s) for firemen's outfits;
   9. in enclosed fish handling and processing spaces;
2. for a period of three (3) hours the alarm and communication systems as follows:
   1. general alarm system where fitted;
   2. public address system where fitted;
   3. fire detection system and its alarm system where fitted; and
   4. the ship's radio station, if the vessel is equipped with an emergency generator.
3. for a period of three (3) hours the alternate system of navigation lights or task lights required to be fitted on the vessel in accordance with the Collision Regulations, in which the source of power shall be in accordance with either paragraph S1.7.2 or S1.7.3.

S1.7.2 The emergency source of electrical power may be either:

1. a generator driven by a suitable prime-mover with an independent fuel supply using fuel having a flashpoint of not less than 43° C and equipped with a starting arrangement in accordance with Part 1 Section 1 (1.6 to 1.10) of this standard; or
2. storage batteries capable of carrying the emergency load without recharging or excessive voltage drop.
3. the emergency sources of electrical power referred to in Section S1.7.2 (a) and (b) and all associated electrical equipment with that emergency source shall be located above the uppermost continuous deck and not contiguous to the boundaries of machinery spaces of Category A, accessible from the open deck; and not forward of the collision bulkhead;

S1.7.3 The emergency power required for the items referred to in subsection S1.7.1 (b) and (c) may each be supplied from individual floated batteries for each system, provided the capacity is sufficient to operate the equipment for a period of time not less than three (3) hours.

S1.7.4 The emergency lighting referred to in paragraph S1.7.1 (a) may be supplied or supplemented by rechargeable or non-rechargeable portable or semi-portable battery operated lanterns.

S1.7.5 In ships with non-rechargeable battery operated hand lanterns; the batteries for the lanterns shall be replaced with new batteries annually.

S1.7.6 The emergency power source and the complete emergency installation shall be tested annually, and in the case of non-rechargeable battery operated hand lanterns, for a period of five minutes after the batteries have been replaced.

S1.8 Emergency Electrical Power In Ships of Group 5B

S 1.8.1 Every ship of Group 5B which has a ship's service electrical system of 50 volts or over, shall have an emergency electrical power source for the following services:

1. for a period of three (3) hours the emergency lighting for:
   1. launching stations and stowage positions of survival craft;
   2. the ships sides at launching stations;
   3. all alleyways;
   4. stairways and exits;
   5. machinery spaces;
   6. navigating bridge;
   7. radio room/station;
   8. in enclosed fish handling and processing spaces;
2. for a period of three (3) hours the alarm and communication systems as follows:
   1. general alarm system if fitted;
   2. public address system if fitted;
   3. fire detection system and its alarm system if fitted; and
   4. the ship's radio station, if the vessel is equipped with an emergency generator.
3. for a period of three (3) hours the alternate system of navigation lights or task lights required to be fitted on the vessel in accordance with the Collision Regulations, in which the source of power shall be in accordance with either paragraph S1.8.2 (a) or (b) or S1.8.3

S1.8.2 The emergency source of electrical power may be either:

1. a generator driven by a suitable prime-mover with an independent fuel supply having a flashpoint of not less than 43° C and equipped with a starting arrangement in accordance with Part 1 Section 1 (1.6 to 1.10) of this standard; or
2. storage batteries capable of carrying the emergency load without recharging or excessive voltage drop.
3. the emergency sources of electrical power referred to in Section S1.8.2 (a) and (b) and all associated electrical equipment with that emergency source shall be located above the uppermost continuous deck and not contiguous to the boundaries of machinery spaces of Category A, accessible from the open deck; and not forward of the collision bulkhead;

S1.8.3 The emergency power required for the items referred to in subsection S1.8.1 (b) and (c) may each be supplied from individual floated batteries for each system, provided the capacity is sufficient to operate the equipment for a period of time not less than three (3) hours.

S1.8.4 The emergency lighting referred to in paragraph S1.8.1 (a) may be supplied or supplemented by rechargeable or non-rechargeable portable or semi-portable battery operated lanterns.

S1.8.5 In ships with non-rechargeable battery operated hand lanterns; the batteries for the lanterns shall be replaced with new batteries annually.

S1.8.6 The emergency power source and the complete emergency installation shall be tested annually, and in the case of non-rechargeable battery operated hand lanterns, for a period of five minutes after the batteries have been replaced.

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