Paragraph 2 Power

(2.1)

Manned submersible craft shall be:—

(2.1.1)

provided with:

(a)

a source of power capable of maintaining normal services for a period adequate for the service envisaged and including the minimum life support requirements set out in paragraph 5 of this Schedule;

(b)

an emergency source of power capable of providing continuity of communications for the minimum life support requirements set out in paragraph 5 of this Schedule;

(2.1.2)

equipped with means of propulsion adequate for the service envisaged.

(2.2)

Where electrical power is used the craft shall be:—

(2.2.1)

fitted with equipment compatible with the special conditions pertaining to marine service. Where practicable, all equipment shall be continuously rated;

(2.2.2)

provided with adequate electrical protection;

(2.2.3)

fitted with an effective means of isolating all poles or phases from every circuit and sub-circuit as may be necessary to minimise shock hazard;

(2.2.4)

fitted with gas control safeguards, where applicable, on the compartments containing the power source;

(2.2.5)

equipped with a pressure compensation device for the power source if it is external to the pressure hull and is subjected to ambient sea pressure;

(2.2.6)

fitted with circuits which do not use hull return;

(2.2.7)

provided with an earth leakage measuring device.