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Two sources of power to ensure continuous operation shall be provided for control, monitoring and alarm systems, and
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(a) where electrical power is used,
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(i) the systems shall be served by at least two exclusive circuits fed directly from the main switchboard, and one of the circuits shall be supplied through the emergency switchboard, where fitted, and these circuits shall not supply power for any other machinery, and
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[...]
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(c) where hydraulic power is used, these sources shall be separate from any other hydraulic service requirements and each hydraulic pump shall be separately supplied with power.
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