(IV-7-3) General Safety
(IV-7-3) General Safety
(IV-7-3) General Safety
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Rules <strong>IV</strong> Industrial Services<br />
Part 7 Offshore Technology<br />
Chapter 3 <strong>General</strong> <strong>Safety</strong><br />
Section 2<br />
Marking Platform<br />
In the event of a mains failure, the supply shall switch automatically to the emergency battery.<br />
B.8 A charger is to be assigned exclusively to meet the needs of the battery. Failure of the charger<br />
and switch-over to the battery shall be indicated at the switchboard and in the station control system.<br />
B.9 Where the signalling devices are switched on and off automatically, e.g. by photo-electric<br />
switches, remote control, radio signals or visibility sensors, the switchboard is to be provided with a manual/automatic<br />
selector switch. The operating mode at any time shall be indicated and controlled by the<br />
station control system.<br />
B.10 Additionally to the above requirements concerning marine navigational aids, also the installation<br />
of aviation obstruction lights shall be considered in case of elevated structures above a helicopter<br />
landing deck on the substation. Applicable rules and standards (e.g. ICAO, CAP437, etc.) as well as applicable<br />
national regulations shall be observed. For details refer also to GL Rules for Electrical Equipment<br />
(<strong>IV</strong>-7-5).<br />
B.11 Requirements for tests and type approvals of such marking equipment may be considered.<br />
Please note, that the local authorities may have the requirements for type approval of the Substation and<br />
Wind Farm marking equipment as well as for initial and/or periodical inspections of these items.<br />
Edition 2013 Germanischer Lloyd Page 2–2
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