� Unless approved for use in flammable atmosphere , portable radios , Walkman , portable CD players , calculators , cameras , cell phones and radio pagers must not be used on a tanker deck or areas where flammable gases may be present .
� During medium and high frequency radio transmission , significant energy is radiated which can induce an electrical potential capable of producing a spark , in unearthed receivers within 500mtr range from transmitting antennae . In case antennae insulators have a surface coating of salt , dirt or water , high or medium frequency transmission can cause arcing . Low energy transmissions such as satellite communication or use of UHF / VHF communication is not considered dangerous .
� All stays , cranes , derricks and fittings must be earthed . � During cargo loading / transfer / discharge , cargo tank washing , cargo tank purging operations ,
MF-HF transceiver to be switched off . � Properly sited radars do not present any ignition hazard on board a vessel but use of ship ’ s 10 cm radar is capable of including an electrical potential into nearby conductors ashore .
4 . Ship ’ s Galley
SMOKING IS STRICTLY FORBIDDEN IN SHIP ’ S GALLEY .
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Once vessel leaves port for sea , the cooking range battens are to be use at all times . Electrical power to any hot plate not in use must be switched off . No cloth or paper should be stowed above a cooking range as it can be ignited easily through carelessness .
Good housekeeping is of utmost importance . Used boxes , bags , paper , food leftovers should be placed in covered noncombustible refuse bins .
Hoods , filters and ductwork for cooking rangers to be thoroughly cleaned every week and no oil / grease accumulation allowed in and around hot plates .
A deep fryer can be a source of both heat and fuel for a galley fire .
The fryer should be fixed in a location and must never be left unattended while it is operating . Fryer basket should never be filled so full that grease splatters and overflows .