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What are regulation for testing of Winch Brake of Launching Appliances ?

The winch brakes of a launching appliance shall be of sufficient strength to withstand : 

  1. A static test with a proof load of not less than 1.5 times the working load; and 
  2. A dynamic test with a proof load of not less than 1.1 time the working load at maximum lowering speed. 

Points to pounder:

  • A launching mechanism shall be so arranged that it may be actuated by one person from a position on the ship’s deck, and from a position within the survival craft or rescue boat. 
  • The survival craft shall be visible to the person on deck operating the launching mechanism. On lifeboats intended for free fall launching the launching mechanism shall be actuated by one person only from a position within such lifeboat. 
  • Every launching appliance shall be so constructed that a minimum amount of routine maintenance is necessary.  All parts requiring regular maintenance by the ship’s crew shall be readily accessible and easily maintained
  • The launching appliance and its attachments other than winch brakes shall be of sufficient strength to withstand a static test with a proof load of not less than 2.2 times the working load.
  • Every launching appliance shall, as far as practicable remain effective under conditions of icing.
  • A life boat launching appliance shall be capable of recovering the life boat with its crew. 
  • Every launching appliance shall be so arranged to enable safe and rapid boarding of survival craft by the full complement of persons it is certified to carry.  In case of lifeboats, rapid disembarkation shall also be possible. 
  • On cargo ships launching appliance shall be so arranged that full complement of persons, the survival craft is certified to carry is able to board such survival craft in not more than 3 minutes.

manish-mayank

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