What are Derricks test and survey ?

  • The cargo gear be thoroughly examined once every four years (Quadrennial Inspection)
  • All blocks, shackles, links, chains and wires examined for satisfactory condition.
  • Requirement that cargo-handling gear inspected once a year (Annual inspection).
  • union
  • Every Winch & its accessories
  • method  by weights & spring/hydraulic balance
  • Loose Gears whether accessories or not :
    • Test -Proof load as follows ;
    • Chain, ring, hook, shackle or swivel – 2 x SWL
    • Single sheave blocks – 4 x SWL
    • Multiple sheaves blocks :
  • SWL less than 20 tons – 2 x SWL
  • – SWL 20- 40 tons – SWL + 20T
  • – SWL over 40 tons – 1.5 x SWL

manish-mayank

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From Marine Enclyopedia to MARINE GYAAN ACADEMY in Lucknow - Preparing YOUTH to become SEAFARERS ( for IMU-CET and various courses) From Marine Enclyopedia to MARINE GYAAN ACADEMY in Lucknow - Preparing YOUTH to become SEAFARERS ( for IMU-CET and various courses) From Marine Enclyopedia to MARINE GYAAN ACADEMY in Lucknow - Preparing YOUTH to become SEAFARERS ( for IMU-CET and various courses) From Marine Enclyopedia to MARINE GYAAN ACADEMY in Lucknow - Preparing YOUTH to become SEAFARERS ( for IMU-CET and various courses)