CHIEF ENGINEER Unit 10 Code of Safe Working Practice Q2 Answer

  1. With reference to the Code of Safe Working Practices for Merchant Seafarers guidance on dangerous (enclosed) spaces:
    (a) list FOUR examples of a dangerous (enclosed) space;(4)
    outline the requirements to be satisfied before entering a dangerous (enclosed) space.(6)

(a) FOUR examples of a dangerous (enclosed) space (4)

  1. Cargo tanks (oil, chemical or bulk carriers).
  2. Double bottoms or ballast tanks.
  3. Fuel or lubricating oil tanks.
  4. Chain lockers or pump rooms.

(Other acceptable answers: cofferdams, void spaces, sewage tanks, cargo holds when closed).

(b) Requirements to be satisfied before entering a dangerous (enclosed) space (6)

  1. Risk assessment carried out and Permit to Work issued by a responsible officer.
  2. Space thoroughly ventilated to ensure removal of dangerous gases and supply of oxygen.
  3. Atmosphere tested and confirmed safe (oxygen content adequate; toxic and flammable gases below safe limits).
  4. Rescue and emergency arrangements in place, including a trained standby person outside.
  5. Personnel equipped with appropriate PPE (including breathing apparatus if atmosphere may deteriorate).
  6. Continuous communication maintained between personnel inside the space and those on standby outside.