- With reference to the periodical dry-docking of a vessel:
(a) state FIVE items of information that may be obtained from a docking plan;(5)
(b) state FIVE services that must be made available in order to maintain the safety of the vessel.(5)
(a) Five items of information obtained from a docking plan (5 marks)
A docking plan is a scale drawing provided to the dry dock authorities to ensure the vessel is docked safely. It contains details such as:
- Keel profile and position of keel blocks – to ensure correct support.
- Position of bilge keels and other projections – to prevent damage during docking.
- Location of sea chests, overboard discharges, and intakes – to allow access for inspection and maintenance.
- Shafting and propeller position – for alignment, repair, or replacement.
- Hydrostatic data (draughts, displacement, trim limits) – to guide safe docking and undocking operations.
(b) Five services required for vessel safety during dry-docking (5 marks)
- Firefighting facilities – hoses, hydrants, extinguishers available in dock area.
- Pumping arrangements – adequate bilge and fire pumps in case of flooding.
- Lighting and ventilation – safe access to confined spaces and machinery.
- Emergency power/communications – to maintain contact between ship and dock staff.
- Access and escape routes – safe gangways, ladders, and lifelines for crew and workers.
(Other acceptable answers: fresh water supply, compressed air, oily water reception facilities, waste disposal, medical services.)