Page 409 - statbility for masters and mates

Department of Transport Syllabuses 397
(d) Care and maintenance of all life saving and ®re ®ghting appliances, lights and sound signalling apparatus.
(e) The computation of areas by Simpson's First and Second Rules.
CLASS 4 CERTIFICATE OF COMPETENCY
Cargo Operations and Stability ± MSA/SQA
(a)
(b)
Use of displacement and tonnes per centimetre immersion scales to determine weight of cargo or ballast from draughts or freeboard. Load line-marks.
Buoyancy; Reserve buoyancy; understanding of fundamental actions to be taken in the event of partial loss of intact buoyancy.
CLASS 2
(i)
(ii) (iii)
General understanding with de®nitions of:
Centre of gravity, stable, unstable and neutral equilibrium. Centre of buoyancy
Metacentric height
Righting lever
Righting moment
The use of stability and hydrostatic data supplied to ships.
The effect of adding and removing weights.
The danger of slack tanks. Security of hatches.
Rigging a ship for loading and discharging cargo, the use of derricks, winches and cranes.
`Lining up' pipelines on oil products carriers.
The stowage, separation and dunnaging of cargoes including bulk cargoes, timber cargoes; grain cargoes, ro-ro cargoes.
Causes of sweating, and precautions to be taken before, during and after stowing to prevent damage by sweat.
A knowledge of the safety precautions to be taken during the loading and discharge of bulk oil, chemicals and other dangerous commodities, Calculations of weight capacities taken up by part cargoes and of space remaining.
Conversion of weight measurement of cargo into space measure- ment and vice versa.
The making and use of cargo plans.
Ventilation and systems of holds and tanks.
Precautions to be taken before entering cargo and ballast tanks and void spaces. The carriage of passengers and livestock.
CERTIFICATE OF COMPETENCY
Ship Construction ± BTEC/SQA/HND
(a) Types of ships. General ideas on strength and construction in relation to particular trades, including specialised carriers.