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Heavy Weather Ballast (HWB- is referring to a loading condition where the designated HWB tank(s), or any other cargo tank is filled for the purpose of increasing the draught of the vessel.
The Master is ultimately responsible for the decision to fill HWB into any cargo tank
The Chief Officer is responsible for proper planning of any [...]
Posts Tagged ‘berth’
HEAVY WEATHER BALLAST
Posted by author on June 12th, 2008
Posted in Ships Safety Procedure 
Tags: accessible places, accurate position, anchorage, ballast water, berth, cargo tank, contamination, copious quantities, crew members, crude oil, dangerous goods, discharge port, emergency treatment, extreme caution, face shields, heavy weather, hwb, ingestion, liquid cargo, oil spill, open waters, ordination, persistent oil, personnel protection, port request, protective clothing, protective equipment, rcc, request permission, resistant material, safety aspects, safety guide, shippers, shoal waters, skin absorption, solvent nature, suitable footwear, tank pressure, tank vents, tanker safety, weather conditions, work clothes 
2 Comments »Restoring Stability
Posted by author on June 12th, 2008
Intact Stability – the condition of the vessel in respect to controlled trim and list during cargo operation.
Unstable Condition – a condition that occur as a result of uncontrolled and/or unknown filling of a cargo and/or ballast tank during cargo operation. Such condition is considered to have occur if the vessel suddenly develop a list [...]
Posted in Cargo Handling Systems Tags: actual condition, ballast tank, berth, bunker tank, cargo operations, cargo loading, corrective actions, deck officer, deck officers, discrepancy, extreme caution, failure, free surface, moorings, sequence of operation, slack, stability criteria, surface effect, tank levels, tank valves, uneven distribution, unstable condition, void space No Comments »Unberthing the ship in an emergency
Posted by author on June 4th, 2008
It is apparent that the ship may be required to leave he berth to prevent damage to itself or to the pier and that time at which it leaves may be dictated by the limits on the use of tugs and work boats and not by mooring line load or ship movement. It must be [...]
Posted in Mooring Tags: berth, jeopardy, maneuver, mooring line, ship_master, ship_movement, tugs, work_boats No Comments »LIMITATIONS ON USE OF TUGS AND BOATS
Posted by author on June 4th, 2008
Tugs can perform a very useful function in holding the ships against the berth in order to reduce the strain on moorings. However extra care should be exercised when high horsepower tugs are engaged to keep the tanker alongside the jetty. The application of excessive power could result in over compression of the fenders and [...]
Posted in Mooring Tags: 5m, berth, boats, buoys, dolphins, efficiency, excessive power, extra care, extreme conditions, fenders, horsepower, jetty, mooring boats, mooring lines, motions, ships, tug, tugs, vlcc, wave height, waves No Comments »Ship Mooring Management
Posted by author on June 4th, 2008
Good mooring management requires knowledge of good mooring principles, information about the mooring equipment installed in the ship and proper maintenance of this equipment and good seamanlike tending.
Officers in charge of a line tending and personnel assigned to tend lines should be aware of the capabilities of the equipment installed on their ship. Specification should [...]
Posted in Mooring Tags: berth, breast, elasticity, error line, excessive movement, hand wheel, load distribution, mooring equipment, mooring lines, objective, pretension, proper direction, proper maintenance, ship movement, slack lines, spring line, spring lines, stern lines, sudden change, torque No Comments »
