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Abbreviations & Definitions
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(Working Day) Weather Permitting
(WORKING DAY) WEATHER PERMITTING shall have the same meaning as WEATHER WORKING DAY OF 24 CONSECUTIVE HOURS.
Weight (per 1000 kilos) or Winter (loadline)
W or WS
Water and feed
Weighing and Inspection
War and Marine
Water and rail
W/A or WAF
Water or With Average
West Asia gulf
Insurance coverage for loss of goods resulting from any act of war.
A place for the reception, delivery, consolidation, distribution, and storage of goods/cargo.
Document that identifies goods imported when placed in a bonded warehouse. The duty is not im- posed on the products while in the warehouse but will be collected when they are withdrawn for delivery or consumption.
Warehouse Withdrawal for Transportation (WDT)
Allows merchandise that has been withdrawn from a bonded warehouse at one port to be transported in bond to another port, where a superseding entry will be filed.
Warehouse Withdrawal for Transportation Exportation (WDT&E)
Allows merchandise that has been withdrawn from a bonded warehouse at one port to be transported in bond through the U.S. to be exported from another port, without paying duty.
Warehouse Withdrawal for Transportation Immediate Exportation (WDEX)
Allows merchandise that has been withdrawn from a bonded warehouse at one U.S. port to be exported from the same port exported without paying duty.
The storing of goods/cargo.
Area where personnel and equipment decontamination and hot zone support take place. It includes control points for the access corridor and thus assists in reducing the spread of contamination. Also referred to as the decontamination, contamination reduction, or limited access zone in other documents. (NFPA 472)
Warning Shot Across the Bow
From the literal practice of firing a warning shot across another ship’s bow to encourage the captain to strike without engaging.
The declaration given by an owner that action has or will be taken to ensure that his vessel complies with International, statutory, or company requirements. (It requires a degree of trust in its use - an owner found to have broken a warranty might gain
Weather Analysis Service Provider
Waste Disposal Vessel
A vessel equipped for the transportation, treatment and/or (now illegal) discharge at sea of waste material
Water Jet Dredger
A vessel equipped to inject water into settled sediment which then moves under the influence of gravity and/or density gradients
Water Jet Dredging Pontoon
A non propelled dredger pontoon equipped to inject water into settled sediment which then moves under the influence of gravity and/or density gradients
The ability of a liquid to mix fully with water and not separate
Water plane Coefficient
Ship Stability: p=Area of WP/(L*B)
A hydrocarbon mixture's tendency to hold water and other impurities in suspension. Aviation turbine fuel has specifications, including a water separation index, to avoid putting kerosene with this problem aboard aero planes.
A chemical that reacts with water to release a gas that is either flammable or presents a health hazard.
see WATER REACTION
Water spray (fog)
Method or way to apply or distribute water. The water is finely divided to provide for high heat absorption. Water spray patterns can range from about 10 to 90 degrees. Water spray streams can be used to extinguish or control the burning of a fire or to provide exposure protection for personnel, equipment, buildings, etc. (This method can be used to absorb vapors, knock-down vapors or disperse vapors. Direct a water spray (fog), rather than a straight (solid) stream, into the vapor cloud to accomplish any of the above). Water spray is particularly effective on fires of flammable liquids and volatile solids having flash points above 37.8°C (100°F). Regardless of the above, water spray can be used successfully on flammable liquids with low flash points. The effectiveness depends particularly on the method of application. With proper nozzles, even gasoline spill fires of some types have been extinguished when coordinated hose lines were used to sweep the flames off the surface of the liquid. Furthermore, water spray carefully applied has frequently been used with success in extinguishing fires involving flammable liquids with high flash points (or any viscous liquids) by causing frothing to occur only on the surface, and this foaming action blankets and extinguishes the fire. (See also straight stream) Designated areas at dangerous goods incidents, based on safety and the degree of hazard. Many terms are used to describe control zones; however, in this guidebook, these zones are defined as the hot, warm, and cold zones. (NFPA 472)
Water Tank Barge, non propelled
A non propelled tank barge for the carriage of water
A tanker for the bulk carriage of water
Water Tanker Barge, propelled
A self propelled tanker barge for the bulk carriage of water
Water Tanker, Inland Waterways
A tanker for the bulk carriage of water which is not suitable for trading in open waters
Water Tanker, Naval Auxiliary
A naval auxiliary vessel. Designed for the carriage of bulk water in tanks expressly for naval support
Water White Standard
Tank cleaning: Water White Standard means visually clean, dry and odour-free. Wall wash not required.
Substances which may produce flammable and/or toxic decomposition products upon contact with water.
Water-Soluble or Water-Miscible products
Tank Cleaning: Water-Soluble substances and water-miscible substances are easy to clean with water, and the solubility of the substances might increase at higher temperatures. The use of a cleaning agent is only advisable for reduction of the cleaning time.
A line painted on a hull which shows the point to which a ship sinks when it is properly trimmed
A mixture of long chain hydrocarbons that crystallize at different temperatures as the overall fluid temperature falls.
A synonym for paraffins content most frequently applied to catalytic cracker feedstocks. A high wax, or paraffins, content makes a residue of gasoil more susceptible to cracking.
Waxes are esters of fatty acids combined with long-chain alcohols. The fatty acids are usually straightchain, saturated or monunsaturated compounds containing up to thirty carbon atoms. The alcohols are usually saturated, long-chain primary alcohols. Wax esters are found in animal and insect secretions as protective coatings in leaves and fruits and in the fats of some marine animals.
Waxy paraffinic crude oil
A crude oil which, by function of its total wax content, requires heating to prevent sludge deposition during transportation and discharge.
Movement of a ship through water such as headway, sternway or leeway
Water Ballast or Waybill or Westbound
Water Ballast Tank
West Coast Africa
WCCOM or WICCON
Whether (in) customs cleared (clearance) or not
Whether Customs Cleared Or Not
Worst Case Discharge
Wind and Current Drag Coefficient Task Group
West Coast India
West Coast Mexico
West Coast of North America
West Coast South America
West Coast United Kingdom
West Coast United States
What Can You Offer
What Can You Propose
West Britain/East Ireland
Weapons Trials Vessel
A naval auxiliary vessel for testing and conducting trails on any weapon systems
The term used in voyage charter language to signify that laytime does not count when weather conditions do not allow cargo operations to be carried out.
Weather Working Day
WEATHER WORKING DAY shall mean a Working Day or part of a Working Day during which it is or, if the Vessel is still waiting for her turn, it would be possible to load/discharge the cargo without interruption due to the weather. If such interruption occurs (or would have occurred if work had been in progress), there shall be excluded from the Laytime a period calculated by reference to the ratio which the duration of the interruption bears to the time which would have or could have been worked but for the interruption.
Weather Working Day of 24 consecutive hours
WEATHER WORKING DAY OF 24 CONSECUTIVE HOURS shall mean a Working Day or part of a Working Day of 24 consecutive hours during which it is or, if the vessel is still waiting for her turn, it would be possible to load/discharge the cargo without interruption due to the weather. If such interruption occurs (or would have occurred if work had been in progress) there shall be excluded from the Laytime the period during which the weather interrupted or would have interrupted work.
Weather Working Day of 24 Hours
WEATHER WORKING DAY OF 24 HOURS shall mean a period of 24 hours made up of one or more Working Days during which it is or, if the Vessel is still waiting for her turn, it would be possible to load/discharge the cargo without interruption due to the weather. If such interruption occurs (or would have occurred if work had been in progress), there shall be excluded from Laytime the actual period of such interruption.
Whether entered customs clearance or not
Whether entered customs house or not
Whether entered (in) Customs of not
A cargo on which the transportation charge is assessed on the basis of weight.
Coal charter party
Also known as stack car. A drop–frame rail flat car.
Well Stimulation Vessel
A vessel primarily equipped to maximize oil production from a well
Physical product. The trade distinguishes material promptly available, wet barrels, from future or paper availabilities.
With following alterations
A vessel equipped for catching whales
A waterside structure, usually parallel to the waterway bank, at which a vessel may be berthed alongside from which cargo or passengers can be loaded or discharged. A pier or dock built on the shore of a harbor, river, or canal.
Working Hatch per Day
Wharfage: Charge assessed by a pier or dock owner against freight handled over the pier or dock or against a steamship company using the pier or dock.
World Health Organization
A distillation cut which spans the entire boiling range commonly designated as naphtha. This full-range product contains the fractions separable into light naphtha and heavy naphtha. Its initial boiling point can commonly fall between 90 and 100 F and its final boiling point extend as high as 400 F.
Wordscale hours, terms and conditions
Whether In Berth Or Not. Shall mean that if the designated loading or discharging Berth is not available on arrival, the Vessel on reaching any usual waiting place at the Port, shall be entitled to tender Notice of Readiness from it and Laytime shall commence in accordance with the Charter Party.
Whether in cargo clearance or not
Whether In Free Practique or Not
Wind Turbine Installation Vessel
A vessel equipped for the installation of wind turbines in shallow waters
Wind Turbine Installation Vessel (semi sub)
A semi submersible vessel equipped for the installation of wind turbines in shallow waters
Wind Turbine Vessel
A vessel fitted with wind turbines to generate electricity
A sudden unexpected rush of wind from a mountainous shore which allowed a ship more leeway.
Toward the direction from which the wind is coming
A freight booking made by a shipper or freight forwarder to reserve space but not actually having a specific cargo at the time the booking is made. Carriers often overbook a vessel by 10 to 20 percent in recognition that “windy booking” cargo will not actually ship.
A cargo ship designed for the bulk transport of Wine in tanks. Tanks will be stainless steel or lined. New vessels will be classified as chemical carriers
Wing In Ground Effect Vessel
A vessel designed to run at high speed using foils to create an air cushion raising the vessel just off the waters surface
usually acts as a retaining wall or as a support for an abutment.
Some crude edible oils, especially those obtained by solvent extraction, contain among their non-oil components traces of wax from the seed coat which tend to give the oil a cloudy appearance. In addition, some liquid oils have a small content of high melting glycerides. These components may be removed by slow chilling of the oil followed by filtration. This process is called ""winterisation"". After being subjected to winterisation, the oils should be able to pass the standard AOCS Cold Test.
Whether in Port Or Not. Shall mean that if the designated loading or discharging Berth and the usual waiting place at the Port are not available on arrival, the Vessel shall be entitled to tender Notice of Readiness from any recognised waiting place off the Port and Laytime shall commence in accordance with the Charter Party.
WITA or WT
A phrase preceding the signature of a drawer or endorser of a negotiable instrument; signifies that the instrument is passed onto subsequent holders without any liability to the endorser in the event of nonpayment or nondelivery.
within institute warrant limit
Waterline to top of hatch coaming
Water level to manifold
Water Line-To-Hatch Coaming
WM or W/M
Weight or Measurement: The basis for assessing freight charges. Also known as “worm.” The rate charged under W/M will be whichever produces the highest revenue between the weight of the shipment and the measure of the shipment. The comparison is based on the number of metric tons the cargo weights compared to the number of cubic meters of space the cargo measures. The prior English method was one long ton compared to forty cubic feet.
World Meterological Organisation
Winter North Atlantic (loadline)
Without Guarantee or With Other Goods
Wood Chips Carrier, self unloading
A single deck cargo vessel with high freeboard for the carriage of wood chips. May be self discharging
Work/Maintenance Pontoon, non propelled
A non propelled pontoon used for working or maintenance functions
A multi functional vessel for general work and repair operations
(Copy of Charter Party - not being signed and may contain unchecked errors
WORKING DAY shall mean a Day when by local law or practice work is normally carried out.
First introduced during World War II, and subsequently developed and refined, world scale is a system whereby a tanker can obtain the same net return per day at the same world scale percentage regardless of the voyage actually undertaken.
Worldwide Tanker Nominal Freight Scale. Worldscale Association, a shipping industry group, publishes a lengthy schedule of rates for popular tanker voyages. The printed figures, called World scale 100's, reflect application of tanker operating cost assumption to the ports and distancesteaming time on route. These “flat rates” appear in US dollars per ton of cargo. Shipowners and spot charterers usually negotiate the hire price of a tanker as percentage of Worldscale 100 for the voyage involved. They might fix at Worldscale 40 (WS 100 x2.00), or any other number dictated by size and kind of ship, market conditions, and negotiating skill.
Weather Permitting or Without Prejudice
With particular average
Weather Permitting Day
Warehouse Receipt or Without Responsibility
Wide Range Destillate
Wire Rods In Coils
War risk only
Without reference to date
Within Vessel's Natural Segregation
Worldscale Hours Terms and Conditions
Water Separation Index Modified. See WATER REACTION.
Weather And Safe Navigation Permitting
Wing tank (OCIMF acronym)
Wording to be agreed
West Terminal Forum
West Texas Intermediate - A type of crude oil which is normally referenced in Western reports on oil prices
Western Truck Lines.
World Trade Organization
Working time saved
Working time saved both ends
WTSBE or WTSBENDS
Working time saved both ends
Within vessels natural segregation
World Wide or Weather working
Worldwide and always within Institute Warranty Limits
Weather Working Day
Weather working days, Sundays and holidays excluded
Australian Waterside Workers Federation
When, Where, Ready
WIBON, WCCON, WIFPON, WIPON
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