HO
Deck House (OCIMF acronym)
Hold
A compartment below deck in a large vessel, used solely for carrying cargo
HO
A compartment below deck in a large vessel, used solely for carrying cargo
Holiday
HOLIDAY shall mean a Day other than the normal weekly Day(s) of rest, or part thereof, when by local law or practice work during what would otherwise be ordinary working hours is not normally carried out.
Homogeneous Cargo
Cargo of the same quality or nature which can be potentially intermingled without contamination to one or the other.
Homopolymer
When a polymer is derived from a single monomer then all the repeating units along its chain are the same and it is described as a homopolymer. Copolymer is made from two monomers.
Hopper Barge
A barge which loads material dumped into it by a dredger and discharges the cargo through the bot- tom.
Hopper Barge, non propelled
A bottom discharging or split hull barge.
Hopper, Motor
A self propelled vessel equipped to carry material and discharge it at sea through the bottom of the vessel, either by bottom doors or a split hull
Hopper/Bucket Dredger
A vessel equipped to obtain material from the sea bed by use of circulating buckets. The material may be carried on board and discharged elsewhere through the bottom of the vessel, either by bottom doors or a split hull, or delivered to other vessels, pum
Hopper/Dredger (unspecified)
A vessel equipped to obtain material from the sea bed by an unspecified means. The material may be carried on board and discharged elsewhere through the bottom of the vessel, either by bottom doors or a split hull, or delivered to other vessels, pumped as
Hopper/Grab Dredger
A vessel equipped to obtain material from the sea bed by use of a grab or backhoe. The material may be carried on board and discharged elsewhere through the bottom of the vessel, either by bottom doors or a split hull, or delivered to other vessels, pumpe
Hopper/Suction Dredger
A vessel equipped to obtain material from the sea bed by use of a suction pipe. The material may be carried on board and discharged elsewhere through the bottom of the vessel, either by bottom doors or a split hull, or delivered to other vessels, pumped a
Hospital Vessel
A vessel equipped to serve as a hospital
Hospital Vessel, Naval Auxiliary
A naval auxiliary vessel adapted as a hospital ship
Hot zone
Area immediately surrounding a dangerous goods incident which extends far enough to prevent adverse effects from released dangerous goods to personnel outside the zone. This zone is also referred to as exclusion zone or restricted zone in other documents.
House–to–House
See Door–to–Door.
House–to–Pier
Cargo loaded into a container by the shipper under shipper’s supervision. When the cargo is exported, it is unloaded at the foreign pier destination.
Houseboat
A barge or converted vessel that is stationary and used as a dwelling
HP
Horse Power or High Pressure
HPV
High Production Volume chemical, defined by the European Chemicals Bureau as a chemical being produced or imported in quantity of at least 1000 tonnes per year in EU by at least one Industry.
HPV Programme
A global initiative launched by the global chemical industry to demonstrate to regulators and the general public the feasibility of timely risk assessments of High Production Volume chemicals.
HR
Hydraulic aggregate room (OCIMF acronym)
HR
Hellenic Register or Here or Hour
HRDS
Hampton Roads (New York)
HRS
Hellenic Register of Shipping
HSD
Half Shelter Decker or High Speed Diesel
HSE
Health, Safety and Environment
HSFO
High sulphur fuel oil
HSO
Guide to Helicopter/Ship Operations (ICS)
HSPA
Hydrocarbon Solvent Producers Association, a sector group of the Association of Petrochemicals Producers in Europe (APPE).
HSS
Heavy grains, Soyabeans and sorghums
HTUTC
Half Time Used To Count
Huey Test
Corrosion test in a boiling solution of nitric acid. This test is mainly used to detect the susceptibility to intergranular corrosion of stainless steel
Hull
Shell or body of a vessel not including other components such as deck, mast, cabin, keel or rigging.
Humping
The process of connecting a moving rail car with a motionless rail car within a rail classification yard in order to make up a train. The cars move by gravity from an incline or “hump” onto the appropriate track.
HVF
Heavy fuel or Heavy viscosity fueloil
HVPQ
Harmonized Vessel Particulars Questionnaire. Description data format utilised by the OCIMF SIRE system.
HWDW
Heavy, handy, dead weight
HWLTHC
Height waterline to top hatch
HWONT
High Water On Ordinary Neap Tides
HWOST
High Water On Ordinary Spring Tides
Hydrocarbon
A molecule composed entirely of carbon and hydrogen atoms. The industry usually includes sulfur and metals compounds which naturally occur in crude oil in casual uses of the word. Gasoline blending and marketing rely on the strict [Definition] to exclude oxygen-containing substances such as alcohols and ethers.
Hydrocarbon
An organic compound that consists exclusively of the elements carbon and hydrogen. Generally, the term hydrocarbon is used for the chemicals that are derived from natural gas, oil and coal.
Hydrocarbons
Compounds composed of hydrogen and carbon atoms that release chemical energy when burned, providing an excellent and sought after fuel source.
Hydrocrackate
Naphtha-range product of a hydrocracking unit. Many refineries divide this stream into a light cut suitable for motor gasoline blending and a heavy one which makes excellent reformer feedstock.
Hydrocracker
Refinery units which use a catalyst and extraordinary high pressure, in the presence of surplus hydrogen, to shorten molecules. This process can crack a variety of hydrocarbons. It might change atmospheric gasoil to naphtha or reduce naphtha to LPG. In most cases, though, refiners use it to convert vacuum gasoil to high quality middle distillate. In periods of strong motor gasoline demand, high severity operations can emphasize production of naphtha, called hydrocrackate, instead of diesel and kerosene.
Hydrodealkylation (HDA)
substitution of hydrogen for a hydrocarbon group in a molecule. Refiners most frequently apply the term to processing units which turn toluene into benzene.
Hydrogenation
Each double bond in an unsaturated fatty acid chain can react with two hydrogen atoms to become saturated. The chemical reaction is known as hydrogenation and is achieved by reacting the oil with gaseous hydrogen at elevated temperature and pressure in the presence of a catalyst. Hydrogenation of oils and fats is often referred to as ""hardening"".
Hydrolysis
The initial process used to obtain fatty acids from fats and oils is hydrolysis, resulting in mixed fatty acids and dilute glycerine. Purification of the mixed fatty acids is accomplished by distillation or by separation into individual fatty acids of different chain lengths by fractional distillation.
Hydroskimmer
A refinery more complex than a topping plant by virtue of having a reformer. That piece of equipment, in addition to making high octane motor gasoline blendstock, yields hydrogen. Even a fairly basic refinery can often use that by-product to improve the quality of its products. Hydroskimmers do not have cracking units.
Hydrotreating
Purification process which uses hydrogen to displace sulfur and metal contaminents from partially refined oil. The process also reduces olefins and aromatics concentrations by saturating multiple bonds. Such clean-up work prepares process intermediates for upgrading units and blend stocks for specification fuel pools.
I.M.C.
Lloyd''s Machinery Certificate
I.W.L.
Institute Warranty Limits
I.W.L. or IWL
Institute Warranty Limits
I/A
Independent Action: The right of a conference member to publish a rate of tariff rule that departs from the Agreement’s common rate or rule.
I/O
In and/or over (stowage of cargo under or on deck) or Instead Of
IACS
International Association of Classification Societies. An association of major classification societies whose principal goal is the improvement of standards of safety at sea.
IAMSAR
International and Aeronautical Search and Rescue Manual (IMO)
IAPH
International Association of Ports and Harbors
IARC
International Agency for Research on Cancer
IATA
International Air Transport Association
IB.
Ibidem (in the same place)
IBA
Isobutyl Alcohol = Isobutanol
IBC
Intermediate bulk carrier or International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk (IMO)
IBC Code
International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk
IBNR
Incurred but not reported
IBP
Initial boiling point of a mixture of liquids
IBP
Initial boiling point.
IC&C
Invoice cost and charges
ICC
International Chamber of Commerce or International Chamber of Shipping or Institute of Chartered Shipbrokers or Institute Cargo Clause or Interstate Commerce Commision
ICCA
International Council of Chemical Associations
ICD
Inland clearance depot
Icebreaker
A vessel specifically constructed to clear a passage through ice for other vessels. Typically has a high power rating, strengthening and a specially designed bow
Icebreaker/Research
An icebreaker additionally fitted with laboratories for research
ICES
International Council for the Exploration of the Sea
ICHCA
International Cargo Handling Co-ordination Association
ICS
Incident Command System. An organized approach to control and manage operations at an emergency incident. The OSHA Hazardous Waste Operations and Emergency Response regulations (29 CFR 1910.120(q)(3)(ii)) require that an ICS be implemented by the senior emergency response official on the scene. See Appendix C, Section 6, of the OSHA rule for more information on ICS.
