Glossary
Browse the IADC Lexicon alphabetically or by category. Get comprehensive definitions of drilling industry terms.
Pipe-Line Works
Definition(s)
Pipe-Line Works
“pipe-line works” means works of any of the following kinds, namely—- assembling or placing a pipe-line or length of pipe-line;
- inspecting, testing, maintaining, adjusting, repairing, altering or renewing a pipe-line or length of pipe-line;
- changing the position of or dismantling or removing a pipe-line or length of pipe-line;
- opening the bed of the sea for the purposes of works mentioned in paragraphs (a) to (c), tunnelling or boring for those purposes and other works needed for or incidental to those purposes;
- works for the purpose of determining whether a place is suitable as part of the site of a proposed pipe-line and the carrying out of surveying operations for the purpose of settling the route of a proposed pipe-line.1
Active Substance
Definition(s)
Active Substance
“Active Substance” means a substance or organism, including a virus or a fungus, that has a general or specific action on or against Harmful Aquatic Organisms and Pathogens. Source: International Convention for the Control and Management of Ships’ Ballast Water and Sediments, 2004. LegislationActive Substances
Active Substances - means a substance or organism, including a virus or a fungus that has a general or specific action on or against Harmful Aquatic Organisms and Pathogens. Source: Resolution MEPC.174(58), revised Guidelines for approval of ballast water management systems (G8), 10 October 2008, International Maritime Organization. Regulatory Guidance Source: Resolution MEPC.169(57), revised Procedure for approval of ballast water management systems that make use of Active Substances (G9), 4 April 2008, International Maritime Organization. Regulatory Guidance Source: Resolution MEPC.140(54), Guidelines for approval and oversight of prototype ballast water treatment technology programmes (G10), 24 March 2006, International Maritime Organization. Regulatory GuidanceFrom The Nearest Land
Definition(s)
From the nearest land
“From the nearest land” means from the baseline from which the territorial sea of the territory in question is established in accordance with international law except that, for the purposes of the Convention, “from the nearest land” off the north-eastern coast of Australia shall mean from a line drawn from a point on the coast of Australia in latitude 11°00´ S, longitude 142°08´ E to a point in latitude 10°35´ S, longitude 141°55´ E thence to a point latitude 10°00´ S, longitude 142°00´ E thence to a point latitude 9°10´ S, longitude 143°52´ E thence to a point latitude 9°00´ S, longitude 144°30´ E thence to a point latitude 10°41´ S, longitude 145°00´ E thence to a point latitude 13°00´ S, longitude 145°00´ E thence to a point latitude 15°00´ S, longitude 146°00´ E thence to a point latitude 17°30´ S, longitude 147°00´ E thence to a point latitude 21°00´ S, longitude 152°55´ E thence to a point latitude 24°30´ S, longitude 154°00´ E thence to a point on the coast of Australia in latitude 24°42´ S, longitude 153°15´ E. Source: International Convention for the Control and Management of Ships’ Ballast Water and Sediments, 2004. Legislation Source: Resolution MEPC.201(62), amendments to the Annex of the Protocol of 1978 relating to the International Convention for the Prevention of Pollution from Ships, 1973 (Revised MARPOL Annex V), 15 July 2011, International Maritime Organization. LegislationMajor Conversion
Definition(s)
Major Conversion
“Major conversion” means a conversion of a ship: 1. which changes its ballast water carrying capacity by 15 percent or greater, or 2. which changes the ship type, or 3. which, in the opinion of the Administration, is projected to prolong its life by ten years or more, or 4. which results in modifications to its ballast water system other than component replacement-in-kind. Conversion of a ship to meet the provisions of regulation D-1 shall not be deemed to constitute a major conversion for the purpose of this Annex. Source: International Convention for the Control and Management of Ships’ Ballast Water and Sediments, 2004, LegislationConstructed
Definition(s)
Constructed
“Constructed” in respect of a ship means a stage of construction where: 1. the keel is laid; or 2. construction identifiable with the specific ship begins; 3. assembly of the ship has commenced comprising at least 50 tonnes or 1 percent of the estimated mass of all structural material, whichever is less; or 4. the ship undergoes a major conversion. Source: International Convention for the Control and Management of Ships’ Ballast Water and Sediments, 2004, LegislationBallast Water Capacity
Definition(s)
Ballast Water Capacity
“Ballast Water Capacity” means the total volumetric capacity of any tanks, spaces or compartments on a ship used for carrying, loading or discharging Ballast Water, including any multi-use tank, space or compartment designed to allow carriage of Ballast Water. Source: International Convention for the Control and Management of Ships’ Ballast Water and Sediments, 2004. LegislationSediments
Definition(s)
Sediments
Sediment is insoluble particles in the foam concentrate. Source: IMO MSC.1/Circ.1312, Revised Guidelines for the performance and testing criteria, and surveys of foam concentrates for fixed fire-extinguishing systems, 10 June 2009, International Maritime Organization. Regulatory GuidanceSediments
“Sediments” means matter settled out of Ballast Water within a ship. Source: International Convention for the Control and Management of Ships’ Ballast Water and Sediments, 2004. LegislationHarmful Aquatic Organisms and Pathogens
Definition(s)
Harmful Aquatic Organisms and Pathogens
“Harmful Aquatic Organisms and Pathogens” means aquatic organisms or pathogens which, if introduced into the sea including estuaries, or into fresh water courses, may create hazards to the environment, human health, property or resources, impair biological diversity or interfere with other legitimate uses of such areas. Source: International Convention for the Control and Management of Ships’ Ballast Water and Sediments, 2004, LegislationConvention
Definition(s)
Convention
“Convention” means the International Convention for the Control and Management of Ships’ Ballast Water and Sediments. Source: International Convention for the Control and Management of Ships’ Ballast Water and Sediments, 2004. Legislation Source: Source: Resolution MEPC.140(54), Guidelines for approval and oversight of prototype ballast water treatment technology programmes (G10), 24 March 2006, International Maritime Organization. Regulatory Guidance Source: Resolution MEPC.174(58), revised Guidelines for approval of ballast water management systems (G8), 10 October 2008, International Maritime Organization. Regulatory GuidanceConvention
Convention – the International Convention for the Prevention of Pollution from Ships 1973/1978 (MARPOL 73/78). Source: Resolution MEPC.159(55), Revised Guidelines on Implementation of Effluent Standards and Performance Tests for Sewage Treatment Plants, 13 October 2006, International Maritime Organization. Regulatory GuidanceConvention
Convention means the International Convention for the Safety of Life at Sea, 1974, as amended. Source: IMO Resolution MSC.98(73), Adoption of the International Code for Fire Safety Systems (FSS Code), 5 December 2000, International Maritime Organization. Regulatory Guidance. Source: IMO resolution MSC.98(73), The International Code for Fire Safety Systems, 5 December 2000, International Maritime Organization. Regulatory Guidance Source: IMO Resolution MSC.104(73), amendments to the International Management Code for the Safe Operation of Ships and for Pollution Prevention (International Safety Management (ISM) Code), 5 December 2000, International Maritime Organization. Legislation Source: IMO Resolution MSC.307(88), International Code for Application of Fire Test Procedures, 2010 (2010 FTP Code), 3 December 2010, International Maritime Organization. Regulatory Guidance Source: IMO Resolution MSC.48(66), adoption of the International Life-Saving Appliance (LSA) Code, 4 June 1996, International Maritime Organization. LegislationBallast Water Management
Definition(s)
Ballast Water Management
“Ballast Water Management” means mechanical, physical, chemical, and biological processes, either singularly or in combination, to remove, render harmless, or avoid the uptake or discharge of Harmful Aquatic Organisms and Pathogens within Ballast Water and Sediments. Source: International Convention for the Control and Management of Ships’ Ballast Water and Sediments, 2004. LegislationBallast Water
Definition(s)
Ballast Water
“Ballast Water” means water with its suspended matter taken on board a ship to control trim, list, draught, stability or stresses of the ship. Source: International Convention for the Control and Management of Ships’ Ballast Water and Sediments, 2004. LegislationBallast Water
Ballast water is water used to maintain the stability of an offshore facility. In typical practice, ballast water is segregated from ship’s bilge and should not be contaminated with oil. Source: Offshore Waste Treatment Guidelines, The Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada-Nova Scotia Offshore Petroleum Board, and National Energy Board, Canada, December 15, 2010. Regulatory GuidanceState of the Ship’s Registry
Definition(s)
State of the Ship's Registry
"State of the ship's registry" means, in relation to a registered ship, the State of registration of the ship and, in relation to an unregistered ship, the State whose flag the ship is entitled to fly. Source: International Convention on Civil Liability for Bunker Oil Pollution Damage, 2001. LegislationPollution Damage
Definition(s)
Pollution Damage
"Pollution damage" means:- loss or damage caused outside the ship by contamination resulting from the escape or discharge of bunker oil from the ship, wherever such escape or discharge may occur, provided that compensation for impairment of the environment other than loss of profit from such impairment shall be limited to costs of reasonable measures of reinstatement actually undertaken or to be undertaken; and
- the costs of preventive measures and further loss or damage caused by preventive measures.