Extended Operational and Trade Vocabulary
Ship Recycling, Hong Kong Convention, and Recycling Yards glossary
Vocabulary of ship recycling under the Hong Kong Convention: the recycling clusters at Alang, Aliaga and Chittagong, plot-owner associations, acetylene torch cutting and abandonment practices, EU-listed yard requirements, and the cash buyers and compliance-upgrade terminology governing the dismantling of end-of-life tonnage.
191 defined terms.
A
- Abandonment of ship
- Decision by the master to evacuate, typically by lifeboat, liferaft, or rescue craft.
- Acetylene torch cutting
- The primary thermal method used at most South Asian recycling yards to dismantle hull sections into manageable plates.
- Alang
- Village in Bhavnagar district, Gujarat, India, at the southern end of the Gulf of Khambhat, home to the world's largest ship recycling cluster spanning approximately 10 km of intertidal beach.
- Alang Ship Recycling Yards Association (ASSRYA)
- Industry body representing Alang plot holders, headquartered at Alang and engaged with GMB on HKC compliance and worker welfare.
- Aliaga
- Ship recycling region near Izmir, Turkey, operating the landing slipway method with HKC and EU-listed facilities.
- Alpha Marine Services
- Ship recycling and cash buyer historically active in the South Asian market.
- Annex I substances (IHM)
- Materials whose installation or use is prohibited or restricted under MARPOL and the Hong Kong Convention, including asbestos, PCBs, ODS, and TBT antifoulings.
- Annex II substances (IHM)
- Materials present onboard for which an inventory must be maintained because they pose hazards during recycling, such as cadmium, lead, mercury, and hexavalent chromium.
- Annex III substances (IHM)
- Operationally generated wastes and stores aboard a ship, listed in Part II of the IHM at the point of recycling readiness.
- Apollo Ship Breaking Yard
- A historically significant plot operator at Alang involved in cape and tanker dismantling.
- Approved Recycling Facility
- A yard authorized under EU SRR or by an Administration under the Hong Kong Convention to recycle ships flying eligible flags.
- Asbestos
- Fibrous silicate banned in new ship installations from 1 January 2011 under SOLAS II-1/3-5, listed in IHM Table A.
- Asbestos Containing Material ACM
- Insulation, gaskets, brake linings, and panels confirmed by lab analysis as containing asbestos.
- ASRY
- Arab Shipbuilding and Repair Yard in Sitra, Bahrain, established 1977 with four graving docks and four floating docks for VLCC and offshore work.
- Authorized Ship Recycling Facility ASRF
- Yard holding a current Document of Authorization to recycle ships DASR.
B
- Ballast water residues
- Sediments and biological matter that must be removed and managed before a vessel enters dry dock or beaching demolition.
- Bangladesh Ship Breakers and Recyclers Association BSBRA
- Industry association representing Chittagong recycling yards.
- Bangladesh Ship Recycling Act 2018
- The national legislation governing dismantling operations in Sitakunda, Chittagong, including occupational safety and waste handling provisions.
- Basel Action Network (BAN)
- A non-governmental organization that tracks transboundary shipments of hazardous waste, including end-of-life ships.
- Basel Ban Amendment
- Decision III/1 in force 5 December 2019 prohibiting hazardous waste exports from Annex VII to non-Annex VII parties.
- Basel Convention
- 1989 treaty on the Control of Transboundary Movements of Hazardous Wastes and Their Disposal, in force 5 May 1992.
- Beaching Method
- Ship recycling technique where the vessel is driven ashore at high tide for dismantling on intertidal flats.
- Best Oasis
- Cash buyer group active in the ship recycling market.
- Bhatiary
- A coastal area within Chattogram, Bangladesh, home to many of the country's recycling yards.
- Bhavnagar
- The Gujarat district that administratively contains the Alang ship recycling cluster.
- Block-cutting
- The secondary phase of dismantling where pre-cut hull sections are reduced to manageable steel plates ashore.
- Bunker tank cleaning
- Mandatory hot-work preparation step where residual fuel oil is removed and tanks gas-freed before cutting.
C
- Cash Buyer
- Intermediary that purchases ships outright for cash and resells to recycling yards.
- CECON Yard
- Historic facility name found in Alang plot registers.
- Certificate of Inventory of Hazardous Materials
- International certificate under HKC Regulation 5 and Appendix 3.
- Chattogram
- The Bangladeshi port city (formerly Chittagong) whose Sitakunda coast hosts the country's ship recycling industry.
- China National Ship Recycling Association (CNSA)
- Industry association historically representing Jiangyin Xiagang, Changjiang Ship Recycling, and other Yangtze-river yards.
- Chittagong Ship Breakers Association
- Earlier name commonly used for the BSBRA.
- ClassNK
- Nippon Kaiji Kyokai, Japanese classification society and IACS member, founded 1899.
- CMA CGM Recycling Policy
- The French container line's pledge to recycle owned vessels at EU-listed or Hong Kong Convention compliant yards.
- Competent Authority
- Government authority designated under HKC or Basel Convention to administer recycling rules.
- Compliant facility
- A yard that has been audited and certified against either the EU SRR or the Hong Kong Convention by a competent authority or recognized organization.
- Contaminated bilge water
- Oily water from machinery spaces that must be discharged to reception facilities before recycling begins.
- CSR (Continuous Synopsis Record)
- The SOLAS XI-1/5 document tracing a ship's history of flag, name, owner, and class, routinely verified during PSC inspections.
D
- Dalian Liaonan Ship Recycling
- A historically active Chinese yard located in Dalian, Liaoning Province.
- DASR
- The Document of Authorization to conduct Ship Recycling, issued by the recycling state competent authority under HKC Regulation 16.
- Decommissioning plan
- The owner's documented plan for taking a vessel out of service and transferring it to recycling.
- Deep-water alongside method
- Recycling at a permanent quay where the vessel remains afloat during dismantling, used in some Chinese and Turkish yards.
- Demolition lightweight (LDT)
- The light displacement tonnage figure used to price scrap value, expressing the steel weight of an empty ship.
- Devagiri Steel
- A plot operator name found in Alang yard registers.
- DNV (Det Norske Veritas)
- Norwegian classification society active in IHM verification and HKC SoC issuance to Aliaga and Alang facilities.
- Dredging waste at yards
- Sediments from access channels and beaching strips that must be managed as part of yard environmental plans.
- Dry-Dock Recycling
- Dismantling method conducted entirely within a dry dock with full containment.
E
- End-of-Life ship
- A vessel that has reached the end of its operational life and is intended for recycling, as defined under EU SRR Article 3.
- European List of approved ship recycling facilities
- The list of yards authorized to recycle ships flying EU Member State flags, maintained by the European Commission under Implementing Decisions.
- European Ship Recycling Regulation (EU SRR)
- Regulation (EU) No 1257/2013, which makes Hong Kong Convention type requirements binding on EU-flagged ships from 31 December 2018.
- Ezadeen incident
- A 2015 abandoned-ship case that highlighted the difficulties of regulating end-of-life ship transfers between flags.
- Ezra
- A plot operator name historically present at Alang.
F
- Final Survey for Recycling
- The pre-recycling survey verifying that the ship matches its IHM and is otherwise prepared for recycling, leading to issuance of the IRRC.
- First Asbestos Survey
- An onboard sampling and inventory survey targeted at identifying ACM throughout the vessel for Part I of the IHM.
- Flag State responsibilities
- Duties under the Hong Kong Convention to authorize ships, issue IHM and IRRC certificates, and notify Recycling States.
- Floating Production Storage and Offloading (FPSO)
- Oil/gas production unit.
- Free-fall lifeboats
- Onboard equipment that must be removed and demilitarized as part of the SRP scope of work.
G
- Gadani
- Pakistan ship recycling beach in Balochistan, about 50 km west of Karachi.
- Gas Free for Hot Work
- Status permitting cutting and welding in a designated space.
- General permit to recycle
- Authorization issued by the Administration in the recycling state confirming acceptance of a specific ship.
- GMS Inc
- Global Marketing Systems, cash-buyer headquartered in Cumberland, Maryland, with offices in Dubai, Singapore, Hamburg, and Shanghai; the largest cash-buyer by reported volume.
- GMS Leadership
- A program operated by GMS Inc., the cash buyer, classifying yards by audited compliance tiers (Green, Silver, Bronze) prior to wide HKC SoC adoption.
- Green Ship Recycling
- A general industry term for HKC and EU SRR aligned recycling that minimizes worker and environmental impacts.
- Greenpeace Ship Breaking campaign
- Early NGO awareness campaigning on conditions at South Asian yards in the 2000s.
- Gujarat Maritime Board (GMB)
- The state authority regulating Alang and Sosiya yards on behalf of the Government of Gujarat.
- Gujarat Pollution Control Board (GPCB)
- The state environmental regulator overseeing hazardous waste streams at Alang.
H
- Hazardous Waste (Management and Transboundary Movement) Rules
- India's national regulations implementing Basel Convention obligations and overlapping with ship recycling oversight.
- Hexavalent chromium
- An Annex II IHM substance found in some coatings and chrome plating onboard older ships.
- HKC
- Hong Kong International Convention for the Safe and Environmentally Sound Recycling of Ships, 2009.
- HKC Article 16 entry-into-force criteria
- The 24 month period after at least 15 States representing 40 percent of world merchant shipping by gross tonnage and an annual recycling volume of 3 percent of their combined merchant tonnage become…
- Hong Kong Convention 2009
- IMO International Convention for the Safe and Environmentally Sound Recycling of Ships, in force 26 June 2025.
- Hong Kong Convention Article 1
- Establishes the general obligation to give full and complete effect to the Convention to prevent, reduce, and minimize adverse effects of ship recycling.
- Hong Kong Convention Article 6
- Requires ships destined for recycling to carry only those activities incidental to delivery to the recycling facility, including the issuance of the IRRC.
- Hong Kong Convention Article 8
- Sets the survey scheme, including initial, renewal, additional, and final surveys leading to the IHM and IRRC certificates.
- Hong Kong Convention Article 9
- Governs the authorization of Ship Recycling Facilities by Recycling States.
- Hong Kong Convention Regulation 9
- Requires every ship to carry an Inventory of Hazardous Materials maintained throughout its operational life.
I
- ICS (International Chamber of Shipping)
- Trade association proposing market-based measures at IMO.
- IHM
- Inventory of Hazardous Materials required under HKC and EU SRR.
- IHM Part I
- Materials contained in ship structure and equipment.
- IHM Part II
- Operationally generated wastes.
- IHM Part III
- Stores on board at the time of recycling.
- IMO Resolution MEPC.196(62)
- 2011 Guidelines for the Development of the Inventory of Hazardous Materials.
- IMO Resolution MEPC.210(63)
- 2012 Guidelines for Safe and Environmentally Sound Ship Recycling.
- IMO Resolution MEPC.211(63)
- 2012 Guidelines for the Authorization of Ship Recycling Facilities.
- IMO Resolution MEPC.222(64)
- 2012 Guidelines for the Survey and Certification of Ships under the HKC.
- IMO Resolution MEPC.223(64)
- 2012 Guidelines for the Inspection of Ships under the HKC.
- IMO Resolution MEPC.379(80)
- 2023 Guidelines for the Development of the Inventory of Hazardous Materials, replacing MEPC.269(68).
- India Recycling of Ships Act 2019
- National law incorporating the Hong Kong Convention into Indian law and giving the Director General of Shipping primary oversight.
- Indian Register of Shipping (IRClass)
- IACS member classification society.
- Inspection by Recycling State
- Verification by port-state-like surveyors at the recycling facility to confirm SRP compliance.
- International Certificate on Inventory of Hazardous Materials (ICIHM)
- The flag state certificate confirming IHM compliance, issued for a maximum five-year term.
- International Labour Organization (ILO)
- UN agency whose 2003 Guidelines on Safety and Health in Shipbreaking remain a key worker-protection benchmark.
- International Maritime Organization (IMO)
- United Nations specialized agency that adopted the Salvage Convention 1989 and the Nairobi WRC.
- International Ready for Recycling Certificate IRRC
- HKC certificate issued after final survey and approval of the SRP.
- International Transport Workers' Federation (ITF)
- Global union federation including seafarers.
- Intertidal zone recycling
- The technique used at Alang, Gadani, and Chattogram where cutting takes place in the zone exposed at low tide.
- Isolation of energy sources
- Mandatory lockout, tagout, and de-energization of vessel systems before dismantling begins.
J
- Jiangyin Xiagang Changjiang Ship Breaking Plant
- A historically major Chinese recycler in Jiangsu Province that primarily handled domestic flag vessels.
- JNK Shipping
- A plot operator name historically associated with Alang.
- Joint venture cash buyer
- Arrangement where a cash buyer co-invests with a yard to secure a tonnage pipeline.
K
- K Line Recycling Policy
- Japanese line's policy directing owned tonnage to HKC compliant yards.
- Kabir Steel Re-Rolling Mills (KSRM) Group
- A major Bangladeshi industrial group active in steel re-rolling fed by ship recycling output in Chattogram.
- Kalthia Ship Breaking
- A plot operator at Alang associated with HKC SoC compliance work.
- Kavin Engineering
- A Yard operator name found in Alang lists.
- Kawasaki HI recycling guidance
- Owner-side recycling protocols associated with Japanese owner Kawasaki Kisen Kaisha (K Line).
L
- Land-based recycling
- A recycling method conducted on impermeable surfaces with full containment, recognized as the gold standard under the EU SRR.
- Landing Method
- A dismantling approach where the vessel is positioned on a sloped concrete or steel slipway, used at several European and Chinese yards.
- Lead acid batteries
- Onboard items requiring removal and proper handling under both Basel and HKC regimes.
- Leela Group
- A long-standing plot operator at Alang, operating multiple plots and an early adopter of HKC SoC.
- Liberia accession
- One of the two accessions (with Bangladesh) on 26 June 2023 that triggered the HKC's entry into force criteria.
- Lightweight tonnage (LDT)
- Standard pricing unit for recycling sales, denominated in long tons of steel.
- List of Hazardous Materials
- Synonym for IHM Part I.
- Lloyd's Register (LR)
- classification society founded 1760, IACS founding member, headquartered London.
- Long ton
- 2,240 lb, occasional unit in older charter parties.
M
- Maersk Responsible Ship Recycling Standard (RSRS)
- A.P. Moller Maersk's owner-specific standard committing to HKC alignment and exceeding it in certain areas, applied initially at upgraded Alang yards.
- MARPOL
- International Convention for the Prevention of Pollution from Ships, 1973, as modified by the 1978 and 1997 Protocols; the IMO treaty governing marine pollution across six annexes.
- MEPC
- Marine Environment Protection Committee.
- MEPC Guidelines on Inventory
- Collective term for MEPC.197(62), MEPC.269(68), and MEPC.379(80) on IHM development.
- Mercury
- Heavy metal listed in IHM Table A, found in switches, lamps, and thermometers.
- MGX
- Cash buyer brand operating in the South Asian ship recycling market.
- Mid-life IHM update
- The continuous maintenance obligation requiring shipowners to update Part I as installations change.
- Mooring lines disposal
- A specific waste stream covered in the SRP.
N
- NABL accredited laboratory
- An Indian-recognized lab analyzing onboard samples for IHM compilation.
- NACE coatings
- Industrial coatings whose constituents may be listed in IHM Part I if they contain controlled substances.
- NGO Shipbreaking Platform
- Brussels-based coalition advocating against beaching and for HKC and Basel compliance.
- NK Recycling Services
- Sub-brand under ClassNK for ship recycling certification.
- Notification of intention to recycle
- Owner's formal notice to its flag Administration that a ship is to be recycled.
O
- Ocean-going ship cut-off
- Under the HKC the Convention applies to ships of 500 GT and above engaged in international voyages.
- OECD-to-non-OECD ship movement
- Transboundary movement scrutinized under the Basel Ban Amendment regime.
- Owner's Statement of Compliance
- Shipowner declaration accompanying delivery of the ship to the recycling facility.
- Ozone-Depleting Substances ODS
- Chlorofluorocarbons, halons, and HCFCs listed in IHM Table A.
P
- Pakistan Ship Breakers Association PSBA
- Industry body for Gadani recyclers.
- Pakistan Ship Recycling Bill
- Draft national legislation aimed at aligning Pakistan with HKC obligations.
- Part I (IHM)
- See IHM Part I.
- Part II (IHM)
- See IHM Part II.
- Part III (IHM)
- See IHM Part III.
- PCB (Polychlorinated Biphenyls)
- Listed in IHM Part I, found in older transformers, capacitors, and cable insulation; subject to special handling and disposal.
- Plot operator
- The specific commercial entity holding a license to recycle ships on a numbered Alang, Gadani, or Chattogram plot.
- Port of Recycling
- The port serving the recycling facility, typically named in the IRRC.
- PPE for recyclers
- Helmets, harnesses, respirators, gloves, and footwear required by HKC, EU SRR, and ILO guidelines for yard workers.
- Pre-cleaning
- Removal of bunker residues, sludges, and onboard wastes before the ship enters the recycling facility.
- Priya Blue Industries
- Alang plot operator with HKC Statement of Compliance reported in trade press from major IACS societies; confirm via current Class registry.
Q
- Quay-side recycling
- Synonym for alongside method recycling conducted at a permanent berth.
- Quotation in long tons
- The market practice of pricing recycling sales per LDT in USD per long ton.
R
- Re-rolling mill
- A downstream steel facility that rolls recycled ship plate into rebar and structural sections, especially in Chattogram and Alang clusters.
- Ready for Recycling Certificate
- See IRRC.
- Recognized Organization (RO)
- Class society or other entity acting on behalf of the flag state.
- Recycling of Ships Rules 2020, India
- The Indian subordinate legislation operationalizing the 2019 Act, including yard authorization procedures.
- Recycling State
- The state in which the recycling facility is located, with HKC obligations for authorization and supervision.
- Responsible Ship Recycling Standard (RSRS)
- See Maersk RSRS.
- RINA
- Royal Institution of Naval Architects, London, founded 1860.
- Risk assessment for ship-specific hazards
- A mandatory component of the SRP for each ship received.
S
- Sea2Cradle
- A Netherlands-based ship recycling project management company that supervises recycling at HKC-aligned yards on behalf of shipowners.
- Sediment management plan
- Yard-level documentation of contaminated sediment handling, required under EU SRR audits.
- Seimar Shipping
- A historic cash buyer name in the South Asian market.
- Ship Recycling Facility Plan SRFP
- Facility-level plan required under HKC Regulation 18 and MEPC.211(63).
- Ship Recycling Plan (SRP)
- Required per HKC and EU SRR per ship.
- Shree Ram Group
- Alang plot operator with HKC Statement of Compliance from IACS member classification society; confirm details via the issuing society.
- Shree Ramesh Metal & Steel
- A plot operator name found in Alang yard registers.
- Sitakunda Upazila
- Subdistrict of Chittagong District, Bangladesh, hosting the Chittagong ship recycling cluster.
- SOLAS Regulation II-1/3-5
- Provision banning new installation of asbestos onboard ships from 1 January 2011.
- Sosiya
- Southern part of the Alang-Sosiya cluster with additional plots.
- Star Asia Shipping
- Singapore-headquartered cash-buyer active in tanker and bulker last-voyage purchases.
- Statement of Compliance with EU SRR
- Similar certificate confirming alignment with the EU Regulation; only EU-listed yards may recycle EU-flagged ships.
- Statement of Compliance with HKC (SoC HKC)
- A facility-level certificate issued by an RO confirming the yard meets the HKC requirements, pending the convention's full implementation.
- Steel Industries Kerala Ltd (SILK)
- Indian government-linked entity that historically explored ship recycling investment.
T
- Tank cleaning at recycling
- A pre-recycling phase ensuring all cargo and bunker tanks are gas-free, sludge-free, and safe for hot work.
- TBT (Tributyltin)
- Organotin biocide formerly used in antifouling, banned by AFS Convention.
- The Maritime Executive recycling tables
- Industry trade publication tracking recycling sales volumes and yard activity.
- Tonnage demolished annually
- Industry metric, typically quoted in LDT or DWT, used to size the global recycling market (roughly 600 to 900 ships per year).
- Transboundary Movement Document (Basel)
- The notification and movement document accompanying hazardous waste shipments under Basel.
- Turkish Ship Recyclers Association (GEMISANDER)
- Industry body for Aliaga based recycling facilities.
U
- UNCTAD Review of Maritime Transport
- Annual UN reference publication.
- United Steel Allied Industries
- A Chattogram based industrial name in the recycling-fed steel sector.
- Update of IHM Part I
- Continuous maintenance obligation following any installation, replacement, or removal of hazardous-substance-containing items.
- US EPA PCB rules
- National regulations on PCB management that affect US-flagged ship recycling decisions, often via the MARAD recycling program.
V
- Verification audit (EU SRR)
- Periodic re-audit of yards on the European List by a Commission contracted auditor.
- Vinyl chloride monomer
- An IHM listed hazardous substance present in some onboard polymers and resins.
- Visual identification (VI)
- The first stage of an IHM survey using existing drawings and walkthrough inspections to identify hazardous materials.
W
- Waste manifest
- Document trail covering each hazardous waste stream removed from the ship and tracked to its downstream disposal facility.
- Wirana Shipping Corporation
- Singapore-headquartered cash-buyer founded in the 1980s, among the longest established in the sector.
- Worker safety committee
- Yard level body required under HKC SRFP, including representation from cutting crews.
- Workshop survey of equipment
- Sampling and analysis program performed on removable items to confirm their IHM classification.
X
- Xinhui Yufeng
- A historic Chinese recycling yard reference in Guangdong Province (now largely inactive for international tonnage).
Y
- Y.S. Investments
- Plot operator name historically associated with Alang.
- Yard authorization
- The process under HKC Article 9 by which a Recycling State authorizes a specific facility to recycle ships.
- Yard capacity in LDT
- Annual throughput capacity, typically published as part of EU List applications and HKC SoC audits.
Z
- Zero discharge target
- An aspirational standard, sometimes referenced in Maersk RSRS and EU SRR audits, for hazardous waste leakage from yard operations.
- Zhoushan recycling cluster
- A Chinese yard concentration in Zhejiang Province, historically active in domestic flag recycling.
- Zinc anodes (sacrificial)
- Removed during dismantling and recovered as a non-ferrous metal stream, recorded in IHM Part I as non-hazardous metal where applicable.