Glossary
Browse the IADC Lexicon alphabetically or by category. Get comprehensive definitions of drilling industry terms.
Offshore Crane
Definition(s)
Offshore Crane
Both slewing crane and knuckle boom crane used offshore for lifting operations with relative movements between the crane and the loading area . Source: Rules for Classification and Construction, IV Industrial Services, 6 Offshore Technology, 9 Guideline for Personnel Transfers by Means of Lifting Appliances, Edition 2011, Germanischer Lloyd SE, Global StandardsMeans of Connection
Definition(s)
Means of Connection
mechanical parts (e.g. hooks, links, rings, etc.) intended for connection of the life saving equipment to the launching and recovery appliances NOTE: The term „means of connection“ covers both those parts which are integral to the life saving equipment and those parts which are integral to the lifting appliance. Source: Rules for Classification and Construction, IV Industrial Services, 6 Offshore Technology, 9 Guideline for Personnel Transfers by Means of Lifting Appliances, Edition 2011, Germanischer Lloyd SE, Global StandardsLifting Zone
Definition(s)
Lifting Zone
space between the working area and the maximum lifting height. Source: Rules for Classification and Construction, IV Industrial Services, 6 Offshore Technology, 9 Guideline for Personnel Transfers by Means of Lifting Appliances, Edition 2011, Germanischer Lloyd SE, Global StandardsLifting Operation
Definition(s)
Lifting Operation
all administrative and operational activities before, during and after a load is moved and until the lifting equipment is ready for a new load Source: Rules for Classification and Construction, IV Industrial Services, 6 Offshore Technology, 9 Guideline for Personnel Transfers by Means of Lifting Appliances, Edition 2011, Germanischer Lloyd SE, Global StandardsLifting Equipment
Definition(s)
Lifting Equipment
lifting accessories or temporary installed equipment such as slings, shackles, links, pennants, necessary to perform the lift eye bolts etc. Source: Rules for Classification and Construction, IV Industrial Services, 6 Offshore Technology, 9 Guideline for Personnel Transfers by Means of Lifting Appliances, Edition 2011, Germanischer Lloyd SE, Global StandardsLifting Components
Definition(s)
Lifting Components
parts of the structure of, or used as part of a lifting gear, such as hooks, shackles, rings etc. Source: Rules for Classification and Construction, IV Industrial Services, 6 Offshore Technology, 9 Guideline for Personnel Transfers by Means of Lifting Appliances, Edition 2011, Germanischer Lloyd SE, Global StandardsLifting Accessories
Definition(s)
Lifting Accessories
components or equipment used between the lifting appliance and the load or on the load to grip it, but which is not an integrated part of the lifting appliances. NOTE: The term lifting accessories also cover lifting gear and loose gear. Source: Rules for Classification and Construction, IV Industrial Services, 6 Offshore Technology, 9 Guideline for Personnel Transfers by Means of Lifting Appliances, Edition 2011, Germanischer Lloyd SE, Global StandardsLay Down Area
Definition(s)
Lay Down Area
deck area for temporary storage of loads and equipment. Source: Rules for Classification and Construction, IV Industrial Services, 6 Offshore Technology, 9 Guideline for Personnel Transfers by Means of Lifting Appliances, Edition 2011, Germanischer Lloyd SE, Global StandardsComplex Lifting Appliance
Definition(s)
Complex Lifting Appliance
power driven lifting appliances with high capacity and/or high risks. NOTE: Complex lifting appliances include, but are not limited to: Offshore cranes, BOP cranes, draw works, launching appliances for lifeboats, tower cranes, mobile cranes etc. Source: Rules for Classification and Construction, IV Industrial Services, 6 Offshore Technology, 9 Guideline for Personnel Transfers by Means of Lifting Appliances, Edition 2011, Germanischer Lloyd SE, Global StandardsBanksman
Definition(s)
Banksman
skilled person who directs the operation of a crane from the point near where loads are attached and detached. Source: Rules for Classification and Construction, IV Industrial Services, 6 Offshore Technology, 9 Guideline for Personnel Transfers by Means of Lifting Appliances, Edition 2011, Germanischer Lloyd SE, Global StandardsAutomatic Overload Protection System (AOPS)
Definition(s)
Automatic Overload Protection System (AOPS)
system that automatically safeguards and protects the crane against overload and “over-moment” during operation by allowing the hook to be pulled away from the crane in order to avoid significant damage. Source: Rules for Classification and Construction, IV Industrial Services, 6 Offshore Technology, 9 Guideline for Personnel Transfers by Means of Lifting Appliances, Edition 2011, Germanischer Lloyd SE, Global StandardsAgreed
Definition(s)
Agreed
Term used when operating conditions or other design parameters are to be specified, and an agreement has to be reached. Source: Rules for Classification and Construction, IV Industrial Services, 6 Offshore Technology, 9 Guideline for Personnel Transfers by Means of Lifting Appliances, Edition 2011, Germanischer Lloyd SE, Global StandardsSHE
Definition(s)
SHE
Safety, Health, Environment. Source: Verification of Lifting Appliances for the Oil and Gas Industry, DNV-OSS-308, October 2010, Det Norske Veritas AS, Global StandardsTCF
Definition(s)
TCF
Technical Construction File Source: Verification of Lifting Appliances for the Oil and Gas Industry, DNV-OSS-308, October 2010, Det Norske Veritas AS, Global StandardsWPQR
Definition(s)
WPQR
Welding Procedure Qualification Record Source: Verification of Lifting Appliances for the Oil and Gas Industry, DNV-OSS-308, October 2010, Det Norske Veritas AS, Global StandardsBase
Definition(s)
Base
The supporting substructure upon which the revolving upper-structure is mounted. Source: API RP 2D, Operation and Maintenance of Offshore Cranes, Seventh Edition, December 2014. Global StandardsEEA
Definition(s)
EEA
European Economic Area (EU and EFTA countries). Source: Verification of Lifting Appliances for the Oil and Gas Industry, DNV-OSS-308, October 2010, Det Norske Veritas AS, Global StandardsDesign
Definition(s)
Design
Engineering activities related to planning and preparation of the technical documentation of a lifting appliance and its components to enable its construction. Source: Verification of Lifting Appliances for the Oil and Gas Industry, DNV-OSS-308, October 2010, Det Norske Veritas AS, Global StandardsCommissioning
Definition(s)
Commissioning
A process of assuring that components, equipment and the systems are functioning in accordance with the functional requirements Source: Rules for Classification – Offshore units, DNVGL-OU-0101, Offshore drilling and support units, DNV GL, July 2015. Global StandardsCommissioning
Activity after installation, including review, survey and testing in the presence of the Client in order to assess compliance with the requirements. Source: Verification of Lifting Appliances for the Oil and Gas Industry, DNV-OSS-308, October 2010, Det Norske Veritas AS, Global StandardsRemoval
Definition(s)
Removal
De-install the lifting appliance from its operating location. Source: Verification of Lifting Appliances for the Oil and Gas Industry, DNV-OSS-308, October 2010, Det Norske Veritas AS, Global StandardsManufacture
Definition(s)
Manufacture
Making of articles or materials, often in large volumes. In relation to process facilities, this typically refers to activities for the production of various components under contracts from one or more Contractor or Supplier. Source: Verification of Lifting Appliances for the Oil and Gas Industry, DNV-OSS-308, October 2010, Det Norske Veritas AS, Global StandardsCrane
Definition(s)
Crane
Power-operated equipment that can hoist, lower, slew and horizontally move a suspended load. Source: API RP 2D, Operation and Maintenance of Offshore Cranes, Seventh Edition, December 2014. Global StandardsCrane
lifting appliance whereby the load can be moved horizontally in one or more directions, in addition to the vertical movement critical lifting operations operations requiring a work permit and special measures. Source: Rules for Classification and Construction, IV Industrial Services, 6 Offshore Technology, 9 Guideline for Personnel Transfers by Means of Lifting Appliances, Edition 2011, Germanischer Lloyd SE, Global StandardsCrane
Machine for cyclic lifting or cyclic lifting and handling of loads suspended on hooks or other load handling devices, whether manufactured to an individual design, in series or from prefabricated components. Guidance note: “Suspended” can include additional means fitted to prevent swinging, rotation of load etc. Source: Verification of Lifting Appliances for the Oil and Gas Industry, DNV-OSS-308, October 2010, Det Norske Veritas AS, Global StandardsMachine
Definition(s)
Machine
An assembly of linked parts or components, at least one of which moves, with the appropriate machine actuators, control and power circuits, etc., joined together for a specific application, in particular for the processing, treatment, moving or packing of a material. The term machinery also covers an assembly of machines which, in order to achieve one and the same end, are arranged and controlled so that they function as an integral whole. Source: Verification of Lifting Appliances for the Oil and Gas Industry, DNV-OSS-308, October 2010, Det Norske Veritas AS, Global StandardsCertificate of Conformity
Definition(s)
Certificate of Conformity
A document signed by a qualified party affirming that, at the time of assessment, the product or service met the stated requirements (BS 4778: Part 2). Source: Verification of Lifting Appliances for the Oil and Gas Industry, DNV-OSS-308, October 2010, Det Norske Veritas AS, Global StandardsLifting Component
Definition(s)
Lifting Component
Parts of a lifting accessory. Source: Verification of Lifting Appliances for the Oil and Gas Industry, DNV-OSS-308, October 2010, Det Norske Veritas AS, Global StandardsLifting Accessory
Definition(s)
Lifting Accessory
Component or equipment not attached to the machine and placed between the machinery and the load or on the load in order to attach it Source: Verification of Lifting Appliances for the Oil and Gas Industry, DNV-OSS-308, October 2010, Det Norske Veritas AS, Global StandardsCertificate of Lifting Appliance
Definition(s)
Certificate of Lifting Appliance
A document based on the ILO convention no. 152, issued by the Competent Person, which confirm that the lifting appliance is in compliance with the requirements and is designed, fabricated, assembled, erected, tested, documented and maintained, and can be safely used. Source: Verification of Lifting Appliances for the Oil and Gas Industry, DNV-OSS-308, October 2010, Det Norske Veritas AS, Global StandardsRisk Reduction Measures
Definition(s)
Risk Reduction Measures
Those measures taken to reduce the risks to the operation of process facilities and to the health and safety of personnel associated with it or in its vicinity by: — reduction in the probability of failure — mitigation of the consequences of failure. Guidance note: The usual order of preference of risk reduction measures is:- Inherent Safety.
- Prevention.
- Detection.
- Control.
- Mitigation.
- Emergency Response.