Definition(s)


In Service

Designates a pressure vessel that has been placed in operation as opposed to new construction prior to being placed in service or retired vessels. A pressure vessel not in operation because of a process outage is still considered an in-service pressure vessel.

  • NOTE: Does not include pressure vessels that are still under construction or in transport to the site prior to being placed in service or pressure vessels that have been retired from service. It does include pressure vessels that are temporarily out of service but still in place in an operating site. A stage in the service life of a vessel between installation and being removed from service.

Source: API 510, Pressure Vessel Inspection Code: In-service Inspection, Rating, Repair, and Alteration, Tenth Edition, May 2014, with Addendum May 2017. Global Standards

 

570, Piping Inspection Code

Designates a piping system that has been placed in operation as opposed to new construction prior to being placed in service or retired. A piping system not currently in operation due to a process outage is still considered to be in service. The operational stage of a piping system lifecycle that commences upon initial commissioning and ends when the piping system is finally retired from service or abandoned in place.

  • NOTE: 1 Does not include piping systems that are still under construction or in transport to the site prior to being placed in service or piping systems that have been retired.
  • NOTE: 2 Piping systems that are not currently in operation due to a temporary outage of the process, turnaround, or other maintenance activity are still considered to be “in service.” Installed spare piping is also considered in service; whereas spare piping that is not installed is not considered in service.

Source: API 570, Piping Inspection Code: In-service Inspection, Rating, Repair, and Alteration of Piping Systems, Fourth Edition, February 2016, with Addendum May 2017. Global Standards

In-service

Designates a pressure vessel that has been placed in operation as opposed to new construction prior to being placed in service or retired vessels. A pressure vessel not in operation due to an outage is still considered an in-service pressure vessel.

Source: API 510, Pressure Vessel Inspection Code: In-Service Inspection, Rating, Repair, and Alteration Downstream Segment, Ninth Edition, June 2006. Global Standards

 

In-service

A crane is in-service when the operator is in control of the crane.

Source: API RP 2D, Operation and Maintenance of Offshore Cranes, Sixth Edition, May 2007. Global Standards

 

In-service

A platform that has been placed in operation.

Source: API RP 2SIM, Structural Integrity Management of Fixed Offshore Structures, First Edition, November 2014. Global Standards

 

In-service

When a crane is capable of operating in a safe manner in accordance with the capacities shown on the posted load chart.

  • NOTE: In-service conditions can be with the boom out of the boom rest or in the boom rest (stowed).

Source: API RP 2D, Operation and Maintenance of Offshore Cranes, Seventh Edition, December 2014. Global Standards

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