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SSR

SSR — System Subsystem Register

A controlled register identifying the systems and subsystems used to manage construction, commissioning and operational handover.

Definition

A System/Subsystem Register (SSR) is a controlled engineering register that defines and records the systems and subsystems used to organize construction, commissioning, testing and turnover activities. It establishes the structured breakdown of a facility into manageable commissioning units and provides the foundation for completion management and progressive system handover.

Why It Matters

System/Subsystem Registers define the structured system hierarchy used to manage commissioning and facility turnover.

In Practice

System/Subsystem Registers are typically developed during detailed engineering and provide the basis for planning commissioning activities, assigning work packages and tracking system completion status.

Common Misuse

A System/Subsystem Register defines the commissioning system hierarchy, whereas a System Completion Database manages the execution and status of those systems.

Term Details
Synonyms:
SSR; System Register; Subsystem Register; Commissioning System Register
Classification:
Commissioning
Document Type
Advanced
Applications

Commissioning; Information Management; Engineering Design.

Where It's Used

Oil and gas.; Petrochemical.; Power generation.; Infrastructure.; Construction.

References

NORSOK Z-007

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