IEC 60965:2009

July 2009

International standard Cancelled

Nuclear power plants - Control rooms - Supplementary control points for reactor shutdown without access to the main control room

IEC 60965:2009 establishes requirements for the supplementary control points provided to enable the operating staff of nuclear power plants to shut down the reactor and maintain the plant in a safe shut-down state in the event that control of the safety functions can no longer be exercised from the main control room, due to unavailability of the main control room or its facilities. The main technical changes with regard to the previous edition are as follows:- to clarify the definitions and review the requirements;- to update the references to new IEC standards published since the first issue;- to align the standard with new editions of the relevant IAEA documents.

Main informations

Collections

International IEC standards

Publication date

July 2009

Number of pages

34 p.

Reference

IEC 60965:2009

Print number

2 - 15/12/2009

Sumary

Nuclear power plants - Control rooms - Supplementary control points for reactor shutdown without access to the main control room

IEC 60965:2009 establishes requirements for the supplementary control points provided to enable the operating staff of nuclear power plants to shut down the reactor and maintain the plant in a safe shut-down state in the event that control of the safety functions can no longer be exercised from the main control room, due to unavailability of the main control room or its facilities. The main technical changes with regard to the previous edition are as follows:
- to clarify the definitions and review the requirements;
- to update the references to new IEC standards published since the first issue;
- to align the standard with new editions of the relevant IAEA documents.

Replaced standards (1)

IEC 60965:1989

January 1989

International standard Cancelled

Supplementary control points for reactor shutdown without access to the main control room

Standard replaced by (1)

IEC 60965:2016

February 2016

International standard Current

Nuclear power plants - Control rooms - Supplementary control room for reactor shutdown without access to the main control room

IEC 60965:2016 establishes requirements for the Supplementary Control Room provided to enable the operating staff of nuclear power plants to shut down the reactor, where previously operating, and maintain the plant in a safe shut-down state in the event that control of the safety functions can no longer be exercised from the Main Control Room, due to unavailability of the Main Control Room or its facilities. The design has to ensure that the Supplementary Control Room is protected against the hazards, including any localised extreme hazards, leading to the unavailability of the Main Control Room. This new edition includes the following significant technical changes with respect to the previous edition: - requirements associated with regular testing of the supplementary control room (SCR); - requirements to assess the time available during which the reactor will be safe but unattended, in order to move from the main control room (MCR) to the SCR and for the SCR to become operational; - taking into account new requirements laid down by the IAEA.

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