Safety Interfaces- RISSPs

Question 1

Permit For Work For

Proximity For Work

Answer 1

A document referred to as a ‘permit for work’, or other proximity work equivalent document, issued by NATIONAL GRID or a User in accordance with its respective Safety Rules to enable work to be carried out in accordance with OC8. and which provides for Safety Precautions to be applied and maintained.

Question 2

Safety Co-ordinator

Answer 2

A person nominated by NATIONAL GRID or by a User to be responsible for the co-ordination of safety precautions when work is to be carried out on a System which necessitates the provision of safety precautions on either HV, LV or Mechanical Equipment.

Question 3

Requesting Safety Coordinator

Answer 3

The Safety Co-ordinator requesting safety precautions.

Question 4

Implementing Safety Co-ordinator

Answer 4

The Safety Co-ordinator implementing safety precautions.

Question 5

User

Answer 5

A party whose System is connected to the NATIONAL GRID System

Question 6

Local Procedures

Answer 6

Any NATIONAL GRID document or equivalent User document providing compliance with a requirement in this procedure.

Question 7

Local Control Person

Answer 7

A Senior Authorised Person (SAP 1 and/or 2 and 3) acting as the Control Person (Operation) and Control Person (Safety) for LV and mechanical Equipment.

Question 8

Isolation request Form

Answer 8

This document is used to define, secure and maintain safety precautions across the interface of two Safety Management Systems. (See Appendix C - UK BP/SE/301)

Question 9

RISSP-R

Answer 9

Filled in by Requesting Safety Co-ordinator

Question 10

RISSP-I

Answer 10

Filled in by Implementing Safety Co-ordinator

Question 11

Apparatus

Answer 11

All equipment in which electrical conductors are used, supported or of which they may form as part of a system

Question 12

Delegation of Authority

Answer 12

A contract between NGET and a 3rd party allowing temporary delegation of authority for Operational/Safety switching instructions at defined locations in accordance with the relevant SRS agreed schedule

Question 13

Multi-User Switching Agreement

Answer 13

A contract between NGET and a 3rd party allowing Operational/Safety switching instructions to issued using an alternative companies Safety Rules by use of trigger phrases, as dictated by the relevant SRS

Question 14

NGET Control

Answer 14

Generic term given to the Transmission Network Control Centre (TNCC) post legal separation

Question 15

3rd Party

Answer 15

Someone who may be indirectly involved but is not a principal party to an arrangement, contract, deal, lawsuit, or transaction. Typical 3rd parties include Generators, DNOs etc

Question 16

Grid Code OC8

Answer 16

Safety Co-Ordination

Question 17

G3/19

Answer 17

Guidance to SAP on “Application of Safety Rules in ‘Life at Risk’ Emergency Situations”