Work On Customer HV Systems Owner Name Peter Vujanic Title Head of Health, Safety and Environment Signature Date 01 May 2016 Authoriser Name Dudley Sparks Operational Safety Manager Signature Date 01 May 2016 This document forms part of the UK Power Networks Integrated Management System and compliance with its requirements is mandatory. Departure from these requirements may only be taken with the written approval of the above authoriser. Revision Record Version number 4.0 What has changed? Owner name changed, change of name of the HV Consumers Plant Authority form to HV Consumers Apparatus Authority. Introduction and Purpose and the Scope have been changed to highlight control functions. Additional paragraph in section 9.2 highlighting when testing is required by a customer on their network. Removal of references to regional variations in Introduction and Purpose Why has it changed? Full review for the new 2016 DSRs. Date published 01/05/2016 Next review date 07/03/2019 Prepared by D Daintree Revision Record Version number 3.0 What has changed? Added appendices 11 and 12 (example forms) and reference to unregulated form number Why has it changed? Additional information for staff. Date published 09/10/2015 Next review date 21/06/2018 Prepared by N. Saunders Version number 2.0 What has changed? Change of authoriser Why has it changed? Previous authoriser left company. Date published 16/07/2015 Next review date 21/06/2018 Prepared by D. Daintree
Who needs to know? All UK Power Networks Staff Asset Management Capital Programme Connections Contractors Customer Services Finance G81 External website HR & Communications HSS&TT In Business HSS Safety Reps ICP’s (Independent Connection Providers) IDNO’s (Independent Distribution Network Operators) Information Systems Meter Operators Network Operations EPN LPN SPN Commercial Services Logistics Network Control Network Operations Connections Transport Services Strategy and Regulation UK Power Networks Services Airports HS1, DLR & Commercial buildings MUJV / Allenby Projects & Business Development Others (specify) Contents Introduction and Purpose This document details the procedures to be followed when work and/or operations are undertaken by UK Power Networks’ staff on a network not controlled by UK Power Networks.
GOP 17 Generic Task Risk Assessment HV Switching - Overhead Definitions UK Networks network The electricity network owned by UK Power Networks and normally operated by UK Power Networks authorised personnel Customers Network An HV electricity network not owned by a Distribution Network Operator (DNO) and receives an HV supply from a DNO Site Responsibility Schedule A document defining the ownership of equipment and apparatus at the boundary between a DNO and other networks. It also specifies which party is responsible for controlling & operating switchgear, maintenance and issuing documents Operation & Maintenance Agreement A contractual agreement in place with a customer where UK Power Networks agrees to operate and maintain their electrical HV/LV distribution network HV Consumer Apparatus Authority (CAA) A document signed by the customer which gives authority to a nominated authorised person to carry out operations, work/and or control on consumer’s apparatus HV Operational Isolation and Earthing (OIE) Certificate A certificate designed to provide written confirmation of isolation and/or earthing where: UK Power Networks authorised personnel request the Customer’s authorised personnel to carry out switching operations on Customer’s switchgear to isolate and/or earth equipment to be worked on; or the Customer’s authorised personnel request UK Power Networks authorised personnel to carry out switching operations on UK Power Networks equipment or Customer’s switchgear to isolate and/or earth apparatus. The OIE Certificate includes sections for either to request the isolation and earthing operations and receive written confirmation of completion, before accepting the circuit. The relevant sections of the certificate must be completed and the certificate cleared and cancelled before the equipment is returned to service. The OIE Certificate is not an authority for UK Power Networks to operate the customer’s HV equipment, or vice-versa, other than to operate earth switches to facilitate testing. All other operations require a written agreement as set out in Section 8.2 of this procedure Responsibilities The ownership of any system, plant or equipment generally determines the responsibility for its control. This will normally be defined in the Site Responsibility Schedule required by the