Glossary Of Terms

    This resource is designed to help you understand the technical language often used in the utilities and construction sectors. Whether you’re a developer, homeowner, or simply curious, this glossary will demystify the jargon and empower you to make informed decisions about your project.

    Abbreviation – Name

    • AE – Authorising Engineer
    • AIGT – Adoption of Independent Gas Transporter
    • AP – Adoption Plan
    • AV – Asset Value
    • BNO – Building Network Operator
    • B.E. – Bottle End
    • BR.JT. – Breech Joint
    • CAD – Computer Aided Design
    • CP – Competent Person
    • CRMC – Construction of Routine Mains Connection
    • Dims – Dimensions
    • DIV – Diversion
    • DMV – Distribution Main Valve
    • DNO – Distribution Network Operator
    • DMP – Design Minimum Pressure
    • DP – Design Pressure
    • ECV – Emergency Control Valve
    • ESP – ESPL – East Surrey Pipelines Ltd
    • EHV – Extra High Voltage
    • EV – Electric Vehicle
    • GIRS – Gas Installers Registration Scheme – operated by Lloyds Registe
    • GT – Gas Transporter
    • GTC – Gas Transport Company (IDNO)
    • GRP –Glass Reinforced Plastic (housing for electric equipment)
    • HV – High Voltage
    • HEA – Highway Electrical Association
    • HERS – Highway Electrical Registration Scheme
    • HSQE – Health Safety Quality Environment
    • ICP – Independent Connections Provider
    • IDNO – Independent Distribution Network Operator
    • IGEM – Institute of Gas Engineers and Managers
    • IGT – Independent Gas Transporter
    • J.H. – Joint Hole
    • LP – Low Pressure
    • LV – Low Voltage
    • MIP – Maximum Incidental Pressure
    • MOP – Maximum Operating Pressure
    • MAM – Meter Asset Manager
    • MP – Medium Pressure
    • MPRN – Meter Point Reference Number
    • MU – Multi Utility
    • NAVs – New Appointments and Variations
    • NERS – National Electricity Registration Scheme – operated by Lloyds Register
    • NJUG – National Joint Utilities Group
    • NECIEC – National Inspection Council for Electrical Installation Contracting
    • NAVs – New Appointments and Variations
    • NRV – Non-Return Valve
    • NRO – Non-Routine Operation procedure
    • OHL – Overhead Line
    • OFGEM – Office of Gas and Electrical Markets – Gas and Electricity Markets Authority
    • OFWAT – Office of Water – Water Services Regulation Authority
    • OP – Operating Procedure
    • PCN – Private Cable Network
    • PNC – Private Network Cable
    • POC – Point Of Connection
    • POI – Point Of Insertion
    • PRI – Pressure Regulating Installation
    • PV – Photovoltaics
    • RO – Routine Operation
    • SLO – Self Lay Organisation
    • Stats – Statutory Undertakers (DNO’s IDNO’s and any other utility network owner)
    • ST.JT. – Straight Joint
    • UIP – Utility Infrastructure Provider
    • WIRS – Water Installers Registration Scheme – operated by Lloyds Register

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