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NG TS 2.20

Technical Specifications - Oil Containment At Electricity Substations and Other Operational Sites

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Organization: NG
Publication Date: 1 February 2012
Status: inactive
Page Count: 34
scope:

PURPOSE AND SCOPE

Oil is one of the most commonly reported types of water pollution and causes nearly a quarter of all pollution incidents. Adequate measures must be taken to prevent the risk of pollution ofSurface Waters, groundwater, sewers and drains by Oil.

This technical specification is applicable to containment of Oil at new and existing electricity substations and other relevant operational sites. It shall also apply, as appropriate and via agreement, to third party assets installed on National Grid owned land.

The Environment Agency for England and Wales is responsible for protecting Controlled Waters from pollution. This responsibility extends to the prevention of pollution of the environment, harm to human health and detriment to local amenity by waste management activities.

It is an offence to pollute Controlled Waters either deliberately or accidentally and the formal consent of the appropriate Agency is often required for discharges to such waters, whether these are direct or via soakaways. This specification defines the mandatory prescriptive and functional requirements by which National Grid shall ensure compliance with its legal obligations. Installations not specifically covered by this document shall, as a minimum, comply with current legislation and the relevant Agency guidelines, specifically those included in the References Section 13.

Works shall be divided into two categories New Work and Improvement Work as defined in Part 2. Unless specifically identified in the contract specification as Improvement Work all relevant parts of a project shall be assumed to be New Work.

Retrospective application of this specification to existing sites will be determined on a risk based approach, taking into account National Grid engineering policy, technical feasibility, cost and the sitespecific risks. Guidance for Improvement Work is given in Part 1, Section 8 of this document.

Where a configuration incorporates a detail or details that result in conflicting requirements, National Grid shall advise accordingly.

Document History

September 1, 2014
Technical Specifications - Oil Containment At Electricity Substations and Other Operational Sites
PURPOSE AND SCOPE In the UK Oil is one of the most commonly reported types of water pollution and causes nearly a quarter of all pollution incidents. Adequate measures must be taken to prevent the...
NG TS 2.20
February 1, 2012
Technical Specifications - Oil Containment At Electricity Substations and Other Operational Sites
PURPOSE AND SCOPE Oil is one of the most commonly reported types of water pollution and causes nearly a quarter of all pollution incidents. Adequate measures must be taken to prevent the risk of...

References

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