Feb 2018
Gas Distribution
Live ECV Exchange
Feb 2018
Aug 2018
Northern Gas Networks
Phil Crow
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Network Innovation Allowance
The primary objectives are to determine if a prototype system meets the requirements to undertake a ECV exchange in a safe, controlled manner and in ‘no gas’ conditions on live gas supply.

The specific objectives are:
Development of a concept – TRL4
Selection of the most suitable enclosure – flexible vs rigid
Demonstration of the concept in a controlled environment
Review of E&R Procedures related specifically to ECV exchange 
Development timeline for TRL5 to TRL8