Apr 2013
Electricity Transmission
Cable Extraction
NIA_NGET0090
Complete
Apr 2013
Feb 2016
National Grid Electricity Transmission
Richard Attwell
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Network Innovation Allowance
None
Conductors
£480,000.00
The scope of the project covers the trial of the modified drilling hd developed by JSM on three decomissioned transmission cable routes with different types of cable backfill material. Typically cables are installed in Cement Bound Sand (CBS) backfill (a mixture of cement and sand), sand only, soil, and in some places, concrete.

The project objective is to produce a solution that can extract HV cables without trench digging.

Successful removal of cable at one or more of the sites at which the trials are being carried out.