Nov 2016
Electricity Transmission
Cost effective removal of conductor crossing clearance constraints
NIA_NGET0198
Complete
Nov 2016
Nov 2017
National Grid Electricity Transmission
Karl Head
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Network Innovation Allowance
None
Overhead Lines, Conductors and Electricity Transmission Networks
£245,000.00
The scope of this project is to develop the installation methodology for raising the height of the bottom phase conductor on a tower by installing semi tension insulators on two consecutive towers in order to reach an overall increase in overhang clearance by 5m.

This methodology will then be tested by raising the overall height by 5m of two consecutive towers over a river crossing.

The objective of this project is to trial the ability to raise the overall height by 5m by installing semi tension insulators on two consecutive towers.

The project will be deemed successful if the overall height of two consecutive in situ towers can be raised by 5m by installing semi tension insulators.