66kV AIS Substation Installation - Northwick, Gloucestershire

Introduction

Northwick Estates in Gloucestershire gained permission to construct their own anaerobic digestion system to produce electricity to feed back into the grid.

Wootton & Wootton were contracted to project manage, build & commission a 66KV AIS Substation. Our work comprised of the following:

Scope of Works.

Full time on site project management for the duration of the project

The installation of 1 x Steel Sealing End Structure

The installation of 2 x Steel 66kV Disconnector structures

The installation of 1 x steel 66kV CB structures

The installation of 3 x steel 66kV Post Insulator structures

The installation of 3 x steel 66kV VT structures

The installation of  1 x 66kV CBs

The installation of  2 x 66kV Dis-connector / earth switches

The installation of  1 x set 66kV surge arrestors

The installation of 6 x 66kV Post Insulators

The installation of 3 x 66kV VTs

The Installation of 5 sets 3 phase bus bars

The Installation of 2 sets 3 phase droppers

The Installation of Relay Panel for 66kV Bay

The Installation of AVC Panel for 25MVA 66/11kV Transformer

The Installation of SCADA Panel

The Installation of Interface Wall Box

The Installation of Battery chargers

The installation of 1 x 66KV underground 66KV XLPE Cct

The installation of 6 x 66KV Outdoor Raychem terminations

To Carry out an AC VLF Pressure test

Summary.

Despite difficult site conditions the project was delivered on time and on budget