Context

The National Grid wanted to further fortify its 22 Critical National Infrastructure (CNI) sites with enhanced demarcation security and Barkers Engineering was approached to supply boundary protection.

Products supplied

Two variations of palisade fence and StronGuard fence were selected for the project.

Barkers palisade fencing is specifically designed to meet gas (DH10) and electricity (TS2.2) sites specifications.

For substations and gas compressor stations – which are considered to have a higher threat level – StronGuard and StronGuard Plus fencing were supplied, which are accredited to CPNI base and CPNI enhanced standards respectively.

StronGuard meets the very highest security and safety standards and is tested by CAST (Home Office) and accredited to HM Government standards. It is manufactured at Barker's UK site with intelligent performance and resilience features such as concealed fixings, which makes it much more difficult for the fencing to be vandalised or breached by people or tools.

Reinforced steel is used, which increases in resistance to attack and provides the National Grid with extra time to secure their internal operations.