Case Study

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Bustleholm – Perry Barr 132kV Cable Works

The Project was to install and lay a twin 132kV circuit between Bustleholm Substation and Perry Barr Substation over a distance of 6km. The works were required to facilitate development of the Commonwealth Games stadia, planned for 2022.

The initial phase of the Works required site investigation from Excalon Business Development and Design resource to engage and finalise the initial design to the client, WPD. Trial holes were undertaken at proposed joint bay locations and at areas of specific engineering difficulties.

The route had various challenges including works within two existing cable tunnels, two directional drills crossing beneath a canal and a tributary to the River Tame. Significant inhouse traffic management was required along the A34 and crossing major traffic sensitive junctions.

The complexity of the route required liaison with a number of Stakeholders, including two local councils, Fisher German for pipeline crossings and the Canals and Rivers Trust. Liaison between all parties was facilitated, following contract award, by the allocated Excalon Project Manager.

The duct installation was completed utilising Excalon’s in house excavation teams supported with specialists to undertake elements of the Works.

Each of the circuits were installed by one of Excalon’s specialist EHV cable teams through ducts, using our cable trailer and installation equipment.

Excalon’s Cable Jointers and Engineers completed the 132kV jointing works and HVAC testing to commission the circuits, working under the technical specification procedures of WPD.

Excalon’s EHV Division’s primary contract and delivery responsibilities are to:

• Act as Principal Contractor ensuring compliance with all Health, Safety & Environmental legislation and requirements.
• Ensure compliance with the verified and accepted system design including managing and developing detailed Quality Assurance Plans.
• Co-ordinate and deliver the project within the programme and budget.
• Plan and liaise with stakeholders.
• Temporary works design.
• Traffic Management.
• Management and logistics of cable deliveries.
• Co-ordination of jointing resources.
• Produce and manage construction drawings and technical documentation.