Middlemuir Windfarm – 132kV Cable Civil
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Project Type
Cable Installation
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Client
Scottish Power Energy Networks Limited
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Company Involvement
Roadbridge was appointed as Contractor for this project in April 2017. Iberdrola Engineering & Construction UK Networks acted as the Principal Contractor on the project.
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Form of Contract
NEC3 Option B (with amendments)
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Dates
April 2017 – February 2018
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Location
Coalburn, South Lanarkshire, Scotland
Key Features
- Installation for a buried, single trefoil circuit, ducting system to facilitate the installation of a 132kV underground power cable and associated fibre optic cables to connect Middlemuir & Coalburn Substations
- 7km of duct route was in public highways, with 6km in agricultural land
- Liaison between the Local Authority and the motorway maintenance contractor
- Close liaison with Scottish Water around critical national assets along the ducting route; 19NO. interfaces with critical assets
- Routing through a ground water dependant terrestrial eco-system (GWDTE) and associated burn flood plain for approximately 600 meters
- A total of 85 no. service crossings were encountered; of which 44% were unchartered
- 4 n o. Special Engineering difficulties: 231m long HDD crossing Poniel Bridge, 120 m long HDD crossing Old Rail Bridge
