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Civil Design Services

Civil Design Services

Freedom specialise in services to the Electrical Distribution Industry. Our team are highly experienced professionals, all of whom have gained an extensive working knowledge in the Electrical Distribution Industry over many years. We provide civil, structural, quantity surveying, contract administration and clerk of works services to help our clients achieve and deliver effective, best value investment in their operational infrastructure.

  • Civil design including feasibility studies, CDM designer duties, Civil engineering design works and planning application drawings/submissions
  • Structural engineering including building and structure surveys and condition reports, structural calculations/design and structural detailing
  • Quantity surveying including feasibility studies
  • Project Management of civil contractors on site
  • Clerk of works including quality, health and safety and environmental monitoring and reporting
  • Safety standby person duties



Siemens & Statoil


Dudgeon Offshore Windfarm – Necton Substation


Necton, Norfolk

The Brief

Freedom Professional Services were asked to carry out the civil and structural design for all associated elements of the onshore Necton GIS Substation. This included but wasn’t limited to a 132kV GIS Building, SVC Building, 2 No. Supergrid transformer (SGT) bunds, 2 No. Shunt Reactor bunds, GIS and AIS plant foundations, perimeter fencing, roads and parking areas and drainage.

The Approach

Working to a very challenging programme Freedom carried out initial civil and structural design work to enable the client to go out to competitive tender. Following which, discussions with the client (Siemens), customer (Statoil) and the appointed contractor were held to agree a detailed design programme to facilitate an immediate start on site in order to achieve the pre-determined project hand over. All design work was to be in accordance with National Grid’s technical specifications in addition to Statoil’s onerous, predominantly offshore focused technical requirements.

The Delivery

Due to the aforementioned challenging programme the civil and structural design was rationalised and efficiencies were made wherever possible, with both cost and time benefits realised by all parties. GIS Building structural calculations and a full suite of construction drawings (produced in 3D on Autodesk Revit software) were issued within 4 weeks of design commencement to enable immediate excavation for foundations on site. Where possible the design allowed for use of fibre-reinforced concrete to save time fixing steel reinforcement on site. The SVC Building was required by the customer to be EMC shielded. A series of construction details were completed in order to ensure fully galvanic metallic contact around the full perimeter of the building, including doors and openings for bushings and pipes etc.