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East Anglia One – On-Shore Sub-Station, Enabling Works

  • Project Type Substation
  • Client Scottish Power Renewables
  • Company Involvement The Bramford On-Shore Sub-Station Project was awarded to Roadbridge UK in January 2017.
  • Form of Contract NEC3 Option B
  • Dates April 2017 – April 2018
  • Location Ipswich, East Anglia, United Kingdom



Key Features

  • 25 Acres of topsoil strip, volume 36,000m3
  • 50,000m3 earthworks, 30,000 tonnes of imported aggregates
  • 3.5km of drainage (varying in depths for 1.5m to 5m) with 110 Catch-pit Chambers and 2 Outlet Control Chambers. 800mtrs of BT/11kV ducting
  • Storm Water Pumping Station with 140mtr rising main (Flow rate of 1.53l/s, yearly volume of 760m3)
  • 4,000m2 Reinforced Concrete Road, 900m3 Concrete
  • Two Reinforced concrete bridges, 10-11-meter spans, 12 number T-Beams per structures
  • Three SuDS ponds, volumes 16,000m3to 3,000m
  • 650 metres of Securifor 358 fencing with Insitu Anti-dig Kerb with two number 6 metre gates.
  • 1,600m2 of Grass Road
  • 638 metres of 2m wide Gravel footpath with Timber Kerbing