Millbrook - 400kV GIS National Grid substation 

Principal Contractor, and Simms client: Vinci Energies

Value to Simms- £4m

- Ditch / river diversion, 300m

- Access roads, 350m

- Earthworks 

- Full 5000m2 substation platform build

- Large drainage scheme

- Multicore ducting

- HV ducting

- All RC works 

- Culverts

- Excavation / backfill for earthing

- Works directly under pylon structure

- Bund construction