Canterbury – Flood Defence, Kent

For: National Grid

Client / End User:  National Grid

Services Provided: Principal Contractor, Civil Engineering Construction

Scope: Phased removal of the existing site perimeter fencing. Construction of 1050 metres of fibre reinforced concrete flood wall including high security electrified weldmesh fencing to the perimeter of the existing 400KV substation. The installation of 4 no. flood gates to allow access and egress. Upgrading of the internal substation drainage system, including the installation of 13 no. groundwater pumping stations so that in the event of flooding to the surrounding area the substation equipment could be kept clear. The installation of flood proof doors to the critical control buildings. Upgrading of the site lighting and rerouting of the access roads where effected by the flood works.

Unusual aspects: Very high ground water levels.
Newts, toads and a nearby beaver colony
Maintaining site security and operational capability at all times.