FP McCann complete £1m flood alleviation scheme in Lisburn

FP McCann complete £1m flood alleviation scheme in Lisburn

FP McCann completed a scheme to reduce flood risk to three large commercial properties and critical infrastructure close to the main Belfast to Dublin railway line.

The scheme for the Department of Infrastructure involved 290m of in-situ reinforced floodwall construction, as well as installation of 180m of precast box and pipe culvert to divert the existing water course and dramatically increase the flow capacity of the existing network.

The construction of the flood defence wall provides protection for commercial properties when there is a high risk of flooding and increases the storage available in the low-lying flood plain.

Key challenges included the works crossing through several land ownerships, thus requiring extensive landowner liaison and careful planning in advance of the crane and deep excavation works.

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