FRASERBURGH HARBOUR JETTY REPAIRS

PROJECT DESCRIPTION

Undermining of quay wall had led to loss of infill and settlement of concrete surfacing. Dive inspection revealed urgent repair required as large mass concrete walls had no foundations remaining. Temporary tie and support system across pier designed to allow work to be undertaken without walls collapsing; excavation of harbour bed and construction of new concrete foundations, restoring wall stability.

Client – Fraserburgh Harbour Commissioners

Completion – 2010

Value – £187,000

AREAS OF RESPONSIBILITY

Site surveys and dive inspections; design of repair works; preparation of tender documents; procurement; site supervision and project management.

PRINCIPAL ELEMENTS

• Temporary steel beams 30 tonnes
• Concrete underpinning 50m³

KEY FEATURES

Work had to be undertaken quickly to prevent collapse of wall; most of work was carried out underwater so required supervision by diving engineers.

CONTRACTORS

Project Manager – Wallace Stone

Main Contractor – Briggs Marine