SCRABSTER OLA PIER REDEVELOPMENT

PROJECT DESCRIPTION

The primary purpose of the proposed works was to provide a deep water quay suitable for use by 240m long cruise ships.  In addition, there is a heavy lift slab for use by large mobile cranes loading heavy components onto vessels to serve the offshore oil and offshore renewables markets.

Client – RJ McLeod (Contractors) Ltd

Completion – 2021

Value – £18.5 million

AREAS OF RESPONSIBILITY

Design of a new inner pier section with combi wall piling surrounding the existing structure; the outer finger pier was strengthened to save cost, with new piling on the outer face and stressed rock anchors to resist new fender forces.

PRINCIPAL ELEMENTS

  • Outer finger pier strengthened 118m length – piling 1014t / concrete 420m³ / rock fill 40,000m³

  • Inner pier structure 166m length, 32.6m wide – piling 3040t / concrete 580m³

  • Concrete surfacing for use by heavy lift cranes – concrete 1,000m³

  • Dredging of outer bed rock to -9.0m CD; inner berth -7.5m CD – Dredge volume 84,000m³

KEY FEATURES

Re-use of existing finger pier to save cost and carbon footprint.

Building of new piers from existing structures to save construction cost and remove the need to use floating plant;  Services installed for future tank farm.

CONTRACTORS

Project Manager – Wallace Stone

Main Contractor – RJ McLeod (Contractors) Ltd