
STORNOWAY DEEP WATER PORT
PROJECT DESCRIPTION
Multi-purpose deepwater port, comprising main berth with minimum 10m water depth; linkspan berth with minimum 8m water depth; 6 hectares of laydown area; link road to nearby fabrication facility; heavy duty dolphin to extend main berth; mooring buoys to serve the longest vessels (up to 400m).
Client – Stornoway Port Authority
Completion – 2023/4
Value – £65 million
AREAS OF RESPONSIBILITY
Concept design; ground investigation; boreholes; layout design balancing volume of reclamation material with dredged seabed deposits and blasted rock in forming accesses; obtaining marine consents; environmental management; obtaining tenders; project management; site supervision.
PRINCIPAL ELEMENTS
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Main quay 200m
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Linkspan quay 140m
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Blasted rock in reclamation 850,000t
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Dredged material in reclamation 900,000t
- Steel piling and fabrications 11,000t
- Concrete capping units 400m³
- Concrete in dolphin cap and ground slabs, bases 1,500m³
- Linkspan for freight ferry 250t capacity
- Services – electricity, water, CCTV, internet
- Welfare cabin with services and controls
- Heavy duty fendering and bollards
- Removal of two shipwrecks from seabed
KEY FEATURES
Economical use of dredged material and rock blasted to make access road and link road in forming reclamation thus minimising transport emissions; will accommodate the largest cruise ships currently operating, and all renewables delivery vessels; will serve a new dedicated freight ferry, allowing extra car ferry crossings; will facilitate future relocation of oil depot out of town centre; will provide deep water access for large scale projects at adjacent Arnish fabrication facility; innovative removal of shipwreck, working from the surface.
CONTRACTORS
Project Manager – Wallace Stone
Main Contractor – MacLaughlin & Harvey
Earthworks subcontractor – Breedons
Blasting subcontractor – BAM Ritchies
Dredging subcontractor – Boskalis
Marine Plant subcontractor – Leask Marine
Wreck removal subcontractor – Leask Marine
Environmental management – Affric Environmental
CP – Ocean Kinetics/Corrosion Prevention