OBAN NLB DEPOT MODERNISATION

PROJECT DESCRIPTION

Modernisation of the NLB Depot at Oban to create substantial new hard standing areas, increased berthing for NLB maintenance vessels, with construction of a new storage/ workshop building, access improvements and refurbishment of an existing listed building.

Client – RJ McLeod for Northern Lighthouse Board

Completed – 2002

Value – £1.0m

AREAS OF RESPONSIBILITY

Detailed design of marine works including piling, flat slab reinforced concrete deck, rock fill, rock armouring and fendering. Design of new storage/workshop building foundations and hard standing areas.

PRINCIPAL ELEMENTS

• Rock fill – 23000 m³
• Marine deck piling – 175 t
• Concrete deck – 645 m³
• Concrete hard standing – 3750 m²
• Rock armouring 4100 m³
• Building foundation piling – 22 t
• Concrete building foundations – 720 m²

KEY FEATURES

Preparation of Alternative Design to secure contract and achieve significant cost saving for Client. Detailed soils analysis and monitoring to permit replacement of significant areas of piled deck with rock armoured fill. Extension of existing berthing quay with reinforced concrete flat slab supported on tubular steel piles. Foundation for buoy refurbishment building comprising concrete beams on steel bearing piles

CONTRACTORS

Main Contractor – RJ McLeod (Contractors) Ltd

Piling – Harbour & General