BG&E provided full engineering design services for a Subsea Maintenance Facility (SMF) for a leading global natural resources production company.

The facility delivers specialist subsea services, including industry leading inspection, repair, and maintenance solutions for subsea modules and supporting infrastructure.

BG&E’s role

• Feasibility
• Seismic study and
• Flood risk
• Value
• Inground services
• Civil and structural
• Building

The SMF features a pressurised main workshop with tight humidity and temperature control with 300 tonne lifting capacity – utilising four 75 tonne synchronised quad lifting gantry cranes. It also includes external campaign and storage areas (with a ground floor area of approximately 6000 square metres), along with administration facilities, tooling workshops, dangerous goods storage, and warehousing.

Structural facility design features include

• Deep foundation solution to reduce installation costs and construction
• Movement-resisting frame with a braced bay structure for an efficient combined lateral resistance
• Prefabricated structural elements to maximise program efficiency and safe construction.
• Full-height gable folding doors for SPMT and module
• 300kPa main workshop loading capacity for stooling and jacking.
• Optimised warehouse column for smart racking arrangement and flexible campaign

Civil facility design features include

• Balanced cut and fill of site and flood risk consideration for platform level determination, including tidal storm surge
• Efficient site planning for combined services network, parking, loading, and security zoning
• Proficient layout of sewerage and drainage network including location and design of stormwater management system.