Main benefits Main benefits Main benefits • Well proven and robust substructure option • Well suited to relatively shallow water locations • Very adaptable (size and height) and flexible for future expansion • Simple civil engineering/marine construction work OPEX reduction N/A. Production increase Flexibility for future expansion. CAPEX reduction Economical substructure option in relatively shallow water. HSE & Risk Large offshore construction manhours; Island footprint and construction work/material supply can be significant and needs to be carefully planned and controlled to minimize environmental impact.