BWS-6_P8

STAGE 1: Commence exca- vation, sink diaphragm wall and 12 No. cylinder piles. Concrete diaphragm walls and cylinder piles. STAGE 2: Cast columns
on piles. Excavate within diaphragm wall, construct slab and commence casting core walls. STAGE 3: Core in progress. cast perimeter section of intermediate basement slab (supported on ring of temporary piles) to strut diaphragm walls. STAGE 4: Core in progress. Complete excavation and cast remainder of raft and walls. STAGE 5: Tower foundation complete. Steelwork ereted from the top. Upper floors cast while lower steelwork is being erected.