ABSTRACT
Substructure 2,996,600 140.69 ▪ Break out existing slabs, piles, obstructions and
allowance for probing/testing; dewatering item 450,000
▪ Foundations; bored piles with under-ream; ground beams; pile caps
1,940 m² 350
▪ Piling platform; mini piles and other works to boundary walls
item 190,000
▪ RC basement slab 300mm thick, including waterproofing, excavation and disposal
1,940 m² 180
▪ RC mat slab 1200mm thick, including waterproofing, excavation and disposal
200 m² 460
▪ Reinforced concrete retaining walls 300mm thick 600 m² 300 ▪ Reinforced concrete ground floor slab 130mmm
thick on profiled metal sheet decking 1,760 m² 65
▪ Allowance for car park ramp, slab thickenings to stair foundations, lift/escalator pits, drainage channels, concrete transfer walls etc.
