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Typical tender return costs
Pile type	Pile length (m)	Diameter (mm)	Pile cost (£)
Independent cast in-situ reinforced concrete, bored	10	500	415-440
听	15	300	210-260
听	15	350	290-310
听	17	450	430-460
听	20	350	390-440
听	20	450	650-730
听	30	750	1,600-1,825
听	35	1000	7,300-7,800
Secant reinforced concrete wall, bored	20	800	1,975-2,200
听	20	600	1,800-2,100
Pre-cast concrete driven piles	8	450	260-290
听	15	340	220-340
听	15	380	340-365
听	15	430	490-520
Notes: Costs assume the placement of in excess of 100 piles. Costs exclude main contractors’ preliminaries, overhead and profit and contingencies. Cost current at 1st quarter 2007

All-in estimating rates for C40 on a typical concrete-framed building
C40 concrete	£/m3
Flat slab	130-145
Concrete on metal decking	130-145
Columns	155-165
Beams	150-155
Walls	145-155

Typical costs for basic finish formwork
Formwork	£/m2
Soffit of slabs	40-45
Walls	45-55
Beams	45-55
Columns	45-80

Typical structural steelwork unit rates/tonne
Item	Location	Unit rate/tonne (£)
Industrial building (Process eng, little repetition of design)	London	2,180
Distribution/storage building (large span/trusses)	London	1,790
Retail building (town centre)	London	1,964
Office building	London	1,617
Industrial building (Process eng, little repetition of design)	Provincial	1,964
Distribution/storage building (large span/trusses)	Provincial	1,617
Retail building (town centre)	Provincial	1,848
Office building	Provincial	1,444
Note: The above rates are based on projects with more than 500 tonnes of structural steelwork; projects of less than 500 tonnes may attract a cost premium of 5% or more. The above costs assume that the structural steelwork contractor will provide their own craneage on all of the projects except the office buildings, where a tower crane provided by the main contractor is more likely