Specialist cost update: Structures | Features

Piling costs
Pile type	Length (m)	Diameter (mm)	Pile cost (£)

Independent cast - insitu reinforced concrete, bored	10	500	436-462
	15	300	221-273
	15	350	304-326
	17	450	451-483
	20	350	409-462
	20	450	682-766
	30	750	1,680-1,916
	35	1,000	7,665-8,190
Secant reinforced concrete wall, bored	20	800	2,074-2,310
	20	600	1,890-2,205
Pre-cast concrete driven piles	8	450	273-304
	15	340	231-357
	15	380	357-383
	15	430	514-546
Costs assume in excess of 100 piles. Exclude main contractors’ preliminaries, overhead and profit and contingencies. Current at 1st quarter 2007.

Concrete frames - Concrete costs
£/m3	Flat slab	Concrete on metal decking	Columns	Beams	Walls
C40 Concrete	140-160	140-160	165-180	160-175	155-175

Concrete frames - framework costs
Typical costs are:
	Cost £/m2
Soffit of slabs	40-45
Walls	45-55
Beams	45-55
Columns	45-80

Structural steelwork - costs
Typical structural steelwork unit rates per tonne obtained from the survey, after adjusting to current day price in respect of the date of this publication, are below:
Standard beams and columns structural frames (Rate per tonne)
	London	Provincial
Office building	£1,700	£1,650
Distribution/storage (large span/trusses)	£1,770	£1,680
Retail (town centre)	£1,780	£1,690
Industrial building (process engineering, little repetition)	£1,900	£1,800

Extra over unit cost has to be added to the above if the following types of steel sections are used:
Rectangular / circular hollow sections:		£370-480
Plate girders		£430-540
Fabsec beams		£370-480

With intumescent paint
Should shop applied intumescent paint be required, the following average additional costs will apply:
1 hour fire protection		£27/m2 or £430/T
1.5 hour fire protection		£40/m2 or £610/T
2 hour fire protection		£42/m2 or £640/T