Cost model: Off-site manufacture | Features

Package plant room
	OSM (£)	Conventional (£)
Enclosure	71,500	47,500
Heating plant; boilers, pumps, etc., total 600 kW	44,000	44,000
Chiller plant; chiller, pumps, external condenser, total 550kW	112,500	112,500
Pipework generally	91,000	109,000
Airhandling unit, extract components only	21,500	21,500
Gas installation	5,000	5,500
Crane hire	19,500	no extra cost
TOTAL	365,000	340,000

Services to four pipe fan coil units
	OSM (£)	Conventional (£)
Fabrication and delivery of multi-service modules	40,000	n/a
Heating and chilled water pipework	inc. above	14,000
Primary ductwork	31,000	31,000
Busbar/basket tray	7,500	7,500
On site labour	13,000	55,000
Access equipment	1,000	2,500
TOTAL	92,500	110,000
Costs at 4th quarter 2004 price levels based on a central London location. Costs are for the building services installation only and exclude builders’ work, main contractor’s preliminaries, overheads and profit, professional and statutory fees and VAT.

Modular operating theatre and recovery wards
	OSM (£/m2)	Conventional (£/m2)
Theatres & recovery wards
Enabling works	406	406
Theatre & recovery wards, complete	1,750	1,534
Interface with existing buildings	10	10
External services connections	67	67
Preliminaries	345	375
Contingencies	77	118
Allowance for construction inflation	n/a	50
Total construction costs	2,655	2,560
Costs at 4th quarter 2004 levels based on a Midlands location. Costs exclude decant and temporary accommodation, services interfaces with other buildings, equipment, professional fees, statutory fees and VAT.