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Shell and core installation
Main plant controls; two 96 point controllers in the main motor control panel with 180 points connected; display panel and modem Item @ £10,200£10,200

£1.02/m² (gia)
£1.42/m² (nla)
Single form, 2 wardrobe type motor control panel with feeds and drives for 3 boilers, 3 supply fans, 4 extract fans, lthw and chw primary and secondary pumps, lthw and chw pressurisation units (all drives single speed, no inverters); meters to main plant Item @ £12,700£12,700
£1.27/m² (gia)
£1.76/m² (nla)
Associated sensors, valves and actuators for the main plant Item @ £6,000£6,000
£0.60/m² (gia)
£0.83/m² (nla)
System programming; desk top pc and peripherals; graphical interface to represent the points connected to the system; building main menu Items @ £7,500£7,500
£0.75/m² (gia)
£1.04/m² (nla)
Project management, strategy design, commissioning, documentation and two days on site training Item @ £18,000£18,000
£1.80/m² (gia)
£2.50/m² (nla)
Installation of controls and power wiring from the MCC to main plant; containment; controls backbone terminated in risers on each floor; meters to tenant floors Items @ £50,600£50,600
£5.06/m² (gia)
£7.03/m² (nla)
Total shell and core cost£105,000
£10.50/m² (gia)
£14.58/m² (nla)
Category A fit-out
To serve the 250 fan coil units LON based controllers with return air sensors, heating and cooling valves 250 @ £240£60,000
£6.00/ m² (gia)
£8.33/ m² (nla)
Electrical & IT network installation associated with the fan coil unit controllers, connection to a local fused connection unit (mains supply to unit by others); dedicated on-floor network 250 @ £115£28,750
£2.88/ m² (gia)
£3.99/ m² (nla)
Total category A fit-out£88,750
£8.88/ m² (gia)
£12.32/ m² (nla)
Total BMS cost £193,750
£19.38/ m² (gia)
£26.90/ m² (nla)
Category B fit-out
ÌýThe following elements are some of the more common category B items, but they will vary based on specific tenant requirements
Local control to cellular officesÌý
ÌýUpgrading return air sensor on fan coil unit to space sensor with set point adjustment
ÌýAdd £165 per sensorÌý
Upgrade cooling loads to meeting, telecom and computer roomsÌý
Monitoring and control of upgraded cooling loads with packaged vrf unitsÌý
Add £1200 per vrf unit (includes local unit controller)Ìý
Add £600 per vrf unit (connect to existing controller)Ìý
Executive kitchenÌý
Add monitoring and control of ventilation (motor starters supplied and wired with equipment)
Add £1200 (includes local unit controller)Ìý
Add £600 (connect to existing controller)Ìý
Indicative building management system costsÌý
Office development (finished to category A fit-out standard)Ìý
Full air conditioning, fan coil£20-30/m² (gia)
Full air conditioning, chilled ceiling/beam£20-30/m² (gia)
Full air conditioning, vav£15-25/m² (gia)
Full air conditioning, vrv £10-20/m² (gia)
ExclusionsÌý
Power supply wiring to the main motor control panelÌý
Pulsed output electricity metersÌý
Installation of valves and pipework pocketsÌý
Builders work in connection with the BMS installationÌý
Site organisation and management costs (other than specialist contractors’ allowances)
Contingency/design reserveÌý
Main contractor’s overhead and profit or management feeÌý
Professional feesÌý
Tax allowancesÌý
Value Added taxÌý
Inflation beyond fourth quarter 2003Ìý
Acknowledgments: Mott Green Wall would like to thank Colledge Trundle and Hall Limited (A Trend Technology Centre) for their assistance in preparing this cost model.