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Technical iinformation
Farnborough Airport, Hampshire
Engineering data
Gross floor area
ground	595 m2
first floor	391 m2
sub-equipment level	50 m2
VCR	50 m2
Net usable area
ground	576 m2
first floor	365·4 m2
sub-equipment	26·3 m2
VCR	26 m2
Plant rooms	130 m2
Contract details
Tender date	August 2001
Form of contract	Two stage main contract, m&e traditional single stage
Contract period	December 2001 to January 2003
Was National Engineering Specification used on this project?	Yes
External design conditions
Winter	-5 °C, 90% rh
Summer (a/c)	28°C db, 20°C wb
Internal design conditions
Winter	21°C +/-2°C, 50% rh +/-20%
Summer (non a/c)	No control
Summer (a/c)	23°C +/-2°C, 50% rh +/-20%
Circulation and toilets	Winter 21°C +/-2°C
U-Values
Walls	0·27 W/m2K
Floor	0·35 W/m2K
Roof	0·29 W/m2K
Glazing	1·9 W/m2K
Structural details
Slab thickness	250 mm
Clear floor void	350 mm
Floor to ceiling	varies
Ceiling zone	varies
Net services zone:	250-300 mm
Live load	5 KN/m2
Dead load	1 KN/m2
Occupancy
Offices	one person/10 m2
Meeting room	12 persons
Noise levels
Offices	NR 30
Toilet and circulation	NR 40
External breakout limits	NR 50 1·5 m from louvre face
BREEAM rated?	NO
Ventilation
Scheduled supply air temperature	18°C
Room temperature	18°C minimum, 25°C maximum
Fresh air	12 litres/s/per person
Maximum recirculation	100% fresh air
Filtration	EU category EU5
Primary air volumes
AHUs at	1·555 m3/s supply
AHUs at	1·018 m3/s extract
Distribution circuits
LTHW	82°C flow, 71°C return
Refrigerant	R407c
Electrical supply
Transformers	500 kVA
UPS system	80 kVA
Standby power	380 kVA
Lux levels
Office	300-500
Conference	300-500
Toilets	150
Circulation areas	200-300
Lifts
Passenger	8 person, 1 m/s