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| Costs | |
| Total cost: | £1.82 million |
| Building services total: | £465 522 |
| Total net cost (£/m2): | 802 |
| Mech services cost £/m2: | nfa £103.66 |
| Electrical services £/m2: | nfa £101.69 |
| Specification and details | |
| Engineering data | |
| Net usable area: | 2267 m2 |
| Plant rooms: | 90 m2 |
| Computer suite: | 538 m2 |
| Amenity & dining: | 769 m2 |
| Atria: | 287 m2 |
| Contract details | |
| Tender date: | 25 October 1999 |
| Tender system: | Open tender |
| Form of contract: | Domestic sub-contract |
| Contract period: | 52 weeks |
| Was NES used on this project?: | Yes |
| External design conditions | |
| Winter: | -3°C/Sat |
| Summer (a/c): | 26°C db, 19°C wb |
| Internal design conditions | |
| Winter: | 18-20°C min |
| Summer (non a/c): | 24-26°C |
| Summer (a/c): | 22 ±2°C 45-55% rh |
| Circulation & toilets: | 16°C min |
| U-Values (W/m2K) | |
| Walls: | 0·25 south 0·35 elsewhere |
| Floor: | 0·45 |
| Roof: | 0·25 |
| Glazing: | 3·2 |
| Structural details | |
| Slab thickness: | 200 mm approx |
| Clear floor void: | 250-400 mm (sub-basement only) |
| Floor to ceiling: | 3000 mm |
| Ceiling zone: | 500 mm |
| Net services zone: | 300 mm |
| Noise levels | |
| Offices: | 35 NR |
| Target energy use (gfa) | |
| Gas: | 81 kWh/m2/y |
| Electricity: | 63 kWh/m2/y |
| CO2 target: | 48·2 kg/m2/y |
| Typical occupied hours: | 9am – 6pm, distance learning 24hrs |
| BREEAM: | No |
| Loads | |
| Calculated heating load: | 300 kW |
| Installed heating load: | 300 kW |
| Calculated cooling load: | 50 kW |
| Lighting: | 15 W/m2 |
| Installed lighting: | 15 W/m2 |
| Ventilation | |
| Scheduled supply air temp: | 19°C |
| Max recirculation: | 50% on AHU |
| Filtration EU category: | EU7 |
| Primary air volumes | |
| ahus at: | 4·7 m3/s |
| Catering: | 2·15 m3/s |
| Distribution circuits | |
| LTHW: | 82°C flow, 71°C return |
| DHWS: | 60°C flow |
| Constant temp: | 82/71°C |
| Chilled water: | 6/12°C |
| Refrigerant: | R134a |
| Chillers: | 50 kW |
| Electrical supply | |
| kVA transformers: | Link to site switchboard |
| Lighting | |
| Types: | T5 fluorescent/Compact fluorescent/T8 fluorescent |
| Lighting load: | 34 kW |