Low Energy Building Design. Critique 2. Adam Boney , Fraser Cassels , Marc Breslin and Nick Burns. Our Design. 1 st Floor. Construction method: Timber Framing. Required minimal energy to process material Carbon neutral material
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Adam Boney, Fraser Cassels, Marc Breslin and Nick Burns
Insulation : 2 possibilities
U value target : 0.1 – 0.15 W/m K
Diagram above shows main sources of draughts.
Average use = 182,000L/year
1. Rainwater harvesting:
Model agreements for sustainable water systems; CIRIA, 2004
Sediment pre-filtration Carbon or multimedia fibre UV sterilization
Underground Above ground
Roof area = Width x Length of roof = 152.29m2
Run-off coefficient = 0.75 for pitched roof
Filter efficiency = 85% (A conservative estimate- example calculations typically gave efficiency as 90+%)
Rainwater yield (Litres/year) = Roof area (m2) x Annual rainfall (mm) x Run-off coefficient x Filter efficiency
Rainwater yield = 118,443L/year