“The Building Research Establishment's (BRE) annual energy consumption guideline for low-energy mixed-mode offices is 175 kWh/sq. m. It is anticipated that Swiss Re's new building will surpass this figure by up to 25 kWh/sq. m in its optimal low energy configuration.” (Swiss-re website)
In plan the light wells appear by cutting out sections out of the floor space. Each floor level ends up looking like an open hand with fingers spread open. The plan is rotated in every level thus generating the spiral shape as the void is created by the addition of floors. Light will reach deep in the building and there will be vertical spatial continuity. >>>
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