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I thought I would share some info we got on the
issues around "Green Library".
Both Architectural Alliance and Cesar Pelli &
Associates have in-house Sustainable Design specialists. and are LEED (Leader in
Energy and Environmental Design) certified. They have adopted "Minnesota
Sustainable Guildlines" for this building and are exploring:
- Utilizing the District Energy and Cooling
systems
- Working with Excel Energy Assets
program to achieve a low energy use
- Natural shading and low impact
landscaping
- Ventilation which heats and cools only the
lower seven feet of rooms with higher ceilings.
- The reuse of gray water
- Use of recycled building
materials
- Extensive use of natural lighting and
systems that turn off artificial lighting when sunlight is
available
- Use of an inner light shelf that will
bounce light into areas away from the window
- Using experts in materials to maximize
local and regonal material, recycled material, certified wood products, and
materials with low life cycle impact
- Air quality and occupancy
sensors
- Exterior with more clear glass on the north
and less on the south
- Low impact green planted roof and at
minimum the use of a light colored roof to reduce heat
- Recycled fly ash in the concrete
mix
- Concrete systems which will be a thermal
mass to help regulating heating and cooling
In addition, a goal of recycling a minimum of 80%
of the old building has been set.
I hope this helps folks understand what is being
discussed.
Carol Becker
Longfellow
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