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More fresh air means healthier buildings
More fresh air means healthier buildings. Building on IEQp1: Minimum Indoor Air Quality Performance, this credit calls for exceeding by 30% the minimum outside air requirements set by ASHRAE 62.1-2007. Our indoor environments are burdened by carbon dioxide produced by occupants and by off-gassing of construction materials and furnishings. These conditions can cause fatigue and contribute to occupant health problems. Increased ventilation is one way to mitigate these problems.
There may be some tradeoffs
Your mechanical system may already be designed to accommodate increased ventilation, but in other cases, this credit may represent a tradeoff in energy consumption (conditioning more air along with increased fan power to distribute it), and may reduce...
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2 Comments
Increase Ventilation - Corridor
Hi,
we intend to attempt this credit, but come across on our design that we does not have any dedicated FCU serving on this corridor. the corridor is a simple walkway for employees walk over to a customer lounge to meet up with client. the corridor is just 15 feet long. do i need to ensure this particular corridor have sufficient OA as to achieve this credit requirement.? the lobby or customer lounge connected by the walk way has sufficient OA (with a dedicated FCU serving this area) but by adding in the corridor SF, the whole required CFM increase. Please advice.
I've included corridors within the "office space" designation in my ventilation calculations. We may not be specifically supplying air to every corridor however we have accounted for the floor area within the ventilation calc.
the LEED reviewers have not flagged me . . .yet
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