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There are a few spaces in my project that can’t meet these requirements. Can’t I just exclude them?

ASHRAE-55 comfort criteria ask for space air speed. Is this the same as the supply air volume measured in cubic feet per minute (CFM)?


What should I do about a warehouse space?

How can thermal conditions for areas with metabolic rates outside of 1.0–1.3 be determined? (Per ASHRAE Standard 55-2004 Section 5.2.1.1, Figure 5.2.1.1 can be used for areas with metabolic rates between 1.0 and 1.3).

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NC-2009 IEQc7.1:Thermal Comfort—Design

MET Rates

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SAMY Chamy
Enginneer
T&T Green
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1.What is a MET rate for Sewing machine workers (Jeans cloth stitching) 2.Is it acceptable to get this credit using Design alternative (HVLS Fans or Evaporative Cooler) 3.How we achieve this credit for ventilated Office spaces (MET - 1)

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Mon, 01/25/2016 - 15:41

1. Probably between 1.2 and 2.0, depending on whether they are seated or standing. Look at ASHRAE 55 Appendix A for a good table of MET rates. Pick the one that most closely fits. 2. If the comfort conditions can be met, the technology does not matter. 3. You need to be able to show that space conditions fall within the comfort zone. Not sure what you are asking exactly - read the tips above.

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