I am working on a building that has multiple floors that are completely stripped and wide open for new tenants to design the layout to. I am not sure if this is correct but I have calculated out the number of occupants according the to the total floor area and the ASHRAE 62.1 office space standards. As for entering critical zones in I do not know what to do. There are no walls and the whole floor is completely open. I would appreciate any assistance. Thank you.

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Ante Vulin

Sustainability Manager

YR&G

LEEDuser Basic Member

55 thumbs up

Wed, 02/20/2013 - 18:54

The "Reduced Occupancy Guidance" http://new.usgbc.org/resources/ebom-reduced-occupancy-guidance does allow you to calculate the required OA based on defaults. An approach that has been approved on some of my projects is to split the vacant area into a few zones and then enter the information into the 62MZ calculators, using typical values for Ez and Ds for AHUs on other floors.

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