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CI-v4 WEp1:Indoor water use reduction

Average daily visitors calculation

Hi,

I’m working on a ID+C commercial interior project (V4) that consists primarily of transforming the interior of a base building into a center that combines the functions of a library, cultural center, and social and community spaces.

I’m not sure what would be the best way to estimate the average daily visitors. In the Functional and Technical Program, I have access to a summary table of areas. Also, some space as a define number of seats. No occupancy number is precise.

Would that be the right way to proceed to take the number of seats and assumed that it is the number of occupants for those spaces and calculate the balance (for the other rooms) with the Default occupant density from ASHRAE 62.1-2010, Table 6-1 ?

Thank you,

Emilie

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Profile picture for user bigm333
emily reese moody
Sustainability Director, Certifications & Compliance
Jacobs
LEEDuser Expert
469 thumbs up

Fri, 04/09/2021 - 06:44

This one will be tricky to determine on your own. For my projects, I rely on the client to define what they anticipate for operations, both for their staff (FTEs/PTEs), average visitors, and peak visitors, too, such as for events. I provide a simple excel form for them to populate and return.  Only other thing I can suggest (and recently responded to another post similarly) is to get with the Arch team and see how they're determining the proper number of restroom fixtures, which will also be based on a more standard justification of average people in the facility at a time.

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