Can I do prescriptive method of calculation for an open floor plan if the N+W glazing walls of the building have a Tvis of 38% and the South + East glazing walls have a Tvis of 56%?

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TODD REED

Energy Program Specialist

PA DMVA

LEEDuser Expert

626 thumbs up

Thu, 04/16/2015 - 18:20

Yes. Each façade will have its own daylight zone, so for that floor you will have N,S,E,W with their own determined daylight zone and you will use the corresponding VLT. Each façade gets it own line in the calculations. I would divide the floor area appropriately for each façade.

Marisa Britton

Sustainable Design Consulting, LLC

LEEDuser Basic Member

1 thumbs up

Thu, 04/16/2015 - 18:24

Thanks Todd. I'll give that a go.

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Open Floor Plan with different Tvis Values

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