[Equest-users] User Expression for Infiltration Neutral Zone Height

Melissa Crowe MCrowe at cmta.com
Tue Mar 17 07:13:07 PDT 2020

Hi All

Help please, I am struggling with User Expression that calculates the Neutral Zone Height for high rise infiltration. It's something like:

((Parent("Z")-0)+Local("Height")/2)*-1+(BH/2 - BG)

BH = Building Height
BG = Total of Below Grade FL to FL Height

Also the default expression includes  a switch statement.  I don't thin I need a switch statement, so how is it formatted?

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Thank you

[cid:image003.png at 01D5FC44.8B3B4270]
Melissa Crowe, LEED AP, BEMP
Senior Mechanical/Energy Engineer

[cid:image001.jpg at 01D5FC3E.6F425E10]

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