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"Vertical chase" meaning

NC-2009 IEQp2:Environmental Tobacco Smoke (ETS) Control
posted by  Noriko Nagazumi  on 

The term "vertical chase" is present on the definition of "differential air pressure".

3
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Alok Negi
Krishna Metallurgical Laboratories
LEEDuser Basic Member
0 thumbs up
Thu Dec 4, 2025, 11:17 am
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Number of Units Required to be Sampled

NC-2009 IEQp2:Environmental Tobacco Smoke (ETS) Control
posted by  Abena Darden  on 

We are working on a high-rise residential project in San Francisco. I see a question relating to how many residential units need to be blower door tested dating from June 24 2014.

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Tamara Quiroz
Architect
Efizity
LEEDuser Basic Member
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Thu Dec 24, 2020, 7:57 pm
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LEED 2009 - Delaying Additional Smoking Room

NC-2009 IEQp2:Environmental Tobacco Smoke (ETS) Control
posted by  Tee Howard  on 

Dear everyone,

1
Fri Mar 5, 2021, 4:19 am
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IEQp2 – ETS Control: Tracer Gas Testing as an Alternative to Blower Door Testing

NC-2009 IEQp2:Environmental Tobacco Smoke (ETS) Control
posted by     on 

Hi, we are having issues passing our blower door tests and have been presented with the alternative compliance path below, does anyone have experience with this approach?

0

Signage at Campus Entrance vs. Building Entrance

NC-2009 IEQp2:Environmental Tobacco Smoke (ETS) Control
posted by  Joseph Snider  on 

We have a project where we have already been through one round of review.  Reviewer wants the signage, as expected.  The entire campus is no smoking and it says that when you drive on to

1
Fri Jan 17, 2020, 7:42 pm

No Smoking Signage changed after Design Review Submission

NC-2009 IEQp2:Environmental Tobacco Smoke (ETS) Control
posted by  Yifan Li  on 

Hi,

2
Fri Jul 26, 2019, 4:44 pm

Condo Building with EXTREMELY small units - around 400 sf

NC-2009 IEQp2:Environmental Tobacco Smoke (ETS) Control
posted by  Stacy Smedley  on 

We are performing blower door tests on a condo project with units as small as 400 sf.

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Signage required at all building entrances?

NC-2009 IEQp2:Environmental Tobacco Smoke (ETS) Control
posted by  Mike Fortier  on 

Hello, I'm working on a large building with over 20 separate entrances/exits that are adjacent to public sidewalks and plaza areas.

5
Tue Apr 30, 2019, 8:52 pm
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Not complying with Smoking ban

NC-2009 IEQp2:Environmental Tobacco Smoke (ETS) Control
posted by  Wioletta Simlat  on 

Hi all,

1
Mon Nov 26, 2018, 3:37 pm

Certification required to perform pressure differential test?

NC-2009 IEQp2:Environmental Tobacco Smoke (ETS) Control
posted by  Vanessa Nelson  on 

Is a certification required to perform the pressure differential test? I'm wondering if it needs to be done by a specialty testing company or can it be done by the Mechanical Sub?

1
Thu Nov 8, 2018, 11:30 pm