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distance from building openings

NC-2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
posted by Emmanuel Pauwels on May 3, 2010, 12:35 pm

If a dedicated smoking area is on the rooftop of a buildng and there is an operable window on the floor below, does the distance between the smoking zone and the window has to be 25 feet? (or...

Last reply: Tristan Roberts, May 3, 2010, 1:50 pm

Modelling a project with 3 buildings

CS-2009 EAc1: Optimize Energy Performance
posted by Maya Karkour on Apr 30, 2010, 10:39 am

We need to undertake the Whole Building Simulation option for a school project which consists of 3 buildings on the same site - and part of the same LEED certification. The buildings...

Last reply: Tristan Roberts, May 3, 2010, 1:36 pm

Confused by VOC limits for paint?

CI-2009 IEQc4.2: Low-emitting materials - paints and coatings
posted by David Posada on Apr 30, 2010, 2:40 pm

For non-flat paint, is it 150? 100? 50? GS-11-1993 or 2008? Current Limit or Effective Date?

You might get any these answers when referring to the Rating System or Reference guide credit...

Dealing with CFCs

EBOM-2009 EAc5: Enhanced Refrigerant Management
posted by Reynaldo Castro on Apr 29, 2010, 9:07 pm

I have York Chillers which are used very rarely and only under extreme hot weather conditions, requiring additional cooling.

Unfortunately these Chillers still use R-11 CFC Refrigerant....

Last reply: Chris Nixon, Apr 30, 2010, 8:00 am

LEED for HOMES Scope

General forums
posted by Antonia Tsobanoudis on Apr 29, 2010, 2:37 pm

I agree with Tristan: LEED for Homes is not applicable if the units (or the building) do not have bathrooms or kitchen facilities. If the building has a central kitchen accessible to the...

AHU Filters

NC-2009 IEQc3.1: Construction IAQ management plan - during construction
posted by Amruta Kshemkalyani on Apr 25, 2010, 12:53 am


we are MEP contractors in Abu Dhabi, working on LEED project.
In specifications all AHUs are given 2 sets of disposable filters, prefilter (panel) & main (bag) filter. We are...

Last reply: Tristan Roberts, Apr 29, 2010, 11:12 am

30% Increased ventilation issues

NC-2009 IEQp1: Minimum indoor air quality performance
posted by W. Edward Locke, CSI-CIAQP-M.SAME on Apr 23, 2010, 2:03 pm

The 30% increase in ventilation above ASHRAE 62.1-2007 is a good idea in dry climates. Our issuse is that we have several projects that are seeking LEED Silver with client (GSA) demanding the...

Last reply: Roger Chang, Apr 29, 2010, 9:17 am

LEED Rating System Selection Policy

General forums
posted by Tristan Roberts on Apr 28, 2010, 10:51 pm

I assume you've also checked out the USGBC's LEED rating system selection policy, which can be found here?
While I don't...

Extraction Locations

NC-2009 MRc5: Regional Materials
posted by Robin Kelley on Apr 26, 2010, 9:26 am

I am having difficulty getting extraction locations for materials used in roofing assemblys. Most suppliers submit this information as being unavailable due to various locations or unknown...

Last reply: Tristan Roberts, Apr 28, 2010, 10:08 pm

Green Label Plus, FloorScore and Option 2

CI-2009 IEQc4.3: Low-emitting materials - flooring systems
posted by DOUG VAN ETTEN on Apr 27, 2010, 12:18 pm

Are you able to clarify the meaning of Option 2 and its relation to the footnotes in the credit guide?

- Option 2 prescribes compliance with the "requirements of the California...

Last reply: Tristan Roberts, Apr 28, 2010, 4:27 pm