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CBECS data (in lieu of energy simulation)

NC-2009 EAc6: Green Power
posted by Leandro Silva on May 3, 2010, 4:16 pm

Hi all!
Is anyone familiar with using option 2 for estimating baseline energy use for EAc6 Green Power?
I have the link that takes me to the website but there are so many different...

Last reply: Marcus Sheffer, May 3, 2010, 6:12 pm

Air Quality Testing

NC-2009 IEQc3.2: Construction IAQ management plan - before occupancy
posted by April Ambrose on Apr 21, 2010, 5:29 pm

I'm having difficulty determining the best way to proceed in regards to utilizing the Air Quality Testing option to fulfill the requirements for this credit. This seems to be the most cost...

Last reply: Shillpa Singh, May 3, 2010, 5:14 pm

Refrigerant quantities as a % of the overall project equip.????

NC-2009 EAp3: Fundamental Refrigerant Management
posted by sara frye on Mar 15, 2010, 10:04 am

Our review of EAp3 (v2.2) has asked for a narrative that includes the refrigerant quantities as a percentage of the overall project equipment. Can anyone help us determine what they are asking...

Last reply: Shillpa Singh, May 3, 2010, 5:11 pm

refrigerant R417 A

NC-2009 EAc4: Enhanced Refrigerant Management
posted by gustavo goldman on May 3, 2010, 11:38 am

Is this possible, to use R417 A in replacement for the R22?
Does it comply with EAC4? I don't see it as a possible refrigerant in the list provided by LEED.

Last reply: Tristan Roberts, May 3, 2010, 1:56 pm

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

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