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LEED Pressure Adjustment for Lab HVAC-Systems

CS-2009 EAc1: Optimize Energy Performance
posted by heinrich post on Sep 15, 2011, 10:26 am

Seems that some of my questions are not easy to answer.
Here is another question for the same lab project.

Fan system Power limitations are calculated according to Table 6.5.3.1.1A...

Last reply: Marcus Sheffer, Oct 19, 2011, 1:07 pm

Site boundary for light pollution credit

NC-2009 SSc8: Light Pollution Reduction
posted by Petra Hajná on Oct 19, 2011, 12:29 pm

For this particular credit there is an exemption on how to determine site boundary for zero lot line buildings, that you can use a curb line along the walls instead of normal site boundary as for...

modelling of tenant areas in a core and shell LEED project

CS-2009 EAc1: Optimize Energy Performance
posted by Puteri Shireen Jahnkassim on Oct 19, 2011, 10:32 am

Dear All, My question refers to the LEED Core and Shell modelling guidelines in Appendix 2 of the LEED BD&C guide.

Under the subheading 'tenant spaces' it states that ...'... if the...

Last reply: Marcus Sheffer, Oct 19, 2011, 12:27 pm

Existing Equipment

CI-2009 EAc1.4: Optimize energy performance - equipment and appliances
posted by Eszter Gulacsy on Aug 12, 2010, 7:13 am

In our project, we are relocating a lot of IT equipment from another office, some of which is a few years old. From previous comments I'm not sure if I need to include these in the calculation...

Last reply: Luis Miguel Diazgranados, Oct 19, 2011, 12:24 pm

Streets vs. Alleys vs. Paseos

General forums
posted by Daniel Costantino on Sep 12, 2011, 12:31 pm

Hi! I'm working on a project that includes a large number of "pedestrian streets" and I can't seem to categorize them in a consistent way with respect to the various LEED ND prerequisites and...

Last reply: Daniel Costantino, Oct 19, 2011, 12:04 pm

Campuses & Multiple Bldgs-Part 2 guidance coming by end of Oct.

LEED Guidance for Campuses and Multiple Buildings
posted by Nadav Malin on Oct 19, 2011, 11:49 am

Got this update forwarded from a USGBC rep:
"The updated guidance including group certification (what was Part 2) will be out at the end of October. However, we won't be able to certify...

MPR, GFA and energy modelling

CS-2009 EAc1: Optimize Energy Performance
posted by Puteri Shireen Jahnkassim on Oct 19, 2011, 9:26 am

Dear All,

In the LEED MPR, it states that carpark areas cannot be part of the calculated GFA of a project submitting for LEED. I have submitting a building with a very large multilevel...

Last reply: Marcus Sheffer, Oct 19, 2011, 10:10 am

Process Costs Tables for C&S

CS-2009 EAp2: Minimum Energy Performance
posted by Maya Karkour on Oct 19, 2011, 9:12 am

Dear all,

I am modeling a C&S project (large shopping mall).

For the process loads, I am using:
- For the Core Areas: ASHRAE 90.1 User's Manual - Page G32 - Table G-B...

Last reply: Marcus Sheffer, Oct 19, 2011, 10:03 am

an update from February 2011

CI-2009 IEQc5: Indoor Chemical and Pollutant Source Control
posted by Seonhee Kim on Apr 6, 2011, 3:03 pm

This is the updated portion of IEQ c5.

In mechanically ventilated buildings, each ventilations systems that supplies outdoor air shall comply with the following:
o Particle filters...

Last reply: Dylan Connelly, Oct 18, 2011, 6:38 pm

Exhaust Rate of at least 0.5cfm/sq.ft

NC-2009 IEQc5: Indoor Chemical and Pollutant Source Control
posted by Maya Karkour on Aug 1, 2011, 9:03 am

Hi All,

Assuming that one of the hazardous chemical area also has a fresh air supply (in addition to the exhaust), how do we determine if the min exhaust rate (0.5cfm/sq.ft) is achieved...

Last reply: Dylan Connelly, Oct 18, 2011, 6:29 pm