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external lighting LPD contribution to percentage energy savings

CS-2009 EAc1: Optimize Energy Performance
posted by Puteri Shireen Jahnkassim on Feb 11, 2012, 11:54 am

Hello there

What does this mean :

Ensure that no credit is taken in the proposed case for lighting reduction on tradable surfaces"

Does this mean if the...

Last reply: Marcus Sheffer, Feb 13, 2012, 9:35 am

tenant work: fan coils

CS-2009 EAc1: Optimize Energy Performance
posted by Johannes Gellrich on Jan 17, 2012, 11:33 am

Hello all, I'm working on a C&S project. The whole building is already leased to one client, who wants to use one half as laboratories and the other as offices.
For the ventilation of...

Last reply: Marcus Sheffer, Jan 19, 2012, 11:50 am

Carpark and definition of GFA

CS-2009 EAc1: Optimize Energy Performance
posted by Puteri Shireen Jahnkassim on Jan 15, 2012, 9:19 pm

Dear Sir/Madam

We are certifying a large retail mall which have a large carpark block ( five levels). Some energy efficiency measures is present in the carpark block such as daylight...

Last reply: Marcus Sheffer, Jan 16, 2012, 10:11 am

Tenant leases, credit for upgrades other than LPD reduction?

CS-2009 EAc1: Optimize Energy Performance
posted by Dan LeBlanc on Jan 15, 2012, 9:15 pm

Has anyone been successful in claiming savings in tenant spaces for anything other then lighting power reductions? Demand controlled ventilation, daylight sensors or plug load reductions perhaps...

Back up Energy source in Energy Modeling

CS-2009 EAc1: Optimize Energy Performance
posted by Paula Hernandez on Sep 2, 2011, 3:00 pm

I have an office building that will use solar pannels to generate hot sanitary water. But it will have an electric heaters aswell for back up. How can I consider this in my Model???.

Last reply: Marcus Sheffer, Oct 19, 2011, 1:10 pm

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

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

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

airflow limitation of lab spaces during unoccupied periods

CS-2009 EAc1: Optimize Energy Performance
posted by heinrich post on Sep 9, 2011, 10:38 am

According to Ashrae 90.1-2007 G3.1.1.d there should be a fan flow limitation for lab spaces in the baseline model during unoccupied hours.
"For Lab spaces with a minimum of 5000 cfm of...

Last reply: Ante Vulin, Sep 28, 2011, 4:18 pm

Landscape lighting

CS-2009 EAc1: Optimize Energy Performance
posted by Julien Daclin on Sep 14, 2011, 3:30 am

Appendix G (Table 3.1) states that lighting power for building facades has to be modeled in the energy simulation. However, it is not clear if landscape lighting should also be taken into account...

Last reply: Susann Geithner, Sep 14, 2011, 9:17 am