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Lighting power densities for building exteriors

CS-2009 EAp2:Minimum Energy Performance
posted by  Rosana Correa  on 

The maximum power allowance for building façades is 2.2 W/m2 for each illuminated wall or surface.

1
Thu Jul 26, 2012, 4:24 pm

Process Loads

CS-2009 EAp2:Minimum Energy Performance
posted by  Rodrigo Vazquez  on 

We are working on a project in Mexico City, to comply with the prerequisite 2 we are following Option 1, whole building energy simulation. In the first simulation we´d done of the energy model we c

1
Tue May 27, 2014, 4:11 pm

Lighting Building Area method

CS-2009 EAp2:Minimum Energy Performance
posted by  Pia Öhrling  on 

If the building is an office building with a small part retail and restaurant how should the areas be calculated for lighting when using the Building Area method?? The space usage types listed in P

1
Fri Oct 31, 2014, 6:55 pm

Calculating "Projection Factor" for curtainwall shading devices

CS-2009 EAp2:Minimum Energy Performance
posted by  Amit Ahiel  on 

I'm working on a project where part of the curtain wall has a few random horizontal elements that project from the vision panels from floor to ceiling. These elements provide shading and therefor

0

ASHRAE Table 6.8.1 Centrifugal Chillers

CS-2009 EAp2:Minimum Energy Performance
posted by  Redy Truccolo  on 

Hi, in the table 6.8.1J of ASHRAE 90.1 there is a "condenser Flow rate" parameter, expressed in gpm/ton. My question is: to calculate this parameter do I have to use the nominal refrigeration powe

1
Thu Aug 11, 2011, 5:06 pm

Modeling Number of Occupants - Which Standard?

CS-2009 EAp2:Minimum Energy Performance
posted by  Thomas Newbold  on 

I am new to LEED modeling and I'm trying to figure out which occupancy information is correct. The building contains retail space.

1
Fri Aug 2, 2013, 5:56 pm

Record Time for ASHRAE appx G Simulation?

CS-2009 EAp2:Minimum Energy Performance
posted by  Jean Marais  on 

What's your record time? What software did you use?

1
Sat Oct 1, 2011, 12:04 am

EAp2 Sample L4 Narrative

CS-2009 EAp2:Minimum Energy Performance
posted by  Thomas Newbold  on 

Are there any sample narratives available on LEEDUser to satisfy Upload L-4? "Provide a detailed narrative describing the intended credit Files: approach, including energy efficiency measures that

0

Vestibules for conditioned buildings

CS-2009 EAp2:Minimum Energy Performance
posted by  Julio Alvarado  on 

We have a CS project, climatized, on which the client is insisting we should not have entrance vestibules, which to my understanding is mandatory under ASHRAE 90.1.

1
Mon Jan 9, 2012, 4:46 pm

ACP % calculation

CS-2009 EAp2:Minimum Energy Performance
posted by  Charalampos Giannikopoulos  on 

For the calculation of the % of energy cost influenced or directly controlled by CS Owner/Developer would the the latter be compared to the total energy cost of the proposed and not the baseline bu

1
Tue Jul 19, 2016, 3:50 pm