[Bldg-sim] ASHRAE 90.2 Modelling for Estidama (Abu Dhabi)

Arpan Bakshi arpanbakshi at gmail.com
Tue Apr 26 06:09:18 PDT 2011


You are right, Estidama is still in a stage of infancy. When I work on  
an Estidama project I develop a baseline by identifying the climate to  
an ASHRAE climate zone based on the number of heating and cooling  
degree days. You can then make the case for ASHRAE climate zone 1  
efficiencies as the code compliance standard and governing minimum  

Arpan Bakshi, LEED AP BD+C
YRG sustainability

On Apr 26, 2011, at 7:30 AM, "Claire Das Bhaumik" <ClaireDasBhaumik at hoarelea.com 
 > wrote:

> I am carrying out modelling in support of an Estidama (PVRS v1.0)  
> assessment for a residential development in Abu Dhabi.
> Estidama uses the use the Energy cost method in section 8 of ASHRAE  
> 90.2. However, 90.2 requires the use of HVAC efficiencies in  
> accordance with federal law. There is currently no federal law  
> regarding efficiencies of HVAC in Abu Dhabi, although there is the  
> Abu Dhabi International Building code, which I believe is not yet  
> mandatory but does include minimum efficiencies.
> My questions are:
> What heating and cooling systems should be used in the baseline  
> (prescriptive) building?
> What ventilation system/ fan powers should be used in the baseline  
> (prescriptive) building?
> What should the COPs/ EERs/ efficiencies be for these systems?
> Thanks,
> Claire
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