[BLDG-SIM] Energy use for elevators

[Graham Carter & Megan Lyall]

Does it really matter that this end use is included if the Base Case  
vertical transportation energy use is the same as the Design Case?

On 25/07/2007, at 11:06 PM, Eric Yang wrote:

> It is from Table G-1 of the “User’s Manual of ASHRAE 90.1 2004”.    
> The schedule has a different percentage for each business hour. I  
> believe there have been several discussions on this topic, and you  
> can search in this mailing list.  Drury Crawley previously  
> recommended a white paper from ACEEE about the actual energy  
> consumptions of elevator usage. http://www.aceee.org/buildings/ 
> coml_equp/elevators.pdf   If you use Energyplus, the schedule is  
> already combined in its standard schedule library.
>
> Hope this helps.
>
> Eric
>
> From: BLDG-SIM at gard.com [mailto:BLDG-SIM at gard.com] On Behalf Of  
> Zhen Tian
> Sent: Tuesday, July 24, 2007 10:56 PM
> To: BLDG-SIM at gard.com
> Cc: BLDG-SIM at gard.com
> Subject: [BLDG-SIM] Energy use for elevators
>
>
>
> Eric,
>
>
>
> Thanks a lot for your reply.
>
>
>
> I have a further question. If we have the elevator power data, what  
> appropriate schedule should we use to approximately to get the  
> elevator annual energy use?
>
>
>
> I checked the ASHREAE Appendix G but cannot find appropriate  
> schedule for elevators.
>
> I think the schedule of elevators are quite diffent from other  
> schedules like occupancy scheule. One example, supposing people  
> work from 8am to 6pm continuously, I guess that elevator working  
> schedule should not be the same. Do you have any ideas what  
> appropriate schedule should we use?
>
>
>
> Thanks a lot.
>
>
>
> Regards,
>
>
>
> David
>
> Eric Yang <Eric.Yang at smithgroup.com> wrote:
>
> Yes, ASHRAE 90.1 Appendix G requires modeling elevator energy as  
> long as it is designed in the project. You can come up a realistic  
> schedule or stick to a standard schedule in Appendix G if necessary.
>
> Eric
> Smithgroup
>
>
> -----Original Message-----
> From: BLDG-SIM at gard.com on behalf of Zhen Tian
> Sent: Mon 7/23/2007 10:36 PM
> To: BLDG-SIM at gard.com
> Subject: [BLDG-SIM] Energy use for elevators
>
> Dear All,
>
> I have seen some messages these days asking the energy use of  
> elevators. But it seems that there is no very accurate way of  
> modeling annual lift energy use.
>
> If we need to simulate building energy use according to ASHRAE  
> 90.1-2004 for LEED accrediation in e-QUEST, do we need to simulate  
> elevator energy use or not? Is it a must do? Could somebody with  
> experience with this topic give me some hints?
>
> Thanks a lot in advance.
>
> Regards,
>
> David
>
>
>
>
>
>
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