[Equest-users] Data Center Modeling

[Ömer Moltay]

Dear All,

In addition, what is the baseline HVAC system for a data center? Is it 
again defined through Table G3.1.1A?

Thanks,

Ömer Moltay
Mimta

14.08.2012 22:57 tarihinde, Ömer Moltay yazdı:
> Dear Stormy,
>
> Thanks for the info. Is it the case that only the IT equipment power 
> is considered process energy? About 40% of the energy in a typical 
> data center is cooling energy. If the cooling energy is also 
> considered process energy, than you are absolutely right. However, if 
> this is regulated energy and the baseline model is built from Appendix 
> G requirements for cooling equipment, than I believe that there will 
> be some potential for energy savings. What do you think?
>
> Omer.
>
> 14.08.2012 22:50 tarihinde, Stormy L. Shanks yazdı:
>> Omer,
>>
>> Be careful with how you handle process energy in the LEED energy 
>> modeling for a data center. LEED requires that the process energy be 
>> modeled realistically and it has to be the same in the baseline and 
>> proposed models, unless you are making a case that you're doing 
>> something extraordinary to reduce process load. The server energy is 
>> typically a very large percentage of the total building energy usage 
>> in a data center, and it's considered process energy. So, it is 
>> difficult to save enough energy with envelope, HVAC, and lighting 
>> strategies to overcome that process energy to meet the minimum energy 
>> performance prerequisite. I think there may be some LEED CIRs related 
>> to data centers and process energy, so you might read up on those.
>>
>> In my experience, the LEED reviewers will not allow you to model the 
>> process energy in a data center as just 25% because that's much lower 
>> than what is realistic. I know there are a number of LEED certified 
>> data centers (I've been involved in a couple of them myself), so it's 
>> possible to get certification, but I would manage expectations 
>> carefully with your client.
>>
>> Maybe others have had different experiences. It seems like we've been 
>> waiting a long time for the "LEED for Data Centers" standard. I think 
>> there was a draft of it created before v2009 came out.
>>
>>
>> Stormy Shanks, PE
>> www.kjww.com
>>
>> -----Original Message-----
>> From: equest-users-bounces at lists.onebuilding.org 
>> [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of 
>> Umesh Atre
>> Sent: Tuesday, August 14, 2012 11:08 AM
>> To: omoltay at mimtarch.com; equest-users at lists.onebuilding.org
>> Subject: Re: [Equest-users] Data Center Modeling
>>
>> Omer,
>>
>> ASHRAE Addendum bu might be a good starting point.
>> http://www.ashrae.org/standards-research--technology/standards-addenda/Addenda-to-Standard-90-1-2007-IP-SI-Versions 
>>
>>
>> Regarding LEED for data centers, have heard that LEED 2012 will have 
>> some compliance categories/paths.
>>
>> While working on a recent data center project (non-LEED), I had come 
>> across this website that you could browse through for ideas on 
>> strategies:
>> http://www.datacenterknowledge.com/leed-platinum-data-centers/
>>
>>
>> Best of luck,
>> Umesh
>>
>>
>>
>>
>> -----Original Message-----
>> From: equest-users-bounces at lists.onebuilding.org 
>> [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Ömer 
>> Moltay
>> Sent: Tuesday, August 14, 2012 11:33 AM
>> To: equest-users at lists.onebuilding.org
>> Subject: [Equest-users] Data Center Modeling
>>
>> Dear All,
>>
>> I need to learn about data center modeling for LEED v2009 certification.
>> In particular, I will have to inform the client about how to build a 
>> baseline model and what strategies can earn us points. Is there any 
>> guideline or note regarding data center modeling for LEED v2009 to 
>> which you can direct me to?
>>
>> Best regards,
>>
>> Ömer Moltay, LEED AP BD+C, ASHRAE BEMP, ASHRAE CPMP, BREEAM Assessor 
>> Mimta EkoYapi Hekimsuyu Cad. 559. Sk. No:39
>> 34255 Kucukkoy Istanbul
>> Tel: 90-212-617-2296
>> Fax: 90-212-617-2297
>> www.eko-yapi.net
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