[Bldg-sim] Core and Shell Office Modelling

[James Hansen]

To further what Shanta said:  unless you have a legally binding lease
agreement that lists specific efficiencies of the fan coil units that
the tenants must buy (or a requirement that the tenants must purchase
FCUs that match the basis of design on the contract drawings), then I
believe the fan power of those FCUs must unfortunately match the
Appendix G requirements.  In other words, you can't model an ECM motor
tenant FCU in your proposed design unless there is some enforceable
document that requires tenants to purchase them in this arrangement.

 

GHT Limited
James Hansen, PE, LEED AP

Senior Associate

1010 N. Glebe Rd, Suite 200

Arlington, VA  22201-4749

703-338-5754 (Cell)

703-243-1200 (Office)

703-276-1376 (Fax)

www.ghtltd.com <http://www.ghtltd.com/> 

 

 

From: bldg-sim-bounces at lists.onebuilding.org
[mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Shanta
Tucker
Sent: Thursday, April 07, 2011 10:19 AM
To: Jaigath Chandraprakash; bldg-sim at lists.onebuilding.org
Subject: Re: [Bldg-sim] Core and Shell Office Modelling

 

Hello Jaigath,

My suggested answers follow your questions.

 

1. Does that mean I will be modeling only the common since it only the
areas that were designed? No. You must model the whole building and
site.

2. Do I need to also include the tenant areas? Yes, include the tenant
spaces.

3. Since the tenant areas have FCU pipe provision, do I model it as FCU
or do I have to model it as system 6 which is my baseline case? You may
model the tenant spaces with FCU's in the proposed model so long as you
have an engineering drawing for a typical floor showing this; if you
don't have this I suggest that you ask for it. If that is not possible
to obtain, perhaps a narrative from the engineer of record or the tenant
lease would suffice, but I'm not 100% sure if it would. In my opinion,
you'll need to provide some documentation that the tenants must install
the FCU's in order to help the GBCI reviewers understand the argument
why you are modeling FCU's and not system 6.  

 

--

Shanta Tucker

Atelier Ten

 

 

From: bldg-sim-bounces at lists.onebuilding.org
[mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Jaigath
Chandraprakash
Sent: Thursday, April 07, 2011 7:21 AM
To: bldg-sim at lists.onebuilding.org
Subject: [Bldg-sim] Core and Shell Office Modelling

 

 

I am simulating a core and shell office building with system 6 for my
baseline. The design case is a two pipe fan coil units at common areas
and all tenants will have chilled water pipe provision for them to tap
their fan coil units. Based in CS Appendix 6 under step 1, model the
HVAC system as described in the design documents. My question is:

1. Does that mean I will be modeling only the common since it only the
areas that were designed?

2. Do I need to also include the tenant areas?

3. Since the tenant areas have FCU pipe provision, do I model it as FCU
or do I have to model it as system 6 which is my baseline case?

 

Thank you all in advance.

 

 

Jaigath


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