[Bldg-sim] Bldg-sim Digest, Vol 73, Issue 7

[Dionisio Franca]

Hi Annie,

This issue you are facing is a LEED issue and it is defined by the
LEED Minimum Program Requirements (Jan 2011), Suplemental Guidance to
the Minimum Program Requirements Rev 2 (Sep 2011), and LEED Aplication
Guide for Multiple Buildings and On-Campus Building Projects (Oct
2011).

The LEED MPR defines a super structure (single buildings) when two
structures are linked by a space other than a corridor or park garage
(maybe regularly occupied space). Therefore you would have to use the
Multiple Buildings and On-Campus rulings and for energy modelling. The
multiple building works as a single LEED certification for a group or
buildings where each building or both buildings combined must comply
with the requirements. On-campus project works in two stages, you get
the site related credits on a first stage and then you may proceed
with the certification of buildings inside the campus.

Regards,
Dionisio Franca
LEED AP EB+OM, ND



On Wed, Dec 11, 2013 at 6:07 AM, Annie Marston
<A.Marston at eb-engineers.com> wrote:
> Hi
>
> I would like to add to this discussion, a couple of months ago we had an interesting review comment from LEED on this issue and it has rattled us a little. There is a definition of whether a building is one or two. Off the top of my head I can't remember where it is (sorry for that not terribly useful) but we had a two buildings connected by a corridor all fed with the same boiler and chiller. LEED specifically told us that because it was only connected by a corridor it had to be regarded as two separate buildings. We had to change LEED certifications and redo a huge amount of the energy model in order to split the energy usage in two. I would suggest that you contact LEED to check you are doing the right thing, it will save you hours of pain and money. This is all assuming you are doing LEED, I know that this definition was not in 90.1 it was somewhere else in LEED documentation.
>
> Annie
>
> Annie Marston, Ph.D. LEED AP, BEMP
> Head of the Building Performance Group
>
> Ebert & Baumann Consulting Engineers, Inc.
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> -----Original Message-----
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> Subject: Bldg-sim Digest, Vol 73, Issue 7
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