[Equest-users] Modeling 2 interconnected buildings

[Byron Burns]

Hello Omar,

 

I guess it doesn't really matter either way.  The parking garage levels
will be fairly easy to model.  

 

Any way personally I determine the number of shells I use based on floor
layouts, changes in floor to floor heights (atriums or secondary floors
between main floors).  Using the wizard to create the shell means each
floor within the shell will have the same zoning pattern, which is not
an issue for unconditioned floor areas, but will be if you have
different zoning patterns on the conditioned floors.   

 

>From your rendering and assuming each floor has a different zoning
pattern, I would use 10 stacked shells.   

 

>From top to bottom

1.     Bldg #1 Level 7

2.     Bldg #1 Level 6

3.     Bldg #1 Level 5

4.     Bldg #1 Level 4

5.     Bldg #2 Level 4 A

6.     Bldg #2 Level 4 B

7.     Bldg #1 Level 3

8.     Bldg #2 Level 3

9.     Bldg #1 Level 2    & Library Level 2                & Bldg #2
Level 2

10.   Bldg #1 Level 1    & Library Level 1                 & Bldg #2
Level 1                & Parking garage both levels

 

 

Note: 

*         There is not a huge difference in the exterior of Bldg #1
levels 3-5 so depending on the required level of detail, you may be able
to simplify these levels and combine into one shell. 

*         If the zoning patterns for each floor are similar then the
shell count may be reduced 

*         eQUEST does not adjust the adjacency for the floors between
stacked shells. It models them as if they are adiabatic, if you
determine this is a big enough issue, you will need to manually adjust
them in the detailed edit mode.  I have modeled both ways and have had
negligable difference in the results, but it really depends on the
differences between zones.

 

Hope that helps,

 

Byron





From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Omar
Katanani
Sent: Tuesday, May 14, 2013 3:03 AM
To: equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] Modeling 2 interconnected buildings

 

Thanks Byron,

 

I actually never thought we have the option of not modeling the
unconditioned basements. I know what you're saying makes sense
logically, but I am modeling the building for LEED, and I'm not sure the
USGBC would like the fact that I'm not modeling 2 full basement levels.

 

Assuming I have to, do you agree with the attached drawing (dividing
into 3 shells)?

 

Thanks,

Omar 

___________________________

Omar Katanani
Senior Sustainability Engineer

Email: omar at ecoconsulting.net

 

EcoConsulting (Lebanon)
Nahas Building, 4th floor

Georges Haddad Avenue

Postal Code: 2028 5806, Saifi District

Beirut, Lebanon

Tel:  +961 (0) 1 971 266 
Mobile: +961 (0) 3 045 045

EcoConsulting (UK) Ltd
28 Marshalsea Road
London, SE1 1HF
Tel: +44 (0)207 939 0989
Fax: +44 (0)207 939 0981

Website: www.ecoconsulting.net <http://www.ecoconsulting.net/> 

 

 

From: Byron Burns [mailto:B.Burns at ha-inc.com] 
Sent: 13 May 2013 19:21
To: Omar Katanani; equest-users at lists.onebuilding.org
Subject: RE: [Equest-users] Modeling 2 interconnected buildings

 

Hello Omar,

 

I would first define the thermal boundary of the conditioned spaces.  I
assume the parking area is not conditioned so the only the two above
grade buildings (possibly the library according to your project
boundary) need to be modeled. The lighting and exhaust fan energy for
the parking structure can be accounted for as an external process load
attached to the meters.

 

Hope that helps,


Byron Burns

From: equest-users-bounces at lists.onebuilding.org [
mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Omar
Katanani
Sent: Monday, May 13, 2013 11:55 AM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Modeling 2 interconnected buildings

 

Dear All,

 

I want to start modeling a school project comprising of 2 buildings
interconnected by:

1.     A car parking on 2 basement levels, and 

2.     a library space at the Ground & First Floor levels

 

I have attached a 3D rendering of the project and highlighted the 2
buildings (building 1 & building 2 in red and green) and the library
separating them (in blue color). The underground basement is not shown
in this image but will span the whole footprint below the 2 buildings.

 

I want to start by modeling these buildings via the wizard. I guess I
will need to create separate shells and position them properly, right?

 

If this is the case, is the best scenario to model 3 shells as follows?

*         1 for Bldg#1, 

*         1 for the library, and 

*         1 for Bldg#2 

 

As for the basement, is it better to model it as 1 big shell and place
the 3 shells (listed above) just over the basement shell? Or it is
better to divide the basement into 3 sections and merge each section
with the above-ground shell (listed above)?

 

I hope I explained it clearly :)

 

Thanks,

Omar 

___________________________

Omar Katanani
Senior Sustainability Engineer

Email: omar at ecoconsulting.net

 

EcoConsulting (Lebanon)
Nahas Building, 4th floor

Georges Haddad Avenue

Postal Code: 2028 5806, Saifi District

Beirut, Lebanon

Tel:  +961 (0) 1 971 266 
Mobile: +961 (0) 3 045 045

EcoConsulting (UK) Ltd
28 Marshalsea Road
London, SE1 1HF
Tel: +44 (0)207 939 0989
Fax: +44 (0)207 939 0981

Website: www.ecoconsulting.net <http://www.ecoconsulting.net/> 



 

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