[BLDG-SIM] Building additions and shading
Kevin Kyte
kkyte at robsonwoese.com
Thu Aug 2 13:19:21 PDT 2007
Yes, the building is going for LEED certification, therein lays my concern
for shading from existing buildings. I had originally thought to make the
new construction walls butting against the existing building adiabatic but I
had not thought to make them interior. Either way it still doesn't account
for shading on the new construction exterior walls. I think I understand
that one can make custom shading devices but am unfamiliar with the process
so I will research. Currently, my thought is to just include the existing
structures and leave them unconditioned and make the connecting new
construction walls adiabatic. This way the shading will be accounted for.
I am wondering if it is expectable for LEEDs. Or would it be easier to
create custom shading?
Again, thank you for your responses.
_____
From: BLDG-SIM at gard.com [mailto:BLDG-SIM at gard.com] On Behalf Of akram
rosheidat
Sent: Wednesday, August 01, 2007 10:10 AM
To: BLDG-SIM at gard.com
Subject: [BLDG-SIM] Building additions and shading
Paul
You could also construct the shape of the existing building with "fixed
shades". This would simulate the shading accurately without having to
construct the whole existing building. The walls in contact with the
existing building should be designated ADIABATIC as suggested in previous
emails.
Akram Rosheidat, Architect
ASU Ph.D. Program
Paul Hay <phay at cwjamaica.com> wrote:
Kevin,
I have interpreted the existing buildings to be perpendicular to the
addition. If this is the case and the buildings at the ends of the addition
are large, they could produce significant shading on the addition
(especially if the exposed surfaces of the addition face north and south).
The problem is: how do you quantify this? More than likely, you will have
to create a schedule to represent it if you don't model the whole building.
Paul Hay
Managing Partner
PAUL HAY Consultants
Strategic Facility Planning and Design Office Automation
16 Edinburgh Avenue
Kingston 10
Jamaica, W.I.
tel: 1 (876) 923-8882
cel: 1 (876) 324-4274
fax: 1 (876) 925-3373
web: www.phcjamaica.com
e-mail: phay at phcjamaica.com
From: BLDG-SIM at gard.com [mailto:BLDG-SIM at gard.com] On Behalf Of Aulbach,
John
Sent: Tuesday, July 31, 2007 07:28 PM
To: BLDG-SIM at gard.com
Subject: [BLDG-SIM] Building additions and shading
Kevin:
I am getting a bit old and slow, so I don't quite understand your questions.
If you are modeling a new construction rectangle that has both ends (say top
and bottom on a plan view) abutting existing structures, I believe you can
make these walls INTERIOR and ADIABATIC. In that way, you have no outside
influence on the wall, and no heat transfer to another space.
You WILL, however, need to make the changes in the .INP text file. You
simply cannot do it in the eQuest overlay.
Why do you care about shading from external sources. Just don't put those
sources In !!
Or have I missed something?
_____
From: BLDG-SIM at gard.com [mailto:BLDG-SIM at gard.com] On Behalf Of Kevin Kyte
Sent: Tuesday, July 31, 2007 9:15 AM
To: BLDG-SIM at gard.com
Subject: [BLDG-SIM] Building additions and shading
Greetings, I am simulating a building that from bird's eye view looks like a
big rectangle. Either end of the new construction is connected to existing
buildings. Furthermore, it appears the first floor of the new construction
extends into a renovation of one of the pre-existing forms. How does one
turn off shading on exterior surfaces? Also, would it be better to modeling
the existing buildings as well? The new construction will be running on its
own systems.
Thanks.
Kevin
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