[Equest-users] Advanced Level Equest Classes
Chris Jones
cj at enersave.ca
Mon Jan 17 12:49:51 PST 2011
Are there other less expensive alternatives to AutoCAD?
At 02:53 PM 17/01/2011, Otto Schwieterman wrote:
>Send the PDF to your background in AutoCAD (This
>step depends on what software your computer has
>installed), correctly scale the pdf and trace the floor plan in AutoCAD.
>
>From: Chris Jones [mailto:cj at enersave.ca]
>Sent: Monday, January 17, 2011 1:53 PM
>To: Nick Caton; equest-users at lists.onebuilding.org
>Subject: Re: [Equest-users] Advanced Level Equest Classes
>
>Thanks Nick!
>Re the catwalk - they are open to the
>atrium. The one reason to model them is because
>they have light fixtures associated. Including
>the floor areas of the catwalks increases the
>baseline lighting to capture the lighting of the catwalks.
>
>The atrium is not open to the rest of the
>building except by door. Between the perimeter
>spaces and the atrium is glazing.
>
>The other question I have is what do you do when
>the floor plans are submitted in PDF - how do
>you import the floor plans into equest? Or do
>you have to enter all the vertices manually?
>
>Thanks again for taking time to respond.
>
>
>
>At 04:04 PM 14/01/2011, Nick Caton wrote:
>
>Hi Chris,
>
>Some running thoughts you might consider – all
>this in concert might get the job done, in any case it’s what I’d try first:
>- Varying “floorplates”/zoning for each
>floor means you need unique shells per floor,
>which means you can’t use any of the
>“open-to-above/below” approaches to making an
>atrium with the wizards. That simplifies the
>discussion somewhat: you’ll need to define this atrium somehow “manually.”
>- I would draw out the “catwalk
>corridors” (assuming they’re covered and
>separately conditioned) on their respective
>shell-floors. If they’re open to the atrium I’d ignore them entirely.
>- I would finish everything up in the
>wizards, and upon entering detailed mode delete
>every created space/zone that’s part of the
>“atrium,” excepting the top level’s, which
>should include any roof/skylight surfaces and be
>retained. Delete any child surfaces associated
>with these atrium zones excepting any interior
>partitions to the perimeter zones – if those
>exist, move the interior partitions to be a
>child component of the appropriate perimeter
>zone first before deleting the atrium zone. You
>might be above to avoid this scenario in the
>wizards by defining the atrium zones LAST at the
>custom zone definition dialogs for each shell
not sure but worth a shot.
>- I would modify the space geometries
>(volume) and its internal loads (# of people
>should account for the catwalks if they’re open)
>to match the full volume of the atrium
>- Assign a SUM system as a placeholder
>to the atrium – goal being to have all its loads
>handled by the systems serving the perimeter spaces
>- I would use the 2D view of each shell
>to modify all internal walls “open” to the
>atrium in the actual design to be of type
>“AIR,” and to simultaneously ensure their parent
>space is associated to the large, common atrium
>space. I think this will correctly tie the
>atrium’s internal loads to the others thermally
>this is why we took care to keep those and not
>delete them along with the wizard-generated atrium spaces.
>- I would use the “DIRECT” option for
>the HVAC systems’ return air path, rather than
>the plenum/duct options – I think this will
>indirectly ensure the heat gains/losses of any
>atrium skylights/roofs and the collective
>internal heat gains in the atrium find their way into the return air stream
>
>I can’t say 100% whether this is all you’d need
>to do, but it’s a game plan I would start
>with. To make a comment regarding
>accuracy: It’s probably fair to say eQuest,
>which doesn’t model complex CFD on an hourly
>basis, may not be as accurate in any end-case as
>some more costly software options may be for a
>large atrium as you’re describing. This
>approach should be sufficient however for
>getting into the right ballpark, provided those
>“think” items above hold true (you might want to hold off for others’ input).
>
>
>Best of luck – sounds like an interesting project to say the least =)!
>
>~Nick
>
>
>PS: I’ve never been compensated for my advice
>on these lists, and I’m not about to start
>asking, but neither have I taken on any
>liability or promise of availability as a formal
>instructor... That said, I wouldn’t go home and
>cry myself to sleep if someone found anything
>valuable enough to compensate ^_^.
>
>cid:489575314 at 22072009-0ABB
>
>
>NICK CATON, E.I.T.
>PROJECT ENGINEER
>Smith & Boucher Engineers
>25501 west valley parkway
>olathe ks 66061
>direct 913 344.0036
>fax 913 345.0617
><www.smithboucher.htm>www.smithboucher.com
>
>From: equest-users-bounces at lists.onebuilding.org
>[ mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Chris Jones
>Sent: Friday, January 14, 2011 1:21 PM
>To: equest-users at lists.onebuilding.org
>Subject: Re: [Equest-users] Advanced Level Equest Classes
>
>The topic I consider advanced is modelling
>different floor plate shapes on each floor -
>with a multi-storey atrium in the middle. The
>atrium has corridor catwalks for crossing from
>one side of the building to another. Supply air
>is transferred into the atrium from the
>surrounding spaces - the atrium is a return air
>plenum for multiple air handlers.
>
>I would gladly pay for a step by step tutorial
>on setting up the geometry for such a building.
>
>
>
>
>I’ve been in discussions with those who make a
>business of eQuest/DOE2 instruction regarding
>this issue
I think a major reason we don’t see
>many ‘advanced’ classes is: it would be very
>hard to develop a rubric/syllabus for an
>‘advanced’ group of learners as it would seem
>there aren’t many ‘advanced’ topics that aren’t
>extremely system/project-specific (therefore
>seemingly of little interest to a group of learners at large).
>
>One exception that comes to mind that would
>probably be of common interest might be the
>evaluation and creation of chiller & heatpump
>performance curves – that skillset is frankly
>tough to self-learn (it took me a long while and multiple projects)
>
>As an aside: I might also cite a real-world
>experience where a local rep for Carrier hosted
>an event that included discussion/instruction
>for a single, narrow ‘advanced’ eQuest topic:
>geothermal well-field design using
>eQuest/DOE2. The room was packed*! I hope more
>equipment reps in time will recognize the value
>and potential draw when advanced eQuest topic
>instruction is offered, even if only for a very narrow sort of system/topic.
>
>If you really would like formal, ‘advanced’
>instruction, you might be best-advised to come
>up with a list of topics you want
>instruction/guidance on (make your own personal
>rubric), and share that list either publicly on
>the lists or directly with those who offer
>training services – you may be able to then
>filter out who is able and is willing to teach
>you some or all of your desired instruction individually, and at what cost.
>
>~Nick
>
>* I would be remiss to not mention Anthony
>Hardman (frequent contributor to these lists)
>provided that instruction, and it was excellent.
>
>
>
>Chris Jones
>14 Oneida Avenue
>Toronto, ON M5J 2E3.
>Tel. 416-203-7465
>Fax. 416-946-1005
>
>
>Chris Jones
>14 Oneida Avenue
>Toronto, ON M5J 2E3.
>Tel. 416-203-7465
>Fax. 416-946-1005
>
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>
>
>
>
Chris Jones
14 Oneida Avenue
Toronto, ON M5J 2E3.
Tel. 416-203-7465
Fax. 416-946-1005
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