[Equest-users] (no subject)
Nick Caton
ncaton at smithboucher.com
Wed Jul 7 09:41:10 PDT 2010
Hi Derek,
Performing a 90.1 Baseline/Proposed comparison with eQuest will require
building two models. There are many way to skin the cat, but common
practice is to build up either your baseline or proposed model, save a
copy right before transitioning to detailed mode from the wizards,
finish the model in detailed, then use the wizard-level and final models
as references to build the second model.
I personally find starting with Proposed (instead of the 90.1 Baseline)
to be easier than the other way around, having tried both, but opinions
differ. You may want your 90.1 baseline model created first depending
on where your modeling starts in relation to the design process.
I've copied a discussion from this list below that includes others'
views and some more specifics. You can find more discussion through the
archives - feel free to ask specific questions if you need to!
http://lists.onebuilding.org/pipermail/equest-users-onebuilding.org/
http://lists.onebuilding.org/pipermail/bldg-sim-onebuilding.org/
~Nick
NICK CATON, E.I.T.
PROJECT ENGINEER
25501 west valley parkway
olathe ks 66061
direct 913 344.0036
fax 913 345.0617
Check out our new web-site @ www.smithboucher.com
From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Derek
Huang
Sent: Wednesday, July 07, 2010 10:51 AM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] (no subject)
Hi all,
It's my 1st time to use eQUEST and have this question:
It seems the program always use Title 24 as the baseline. How can we
incorporate ASHRAE 90.1 requirements into eQUEST ?
The following is my understanding and not quite sure if it's right or
not:
First we need to setup a baseline based on ASHRAE 90.1, create a design
case, then how can we force the program to compare the design case with
the ASHRAE 90.1 baseline case, instead of the Title 24 baseline case ?
Any advice ?
Thanks,
Derek Huang, LEED AP, CPD
Mechanical Engineer
97 E. Brokaw Road, No 300
San Jose, CA 95112
Direct: 408 487-1305
Fax: 408 436-1511
www.atce.com <http://www.atce.com/>
derek.huang at atce.com
From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Sami,
Vikram
Sent: Friday, June 11, 2010 3:51 PM
To: equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] Baseline Modeling
My two cents:
I think the process outlined by Paul is fine if you are doing compliance
modeling or "after the fact" modeling. A lot of the time when I start a
model there is no proposed building - the model is used as a tool to
define the proposed building. I find its better to start out with the
90.1 model and then run it in the detailed interface mode. John is right
about the schedules - most often those are the first thing to go and are
substituted with my own. I've attached a little XL tool that I created
that I like to use for this - it allows you to push and pull the slider
bars till you get your required schedule (you have to enable macros in
the worksheet). It then creates a text string that you can copy and
paste into your inp file to create a day schedule. Feel free to use it.
Back to the workflow thing - I find that if you start out with a 90.1
building - it allows you to run this as a baseline and make design
decisions to improve on it by looking at the base. This way you still
have all your wizard values for the base building (although the inp file
for 90.1 construction posted to this list earlier makes that superfluous
too).
Vikram Sami, LEED AP
Sustainable Design Analyst
1382 Peachtree St. NE, Atlanta, GA 30309
t: 404-443-7462 f: 404.892.5823 e: vikram.sami at perkinswill.com
www.perkinswill.com <http://www.perkinswill.com/>
Perkins+Will. Ideas + buildings that honor the broader goals of society
From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of John
Aulbach
Sent: Friday, June 11, 2010 2:28 PM
To: Peter Hillermann; Paul Buchheit; Omar Katanani;
equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] Baseline Modeling
My two cents..
Before you make two Detailed Edit Models (one baseline, one proposed),
make sure you have all the correct schedules and ancillary loads the
same in ONE Detailed Edit model. You have quite rudimentary schedules in
the Wizards (probably developed on Mars), so you need to insure any
additional schedules (or schedule changes) and load additions are made.
THEN make your two Detailed Edit models.
John R. Aulbach, PE, CEM
Senior Energy Engineer
________________________________
Partner Energy
1990 E. Grand Avenue, El Segundo, CA 90245
W: 888-826-1216, X254| D: 310-765-7295 | F: 310-817-2745
www.ptrenergy.com <http://www.ptrenergy.com/> | jaulbach at ptrenergy.com
<mailto:%7C%20jaulbach at ptrenergy.com>
________________________________
From: Peter Hillermann <e190984026 at exchange.1and1.com>
To: Paul Buchheit <paul.buchheit at eesinet.com>; Omar Katanani
<omar at ecoconsulting.net>; equest-users at lists.onebuilding.org
Sent: Fri, June 11, 2010 11:11:21 AM
Subject: Re: [Equest-users] Baseline Modeling
Thanks Paul,
Someone later told me I was incorrect and I'll be changing the way I do
it as well. Starting proposed and working backwards.
Thanks,
PETER HILLERMANN
peterh at westallarchitects.com
westall
architects
3404 pierce drive
chamblee, georgia 30341
o 770.458.4113
f 770.458.5352
c 678.898.2936
westallarchitects.com <http://westallarchitects.com/>
From: Paul Buchheit [mailto:paul.buchheit at eesinet.com]
Sent: Friday, June 11, 2010 1:23 PM
To: Peter Hillermann; 'Omar Katanani';
equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] Baseline Modeling
Hello Omar,
These are the steps I suggest you follow to complete the proposed
building and the baseline building models most efficiently:
1) Model the proposed building first. Do everything you can in wizard.
Keep a copy of the model at this stage so that you can easily go back to
this state of your model if necessary.
2) Save two new copies of your model- one for the proposed model to be
completed in the detailed editor and one for the baseline model.
3) Complete the proposed model in detail editor
4) Go back to the model you saved in step 2 of this process as the
baseline model and change your selections in the wizard to comply with
ASHRAE 90.1. This is quicker and easier than changing all the values
manually.Keep a copy of the model at this stage so that you can easily
go back to this state of your model if necessary.
5) Save a new copy of the baseline model and complete it in the detailed
editor.
This process allows you to do everything you can in the wizard for both
the baseline and proposed building models. It also helps to ensure that
schedules and other aspects shared by the two buildings are modeled the
same as required by ASHRAE 90.1.
I hope this helps,
Paul
Paul Buchheit
Mechanical Engineer
EESI
phone: 541-754-1062
fax: 541-753-3948
paul.buchheit at eesinet.com
----- Original Message -----
From: Peter Hillermann <mailto:e190984026 at exchange.1and1.com>
To: 'Omar Katanani' <mailto:omar at ecoconsulting.net> ;
equest-users at lists.onebuilding.org
Sent: Friday, June 11, 2010 9:26 AM
Subject: Re: [Equest-users] Baseline Modeling
Omar,
You need to start with the baseline then enter you efficient values. Yes
you need to enter ASHRAE standards manually.
Thanks,
PETER HILLERMANN
peterh at westallarchitects.com
westall
architects
3404 pierce drive
chamblee, georgia 30341
o 770.458.4113
f 770.458.5352
c 678.898.2936
westallarchitects.com
From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Omar
Katanani
Sent: Friday, June 11, 2010 11:48 AM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Baseline Modeling
Dear all,
I am modeling a school using eQUEST. I have entered the values
corresponding to the proposed building (like the specifications given).
I would like to model the baseline building according to ASHRAE 90.1
standard.
Do I have to change the U-values, HVAC strategy, Window/wall ratio, and
the other stuff manually? That is, shall I open the ASHRAE standard and
start changing all values one-by-one? The ASHRAE Standard 90.1 isn't
recognized by eQUEST such that it can create the baseline case alone?
That would save a lot of time!
Best regards,
Omar
___________________________
Omar Katanani
Sustainable Design Engineer
Email: omar at ecoconsulting.net
EcoConsulting (Lebanon)
Chawkatly Building (Valli & Valli), 6th floor
Charles Helou Street, Saifi District
Beirut, Lebanon
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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