[Bldg-sim] 90.1 Section 5.6 envelope trade off

[Larry Degelman]

Just a quick side note on this – the EnvStd software is not included in the 90.1-2010 User’s Manual.  The last one offered was EnvStd 6.0, published with the 90.1-2007 User’s Manual.

Regards,

Larry
===============================
Larry O. Degelman, P.E., HBDP, BEMP
Professor Emeritus of Architecture
Texas A&M University
College Station, TX 77845
email: ldegelman at suddenlink.net
===============================

From: Nick Caton 
Sent: Thursday, June 14, 2012 2:26 PM
To: Chris Jones ; Christian Cianfrone 
Cc: bldg-sim at lists.onebuilding.org 
Subject: Re: [Bldg-sim] 90.1 Section 5.6 envelope trade off

If I’m not mistaken, the trade-off approach is what COMcheck’s (free software) is built around for envelope compliance calculations.  Don’t believe it gets much easier ;).

 

~Nick

 



 

NICK CATON, P.E.

SENIOR ENGINEER

 

Smith & Boucher Engineers

25501 west valley parkway, suite 200

olathe, ks 66061

direct 913.344.0036

fax 913.345.0617

www.smithboucher.com 

 

From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Chris Jones
Sent: Thursday, June 14, 2012 1:26 PM
To: Christian Cianfrone
Cc: bldg-sim at lists.onebuilding.org
Subject: Re: [Bldg-sim] 90.1 Section 5.6 envelope trade off

 

I have been using ENVSTD for years.  The problem is that the Ontario Building Code has revised the envelope prescriptive requirements to hybrid values that are not matched by the current and past versions of ENVSTD.  Ideally one would get the source code and modify the lookup tables then recompile but I am not having any luck with that concept.  

I have heard that the the ENVSTD developers are working on a version for Ontario but who knows how long that might take.  In the meantime, the cost of building permits goes up on July 12 so lots of developers are scrambling to get permits before then.  


At 02:11 PM 14/06/2012, Christian Cianfrone wrote:



Chris,
 
If I understand your intent correctly, I would recommend using ENVSTD.  It makes the trade-off method less painful.  The software comes packaged with the 90.1 User’s Manual.
 
 
Christian Cianfrone, M.A.Sc., P.Eng., LEED® AP BD+C
Principal, Building Energy Specialist
mailto:email at morrisonhershfield.com
 

 
Suite 310, 4321 Still Creek Drive  |  Burnaby, BC  V5C 6S7
Dir: 604 454 9305 x2319  |  Cell: 604 376 1315  |  Fax: 604 454 0403
morrisonhershfield.com/sustainability
 
From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Chris Jones
Sent: Thursday, June 14, 2012 9:18 AM
To: bldg-sim at lists.onebuilding.org
Subject: Re: [Bldg-sim] 90.1 Section 5.6 envelope trade off
 
You are likely correct, I can select, copy and paste all the equations and coefficients from Appendix C into a text document.  Then it's a matter of creating a spreadsheet or Perl program to do the calculations.  

At 08:46 AM 14/06/2012, Leonard Sciarra wrote:

FYI - Appdx c is being re-written, for 90.1-2013.  When I get back to internet connectivity I can give you the addendum letter.  The goal was to streamline the baseline building generation, even automate it.  

As for the current Appdx c their is no document u seek that I know exists. But it reads pretty clearly, ( as everything feeds into one equation ) so I would just go all old school and write them down.  It's only about 10 or 15 or so.

Sent from my HTC on the Now Network from Sprint!

----- Reply message -----
From: "Chris Jones" <cj at enersave.ca>
Date: Wed, Jun 13, 2012 10:41 pm
Subject: [Bldg-sim] 90.1 Section 5.6 envelope trade off
To: "mailto:bldg-sim at lists.onebuilding.org" <mailto:bldg-sim at lists.onebuilding.org>

Is there any way to obtain all the coefficients listed in APPENDIX C, 
the methodology for the envelope trade-off calculations?  Even better 
would be a text file with all the equations and the coefficients.



>>
Christopher Jones, P.Eng.
Suite 1801, 1 Yonge Street
Toronto, ON M5E1W7
Tel. 416-203-7465
Fax. 416-946-1005
email cj at enersave.ca

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>>
Christopher Jones, P.Eng.
Suite 1801, 1 Yonge Street
Toronto, ON M5E1W7
Tel. 416-203-7465
Fax. 416-946-1005
email cj at enersave.ca

>>
Christopher Jones, P.Eng.
Suite 1801, 1 Yonge Street
Toronto, ON M5E1W7
Tel. 416-203-7465
Fax. 416-946-1005
email cj at enersave.ca



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