[Bldg-rate] [Bldg-sim] District Thermal System

[Eric Youngson]

Karen & David,

                Thank you for your input on this topic. I tend to agree
with both of you about the intent but I would have a hard time pointing
to any specific text if anyone were to disagree with this
interpretation. The wording is a bit unclear. Pages 5 & 6 seem to simply
refer back to tables 2 & 3.

 

Good luck with your project Karen...

 

Eric

 

From: Karen Walkerman [mailto:kwalkerman at gmail.com] 
Sent: Tuesday, September 09, 2008 12:08 PM
To: Eric Youngson
Cc: bldg-sim at lists.onebuilding.org; bldg-rate at lists.onebuilding.org
Subject: Re: [Bldg-sim] District Thermal System

 

I am also in the middle of a DES project at the moment.  The way that I
interpreted Step 1 and 2 is as follows:

Step 1:

Baseline: all downstream (on-site) equipment, envelope components, etc,
as in Appendix G.  heating and cooling is purchased from a DES system.
Proposed: all downstream (on-site) equipment, envelope components, etc,
as designed.  Heating and cooling is purchased from a DES system.

Step 2:

Baseline: all equipment is modeled as on-site.  Boilers and Chillers are
to be modeled as designed in Appendix G.  Utility rates are to be local
utility rates
Proposed: building is to be modeled as built.  Heating and cooling is
purchased from a DES system, energy costs must take into account DES
production and transmission losses.

In my opinion, the vocabulary in Table 1 is confusing, but the
guidelines on pages 5 and 6 seem pretty clear.  Am I on the same page as
everyone else here?

Thanks,

--
Karen

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