[Equest-users] Unmet Hours

[M. Shields]

Nick,

 

My baseline model currently has 0 unmet hours, and my proposed has around
100 total if I add up all of the unmet hours in all zones.  From my
interpretation (and I believe you're confirming it) this does not qualify.
If I read 90.1 correctly then there is no weighting or averaging, it's just
a total unmet hours anywhere in the building (ie zone 1 hours +zone 2 hours
+zone 3 hours.. Etc).  Does anyone else disagree with this interpretation?

 

Thanks,

Michael

 

From: Nick Caton [mailto:ncaton at smithboucher.com] 
Sent: Tuesday, July 27, 2010 3:33 PM
To: M. Shields; equest-users at lists.onebuilding.org
Subject: RE: [Equest-users] Unmet Hours

 

Michael, 

 

90.1's passage (G3.1.2.2) regarding unmet hours requirements is something I
had to re-read many times to get my head fully wrapped around it. Here's my
current interpretation:

 

1.       You need to have 300 or fewer hours in each model.

2.       The proposed is not allowed to perform worse than the baseline by
more than 50 unmet hours.  If it does you have to make the baseline
"underperform" so they're within 50 of each other. 

3.       The baseline is permitted to perform worse than the proposed (by
any degree) as long as it's still 300 or fewer unmet hours.

 

You haven't said whether you're talking about your baseline or proposed
model, but the above points should guide you as to whether you need to make
an adjustment.  Refer to G3.1.2.2 for review and further info.

 

~Nick

 

cid:489575314 at 22072009-0ABB

 

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 M. Shields
Sent: Tuesday, July 27, 2010 1:19 PM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Unmet Hours

 

Hi All,

 

I am working on filing out the LEED paperwork for submittal and for unmet
hours I am wondering does the reviewer want the total unmet load hours for
the building, or an average per zone?  My building has about 100 zones, most
of which have 0 unmet hours, but I have one zone which has significant (more
than 50) unmet hours.  Does this mean my model exceeds the requirement that
the difference between the baseline and the proposed be less than 50 hours?

 

Thanks for any advice.

 

Michael Shields

Phone: 803-493-4507
Fax: 803-548-2511
Email: mshields at fstrategies.com

 

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