[Bldg-sim] LEED NC Submittal Template, Heating/Cooling Hours Loads Not Met

[Demba Ndiaye]

Brandon and All,

I believe that they mean from G3.1.2.2 that each hour (of the 8760) for
which there is at least one zone where the load is not met should be
accounted for (meaning that in eQuest for example, your PERCENT OF HOURS
ANY SYSTEM ZONE OUTSIDE OF THROTTLING RANGE of the BEPS report should
not exceed 3.4). And that truly penalizes buildings with many zones as
you write.

Personally, I think that it is more realistic to just consider the
"worst case zone".

______________
Demba Ndiaye
> -----Original Message-----
> From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim-
> bounces at lists.onebuilding.org] On Behalf Of Brandon Nichols
> Sent: Thursday, August 21, 2008 1:22 PM
> To: bldg-sim at lists.onebuilding.org
> Subject: [Bldg-sim] LEED NC Submittal Template,Heating/Cooling Hours
Loads
> Not Met
> 
> 
> All,
> 
> "Table 1.3 -- Advisory Messages" of the LEED NC Submittal Template
> requests "number of hours heating loads not met" and "number of hours
> cooling loads not met".  We've taken a vote here in the office, and
its
> 2-0 in favor of reporting the worst case zone as shown on the BEPS
> report.
> 
> But we have some lingering doubts... can anyone say definitively what
> numbers are being asked to for here?  our runner-up in the voting was
> the total of all zone hours out of throttling range -- however this
> could easily exceed the limit of 300 hours on a large project with
many
> zones.
> 
> As 300 hours is less than 5% (3.4% actually) of 8760, we think that
the
> 300 hours is "per zone", not a total limit for the entire project.
> 
> Comments appreciated....
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