[Bldg-sim] 90.1-2007 App. G baseline fan power question

Jim Dirkes via Bldg-sim bldg-sim at lists.onebuilding.org
Mon Jul 11 14:10:00 PDT 2016

Nothing from GBCI on my projects.  My normal practice is to split the power
roughly in proportion to pressure rise.

On Mon, Jul 11, 2016 at 5:03 PM, Chris Jones via Bldg-sim <
bldg-sim at lists.onebuilding.org> wrote:

> The App. G baseline is to have return or relief fans if the proposed case
> does. This would imply that the system fan power should be distributed
> between the supply and return fans in the baseline case but no direction is
> given in the Standard nor in the User’s Manual. My inclination would be to
> distribute the fan power in the baseline case using the same proportions as
> in the proposed case.
> Has anyone had any experience with directions given by the GBCI in this
> regard?
> *Christopher Jones, P. Eng.*
> *Rowan Williams Davies & Irwin Inc.*
> *Consulting Engineers & Scientists*
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James V Dirkes II, PE, BEMP, LEED AP
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