I would start with checking the actually floor area (and likely
finding it too small) since many still simply count the number of
sprinklers. It doesn't help that the Sprinkler Handbook babbles for
several pages on counting sprinklers (at least it did the last time I
checked that section). What a waste of space in a good book!
Roland
On Dec 16, 2010, at 1:23 PM, Bill Brooks wrote:
Reviewing a hydraulic calc for a 0.58 over 2000 gridded warehouse
system.
All seemed OK until I reached the BOR flow of 1143 gpm. From this I
assume
the selected design area isn't correct since there's no way a 0.58
over 2000
system should flow less than 1160 gpm. I've never heard of hydraulic
imbalance that results in lower overall flow. Am I crazy or is
there a new
version of sprinkler hydraulics out there?
Bill Brooks
William N. Brooks, P.E.
Brooks Fire Protection Engineering Inc.
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