Bill,
I don't think you're crazy at all.
I've seen any number of submittals with similar results. Some of the
reasons I've noted are:
*failure to check SxL=AxD=Q for each flowing sprinkler to verify demand
*failure to properly draw the remote area, any boundary past halfway
between sprinklers must extend to the next sprinkler
*failure to calculate the minimum number of sprinklers on a branch correctly
*closed sprinklers in the calculations which should be flowing [my
personal favorite]
food for thought,
PARSLEY CONSULTING
Ken Wagoner, SET
760.745.6181 voice
760.745.0537 fax
[email protected] <mailto:[email protected]>e-mail
www.ParsleyConsulting.com <http://www.ParsleyConsulting.com>website
On 12/16/2010 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.
_______________________________________________
Sprinklerforum mailing list
[email protected]
http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
For Technical Assistance, send an email to: [email protected]
To Unsubscribe, send an email to:[email protected]
(Put the word unsubscribe in the subject field)
_______________________________________________
Sprinklerforum mailing list
[email protected]
http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
For Technical Assistance, send an email to: [email protected]
To Unsubscribe, send an email to:[email protected]
(Put the word unsubscribe in the subject field)
