Is the duct insulated? If so, make sure and add the insulation to the
duct width
Trevor Spain
Igneus Incorporated
On 12/9/2021 1:35 PM, Fpdcdesign via Sprinklerforum wrote:
I am working on a project with an ESFR system and we have some ductwork
installed below it. The duct system is T shaped with 24” wide section 50 ft
long and 30” wide section 12’-6” long protruding from the center of the 24”.
The top of the duct is 3’-8” below the sprinkler deflector. Section 8.12 (2013
edition) is kind of vague on obstruction distances below the ESFR sprinklers.
Does anyone have any insight or experience that they would like to share on
this? Thanks.
Todd G Williams, PE
Fire Protection Design/Consulting
Stonington, CT
860-535-2080 (tel:860-535-2080) (ofc)
860-554-7054 (tel:860-554-7054) (fax)
860-608-4559 (tel:860-608-4559) (cell)
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