The only exception to the practice of balancing is that new single layer scheme
way at the end of the in rack section of Data Sheet 8-9.
Best
Bruce Verhei
> On Feb 23, 2018, at 12:40, Ron Greenman wrote:
>
> I've seen in-racks that seem to be essentially a separate
I've seen in-racks that seem to be essentially a separate system as they
come off a common manifold and look like risers, and still calculate both
back to the manifold, adjust there and the calc out to the source.
Ron Greenman
rongreen...@gmail.com
253.576.9700
The Universe is monstrously
Timothy,
The in-rack demand is added to the ceiling demand at the point of connection
to the system. Also, the pressure is to be balanced to within .5 psi.
>From the 2013 ed.:
23.8.2 Water demand of sprinklers installed in racks shall be added to
ceiling sprinkler water demand over the same
Chapter 23.8 In-Rack Sprinklers
-Original Message-
From: Sprinklerforum [mailto:sprinklerforum-boun...@lists.firesprinkler.org]
On Behalf Of Easter, Timothy M CIV NAVFAC MIDLANT, CI
Sent: Friday, February 23, 2018 1:30 PM
To: sprinklerforum@lists.firesprinkler.org
Subject: inrack
It is in every section in the storage sprinklers (CMDA, CMSA, ESFR).
Check 16.2.1.4.3.1 of the 2016 edition for an example. The handbook
completely clarifies the issue.
"The user must add the water demand for the designated number of in-rack
sprinklers for the specific
design application from