Re: inrack sprinkler question

2018-02-23 Thread Bruce Verhei
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

Re: inrack sprinkler question

2018-02-23 Thread Ron Greenman
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

RE: inrack sprinkler question

2018-02-23 Thread Bob
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

RE: inrack sprinkler question

2018-02-23 Thread Tim Stone
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

RE: inrack sprinkler question

2018-02-23 Thread MFP Design, LLC
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