It’s never been allowed, I have however seen an engineer who didn’t know better design a cold attic gridded to just 1500sqft. My guess would be this is a similar situation, engineer did understand the requirements for dry systems and designed like a regular wet system.
On Wed, Sep 7, 2022 at 3:29 PM James Crawford <jcrawf...@phaserfire.ca> wrote: > Looking for input > > > > Just did a site review on a 1984 building and they have 2 gridded dry > systems in one of their storage canopies. > > > > Were they ever allowed to do gridded dry system, I know the NFPA 313 > (1989) says no gridded dry system but it is not in the 1978 edition. > > > > Thank You > > > > James Crawford > > Phaser Fire Protection Ltd. > > Phone 604-888-0318 > > Cel: 604-790-0938 > > Email jcrawf...@phaserfire.ca > > Web: www.phaserfire.ca > > > > _________________________________________________________ > SprinklerForum mailing list: > https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org > To unsubscribe send an email to > sprinklerforum-le...@lists.firesprinkler.org -- Thank You Brett Peters PFPS Ltd (780) 777 0568 Sent From My iPhone
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