Counter intuitive it is. Once we did a core and shell mercantile that had 4/12 
pitch wood roof. Did rough-in for OH2. The first tenant that signed up wanted a 
ceiling changing the attic to LH. The system had to be changed out to meet LH 
spacing and calc’s. Go figure.

Ron F

Sent from Mail for Windows 10

From: James Litvak
Sent: Thursday, October 13, 2016 12:33 PM
Subject: Re: Attic Hazard: Light or Ordinary?

Does it make a difference? And if so, how? I only ask because discussing with 
coworkers the idea is that any equipment changes an attic from unused to used, 
so it doesn't qualify as light hazard anymore. 


On Thursday, October 13, 2016, Todd Williams <> wrote:

It depends. Fuel fired equipment?
Todd G Williams, PE
Fire Protection Design/Consulting
Stonington, CT
860-535-2080 (ofc)
860-608-4559 (cell)

via Newton Mail

On Thu, Oct 13, 2016 at 12:09 PM, James Litvak <> wrote:
Would an attic with mechanical equipment in it be considered light or ordinary 

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