Is it permitted to distribute cooking oil in a stainless steel pipe located in the attic of a corridor ? It is an assembly occupancy and the cooking oil I believe is classified at a IIIB Combustible Liquid. The distance is about 200 feet.
Can you restate and add details.
OHHH I am not an engineer, so you can discount my reply if you want, and I cannot do math.
I edited the question.
You wrote: Is it permitted to install an stainless steel lined with a food hose down a corridor of an Assembly Occupancy?
These are typically used in food, dairy, beverage, wine, biotech, & pharmaceutical industries. With this use, I would yes without prejudice.
Let me know if this helps as there is always more to add from the discovery of facts that change the parameters.
I edited the question. I didn't have enough coffee this morning when I asked the first questions.
You wrote: Is it permitted to distribute cooking oil in a stainless steel pipe located in the attic of a corridor ? It is an assembly occupancy and the cooking oil I believe is classified at a IIIB Combustible Liquid. The distance is about 200 feet.
It depends on of lot of onsite factors.
Transfer lines installed in ceiling ceilings cavities are to be installation in accordance to Section 184.108.40.206 of the 2018 NFPA 30.
Excerpt from the 2018 NFPA 30:
We need to check with a nationally recognized life safety code-NFPA 101:
Excerpt from existing assembly occupancy chapter 13 of the 2018 NFPA 101.
This section of NFPA 101 was required by the occupancy chapter.
Excerpt from the 2018 NFPA 101:
The section below has a conditional use of combustible liquid transfer lines. The requirement this section requires a very educated judgement to determine if the transfer lines do or do not jeopardize egress from the assembly occupancy. It does say as "approved by the AHJ". From my experience as an AHJ project reviewer, to comply with this code section the owner or his representative is to retain a fire protection engineer to document compliance or non-compliance with section 220.127.116.11 the proposed installation of the transfer lines. As the AHJ, that documentation should be review for approval. How can an AHJ without expertise in this subject make this judgment?
Excerpt from 2018 NFPA 101.
Let me know if this helps or way off base with you question. We can continue the dialog.
Yes, you can apply the NFPA Section 18.104.22.168.3.1 as long as 5 (five) condition are satisfied, one of them is Wet pipe system. If a dry system is used, then the figure 22.214.171.124.3.1 can not apply.
The ceiling is a T grid system with removable panels. I don't think it is considered concealed space. What do you think?
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