John,

I'm writing off on the forum because I don't want to stir up a hornets nest.

Isn't this an engineering decision, not a NICET SET decision?

I'm just saying, why would you want to take that liability as a NICET SET, and 
also potentially violate your NICET Certification by practicing engineering.

Jeff Hewitt, PE, SET, PM.SFPE
Corporate Engineer

      [cid:[email protected]]
American Fire Protection, Inc.
5525 Eastcliff Industrial Loop | Birmingham, AL  35210
205-591-9111 ext. 1452 | 205-317-0918 (cell)
205-591-9990 (Fax)

          
[http://www.sfpe.org/resource/resmgr/Member_Logos/ProfessionalMember_logo.jpg]

Licensed in AL, AR, FL, GA, IL, KY, MS, MO, NC, SC, TN, TX
Fire sprinklers save lives.  Can you live without them?

Please note that any positions expressed above are my professional opinion 
only, as a member of the NFPA 13 Technical Committee, and do not represent an 
official interpretation of the NFPA 13 standard.

From: Sprinklerforum [mailto:[email protected]] On 
Behalf Of John Paulsen
Sent: Thursday, December 08, 2016 9:43 AM
To: [email protected]
Subject: HDPE Plastic Bin Box Storage

Hello All!

I am working with a truck parts supplier who has moved into an existing 
warehouse and I am providing a design study to them on the existing system.

Pertinent Facts:

6"x6"x2" Grid with K-8.0 Upright Heads fed by a pump. Pipe is at 25' AFF.
Metal truck parts storage in HDPE Plastic Bin Boxes stored no higher than 10'
Existing system with 500 GPM hose calcs to .60 GPM / 3,000.
Tokyo Mutual Insurance

Personally I think the system provides adequate protection for the storage 
configuration. In fact it is MORE than sufficient according to NFPA 13, Ch 14.  
However the insurance company is maintaining that the plastic bin storage boxes 
represent an additional hazard. This is a new experience for me. My contention 
is that the Bin Boxes, even though they are made of HDPE Plastic, do not 
represent an increase to the commodity classification because of their higher 
flash point. (which is information I can't seem to find right now)

Is there a fire test out there that indicates these bin boxes represent an 
increased hazard?

John Paulsen - SET
Crown Fire System Design
6282 Seeds Rd.
Grove City, OH 43123
P - 614-782-2438
F - 614-782-2374
C - 614-348-8206


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