Sent: Monday, October 28, 2024 8:14 AM
To: Discussion list on issues relating to automatic fire sprinklers <[email protected]>
Subject: [Sprinklerforum] Re: Metal manufacturing
The above is my opinion and has not been processed as a formal interpretation in accordance with the NFPA Regulations Governing Committee Projects. This is provided with the understanding that the AFSA assumes no liability for this opinion or actions taken on it and they are not to be considered the official position of the AFSA, and/or NFPA or its technical committees.AFSA cannot provide design or consulting engineering services, and this opinion should therefore not be considered, nor relied upon, as such.
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I love all you guys. I really do. (Even you Todd)
But, Hire an Engineer, or Should be provided by an Engineer, just does not work out here in the trenches.
The answer is there in 13. Even "extruding" by a 3-D printer is extruding. I had to do Metal Working for folks cutting 4x8 sheets of aluminum.There is not a distinction. Some AHJ's see that and live by it.
IS it the intent? Probably not.
But it IS what the book says.
Which is the only thing we have in most cases.
I really wish we could kick it back. But more times than not, they just go to the next person in line.
Just saying. Those are not really answers to the questions.
Rant over..
R/Matt
From: Craig Hanson <[email protected]>
Sent: Thursday, October 24, 2024 12:48 PM
To: Discussion list on issues relating to automatic fire sprinklers <[email protected]>
Subject: [Sprinklerforum] Re: Metal manufacturingCaution: This email originated from outside of the organization. DO NOT click links or open attachments unless you recognize and trust the sender.They need to provide for you the hazard analysis that should have been done by an FPE and in accordance with IFC 104.7.2 and NFPA 13: 4.2(2022). The AHJ should have requested that information also. These are tricky operations as dissimilar metals create a deflagration issue. the design may also be outside the scope of the NFPA 13 due to the process involved. Their insurance company should also be requiring a hazard analysis.
Craig D. Hanson, CFPS Fire Division Manager West Coast Code Consultants, Inc. (WC³) Meridian Satellite Office C: 253.225.9977 | E: [email protected] | www.WC-3.com Teaming With Your Community to Make a Difference
On Thu, Oct 24, 2024 at 12:21 PM Fpdcdesign <[email protected]> wrote:
+1 for Tim Stone. Too often the contractor or their estimator are asked to figure out design criteria. That should fall upon the FPE.
Todd WilliamsFire Protection Design/ConsultingStonington, CT860-608-4559
_________________________________________________________ SprinklerForum mailing list: https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org To unsubscribe send an email to [email protected]It should be recommended that an “Architect” or “Engineer of Record” should provide you with a Code Review.
Or hire a “Fire Protection Engineer” to assist you.
Regards,
G. Tim Stone
G. Tim Stone Consulting, LLC
NICET Level III Engineering Technician
Fire Protection Sprinkler Design
and Consulting Services
117 Old Stage Rd. - Essex Jct., VT. 05452
CELL: (802) 373-0638
From: Bobby Welch <[email protected]>
Sent: Thursday, October 24, 2024 12:57 PM
To: Discussion list on issues relating to automatic fire sprinklers <[email protected]>
Subject: [Sprinklerforum] Metal manufacturing
I have a building were they are making metal products by multiple processes including Metal Casting of steel, Metal Forging, Additive Manufacturing and hot rolling. Most of the building is open warehouse where they are producing metal products with 3D printers. NFPA has metal workings listed as ordinary hazard but also has Die Casting and Metal extruding under Extra hazard group 1. Does anyone know where I would start to figure out what hazard is required for this building?
Bobby Welch | Sprinkler Systems Designer
KOORSEN FIRE & SECURITY
8090 N Dixie Dr, Dayton, OH 45414
P 937.641.8403 | Ext. 0318 | M 937.594.8457
[email protected] | www.koorsen.com24x7x365 Service: 937.660.7050 | [email protected]
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