RE: .25 or better

What T-Mack said. It is "alluded" to use higher K's in 19.3.3.2.7 of the 2019 edition.. R/ Matt -Original Message- From: Sprinklerforum On Behalf Of Travis Mack via Sprinklerforum Sent: Tuesday, March 8, 2022 7:50 AM To: sprinklerforum@lists.firesprinkler.org Cc: Travis Mack Subject:

RE: Vertical Wet Pipes in Dry Attic

You should be fine following the ceiling. The trick is to stay close to the ceiling. If the ceiling is jumping, then you should be able to just flow along.. R/ Matt -Original Message- From: Sprinklerforum On Behalf Of Brian Harris via Sprinklerforum Sent: Wednesday, March 2, 2022

RE: ESFR obstruction shift

Are you not creating a 10x11 situation since you are moving every other sprinkler? If so, you may be violating the 100 sq ft per average requirement for moved and adjacent? R/ Matt -Original Message- From: Sprinklerforum On Behalf Of Matt Grise via Sprinklerforum Sent: Tuesday,

RE: COMBUSTIBLE CONCEALED SPACE

Sorry, (19) edition -Original Message- From: Sprinklerforum On Behalf Of Trillium Fire Sprinkler Design INC via Sprinklerforum Sent: Tuesday, January 11, 2022 2:05 PM To: sprinklerforum@lists.firesprinkler.org Cc: Trillium Fire Sprinkler Design INC Subject: RE: COMBUSTIBLE CONCEALED

RE: COMBUSTIBLE CONCEALED SPACE

Negative. Check 10.2.2 same edition (10) R/ Matt -Original Message- From: Sprinklerforum On Behalf Of Trillium Fire Sprinkler Design INC via Sprinklerforum Sent: Tuesday, January 11, 2022 2:05 PM To: sprinklerforum@lists.firesprinkler.org Cc: Trillium Fire Sprinkler Design INC

RE: COMBUSTIBLE CONCEALED SPACE

Section 9..3.2 (19) says less than 36" must be listed.. Not sure the question fully..? R/ Matt -Original Message- From: Sprinklerforum On Behalf Of Trillium Fire Sprinkler Design INC via Sprinklerforum Sent: Tuesday, January 11, 2022 1:40 PM To: sprinklerforum@lists.firesprinkler.org

Thread connection holding on one thread only

I remember from my AFSA (Old School) design training course, that threads and engagements are tapered. 3 exposed is set as a nominal number. For 1" pipe, the actual number left showing is 2 7/8.-ish It is based on threads per inch, along a taper. Reference the ASTM standards for exact

RE: Thread connection holding on one thread only

I remember from my AFSA (Old School) design training course, that threads and engagements are tapered. 3 exposed is set as a nominal number. For 1" pipe, the actual number left showing is 2 7/8.-ish It is based on threads per inch, along a taper. Reference the ASTM standards for exact

RE: Liquor above 20% Alcohol Containers less than 1.3 gallons

in a vault. What’s the…? On Tue, Nov 30, 2021 at 7:33 AM Matthew J Willis via Sprinklerforum < sprinklerforum@lists.firesprinkler.org> wrote: > Standard box you would see at a liquor store. > > Just stockpiling them in one side of a building. > > I assume there are both pla

RE: Liquor above 20% Alcohol Containers less than 1.3 gallons

ger . Fire Protection Group Shambaugh & Son, LP an EMCOR Company 7614 Opportunity Drive . Fort Wayne, IN . 46825 direct 260.487.7824 / cell 260.417.0625 / fax 260.487.7991 email mmo...@shambaugh.com -Original Message- From: Sprinklerforum On Behalf Of Matthew J Willis via Sprin

RE: Liquor above 20% Alcohol Containers less than 1.3 gallons

Guess I should add, Solid pile of boxes, 10 feet ceiling.. R/ Matt -Original Message- From: Sprinklerforum On Behalf Of Matthew J Willis via Sprinklerforum Sent: Tuesday, November 30, 2021 7:50 AM To: sprinklerforum@lists.firesprinkler.org Cc: Matthew J Willis Subject: Liquor above

Liquor above 20% Alcohol Containers less than 1.3 gallons

I think I have ran myself into a circle. Again. This is in reference to the 2016 change in 13, from 50% to 20% being the max allowed percent alcohol. I need to protect 15,000 gallons in a Non "M" occupancy. Now NFPA 13, NFPA 30, And the IFC all tell me they do not apply. What did I miss?

RE: Display vs. storage

It doesn't help either, that there is potentially no limit to building height with an M occupancy. Instead of looking at the examples in 13, I like to refer back to the descriptions. What is the difference between "High" and "Very High"? R/ Matt -Original Message- From: Sprinklerforum

RE: Supervised Air Manual Dry Standpipe

  |  Suite 210  |  San Diego, CA  92108 Fire Protection System Design | Consulting | Planning | Training -Original Message- From: Sprinklerforum On Behalf Of Matthew J Willis via Sprinklerforum Sent: Wednesday, October 20, 2021 1:51 PM To: sprinklerforum@lists.firesprinkler.org Cc

Supervised Air Manual Dry Standpipe

Having an interesting discussion with a senior field man. He is concerned that some of the compressors pump to 125 +/-, and was asking about an AMD. I have searched, and also from a hands-on standpoint, do not believe one is required. It certainly is if we introduce a dry valve or deluge

RE: Fire Pump Room Sprinkler Classification

Not disputing that at all. 20 to me trumps others. Just throwing that one in for overall picture.. It does interest me though, it seems thought that based on criteria, OH I is correct. Unless you include what the enclosed injector is doing, there is no "spraying of flammable". This is not a

RE: Fire Pump Room Sprinkler Classification

NFPA 37 (18edt), section 11.4.5.1 states .3/2500. R/ Matt -Original Message- From: Sprinklerforum On Behalf Of John Denhardt via Sprinklerforum Sent: Monday, September 13, 2021 11:55 AM To: sprinklerforum@lists.firesprinkler.org Cc: John Denhardt ; Prahl, Craig/GVL ; James Crawford

RE: NFPA 13 8.15.7.2 / 8.15.7.5 - Temporary Parking

Taylor beat me to it, but here is your verbiage to support Taylor's suggestion. 3.1 General. The definitions contained in this chapter shall apply to the terms used in this standard. Where terms are not defined in this chapter or within another chapter, they shall be defined using their

RE: Flexible hose head connectors on a pipe schedule system

20-30 seems a bit more than I have seen. We include around that range as part of safety build in without affecting pipe sizing. 14-17 gets you 2 bends on most jobs (Read not FM), which according to multiple field discussions is the most you will ever see. If you consider the fact that a

RE: Sprinklers in Separate Coolers included in calcs?

Are there sprinklers above it? Then they are the calc area. Do other walls, rated or not, allow the omission with the Density area method? The sprinklers in the cooler should be treated just like any other room. Unless the protection scheme is above. R/ Matt -Original Message- From:

RE: Fire Flow Test for SFR

We have before. But it was due to the loft, it fell out of IRC. (4 stories high now) That required it to be connected to city supply since it was an R, not a D. Seems like yours is the domain of the civil/city for IFC fire flow requirements. Outside your scope.. R/ Matt -Original

RE: pipe schedule/residual pressure

That seems correct. The annex speaks to this. Elevation above water supply, plus the backflow loss. There is no other mention of pipe, fittings, etc. R/ Matt -Original Message- From: Sprinklerforum On Behalf Of Jamie Seidl via Sprinklerforum Sent: Friday, June 4, 2021 2:14 PM To:

RE: Anti Freeze Loops & Frequency of Inspection

I think the best thing is to go back to 13 and see what defines a system. Anti-Freeze system is a misnomer, as it doesn't have the alarms and such. Furthermore, the term Auxiliary system only mentions dry pre-action. I think the 5 year must include the anti-freeze, as it is part of system. The

RE: FPC

Fire pump signals are supervisory. Pump run is not meant to indicate an alarm, or flow condition. Reference 3.3.22 (2019). However, I have worked in rural jurisdictions that had the Control Valve wired to the alarm so the bell would go off on simple Wet systems. Not sure what a Master Box

RE: Question regarding protection of sprinkler heads in Sugar Refinery

I am assuming upright sprinklers in open warehouse? Paper bags are your friend. If pendent with a ceiling, concealed. Not quite sure how a metal guard, would help or what type without creating an obstruction? I assume also since you are in a food facility, glass bulbs are not allowed.

RE: Shop Drawings vs Design Drawings in Florida

So many things... Galz and corrosions resistant is not like for like in the truest sense, but I understand the sizes, elevations and the like. How did you contract? Per 25 or 13? I do not recall any mention of "Shop Drawings" in 25. Why did you submit drawings? Are there any stipulated

RE: NFPA 13 2016 25.2.1.4.2

I am curios, Did you include a 2 hour test at all? R/ Matt -Original Message- From: Sprinklerforum On Behalf Of John Irwin via Sprinklerforum Sent: Thursday, March 18, 2021 8:25 PM To: sprinklerforum@lists.firesprinkler.org Cc: John Irwin ; John Denhardt Subject: Re: NFPA 13 2016

RE: Different Levels of protection open to each other in the same hazard

I believe there was a change somewhere, or just good practice, but responders like the ability to shut the system off from the floor they are standing on. In other words, if you can see it, then the control valve should be on the level you are standing. I have been meaning to research this

RE: Smoke Detectors

The last time I remember, it was Chapter 6 of NFPA 72. (Not sure which chapter it is in the current edition) It was a requirements for the detector to be located within 24" of the sprinkler. That was for like in an elevator situation where you want the detector going before the sprinkler.

Re: Check Valve After Flow switch?

tests as configured, then the listing supersedes such restrictions. I remember asking this question when Resi-Risers first came out. Steve L. -Original Message- From: Sprinklerforum [mailto:sprinklerforum-boun...@lists.firesprinkler.org] On Behalf Of Matthew J Willis via Sprinklerforu

RE: Check Valve After Flow switch?

I would as well. What happened to the "not within 24" of a drain or valve?" A check valve is a valve.. Right? R/ Matt -Original Message- From: Sprinklerforum On Behalf Of John Denhardt via Sprinklerforum Sent: Monday, March 15, 2021 3:36 PM To: sprinklerforum@lists.firesprinkler.org

RE: I'm Baffled

Son, LP an EMCOR Company 7614 Opportunity Drive . Fort Wayne, IN . 46825 direct 260.487.7824 / cell 260.417.0625 / fax 260.487.7991 email mmo...@shambaugh.com -Original Message- From: Sprinklerforum On Behalf Of Matthew J Willis via Sprinklerforum Sent: Tuesday, March 9, 2021 12:

I'm Baffled

2019 10.2.5.4.2 (Concerning baffles for cold solder) It screams metal at me. However, would you think that plywood meets this? R/ Matt Matthew J. Willis, CWBSP Design Manager / 3-D Specialist 1530 Samco Road, Rapid City, SD 57702 Office-605.348.2342 /Direct-605.593.5063/Cell-605.391.2733  

RE: in-rack demand 30/30B

Was one in chapter 16 in the 16 edition. I think it is under the specifics for each system. R/ Matt -Original Message- From: Sprinklerforum On Behalf Of Zachary Siegrist via Sprinklerforum Sent: Tuesday, March 9, 2021 10:29 AM To: Sprinklerforum@lists.firesprinkler.org Cc: Zachary

RE: Activity

Thanks Ron. He is missed. I think we should bring back "Pick on George Month". April I think his birthday was. Hopefully some remember.., "George has a warehouse, that is storing nothing, how should he protect it?" R/ Matt -Original Message- From: Sprinklerforum On Behalf Of Ron

Molded Fiberglass Grating Rack Decking

What are everyone's thoughts on the above? It is being used to comply with 50% open for "open rack". However, it seems very much like fiberglass-reinforced polyester. (Group A, nonexpanded) Even comes up under a search. So then comes the Class jump question due to presence of plastic

RE: RV Storage

-Original Message- From: Sprinklerforum [mailto:sprinklerforum-boun...@lists.firesprinkler.org] On Behalf Of Matthew J Willis via Sprinklerforum Sent: Thursday, January 14, 2021 8:14 AM To: sprinklerforum@lists.firesprinkler.org Cc: Matthew J Willis Subject: RE: RV Storage As someone who l

RE: RV Storage

As someone who lives in a "travel trailer" full time, I would be nervous with EH II. More than likely, all tanks will be drained. ALL of these tanks are made of, plastic. The styrene nature of the furniture etc, also comes into play. We must also remember, if they are storing the RV, chances

RE: Open Grate Flooring - Calculations

I'll take a stab.., I assume there is a roof (ceiling) system installed? If so, open grate flooring is nothing more than an obstruction below the sprinkler. Each section mentions it, and the mins/max. That being the case, would not 23.4.4.7.3 and 23.4.4.7.3.2 (16) apply? As the word

RE: CPVC EQ Bracing - 2 hole straps and another question

To my knowledge, the 2 hole strap is listed as a hanger only. Not for seismic. The second question is a good one. I love Chapter 3, especially for seismic. Check 3.5.11 in the 2016 for a "Sprig". The standard mandates riser for 4 way if they exceed 3'-0". Riser Nipples, the piece between a

RE: Domestic Demands 13R

If I remember correctly, I treated each calc as its own. In other words the 125 for each building. I do not recall adding all domestic flows to the U/G serving both. Seems the same for not having to flow more than 1 calc area when inside the same building. R/ Matt -Original Message-

RE: Clearance around all pump equipment

Nope. Just NFPA 70-110 26F, or something.. 3 feet seems to be accepted numbers for all. However, different electrical system types and environments could make that increase. R/ Matt -Original Message- From: Sprinklerforum On Behalf Of Travis Mack via Sprinklerforum Sent: Thursday,

RE: Hangers for CPVC Pipe going through TGI Joists

No, but they do require bushings or some sort of other method to prevent chafing. Assuming round holes and no side to side movement expected. R/ Matt -Original Message- From: Sprinklerforum On Behalf Of Mike Hairfield via Sprinklerforum Sent: Wednesday, September 30, 2020 6:39 AM To:

RE: Testing of existing systems

Agreed. Book is clear. If you cannot isolate, then it is 2 hours at city pressure. Unless they have amended locally. You will probably need to push this one back or get legal documents out the wazoo.. I wouldn't 200 pound the existing. R/ Matt -Original Message- From: Sprinklerforum

RE: 13 R in a single family home

TERNAL] RE: 13 R in a single family home Out of curiosity, where are people building single family homes that 4+ stories? I don't think I've ever seen one. -Kyle M -Original Message- From: Sprinklerforum On Behalf Of Matthew J Willis via Sprinklerforum Sent: Thursday, August 13, 20

RE: 13 R in a single family home

: RE: 13 R in a single family home Out of curiosity, where are people building single family homes that 4+ stories? I don't think I've ever seen one. -Kyle M -Original Message- From: Sprinklerforum On Behalf Of Matthew J Willis via Sprinklerforum Sent: Thursday, August 13, 20

RE: 13 R in a single family home

tting AHJ. -Original Message- From: Sprinklerforum On Behalf Of Matthew J Willis via Sprinklerforum Sent: Thursday, August 13, 2020 8:37 AM To: sprinklerforum@lists.firesprinkler.org Cc: Matthew J Willis Subject: RE: 13 R in a single family home *** SCDLLR NOTICE *** * This ema

RE: 13 R in a single family home

I am going with no. IRC kicks to Plumbing code OR 13D. 13 D being a life safety system, does not care about height. Local adoptions may differ. R/ Matt -Original Message- From: Sprinklerforum On Behalf Of Matthew J Willis via Sprinklerforum Sent: Thursday, August 13, 2020 6:35 AM

RE: 13 R in a single family home

I am actually int the IRC right this minute looking for the same thing I have seen nothing either. Will keep you posted. Matthew J. Willis, CWBSP Design Manager /3-D Specialist Rapid Fire Protection Inc. 1530 Samco Road Rapid City, SD 57702 Office-605.348.2342 Direct Line-605.593.5063

RE: Schedule 10 vs. Schedule 40 pipe

If it was spec'd then price, and give them 40. Honestly, the point is valid. Many places went with 40 in the day. R/ Matt -Original Message- From: Sprinklerforum On Behalf Of Jennifer Cornett via Sprinklerforum Sent: Wednesday, July 15, 2020 3:27 PM To:

RE: Exemption for sprinklers

Is 8.1.1 (8) what you are looking for? R/ Matt From: Sprinklerforum On Behalf Of Larrimer, Peter A (HEFP\10NA5B) via Sprinklerforum Sent: Tuesday, June 2, 2020 1:49 PM To: sprinklerforum@lists.firesprinkler.org Cc: Larrimer, Peter A (HEFP\10NA5B) Subject: Exemption for sprinklers NFPA 101,

Re: Minimum Lead-in Sizing

I think you just have to add domestic if under 4". Matt On the road.. From: Sprinklerforum on behalf of Travis Mack, SET, CFPS, CWBSP, RME-G via Sprinklerforum Sent: Wednesday, March 18, 2020 11:32:04 AM To: sprinklerforum@lists.firesprinkler.org Cc:

RE: Dedicated space in Electrical Rooms per NEC Article 110

Wet or dry does not matter. I use a sleeve to protect the equipment below. Just cut a couple inches past the "dedicated" footprint. R/ Matt From: Sprinklerforum On Behalf Of Steve Leyton via Sprinklerforum Sent: Wednesday, March 4, 2020 10:56 AM To: sprinklerforum@lists.firesprinkler.org Cc:

RE: Strainers On the Backflow

Backflows, technically, are really not part of 13. They are included in-so-far as municipalities dictate them. Therefore, the data sheet is the only real refuge for the info. As per yours below, do not use a strainer on our systems. R/ Matt From: Sprinklerforum On Behalf Of Michael Goodis

RE: Revised UL Smoke Alarm standard

Hell, You had me at "Frozen Hamburger Patty".. R/ Matt From: Sprinklerforum On Behalf Of Bruce Verhei via Sprinklerforum Sent: Wednesday, January 29, 2020 6:04 PM To: American Fire Sprinkler Cc: Bruce Verhei Subject: Revised UL Smoke Alarm standard All: I know this isn't spk's, but family

BIM Woes

5-9271 x700 MFP Design, LLC www.mfpdesign,com<http://www.mfpdesign,com> Send large files to MFP Design via: https://www.hightail.com/u/MFPDesign<https://urldefense.com/v3/__https:/www.hightail.com/u/MFPDesign__;!!B5cixuoO7ltTeg!Tdw2ycxMiEifeqPnNsaU3pOz4u4u_cZUe_St-0mFZXtsxNpCFWlsOvaona4GLVqxWQ$> Sent

RE: [EXTERNAL] Pipe adjacent to duct

erforum-boun...@lists.firesprinkler.org>> On Behalf Of Matthew J Willis via Sprinklerforum Sent: Wednesday, January 15, 2020 10:00 AM To: sprinklerforum@lists.firesprinkler.org<mailto:sprinklerforum@lists.firesprinkler.org> Cc: Matthew J Willis mailto:ma...@rapidfireinc.com>> Subject: RE: [E

RE: [EXTERNAL] Pipe adjacent to duct

Educate him. Use your charm. R/ Matt From: Sprinklerforum On Behalf Of Travis Mack via Sprinklerforum Sent: Wednesday, January 15, 2020 7:16 AM To: sprinklerforum@lists.firesprinkler.org Cc: Travis Mack ; Prahl, Craig/GVL Subject: Re: [EXTERNAL] Pipe adjacent to duct No seismic. No

RE: Anybody?

No, could be a slang based on location.. And no, I don’t think so as K is a function of calcs? R/ Matt From: Sprinklerforum On Behalf Of Vince Sabolik via Sprinklerforum Sent: Monday, November 18, 2019 11:27 AM To: sprinklerforum@lists.firesprinkler.org Cc: Vince Sabolik Subject: Anybody?

RE: Securing Institutional Heads

They like to hide razor blades behind the esch. Have you considered a pipe clamp anchored to the wall in the chase? R/ Matt From: Sprinklerforum On Behalf Of Bruce Verhei via Sprinklerforum Sent: Tuesday, October 8, 2019 2:24 PM To: sprinklerforum@lists.firesprinkler.org Cc: Bruce Verhei

Re: COMBUSTIBLE CEILING SPACE

:rongreen...@gmail.com> 253.576.9700 The Universe is monstrously indifferent to the presence of man. -Werner Herzog, screenwriter, film director, author, actor and opera director (1942-) On Fri, Sep 20, 2019 at 5:21 PM Matthew J Willis via Sprinklerforum mailto:sprinklerforum@lists.firesprinkler.

Re: COMBUSTIBLE CEILING SPACE

Brownleigh Dr , Raleigh , NC 27617 [cid:image005.png@01D56FD6.3EE299A0]<https://twitter.com/KirlinGroup> [cid:image006.png@01D56FD6.3EE299A0]<https://www.facebook.com/kirlinllc> [cid:image007.png@01D56FD6.3EE299A0]<https://www.linkedin.com/company/133201/> -------- Original mess

Re: COMBUSTIBLE CEILING SPACE

Concur. Works in an attic as well. Matt On the road.. From: Sprinklerforum on behalf of Travis Mack, SET, CFPS, CWBSP, RME-G via Sprinklerforum Sent: Friday, September 20, 2019 5:47:17 PM To: vi...@wtfp.net ; sprinklerforum@lists.firesprinkler.org Cc:

Re: POSSIBLE?

Yes. Minimum recommended is 1/2" . We just ran 1 to keep it simple. Matt On the road.. From: Sprinklerforum on behalf of Vince Sabolik via Sprinklerforum Sent: Monday, September 16, 2019 8:02:37 PM To: sprinklerforum@lists.firesprinkler.org Cc: Vince

RE: Captive Aire Systems

Ron Greenman rongreen...@gmail.com<mailto:rongreen...@gmail.com> 253.576.9700 The Universe is monstrously indifferent to the presence of man. -Werner Herzog, screenwriter, film director, author, actor and opera director (1942-) On Thu, Aug 15, 2019 at 8:21 AM Matthew J Willis via Sprinkl

RE: Captive Aire Systems

The purpose of a “hood” in this application is to direct and capture grease laden stuff… Re: NFPA 96. R/ Matt Matthew J. Willis, CWBSP Design Manager /3-D Specialist Rapid Fire Protection Inc. 1530 Samco Road Rapid City, SD 57702 Office-605.348.2342 Direct

Re: Captive Aire Systems

First ones presented to me I kicked add not listed. They added some 13 references to the data sheets. They will drive calc, and you balance. You only need to prove worst one following with system. Not all at once. R/ Matt On the road.. From: Sprinklerforum on