In 2003-2006 fires in residential structures accounted for about eight out of ten

2009-06-02 Thread John Drucker
NFPA - Patterns of Firefighter Fireground Injuries, May 2009 "Patterns of Structure Fires by Occupancy and Structure Status" "In 2003-2006 fires in residential structures accounted for about eight out of ten firefighter fireground injuries in structures (Table 11). This was in large part due to t

RE: Class 2 oxidizers

2009-06-02 Thread Thom McMahon
Yes for room design method, not so clear for Area Density. The biggest issue I see with room design is everyone seems to forget the 'communicating spaces" Thom McMahon, SET Firetech, Inc. 2560 Copper Ridge Dr P.O. Box 882136 Steamboat Springs, CO 80488 Tel: 970-879-7952 Fax: 970-879-7926 -

RE: Combustible rated floors

2009-06-02 Thread John Drucker
Thanks Dave, Just got in, out teaching a NJ DCA seminar on Wiring Methods for fire pumps, emergency and standby power systems. Dewayne wrote; "We have a growing trend up here in which contractors are not installing sprinklers in combustible floor spaces (open wood truss) simply because there is a

RE: Fire Hydrant & Sprinkler System Water Supply

2009-06-02 Thread Steve Leyton
bscribe, send an email to:sprinklerforum-requ...@firesprinkler.org (Put the word unsubscribe in the subject field) __ Information from ESET NOD32 Antivirus, version of virus signature database 4124 (20090602) __ The message was checked by ESET NOD32 Antivirus. http://www.eset.com

RE: Fire Hydrant & Sprinkler System Water Supply

2009-06-02 Thread Chris Cahill
You are neglecting to consider the fire department connection. Pressure may go below sprinkler requirements when FD uses a hydrant but the fire truck fixes pressure problems or at least should. At least here in the States most (but not all systems) provided much more than necessary in GPM if not

Fire Hydrant & Sprinkler System Water Supply

2009-06-02 Thread Reza Esmaeili
Hi All, I would appreciate if someone explain for me Fire Hydrant & Sprinkler System Water Supply. I know that hydrants are for delivering water for professional fire fighting for fire department at 20 psi residual pressure. Can fire hydrants installed in same main as the Fire sprinklers? If yes,

Re: Pipe sizing

2009-06-02 Thread Richard Lindner
How about 2002 nfpa 13 section 15.1.3 On Tue, Jun 2, 2009 at 12:42 PM, Chris Cahill wrote: > Having a problem finding the section that calls for a minimum size of UG. > Actually can't find the AG piping limits either thinking they might be > together. > ___

RE: IFC requirements

2009-06-02 Thread Sprinkler Academy - C Bilbo
Craig, You've missed my point completely. There are times when the 3,000 sq ft minimum from IFC would kick in. The point WAS ... NFPA 13 AND the IFC work together to allow differing densities in different areas, but sometimes the minimum remote area may be larger than that specified in N

RE: IFC requirements

2009-06-02 Thread Scott Stookey
Cecil, Connecting the IFC and NFPA 13 dots is not always easy. Many design professionals and code officials use Section 2704.2.2.3 to reduce the design area because all H occupancies are prescribed by the IBC to have a minimum one-hour fire barrier separating the Group H use from any other mixed o

RE: IFC requirements

2009-06-02 Thread Craig.Prahl
So let's look at this logic stream. If you had a 500 sf indoor storage area at say .30/3000sf adjacent to a 10,000 sf office space .10/1500sf, different occupancies separated by appropriate rated assemblies, storage area constructed per code, would you extend the .30/3000 into 2500 sq. ft of th

IFC requirements

2009-06-02 Thread Sprinkler Academy - C Bilbo
Hi Scott, What a great reference for future use! I can see where the 3,000 sq ft minimum could apply, but I don't really see how the IFC allows the reduction of the design to the room only (not that I thought it should). Based on the language of 2704.5 which reads (and I realize you already

RE: Longitudinal Sway Brace on Branch Line

2009-06-02 Thread Bob Knight
Steve, That helps thanks. Table 9.3.5.3.2 (a) & (b) aren't the problem. This is 4" Sch 10 which is allowed to have 828 lbs applied at 40' centers. If we can have what you and Scott are describing done then, I can eliminate a lot of braces and more than likely, haven't calced it yet, space my lat

RE: Longitudinal Sway Brace on Branch Line

2009-06-02 Thread Steve Leyton
nd an email to:sprinklerforum-requ...@firesprinkler.org (Put the word unsubscribe in the subject field) __ Information from ESET NOD32 Antivirus, version of virus signature database 4123 (20090602) __ The message was checked by ESET NOD32 Antivirus. http://www.eset.com __ Inf

RE: Longitudinal Sway Brace on Branch Line

2009-06-02 Thread Bob Knight
Scott, Thanks for the advice. I did basically what you have suggested, but as far as the suggestion about "a proposal to install a steel flat or angle converting the point load into a spread load", could you elaborate more on this? I don't know if I follow what you are saying. Thanks, Bob

RE: Pipe sizing

2009-06-02 Thread Jim Johnston
Chris, 2007 13 Starts at Section 23.1.3. Jim Johnston, P.E. Fire Protection Engineer Inland Fire Protection, Inc 1100 Ahtanum Road Yakima, WA 98903 Phone 509-248-4471 Fax 509-248-1180 j...@inlandfireprotection.com -Original Message- From: Chris Cahill [mailto:chr...@sentryfiremn.com] S

Re: Pipe sizing

2009-06-02 Thread Charles Thurston
Hello Chris, I have had approved and used 2" Blazemaster for 13R in the past. Not sure it it was allowed outside the standard tho Tuesday, June 2, 2009, 12:42:15 PM, you wrote: > Having a problem finding the section that calls for a minimum size of UG. > Actually can't find the AG piping lim

RE: Pipe sizing

2009-06-02 Thread Craig.Prahl
NFPA 24, 2007, Chapter 13. Nothing smaller than 6" for UG when supplying hydrants. Chapter 13 Sizes of Aboveground and Buried Pipe 13.1 Private Service Mains. Pipe smaller than 6 in. (152 mm) in diameter shall not be installed as a private service main supplying hydrants. 13.2 Mains Not Supp

Pipe sizing

2009-06-02 Thread Chris Cahill
Having a problem finding the section that calls for a minimum size of UG. Actually can't find the AG piping limits either thinking they might be together. For some reason I think UG is 6". But allowed less if calc'ed? So is there a minimum size in 13 (or 24)? Yes I know water purveyors mig

RE: Class 2 oxidizers

2009-06-02 Thread Craig.Prahl
Am I reading it wrong or doesn't 2007 of NFPA 13, 11.2.3.3 have wording to that effect? Craig L. Prahl, CET Fire Protection Specialist Mechanical Department CH2MHILL Lockwood Greene 1500 International Drive PO Box 491, Spartanburg, SC 29304-0491 Direct - 864.599.4102 Fax - 864.599.8439 crai

RE: Class 2 oxidizers

2009-06-02 Thread Craig.Prahl
Ah and there's the rub. We don't know about packaging of the Ox or if it's in tanks or drums or ??, we don't know about separations, containment, adjacent occupancies, if quantities are above or below the allowable limits, what the process is or how the Ox is handled, just to name a few missing

RE: Class 2 oxidizers

2009-06-02 Thread Scott Stookey
Your analysis is correct about the basic hazards of oxidizers. However, your statement regarding an external exposure fire is incorrect - most of the incidents have resulted from contamination of the oxidizer and the heat of reaction results in ignition of the packaging. When that occurs one has an

RE: Class 2 oxidizers

2009-06-02 Thread Craig.Prahl
Oxidizers enhance the burning characteristics of combustibles. They are not flammable or combustible products in and of themselves. So a fire within an oxidizer storage area would have to originate elsewhere from some other object. However if there were a fire for instance a fork truck caug

Flex Heads

2009-06-02 Thread rahe . loftin
Forum, I apologize for my faux pas in representing that GSA does not accept flexible sprinkler fittings. I don't set policy for GSA and I certainly did not mean to speak for GSA or any of the fire protection engineers of any of GSA's regions. The mistake is mine and I wish to retract the statemen

RE: Class 2 oxidizers

2009-06-02 Thread Sprinkler Academy - C Bilbo
Thom, First, thanks for being a supporter of the Sprinkler Academy!! We are gonna impact the industry thanks to folks like you. Second, the Committee did discuss what an appropriate separation is. They stated: "physically separated by a barrier or partition capable of delaying heat from a fi

RE:

2009-06-02 Thread George Church
Guess there's no storage in the building? glc -Original Message- From: sprinklerforum-boun...@firesprinkler.org [mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of m...@markeckard.com Sent: Tuesday, June 02, 2009 11:33 AM To: sprinklerforum@firesprinkler.org Subject: Re: Chapte

RE: Class 2 oxidizers

2009-06-02 Thread Scott Stookey
Just to clarify a statement made by Mr. Bilbo, IFC Section 2704.2.2.3 and 2704.5 allow the design area to be reduced to the area of room, assuming it is classified as a Group H occupancy. The reasoning is that if the room has a Hazardous occupancy classification, fire resistive separation is requir

RE: Class 2 oxidizers

2009-06-02 Thread Thom McMahon
I would love to see NFPA 13 say somewhere that design areas can stop at a rated wall assembly of equal or greater rating than the required water supply for the hazard, when all doors in that assembly are also rated, equipped with automatic closers and there are no unprotected openings. Anyone want

Re:

2009-06-02 Thread me
Chapter 1- 6 of latest edition of pamphlet 13 NFPA Sent from my BlackBerry Smartphone provided by Alltel -Original Message- From: Date: Tue, 2 Jun 2009 09:11:28 To: Subject: RE: What edition of NFPA 13 did they specify? Antique, engraved in stone tablets? Craig L. Prahl, CET

RE: Class 2 oxidizers

2009-06-02 Thread Sprinkler Academy - C Bilbo
Todd, Once again, Roland is on the money here. While Scott is so very right to be cautious, I do not believe the ICC documents deal with separation issues when determining the size of the remote area (it's a 13 thing). I do believe the ICC documents are clear about separation requirements be

RE:

2009-06-02 Thread Autry, David
Maybe they are using The Code of Hammurabi. David Autry Plans Examiner Nebraska State Fire Marshal's Office 246 S. 14th Street Lincoln, NE 68508 402-471-9659 402-471-3118 fax www.sfm.ne.gov ** Note new email address: david.au...@nebraska.gov -Original Message- From: sprinklerforum-bou

RE: Combustible rated floors

2009-06-02 Thread Thom McMahon
Correction of past mistakes is not the issue, since that just doesn't seem to ever happen to others. What is important is that once made aware that the code requires these spaces to be protected, then from that point on at least you'll know that the other contractors will be paying to play on a mor

RE:

2009-06-02 Thread Craig.Prahl
What edition of NFPA 13 did they specify? Antique, engraved in stone tablets? Craig L. Prahl, CET Fire Protection Specialist Mechanical Department CH2MHILL Lockwood Greene 1500 International Drive PO Box 491, Spartanburg, SC 29304-0491 Direct - 864.599.4102 Fax - 864.599.8439 craig.pr...@c

RE:

2009-06-02 Thread Eckard, Mark
Not a jurisdiction. Just another wonderful A & E firm recycling antique specifications and practicing "engineering" outside of their expertise. Sincerely, Mark E. Eckard S.E.T. Cintas Corporation/Cintas Fire Protection 12771 Westlinks Blvd. Suite - 1 & 2 Fort Myers, Florida 33913

RE: Class 2 oxidizers

2009-06-02 Thread Craig.Prahl
There are a lot of issues here which have not been defined. Without that information a proper hazards and codes analysis can't be performed and we are all just offering limited opinions. But it is common and acceptable to every AHJ and Underwriter I've dealt with to only require the increased

RE:

2009-06-02 Thread Autry, David
1961 NBFU has 6 "Sections" David Autry Plans Examiner Nebraska State Fire Marshal's Office 246 S. 14th Street Lincoln, NE 68508 402-471-9659 402-471-3118 fax www.sfm.ne.gov ** Note new email address: david.au...@nebraska.gov -Original Message- From: sprinklerforum-boun...@firesprinkler

RE:

2009-06-02 Thread Don Lowry
1969 13 had 7 shapters 1955 (NBFU) had 13 sections Don -Original Message- From: sprinklerforum-boun...@firesprinkler.org [mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Eckard, Mark Sent: Tuesday, June 02, 2009 9:21 AM To: sprinklerforum@firesprinkler.org Subject: Can any

RE: Class 2 oxidizers

2009-06-02 Thread Scott Stookey
The fire protection design for oxidizers and many hazardous materials is dependant on the proper classification of the hazardous material. You've already asked about a deviation to NFPA 430 but it's unclear if the room is separated to allow one to reduce the design area, which is allowed by the IFC

Re:

2009-06-02 Thread Todd Williams
What jurisdiction is still using that edition? At 10:21 AM 6/2/2009, you wrote: >Can anyone tell me the last year NFPA 13 only had 6 chapters. > > >Mark E. Eckard S.E.T. > > > > > > > >This e-mail transmission contains information that is intended to be >confidential and privileged. If you rece

Re:

2009-06-02 Thread Ron Greenman
I just happened to be looking at a 1978 edition and it has eight, so before then. On Tue, Jun 2, 2009 at 7:21 AM, Eckard, Mark wrote: > Can anyone tell me the last year NFPA 13 only had 6 chapters. > > > Mark E. Eckard S.E.T. > > > > > > > > This e-mail transmission contains information that is i

Re: Class 2 oxidizers

2009-06-02 Thread Roland Huggins
Unless you have rated construction allowing the room design, there is no basis for just doing the room. 12.3 is for regular size remote areas and deals simply with the boundary between them. A.12.3 deals with small areas of higher hazard in a lower hazard facility. This actually originated

[no subject]

2009-06-02 Thread Eckard, Mark
Can anyone tell me the last year NFPA 13 only had 6 chapters. Mark E. Eckard S.E.T. This e-mail transmission contains information that is intended to be confidential and privileged. If you receive this e-mail and you are not a named addressee you are hereby notified that you are no

RE: Class 2 oxidizers

2009-06-02 Thread Todd Williams
I know very little of the details of this project. A client called me to ask how many heads should he figure in a 15x30 room with Class 2 oxidizers stored 5 ft high. The AHJ was the one who said Class 2. That is all I know. My guess is that he has a paper with some boxes on it (aka The Plan) an

RE: Class 2 oxidizers

2009-06-02 Thread Chris Cahill
12.3 has always bugged me a bit. The charging paragraph say do the following. (1) is the 15' beyond when no barrier exists. (2) says ignore (1) when there is a barrier that is capable of preventing heat from a fire. But (2) doesn't say what to do when the barrier is present. Just you don't

RE: Class 2 oxidizers

2009-06-02 Thread Scott Stookey
Is the room separated from the remainder of the building by fire-resistive construction? If it is, then your design area need only be the 450 square foot area. If it is not separated, then you need to calculate the design area in accordance with NFPA 430. While not explicitly stated, reducing desi

RE: Class 2 oxidizers

2009-06-02 Thread Ed Kramer
Todd, section 21.1.1.1 (07) says (sorta) that the requirements of chapter 12 apply. Sections 12.3 and A.12.3 indicate your design area could be reduced to 1500 sf (or less) with a potentially lower density outside the oxidizer room. Ed Kramer > -Original Message- > From: sprinklerforum-

RE: Class 2 oxidizers

2009-06-02 Thread Todd Williams
This was generated by a call from a contractor. Chances are this is a design-build deal and nobody but you and I know that 430 exists. At 08:28 AM 6/2/2009, you wrote: >If the space is only 450 sf, calculate just the room at the >.20. There's no point or requirement to calculate an entire 3750

RE: Combustible rated floors

2009-06-02 Thread Matthew J. Willis
Have you thought about a line on your proposal? Give base price without, then a line like.. "This project appears to have a combustible concealed space that may require protection. IF protection is required in this space, ADD .$$ THEN, I like big notes on drawings going to the AHJ's in question

RE: Class 2 oxidizers

2009-06-02 Thread Craig.Prahl
If the space is only 450 sf, calculate just the room at the .20. There's no point or requirement to calculate an entire 3750 sq. ft. area if the adjacent areas do not require the same density based on their hazard and this space is provided with secondary containment. Although not your issue

RE: Combustible rated floors

2009-06-02 Thread Todd Williams
I had one AHJ tell me 'I don't know what I was thinking when I approved that' At 07:35 AM 6/2/2009, you wrote: >David, >You are correct that the ceiling-floor assembly has a 1hr rated UL >listing not the way I had originally stated it, sorry for the >miscommunication. >Either way, it appears th

RE: Combustible rated floors

2009-06-02 Thread Dewayne Martinez
David, You are correct that the ceiling-floor assembly has a 1hr rated UL listing not the way I had originally stated it, sorry for the miscommunication. Either way, it appears that my original thought was correct and that sprinklers are needed. I have been trying to convince my superiors that

Class 2 oxidizers

2009-06-02 Thread Todd Williams
I have a 450 sqft room used for storing Class 2 oxidizers to 5 ft high. NFPA 13 (2002) section 13.27 calls for a density of .20/3750. Do I need to calculate the full 3750, even though 88% of the area is not the hazard? In a more standard occupancy, the small room rule could be applied, provided

RE: Combustible rated floors

2009-06-02 Thread George Church
Like in NY state at the group home recently, 4 dead, 1 yr old bldg. Attic, not underfloor, but omission by incorrect standard selection, 13d not 13 with non-ambulatory residents. glc -Original Message- From: sprinklerforum-boun...@firesprinkler.org [mailto:sprinklerforum-boun...@firespri

RE: pipe schedule and duct spklrs

2009-06-02 Thread George Church
I'd agree that a quick phone call to the AHJ will determine if a mountain is to be made of this molehill. 154 PSI flat curve cures a lot of ills. glc -Original Message- From: sprinklerforum-boun...@firesprinkler.org [mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of ddevr...@f