Re: Clean Room Sprinkler Options

2017-10-18 Thread Allan Seidel
y silicone seal there > and also where the boot grips the 1” pipe. The boot will isolate the > sprinkler from the pressurized plenum. > > Allan Seidel > St. Louis, MO > > > On Oct 17, 2017, at 2:16 PM, Larrimer, Peter A <peter.a.larri...@va.gov> > wrote: > &g

FDC pump in circle with hydrant on underground

2017-02-07 Thread Allan Seidel
I'm looking at an FDC setup on the underground main to a building (sprinklers and standpipe) where there is not a check on the underground between the FDC and the nearest upstream fire hydrant. This was installed this way as directed by the Fire Marshall. To make this picture clear, water pumped

Automatic WON fire doors at egress stairwells that have standpipe systems?

2011-10-14 Thread Allan Seidel
, but perhaps there is an established way to do this. Thank you, Allan Seidel St. Louis, MO -- next part -- An HTML attachment was scrubbed... URL: http://fireball.firesprinkler.org/mailman/private/sprinklerforum/attachments/20111014/e42d977d/attachment.html

Re: Big problem

2011-10-12 Thread Allan Seidel
Create a Sprinklerforum mailbox in your email application and then set a Rule in your email application to place all sprinklerforum email in that special mailbox. This will automatically separate this list email from all other email you receive. Most email applications have this ability. On Wed,

Re: Riser Location for combined stand pipe

2011-10-06 Thread Allan Seidel
Thanks Bob, I see it now. Its been added for 2010 14. The latest IBC we use is 2009. It references 2007 14 and it makes statements as if it is coordinated with 2007 14. Maybe the latest IBC has changed its tune. Allan Seidel St. Louis. MO On Tue, Oct 4, 2011 at 10:57 PM, Bob b

Re: FLEX HEADS - STILL LISTENING...

2010-05-28 Thread Allan Seidel
in tight ceiling condition remodel projects where it is much easier to attach that type versus having to spin a Flexhead. Allan Seidel St. Louis, MO On Fri, May 28, 2010 at 10:58 AM, Vince Sabolik vi...@christifire.comwrote: So, two designers here use these?? Vince Sabolik Christi Fire

Re: DELUGE SYSTEMS

2010-03-11 Thread Allan Seidel
Does the apron pavement slope away or towards the Concourse? Are the apron pavement drainage scuppers arranged in a way to identify building areas that would not be as exposed to flames as other areas? Allan Seidel St. Louis, MO On Thu, Mar 11, 2010 at 3:21 PM, Greg McGahan g...@livingwaterfp.com

Re: Steeply pitched ceiling

2010-03-10 Thread Allan Seidel
use. The problem is deciding what the initial stream velocity to use. In this study one calibrates the spreadsheet initial stream velocity by entering in a couple of points from a sprinkler discharge chart. Allan Seidel St. Louis, MO On Wed, Mar 10, 2010 at 10:38 AM, Chris Cahill chr

Re: Steeply pitched ceiling

2010-03-10 Thread Allan Seidel
higher than what you get by selecting off a published sprinkler discharge chart at say 8 feet away from the sprinkler. Those charts vary by manufacturer and sprinkler type but you can get a general idea of what range of numbers are reasonable. Allan Seidel St. Louis, MO On Wed, Mar 10, 2010 at 2:38

Re: Equivalent Feet Modifier

2009-12-09 Thread Allan Seidel
of sch 40 losses. Now it needs to be adjusted in terms of sch 10 losses. The sch 10 losses per foot are smaller than sch 40 losses per foot. So its going to take more sch 10 pipe to add up to the same loss impact. It is good that you are checking for calc. sanity. Allan Seidel St. Louis, MO On Wed

Re: GPM Flowing Out of 6 Pipe

2009-10-16 Thread Allan Seidel
at the intersection? - What are the fittings between the pipe intersection and the outlet? One could guess at least 1 valve, 3 90s and the intersection Tee. - Is this lined DI? - Is there a float valve at the tank or is this all open pipe and you are trying to get an idea how long a fill will take? Allan Seidel St

Re: GPM Flowing Out of 6 Pipe

2009-10-16 Thread Allan Seidel
...@firesprinkler.org [mailto: sprinklerforum-boun...@firesprinkler.org] On Behalf Of Allan Seidel Sent: Friday, October 16, 2009 9:46 AM To: sprinklerforum@firesprinkler.org Subject: Re: GPM Flowing Out of 6 Pipe It is the intersection between the gpm/pd water supply curve at the pipe intersection and the gpm

Re: Float Valve

2009-07-31 Thread Allan Seidel
certain conditions. The valve would appear as if it is not closing all the way. You can avoid that situation by connecting the sense line to the higher pressure side of your system instead of the incoming water side as is the factory default. Allan Seidel St. Louis, MO On Fri, Jul 31, 2009 at 11:54

8.14.19.4.4 (2002 NFPA 13) and 3/4 x 1 California 90 Ell (90 deg. red. street elbow)

2009-07-29 Thread Allan Seidel
) to revamp a 3/4 outlet to a 1 drop is permitted in areas subject to earthquakes. Is that why its called a California fitting? Allan Seidel St. Louis, MO ___ Sprinklerforum mailing list http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum

Re: 8.14.19.4.4 (2002 NFPA 13) and 3/4 x 1 California 90 Ell (90 deg. red. street elbow)

2009-07-29 Thread Allan Seidel
My thoughts are the same regarding the reason but when you choose to live by the sword you also must die by the sword and the rule says pipe nipple without mentioning fitting. There is even a sketch. The fitting in question is an AnvilStar Figure 1103R 1 female, 3/4 male. Allan Seidel St. Louis

Re: Slow responding dry pipe valves

2009-04-28 Thread Allan Seidel
I saw a slow to ITC case like this, large system and low but steady static city water, that turned out to be the result of gravel in the water supply double check assembly. Allan Seidel St. Louis, MO On Tue, Apr 28, 2009 at 8:24 PM, Frans Stoop f.st...@adsltotaal.nl wrote: Dear colleagues

Re: Is there test information that shows whether or not obstructing lycrafabric ceiling elements are an issue?

2009-04-16 Thread Allan Seidel
on that assumption, would increasing the design area by 30%, as in delayed water-to-fire situations and also increasing the application rate to OH1 be a logical fire protection approach to this situation to bring to the Fire Marshall? Thanks again for your comments, Allan Seidel St. Louis, MO

Is there test information that shows whether or not obstructing lycra fabric ceiling elements are an issue?

2009-04-15 Thread Allan Seidel
equivalency to the missing protection other than sales brochures where the sprinkler protection has been photoshopped out. Allan Seidel St. Louis, MO ___ Sprinklerforum mailing list http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum

Re: Closets / cabinets

2008-11-05 Thread Allan Seidel
from the wall where the closets were. Allan Seidel St. Louis, MO On Wed, Nov 5, 2008 at 7:29 AM, [EMAIL PROTECTED] wrote: It's furniture. No sprinklers within. Well, unless someone is going to occupy it. NFPA 13, 2007, 8.1(7) [cid:658182813@05112008-3391] Craig L. Prahl, CET Fire

Re: Help!! Sprinkler in Planetrium

2008-09-10 Thread Allan Seidel
. The piping will be painted out black. Each sprinkler will terminate at back to back 90s and sit at the end of a vertical drop. For this dome there are only four sprinklers located near the top of the dome. The project location is not in a seismic area. Allan Seidel St. Louis, MO On Tue, Sep 9, 2008

Re: When all horizontal pipe hangers are supports from below

2008-06-09 Thread Allan Seidel
? Thanks, Allan Seidel St. Louis, MO On Jun 7, 2008, at 2:17 PM, Ron Greenman wrote: Allan, I just ran into this and was surprised. Typically what I've seen is drop-in anchor or red-head holding down the strut then a strut clamp for the pipe. Had an AHJ recently say that strut wasn't listed

Re: When all horizontal pipe hangers are supports from below

2008-06-09 Thread Allan Seidel
. This forum is another rock that cannot be left unturned. Thanks again, Allan Seidel St. Louis. MO On Jun 9, 2008, at 10:43 PM, Ron Greenman wrote: I think you may be over engineering this problem ___ Sprinklerforum mailing list Sprinklerforum

When all horizontal pipe hangers are supports from below

2008-06-07 Thread Allan Seidel
. The problem is I need to know what methods are not permitted. For example, is piping strapped to a unistrut, point-load style, technically not permitted? Thank you, Allan Seidel St. Louis, MO ___ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org

Re: Change in static pressure

2008-05-09 Thread Allan Seidel
that is what is going on and maybe not, but keep in mind that all the rest of the system in question is just plain pipe and valves. The only unknown mechanism involved is what is inside the BFP. Allan Seidel St. Louis, MO On May 9, 2008, at 12:54 PM, Dewayne Martinez wrote: I have a job

Re: Purge fan

2008-03-29 Thread Allan Seidel
system can go back on line and the sooner the fire department will comfortable to allow occupancy. Allan Seidel St. Louis, MO On Mar 29, 2008, at 2:30 AM, Haji, Jaber M wrote: A room is protected by Novec 1230 gas suppression system, dose it require a purge fan? Keep in mind that this it shall

Re: Sprinkler drop Tool

2008-03-26 Thread Allan Seidel
Sounds like a hot tap tool and a strap on tapping saddle. For example: http://www.2lbin.com/ljr.htm and http://www.2lbin.com/ ts.htm Allan Seidel St. Louis, MO On Mar 26, 2008, at 8:12 PM, Q.P. wrote: I was just wondering if anyone had seen a tool that goes on a drop. It has a drill

Re: Ceiling pockets...

2008-01-24 Thread Allan Seidel
ceiling will be the amongst the first items value engineered out. A dark ceiling in a school setting is a waste of energy. Almost all school gathering places need plenty of light because they are often used for taking SAT exams. Allan Seidel St. Louis, MO On Jan 24, 2008, at 2:59 PM, RFI

Re: Combustible ductwork, below slab ????

2008-01-19 Thread Allan Seidel
I think this is it. Minimal performance impact applies to the spray. In these tests the plastic introduced a delay. Operation Times for Duct Mounted, Corrosion Protected Sprinklers and the Influence of Sprinkler Spray on Heated Air Flow Through Ducting. Report on Special Services

Re: Combustible ductwork, below slab ????

2008-01-16 Thread Allan Seidel
the sprinkler piping. It might pick up a huge charge. You don't want anyone getting shocked when they start to climb down the manhole. Those super wide spraying hallway sprinklers might be suitable. You might have to forgo on installation that meets all listings to the letter. Allan Seidel St

Re: Planetarium ceilings

2008-01-11 Thread Allan Seidel
a plate) has been sent with placement instructions for the client to see if it really does anything to their projected image. I hope it will be tolerable. Thanks again, Allan Seidel St. Louis, MO On Jan 8, 2008, at 11:12 AM, Russell wrote: Yep, sure was. Can't remember the exact size but something

Re: Planetarium ceilings

2008-01-11 Thread Allan Seidel
this is a matter of some tiny dots on a black background. Allan Seidel St. Louis, MO On Jan 11, 2008, at 10:53 AM, Thom McMahon wrote: I would place a single EC concealed head at the top dead center of the dome with additional heads outside the dome lower edge which will overlap the EC

Re: Planetarium ceilings

2008-01-10 Thread Allan Seidel
image. I hope it will be tolerable. Thanks again, Allan Seidel St. Louis, MO On Jan 8, 2008, at 11:12 AM, Russell wrote: Yep, sure was. Can't remember the exact size but something like a 30' diameter. Being on the deluge system, the sprinklers were open so ceiling was no consideration

Planetarium ceilings

2008-01-07 Thread Allan Seidel
on the projected image. I doubt there would be any shadow because the image arrives normal to the surface. Has anyone done one of these? Thanks, Allan Seidel St. Louis, MO ___ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http

Re: Sprinkler system serving two different buildings

2007-12-10 Thread Allan Seidel
of separation and so I am looking for some backup, but now I am beginning to taste crow. Allan Seidel St. Louis, MO On Dec 10, 2007, at 4:57 PM, Roland Huggins wrote: There was an old formal interpretation that said one building, one system. There is criteria in the 2007 edition under 8.2.4

Sprinkler system serving two different buildings

2007-12-07 Thread Allan Seidel
Folks, it has been my understanding that a sprinkler system cannot be used to serve sprinklers in another building. I cannot find the chapter and verse. This is not a matter of convincing someone it is a bad idea. Am I imagining this rule? Allan Seidel St. Louis, MO

Re: oil filled electrical transformers - protection?

2007-12-05 Thread Allan Seidel
. From there select the Big Arcs and Sparks link. Then select the Arcing fault causes a 138 kV substation power transformer to explode. link. http://teslamania.delete.org/frames/frameindex.html Allan Seidel St. Louis , MO ___ Sprinklerforum mailing

Re: Light Hazard with sprinklers at 5' by 10'.

2007-11-07 Thread Allan Seidel
Thanks. You are right, the sprinklers need to be 2.8 k. Allan Seidel St. Louis, MO On Nov 6, 2007, at 9:43 AM, Thom McMahon wrote: You could actually use 3/8 orifice sprinkler heads (Strainer Required) and flow only 7.41 Gpm per head at 7 Psi. Your still overflowing the design

Light Hazard with sprinklers at 5' by 10'.

2007-11-05 Thread Allan Seidel
sprinklers can be considered less than 30 and still follow the NFPA 13 standard? My opinion is no but I figured I'd stick my neck out and ask. Thanks, Allan Seidel St. Louis, MO ___ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http

Re: Seismic Bracing/Drops

2007-11-01 Thread Allan Seidel
for even the flimsiest lay-in ceiling at the end of 16 foot wet noodles. Allan Seidel St. Louis, MO On Nov 1, 2007, at 11:00 AM, Bobby Gillett wrote: I have a situation where I have a main elevation of 27'-0 and ceilings @ 9'-0, this creates single 1x16'-0 drops w/threaded couplings

Re: pump test header location

2007-09-19 Thread Allan Seidel
of the building which also is the ugly side of the building and where the FDC will be installed on this single system. So you hang one pipe instead of two. Every job is different in some way. Allan Seidel St. Louis, MO ___ Sprinklerforum mailing list

Re: Alarm Circuit

2007-07-22 Thread Allan Seidel
. Allan Seidel St. Louis, MO On Jul 22, 2007, at 10:02 AM, Ron Greenman wrote: Ray, I also felt Craig's answer missed the mark a bit. You're comments intrigued me because they made perfect sense but we are dealing with NFPA here. Regarding this matter 13 does direct you to 72 when an alarm system

Re: Atrium

2007-06-25 Thread Allan Seidel
and the influence to project cost (emergency generator for example). Could your project not be following a building code? The sprinklers on 6 ft center makes sense to me when the opening meets the requirement. Having eaten crow, Allan Seidel St. Louis, MO On Jun 25, 2007, at 6:20 PM, Travis Mack

Re: Reuse of existing sprinkler pipe

2007-06-18 Thread Allan Seidel
modification. That system had brand new dirt legs installed at the tower base to catch this stuff, of which there was an amazing amount btw. Sprinkler systems don't really have these dirt legs for this. Allan Seidel St Louis, MO On Jun 17, 2007, at 3:13 PM, [EMAIL PROTECTED] wrote: Dear forum

Re: Industry Standard

2007-04-26 Thread Allan Seidel
the sprinkler to the grid then the more likely to expect trouble. The ceiling installer's error margin could easily put you into grid trouble with a 15 foot spacing. Allan Seidel St. Louis. MO On Apr 24, 2007, at 7:51 AM, Kelly McDaniel wrote: What is industry standard in relation

Re: Underground Dry Pipe

2007-04-19 Thread Allan Seidel
into it and we do have to flow it out to some point once a year. It won't be dug up and replaced when it fails. It will be run visible. I think this pipe needs to be copper or DI. Contrary to conventional wisdom, stainless can do some very unexpected things when buried. Allan Seidel St

Calc. required water supply volume when the higher hazard area is smaller than lower hazard area.

2007-02-08 Thread Allan Seidel
, Allan Seidel St. Louis, MO ___ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum

Re: hot air flues

2006-12-12 Thread Allan Seidel
on the heat pump compressor. Consequently it is possible for the heat pump unit to discharge air much hotter than it is supposed to (despite what the manufacturers will tell you by the way) and it can activate a 135 F sprinkler. Beware. Allan Seidel St. Louis