Eladio,
This should be calculated. For one thing, the new arrangement may now
be the most hydraulically remote. Assuming that the protection
requirements will not change, with 12x14 spacing and 0.1 density, you
will be flowing 16.8 gpm per sprinkler. However, with the 6x14
spacing, the
Shannon,
About the only successful arrangement I have seen from a retention
pond is a vertical turbine pump in a suction crib. You have to be
very careful meeting NPSH of a horizontal pump from a reservoir.
There are only two that I know of that work and they have the suction
pond up the
There was a recent thread on this; check the archives. Use concealed sprinklers
At 09:08 AM 11/21/2008, you wrote:
I need input as to what type/arrangement sprinklers you would use over the
top of accordion type filing cabinets like are used in offices, etc. that
are on tracks and can be
I did a flow test yesterday where the municipality had recently
installed a new variable speed pump at a pumping station. The static
pressure was 67 psi. We flowed the hydrant and the pressure dropped
to about 45 psi (flow of about 500 gpm). Then the pump kicked in and
boosted the pressure
The system is a combination of gravity tanks and pumps. This
particular location is close to the highest point in town and pumps
are required to much more that flush a low-flow toilet. This was
actually the first time hydrant had been flowed since the pump was
installed (3 weeks ago), so I'm
] On Behalf Of Todd Williams
Sent: Friday, November 28, 2008 10:21 AM
To: sprinklerforum@firesprinkler.org
Subject: RE: variable public water supply
The system is a combination of gravity tanks and pumps. This particular
location is close to the highest point in town and pumps are required to
much more
Did a flow test this morning. Static 94, Residual 16, Flow 369 gpm.
The head of the water department was reading the gauge. No plans to
investigate (yet). Think they can design a dry system in a wood truss
attic on that?
Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington,
Most site contractors have a backhoe. If you are dealing with
multiple mains, especially if they cross, it could be difficult to
find an answer using typical soundings techniques. Maybe someone in
the geology department at Rutgers (A UCONN fan recommending Rutgers?)
could maybe give you some
I usually send an RFI citing the conflict.
At 08:31 AM 12/4/2008, you wrote:
Good mornin'. I have always been under the impression that the contract
drawings for a project take precedence over the specifications. This was
just passed down from my early involvement in the trade and have never
Make that git a Suthin law'er
At 02:08 PM 12/4/2008, you wrote:
Here is the section I like to include concerning documents and
design. It's written for use in the south. Feel free to adjust it
for your specific location. I must say that living by these rules
has provided countless
No foam, part of 1.5 million sqft of unoccupied manufacturing space.
(A few years ago, I did see an 1890s system and 1890s sprinklers with
foam stacked to the bottom of the pipe.)
The building was actually built in 1935, not 1955 (full scale FIA
plan shrunk down to 8.5x11 and too much eye
The last one I saw took about 30 minutes to get up to speed. FM
wouldn't give them credit for it.
At 12:22 PM 12/7/2008, you wrote:
Wow! A steam turbine? I've only seen one before and it's actually out for
bid for replacement right now here in MA.
Did you take pictures I hope?
Tom
FGOL
Tony,
Here is a good link describing the product
http://en.wikipedia.org/wiki/Gel_battery#Gel_battery. Check for any
chemicals used in the manufacturing before you jump to OH2 conclusions.
At 01:24 PM 12/8/2008, you wrote:
Has anyone designed a sprinkler system for a facility that
Is this above a ceiling? Did the Fire Marshal sign off on this? If
this is not at least somewhat fire retardant, there could be a huge
problem. The Station fire spread via foam on the ceiling. What you
have is probably better, but could still be a significant problem.
See if the Building or
It seems to meet the intent, but.. How is the closet heated? If
there is an electric heater in a storage closet, I would be very
concerned about that as a potential ignition source. If there is warm
air fed from the dwelling, it doesn't meet the standard of no
penetrations. Is the balcony
Bad and potentially ugly. I have too many scenarios in my head to
organize or put down on what could happen. If there is any
possibility of building movement, it could ba a horror show. The old
WTC used to flex 10 ft in the wind at the top floor (designed in).
Just my thoughts...
At
Assuming no leaks, how many feet would a dry system have to drop
before the compressor comes on?
Actually, there can be plenty of reasons why DPVs will trip. Craig's
and other responses describe a lot of good scenarios, but they are by
no means all of them. Just don't necessarily believe what
I have been asked to evaluate an existing
standpipe system in a hospital. There are
separate risers and mains that feed a network of
1-1/2 fire hose cabinets (no 2-1/2 valves).
There is not sufficient water to supply the
system, based on NFPA 14 requirements. Nor have
any previous
Any thoughts about the upcoming stimulus package including anything
for Code and/or safety upgrades to public buildings?
Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington, Connecticut
www.fpdc.com
860.535.2080
___
Sprinklerforum
I have been asked to evaluate an existing
standpipe system in a hospital. There are
separate risers and mains that feed a network of
1-1/2 fire hose cabinets (no 2-1/2 valves).
There is not sufficient water to supply the
system, based on NFPA 14 requirements. Nor have
any previous
I did a hydrant flow test at a location and had a 67 psi static
pressure. About 1/2 hour later, I flowed a fire pump taking suction
from this line and had a suction pressure at churn (0 flow) of 55
psi. There is no elevation difference and the gauges used were
calibrated. I would think they
activity drew the narrow standpipe down 28'?
Booster station in the area's pump had kicked off?
glc
-Original Message-
From: sprinklerforum-boun...@firesprinkler.org
[mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Todd Williams
Sent: Wednesday, December 24, 2008 6:11 AM
Shelbyville, IL 62565
Todd Williams wrote:
I did a hydrant flow test at a location and had a 67 psi static
pressure. About 1/2 hour later, I flowed a fire pump taking suction
from this line and had a suction pressure at churn (0 flow) of 55
psi. There is no elevation difference and the gauges used were
We may not choose to participate in the recession, but will our
clients? (It reminds me of the story of the small town in Turkey.
They were told the town was built over a fault line and they could be
subject to major earthquakes. The town council unanimously voted to
move the fault line.)
Oh yea? Ask the people in TN with the sludge problem.
At 12:08 PM 12/24/2008, you wrote:
Steve,
There is no dam recession. They're still all there and full size.
Happy Holidays to all.
On Wed, Dec 24, 2008 at 8:48 AM, Steve Muncy smu...@firesprinkler.org wrote:
The AFSA Staff and Board of
Were the rods less than 6?
At 01:54 PM 12/24/2008, you wrote:
Has anybody had the opportunity to seismic brace a 13R cpvc system in
platform style construction? Recently a designer in my company submitted
plans for a NFPA 13R system built of platform style construction: TJI's for
the ceiling
Where in the maze of standards is the requirement for a fire pump to
be in a separate room?
Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington, Connecticut
www.fpdc.com
860.535.2080
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Thanks, Forest. CT is still using the 1999 edition and it is in
Chapter 2 in that one. The reference helped a lot.
At 06:40 PM 12/26/2008, you wrote:
20-5.12.1.1 INSIDE UNITS
Forest Wilson
Cherokee Fire
In a message dated 12/26/2008 6:25:56 P.M. Eastern Standard Time,
t...@fpdc.com writes:
There is a small but active studio in this area that I have done work
on. Everybody is pretty much on target. However, there also can be a
fair amount of plastics. This particular place has a full scale model
of a WWII anti-aircraft gun made of foam, cardboard and paper machet.
NFPA 140 should
I posted a problem about a month ago regarding a situation where the
suction pressure at churn of a pump was 12 psi less than the static
pressure during a flow test. Both were read at no-flow conditions and
there is no elevation difference. I was looking for an explanation,
as yet, none has
http://www.wtnh.com/dpp/news/news_wtnh_Shelton_High_fire_200812301825
Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington, Connecticut
www.fpdc.com
860.535.2080
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Sounds like NAHB talking points..
At 04:16 PM 12/31/2008, you wrote:
I agree.
I had a recent conversation with my father about the residential IBC
requirements.
His first concern was: The tenant will cause the sprinkler to activate and
flood the house if they are at war with the
the average fire fatalities in US educational facilites for years 2000 -
2005 was zero.
maybe because of sprinklers, but maybe because of:
ample exits
noncombustible construction
fire loads are not significant in most public schools, relative to the
volume they contain.
convinced from years of these and other settings that folks just
don't finagle with sprinklers.
Happy New Year Campers,
Tom
-Original Message-
From: sprinklerforum-boun...@firesprinkler.org
[mailto:sprinklerforum-boun...@firesprinkler.org]on Behalf Of Todd
Williams
Sent: Wednesday
I am skeptical about the idea of a bottom level space being unused
in a storage warehouse. At some point, someone will figure out how to
use it and then it will be a mess. Stick with the 10 ft above the
floor, I would.
At 09:51 AM 1/5/2009, you wrote:
Ron,
My answer is maybe yes...but I'd
We all know that nothing ever falls out and that stuff never collects
in empty spaces under things, does it?
At 11:42 AM 1/5/2009, you wrote:
If you room for another foot, I'll toss out a thought
We have a high level of assurance that stuff will not be located on
the floor (that pesky
500 gpm on the first and 250 gpm on each of the other three, totaling
1250 gpm. What do I win?
At 08:53 AM 1/5/2009, you wrote:
1,2,3,4.
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For Technical
Charles,
That sounds like a project that I would get
called on. Thanks for handling this one. I would
suggest an open head deluge system and with the
right lighting, you could get rainbows (sprinkler bows?).
Todd
At 05:27 PM 1/5/2009, you wrote:
Hello Craig,
I have an AHJ that suggested
Not to digress from a digression, but here is an follow up article on
the original intent of this
post.http://www.nhregister.com/articles/2009/01/06/news/valley/b1-shschoolupgrades.txt.
(Alice? You remember Alice? This is a song about Alice.)
Todd G. Williams, PE
Fire Protection
Steve,
You make a good point, but I don't see the Contractor's (at least up
here) willing to take on incompetent PEs. Most of the smaller shops
don't have the time to devote to doing the documentation to file a
grievance and what benefit would they gain? It may be good for the
industry as a
Bobby, I'm not sure what there is for specific guidance. What I
usually try to do is keep all of the suction pipe the same size (or
larger, if distance is an issue) as the pump suction. I also like to
valve each tank so if a problem develops, then you can isolate the
tank and keep the system
Pump wintergreen extract in the system and smell for leaks? Could be
a problem in buried pipe, though.
At 10:09 AM 1/7/2009, you wrote:
Any tips on tracking down leaks that are buried in insulation and enclosed
in wall and ceilings? We suspect the system isn't sloped properly and
doesn't
I would like to see equal treatment; the HVAC
engineers should show a hatch pattern on the floor plan with a note that
says deign ductwork to provide a comfortable environment..
I like it! I may have to use that (with proper credit, of course) at
a couple of job meetings. I like to things
I always include hose on that type of system (unless it is an
impounded water supply with no connections)
At 01:47 AM 1/8/2009, you wrote:
Watch out! I don't think you can delete hose allowance for the parkade, as
it is included in the design criteria for 13. Anyway, I have always included
you include 750 GPM hose on ESFR?
glc
-Original Message-
From: sprinklerforum-boun...@firesprinkler.org
[mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Todd Williams
Sent: Thursday, January 08, 2009 7:07 AM
To: sprinklerforum@firesprinkler.org
Subject: RE: Apartment Building
The original post was a generic question. We do not know the nature
of the construction, how the building is classified under the
applicable Codes, nor the rating of the separation between the two
occupancies. Does the Code consider it entirely considered a Group R
or is it a mix of R and S-1?
In MA the plans and calcs are required for building permit, but not
necessarily in CT. Dots and lines on an outdated floor plan will
suffice for that phase and the rest can come when the mechanical
permit is required. Hey, but at least MA has the discipline right on
their stamp; I wish all
I may have started or at least participated in that post. One
situation I ran into a while back was a two story motel with an open
parking area underneath. I believe that the local AHJ allowed 13R
above, but wanted the full 13 below. Besides, given the water supply,
there was not going to be
There is a big difference between public record and drawing
ownership. You can check a book out of the library, but it doesn't
mean you can sell the movie rights.
At 11:33 AM 1/9/2009, you wrote:
Yes they are part of a public record, and as such you must provide copies on
request. You do
Bobby,
This is some serious stuff they are playing with. NFPA has several
standards that deal with explosion hazards and related materials.
Also, if the Gov't has a hand in it (even as a client), then they
have their own standards for protecting this stuff. There should be a
qualified FPE
Travis,
Send me your fax number. I have a drawing I created a few years back.
Todd
At 06:00 PM 1/12/2009, you wrote:
Does anyone have a moderately accurate formula for determining the longest
length of pipe I can fit in a joist space.
The project in question has 24 deep joists at 5' on
How about Automatic Sprinklers vs. Fire Sprinklers?
At 09:07 AM 1/15/2009, you wrote:
Content-class: urn:content-classes:message
Content-Type: text/plain;
charset=utf-8
Yes, I have heard it many times here in Virginia, and always find it amusing.
Paul Pinigis, P.E.
Life Safety
We also tend to use 'sprinkler' as a transitive verb (Did you
sprinkler the office area?). Neither 'sprinklered' or sprinklering'
showed up in any of my dictionary references. Of course, how many
times have you heard 'Are you going to sprinkle the office area?'
At 11:31 AM 1/15/2009, you
Be judicious in your verbifications. You may find yourself in an
untenable verbifunistic situation wherein verbaforms begin to talk on
a nounistic rather than a solid verbistian aspect.
Said like a true spec writer
Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington,
Russell,
I assume you mean rack storage of boats. I have a friend in that is
involved with that business and according to him, no. (He asked to to
do some consulting on this issue, but when I listed all of the
problems and considerations, the offer mysteriously disappeared.) I
haven't seen
I think that is the only Model A data sheet I don't have in my
Firematic catalog. Good find. I didn't know that they got much play
on the other coast.
At 06:15 PM 1/15/2009, you wrote:
I was putting our Firetrol pump controller catalog back in its place on
the shelf in our library, when I
Does anybody know where I could find a copy of Ken's article? I'd be
interested.
At 03:53 PM 1/15/2009, you wrote:
http://www.mail-archive.com/sprinklerforum@firesprinkler.org/msg04310.html
Follow this thread.
Thanks Mark. I could not remember where that article was.
Russell, I spent alot
Salt water is a non-potable water source, so all of those rules, such
as return bends or dry pendents, would apply. Also, salt water has a
different density (64 #/cuft vs. 62.4 #/cuft) so Hazen-Williams does
not apply. You should use a program with Darcy-Weisbach. (I designed
a system for a
Tom,
If that is the old plant in RI in the upper part of the bay, I did a
small job there years ago. Stayed away from the pump, however. (I
think it is actually half way between you and me.) When I was with
FM, I did a number of pump tests at the mills around Fall River and
New Bedford
I am working on a hardware store which will have a canopy going
across the front and down one side. The canopy itself is non
combustible, but there may be product outside for display, so it
needs to be sprinklered (8.14.7.4). The product could include a
couple of wheelbarrows, bags of ice
I use it and I'm not an ASCOA guy (but I think I learned it from
one). It's also nice to see another former Insomniac Sprinkler Corp
guy up an at 'em
At 04:49 AM 1/19/2009, you wrote:
Nice to see someone else use appurtenances. I thought use of that wsa
limited to ASCOA alum.
W
I bet that sucker on page 68 of FPC would do something.
At 12:52 PM 1/19/2009, you wrote:
What kind of head guard do do you think will stop a bowling ball?
--Original Message--
From: Chris Cahill
Sender: sprinklerforum-boun...@firesprinkler.org
To: sprinklerforum@firesprinkler.org
Let me play devil's advocate (or be my typical pain in the butt).
According to NFPA 13 (2002)
6.2.7.1 Nonmetallic escutcheons shall be listed
6.2.7.2, Escutcheons used with recessed, flush-type or concealed
sprinklers shall be part of a listed sprinkler assembly
So, If the escutcheon is
I'm a little confused by your explanation, but let me try and
describe as I see it. In situations with long enough branch lines,
22.4.4.1.1.1 would apply, which is the 1.2X rule. If the branch lines
are not sufficiently long to meet the 1.2X rule, then section
22.4.4.1.1.3 would apply. In both
If I ever get around to finishing my web site, I am going to have a
Rogue's Gallery, but that will be just photos. Maybe someone could do
a monthly Top 10 stupid sprinkler tricks
At 05:25 AM 1/21/2009, you wrote:
But hpw could you resist?
LOL
Perhaps FPC, Spkr Age, Or SQ should collect war
I think they were bought out by Globe many years ago. Also, try
www.firespec.com. They were involved at one point.
At 05:05 PM 1/21/2009, you wrote:
Does anybody know where one can find any information (spec's, data sheets,
etc.) on Hodgman sprinklers?
Bobby Gillett
Sr. Project Manager
And hey if it's properly sprinklered (to an
extent) fire protection engineering is a marginal concern.
Curious comment. Care to expand on that?
Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington, Connecticut
www.fpdc.com
860.535.2080
I did a flow test a couple of days ago on an underground main that
had recently been looped. There is a main that feeds a hydrant and
sprinklers to the building at the end of the loop. I flowed the
hydrant and read the pressures off the first test port on the
backflow preventer (before any
with the contractor. Your scenario is
like a dead end main with your gauge on the last hydrant if I am
interpreting it correctly.
-Original Message-
From: sprinklerforum-boun...@firesprinkler.org
[mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Todd
Williams
Sent: Friday
Per edition 5 of the American Mutual Insurance Alliance Simplified water
supply testing In testing a water system at a sprinklered plant, sometimes
we can note the residual pressure from a gauge at the base of the nearest
riser. This is not recommended as standard practice, but may be used when
That is exactly how I learned it. I didn't stay at a Holiday Inn
Express, but I did sleep in my car in the parking lot. Does that count?
At 10:07 PM 1/23/2009, you wrote:
When taking the static/residual reading from a sprinkler riser, I think the
effective point (the point the calcs should be
and Mark is sticking pins in his PE voodoo dolls.
Maybe that explains the pain in my right shoulder
Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington, Connecticut
www.fpdc.com
860.535.2080
___
Sprinklerforum mailing
Steve, they didn't say when it was re-opening. Keep us informed.
(That was actually the only response I could come up with that
wouldn't get me thrown off the Forum). I like how the article
included a Google map so you could get directions. I wonder if this
will show up in Success Stories in
You can probably get adapters. But be sure to check the thread type.
At 02:38 PM 1/28/2009, you wrote:
Anyone ever seen a fire hydrant with 2 hose butts rather than the most
common 2-1/2? I need a cap in order to perform a flow test.
Russell Rewis
Brown Automatic Sprinklers, Inc.
107C
There are a couple of issues with the CT bill that Terri forwarded to
me (such as the referenced subsection does not exist). I will post
more when I know more. However, the particular section references
energy modifications to existing buildings and says nothing of sprinklers.
At 02:27 PM
I'm not sure when the first handbook was printed, but Bob Hodnett was
the editor. try www.isbndb.com. You might be able to find the numbers in there
At 08:49 AM 1/30/2009, you wrote:
Good morning all,
Strange request here . I'm in the process of backfilling my library with
older
I am working with local 5-story hospital that has an existing Class
II standpipe. If this was being built as a new structure, there would
be a Class I or III installed. Is there any reason why the standpipe
system would need to be upgraded? (We are doing a water supply
upgrade and would need
...@firesprinkler.org] On Behalf Of Todd
Williams
Sent: Tuesday, February 03, 2009 1:36 PM
To: sprinklerforum@firesprinkler.org
Subject: RE: Hospital standpipe - update
John, The hospital is in CT and the Codes up here are vague.
Update - I walked the whole facility for the first time this morning
?
John Drucker
Fire Protection Subcode Official
Red Bank, NJ 07701
-Original Message-
From: sprinklerforum-boun...@firesprinkler.org
[mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Todd
Williams
Sent: Tuesday, February 03, 2009 8:39 AM
To: sprinklerforum@firesprinkler.org
This comes from a member of the Shelton, CT High School Building
Committee in an article on why sprinklers weren't installed as part
of the recent renovation. (This was as a result of a well publicized
fire around Christmas):
Installing sprinklers involves running water pipes through the
A pulse..
At 09:26 AM 2/4/2009, you wrote:
What are the qualifications to be a member of the building committee ?
-Original Message-
From: sprinklerforum-boun...@firesprinkler.org
[mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Todd
Williams
Sent: Wednesday
Where can I find some information regarding protection of an MRI
space? Most of the installations have seen or designed are pre-action
systems. I am now looking at one with a regular wet system with a
valve and dielectric coupling. Are there any issues with water-filled pipe?
Todd G.
...@firesprinkler.org] On Behalf Of Todd Williams
Sent: Wednesday, February 04, 2009 9:55 AM
To: sprinklerforum@firesprinkler.org
Subject: MRI
Where can I find some information regarding protection of an MRI
space? Most of the installations have seen or designed are pre-action
systems. I am now looking
Chris,
You need to look at this just like any other storage occupancy. It
can also depend on where you are. An Evidence Room in Los Angeles
could be very different than one in East Wazoo. Is this for current
cases or archival storage? Shelves? Racks? How high? If your storage
is less than 12
a seized crack
lab is, when placed in an evidence room?
-Original Message-
From: sprinklerforum-boun...@firesprinkler.org
[mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of
Todd Williams
Sent: Wednesday, February 04, 2009 4:59 PM
To: sprinklerforum@firesprinkler.org
Code is regulation; Standard is guideline. Standard can be adopted by
Code and modified as the jurisdiction desires
At 12:54 PM 2/5/2009, you wrote:
dumb, really dumb question, but is not the IFC more of a maintenance code
and the IBC the new construction code?
if the IFC applies to this
If you read the commentary in the Handbook (NFPA 13-2002) under
section 6.1.2.2, that seems to open up the idea of removing and
replacing sprinklers in limited applications, to which this might
apply. Also, if you remove the sprig/drop/arm over and replace it,
but do not touch the sprinkler,
Steve,
I'm not sure I agree. Aside from what the book says, I look at this
type of situation and I have a couple issues with it. Sprinklers at
the deck are typically uprights directly off a branch line (or
perhaps a short sprig). The pendent sprinklers may be fed by swing
joints or flexible
Protection Design Consulting
San Diego, CA
-Original Message-
From: sprinklerforum-boun...@firesprinkler.org
[mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of Todd Williams
Sent: Friday, February 06, 2009 4:29 PM
To: sprinklerforum@firesprinkler.org
Subject: RE: CEILING CLOUDS
Steve,
Sprinklering the attic is not always voluntary. Some jurisdictions
are requiring it
At 11:49 AM 2/9/2009, you wrote:
Right - I mean to say that if you VOLUNTARILY sprinkler the attic, as
you might to satisfy the draft-stopping and compartmentalization
provisions of the building
I wonder if they were using bamboo scaffolding. Could cause a fire to
spread down
At 09:38 AM 2/11/2009, you wrote:
Chris,
See this video
http://www.ireport.com/docs/DOC-210388
In this video (and some others) there is a small fire atop the building.
Smitty
-Original Message-
It comes from barrel making (coopering). I believe croze is the
notch cut in the wooden staves to hold the hoops. I think the chime
to the top hoop on the barrel.
At 02:55 PM 2/12/2009, you wrote:
In reviewing chapter 8 of NFPA 22, Water Tanks, there are two terms that I
am not familiar
What is the construction of the space? Are there exposed wood joists?
Other combustible loading? Does the hatch allow a person into the
space or would all work on the heat pumps have to be reaching through
the opening? If it is an unaccessible, N/C space, would 8.14.1.2.2
(2002) apply?
At
It is tough to tell without specifics, but I will throw out an idea.
Perhaps some combination of Novec (or something similar) in large
equipment cabinets and server rooms and a pre-action system for the
entire space. Depending on the height and design of the tower,
evacuation may be a
are not part of a continuous
rated shaft how could you justify penetrations through the floors?
On Fri, Feb 13, 2009 at 2:06 PM, Todd Williams t...@fpdc.com wrote:
What is the construction of the space? Are there exposed wood joists? Other
combustible loading? Does the hatch allow a person into the space
OK, using algebra, (don't know)/(don't know) = 1. Since the question
of how often leaks occur only comes up when a leak occurs and the
answer is 1, could this then be the source of the inevitable answer
this has never happened before?
At 09:51 AM 2/18/2009, you wrote:
Do not believe or
So if we install a pump in a separate pump house, we don't have to
satisfy NFPA 20? Call you competition and tell them you have a job
they might be interested in.
At 11:19 AM 2/19/2009, you wrote:
The owner has two tanks outside the NFPA 13 building, buried in the ground.
He wants to
Are plumbing designers going to start doing hydraulic calculations?
At 11:09 AM 2/20/2009, you wrote:
Never mind raising eyebrows, how is our industry going to find the
thousands of design tech's and literally dozens of thousands of
installers necessary to serve this market? Plumbing
. It's just math, right?
Didn't Bernie Madoff say that?
Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington, Connecticut
www.fpdc.com
860.535.2080
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Good luck. The biggest one I can find on the shelf out here is 50' x 100'.
At 06:16 PM 2/20/2009, you wrote:
I'VE REQUESTD MY 1.6 Billon of TARP, and am just waiting for the check. When
it comes I'll buy pie for all of you!
Happy weekend!
Thom McMahon, SET
Firetech, Inc.
2560 Copper Ridge
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