>> -Original Message- From: George Church
>> Sent: Monday, April 30, 2012 11:05 AM
>> To: sprinklerforum@firesprinkler.**org
>> Subject: RE: History Lesson - Spray Sprinklers become the Standard
>>
>> In our specialty freezer systems, we have less than 30 sec
l to tell how disappointed he was that the rest of us sat in our
> chairs like fools. He was right, we were fools.
>
> -Original Message- From: George Church
> Sent: Monday, April 30, 2012 11:05 AM
> To: sprinklerforum@firesprinkler.**org
> Subject: RE: History Lesson - Sp
:05 AM
To: sprinklerforum@firesprinkler.org
Subject: RE: History Lesson - Spray Sprinklers become the Standard
In our specialty freezer systems, we have less than 30 seconds to bring the
four most remote sprinklers up to their operating pressure. Once they catch
fire, the commodities in a freeze
iresprinkler.org
[mailto:sprinklerforum-boun...@firesprinkler.org] On Behalf Of
bcasterl...@fsc-inc.com
Sent: Saturday, April 28, 2012 4:59 PM
To: sprinklerforum@firesprinkler.org
Subject: RE: History Lesson - Spray Sprinklers become the Standard
Fascinating stuff! The very first sprinkler had a pendent orient
There were also seasonal systems that were shut off during cold weather. I
remember seeing a comment on an old FM document about noting when they are
turned on and off.
At 09:58 AM 4/30/2012, you wrote:
>13-2007, Section 23.1.1 Every automatic sprinkler system shall have at
>least one automati
EWe have automatic sprinkler heads, and we have automatic sprinkler heads ,
and we have automatic sprinkler systems, and we have automatic systems with
open heads (holes), but we also have manual systems with open heads or
simply just holes. I believe the first edition of NFPA 13 came out in 1905
a
13-2007, Section 23.1.1 Every automatic sprinkler system shall have at
least one automatic water supply.
CMTCert, Fig, 24.1 Remarks: Date left in service with all control valves
open.
In the very early days of perforated pipe systems, before the invention of
the automatic sprinkler, there were
'automatic' is in the definition of system types, and has probably
been required from the time the head replaced the hole.
sorry forum- i need to simmer down again- i'll try..
Ron, correction; i was waiting with bated breath, not baited.
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patiently waiting (with baited breath) for you to care Teach
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In Seattle the University of Washington used to be north of the city in
what is now the very heart (the Four Seasons Hotel now occupies the
original site). When this became too valuable a property and too small also
the University was moved to a site north and ast of Lake Union. There are
buildings
i guess. i think it all started in the big mills (whatever those were)
out east-if there was a fire in the lower 40 someone said 'hey joe, go
open valve L40E.
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A throwback to the time when they had manual or seasonal systems? The handbook
has "automatic" in the title.
At 12:50 PM 4/29/2012, you wrote:
>has anyone noticed the title of nfpa 13 is NOT 'Standard for the
>Insallation of AUTOMATIC Sprinkler Systems'? any history on this?
>anything in 13
has anyone noticed the title of nfpa 13 is NOT 'Standard for the
Insallation of AUTOMATIC Sprinkler Systems'? any history on this?
anything in 13 that says automatic is a must? Sorry to diverge even
further Cecil, from the lesson at hand. Ron, George, Steve, Ken, Thom?
anyone heard from Tho
Fascinating stuff! The very first sprinkler had a pendent orientation-
it was a hole in the bottom of a pipe ;). It might be that the value
of a simple manual system is over-looked these days. (especially
freezers where you have what, 3 or 4 days b4 the combustible even
thaws out?)
Given the fact that the 1953 edition refered to the original as "spray
sprinklers" (the original being the kind that sent "spray" up and down), we
could say that both are spray sprinklers. We just started using the term spray
when Mr. Thompson from FM started researching the new style deflecto
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