Thanks everyone for the feedback. Guess I'll have to take a closer look at
things. The reason I am involved is that sometime in the past, the wet
systems were converted to dry by changing out the alarm valves. Someone has
finally decided that 9 minute trip times are not acceptable.
Todd G Williams, PE Fire Protection Design/Consulting Stonington, CT
860-535-2080 (ofc) 860-608-4559 (cell)
Sent using CloudMagic
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On Thu, Mar 17, 2016 at 11:46 AM, Bruce Verhei <bver...@comcast.net> wrote:
Upper mid-West white pine? NW Doug Fir?
I wonder how many fires this system has controlled in last 130 years.
Best
Bruce
> On Mar 16, 2016, at 06:02, Brad Casterline <bcasterl...@fsc-inc.com>
wrote:
>
> http://buildingcoderesourcelibrary.com/Fire_Protection_History.aspx
>
> scroll about 2/3 the way down to Part 211: 1899 (Sprinkler System
> Installation Rules)
>
> The earliest Systems were installed based on British Standard Rules and,
> even today, the British pipe schedules are more 'lenient' than American
> schedules.
>
> I know Roland told me next time I tried to figure out where the max 32
> ft/sec came from to take a hammer and smash my thumb instead... I think
the
> British increased pipe size when the velocity got to 32 ft/s, and the
> Americans increased pipe size when it got to 20 ft/s.
>
> OUCH, Brad
>
>
>
>
> -----Original Message-----
> From: Sprinklerforum
[mailto:sprinklerforum-boun...@lists.firesprinkler.org]
> On Behalf Of Matthew J Willis
> Sent: Wednesday, March 16, 2016 7:46 AM
> To: sprinklerforum@lists.firesprinkler.org
> Subject: RE: Old pipe schedule
>
> Ah.., but the crux is, Are you working there under 25 or 13?
>
> R/
> Matt
>
> Matthew J. Willis
> Project Manager
> Rapid Fire Protection Inc.
> *NEW ADDRESS*
> 1530 Samco Road
> Rapid City, SD 57702
> Office-605.348.2342
> Direct Line-605.593.5063
> Cell-605.391.2733
> Fax:-605.348.0108
>
>
>
>
>
> -----Original Message-----
> From: Sprinklerforum
[mailto:sprinklerforum-boun...@lists.firesprinkler.org]
> On Behalf Of Art Tiroly
> Sent: Wednesday, March 16, 2016 6:25 AM
> To: sprinklerforum@lists.firesprinkler.org
> Subject: RE: Old pipe schedule
>
> What is the sprinkler spacing?
> Staggered spacing was quite common before 1940.
> Newer heads installed?
> High pressure water supply connected?
> It likely will barely do .10 density or maybe .15 with moderate
pressure.
> FM used to allow 3-5 psi at end head for pipe schedule.
>
> Art Tiroly
> ATCO Fire Protection
>
> -----Original Message-----
> From: Sprinklerforum
[mailto:sprinklerforum-boun...@lists.firesprinkler.org]
> On Behalf Of Todd Williams
> Sent: Wednesday, March 16, 2016 7:22 AM
> To: sprinklerforum@lists.firesprinkler.org
> Subject: Old pipe schedule
>
> I am working on a project in a mill that was constructed in 1884. On the
top
> floor, the branch piping is 3/4 - 1 - 1. Was there an older version of
pipe
> schedule that allowed smaller pipe or is this just undersized?
> Hopefully some of you history buffs (or at least those with a bunch of
old
> stuff) would know.
>
> Todd G Williams, PE Fire Protection Design/Consulting Stonington, CT
> 860-535-2080 (ofc) 860-608-4559 (cell)
> Sent using CloudMagic
> [https://cloudmagic.com/k/d/mailapp?ct=ti&cv=6.0.64&pv=8.2]
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