The friction loss must be huge for 20' of rolled up hose? David Canham Fire Systems Solutions
Sent from my iPhone > On Oct 15, 2015, at 2:26 PM, Pat Thompson <[email protected]> wrote: > > I was in PA for training at Victaulic this spring and they mentioned a > specialized sprinkler drop that they had produced for Apple in one of their > 'dream buildings'. The plan for the building is to have a ceiling that will > move up and down, I do not recall what was stated but I think it was in the > range of 15-20 feet. Sprinkler protection below the ceiling was of course > dilemma for this architect's exotic idea. > > Victaulic came up with a solution that was described as a reel set up using > braided flexible hose, similar to an air hose reel in a shop. They've either > gone through testing for listing or where in the process of listing it back > in April. I've never laid my eyes on it but you might want to reach out to > your Victaulic rep to see what they know. I'm sure there is significant $$$ > involved but it may be a great fit; that is of course if the customer has > pockets as deep as Apple's - LOL. > > Pat Thompson > ATS Alaska > Direct: 907-375-4176 > > -----Original Message----- > From: Sprinklerforum [mailto:[email protected]] > On Behalf Of Steven Cook > Sent: Wednesday, October 14, 2015 9:39 AM > To: [email protected] > Subject: FW: Theater Acoustic Panels > > I am reaching out to the forum to see if anyone has encountered this > situation previously, and if so how they handled the issue. > > We are working on a theater project that has retractable numerous 5' x 5' > acoustic panels, that may at any given time be located anywhere from entirely > above the sprinklers (recessed into the ceiling) to 15 feet below the > sprinklers. These panels, along with lighting and sound equipment are moved > via cable hoists. > > The engineer has suggested options including: retracting the panels > automatically upon water flow alarm, fusible links on one side of the panels > so they would drop into a vertical position, and the installation of a deluge > system utilizing sidewall sprinklers located below the lowest height of the > panels. > > There are obvious issues with all the above: moving the panels and equipment > while the theater is potentially occupied is not a desirable option and > likely has unacceptable time delays, similar concerns with the fusible links, > and the consequences of an accidental deluge system discharge in this > building would be catastrophic. Additionally the space is too large to be > covered with sidewall sprinklers along the perimeter. > > As I see it, the best (and maybe only) option is to reduce the panel size > down to less than 4 foot square. > > Any similar experience or advice? > > Thanks > > Steve Cook > Operations Manger > TG Gallagher > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
