Don't water curtains require a deluge approach. I'm not sure what that configuration shown in 13 is supposed to do but certainly not a full curtain around the opening.
On Monday, June 13, 2016, Tim Stone <[email protected]> wrote: > Matt, > > > > My take and past practice is to use pendent heads as shown in figure > A.8.15.4. The idea and I believe intent for the water to spray on the Draft > Stop and fall down to the floor thus forming the “Water Curtain”. If you > were to use Sidewalls I would think they need to point at the Draft Stop to > perform that function. Chapter 8.15.4 Vertical Openings, 2010 ed. > > > > Regards, > > *G. Tim Stone* > > > > *G. Tim Stone Consulting, LLC* > > *NICET Level III Engineering Technician* > > *Fire Protection Sprinkler Design* > > *and Consulting Services* > > > > * 117 Old Stage Rd. - Essex Jct., VT. 05452* > > *CELL: (802) 373-0638 TEL: (802) 434-2968 Fax: (802) 434-4343* > > [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');> > > > > *From:* Sprinklerforum [mailto: > [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');>] > *On Behalf Of *Matt Grise > *Sent:* Monday, June 13, 2016 12:53 PM > *To:* [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');> > *Subject:* RE: Closely spaced heads at vertical opening > > > > These would be mounted in the draftstop (a boxed out steel I-beam) pointed > away from the opening. > > > > I am not clear on the intent of the design. The closely spaced sidewall > sprinklers would cover more floor space than closely spaced uprights or > pendants – but they would not throw as much water against the draft stop. > Not sure how it would compare in terms of effectiveness. > > > > Matt Grisé PE*, LEED AP, NICET II > Sales Engineer > *Alliance Fire Protection* > > 130 w 9th Ave. > North Kansas City, MO 64116 > > > **Licensed in KS & MO* > > > > 913.888.0647 ph > 913.888.0618 f > 913.526.7443 cell > *www. AFPsprink.com* > > > > > > *From:* Sprinklerforum [ > mailto:[email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');>] > *On Behalf Of *Michael Hill > *Sent:* Monday, June 13, 2016 11:37 AM > *To:* <[email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');>> > *Subject:* Re: Closely spaced heads at vertical opening > > > > Sidewalks pointed at the draft stop? > > I thought part of the reasoning was to have water hit the draft stop and > create a wall of water. > > > > Mike Hill > > Sent from my iPhone > > > On Jun 13, 2016, at 12:18 PM, Matt Grise <[email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote: > > I have an application where an open stairway will require closely spaced > heads and draft stopping. The construction of the opening lends itself to > the use of sidewall sprinklers set in the draftstop to serve as the closely > spaced heads. Is there anything that prohibits this? In reviewing the > handbook, it only mentions sprinklers – not a particular type, but this > still seems ‘out of the ordinary’. > > > > Thoughts? > > > > Thanks! > > > > Matt Grisé PE*, LEED AP, NICET II > Sales Engineer > *Alliance Fire Protection* > > 130 w 9th Ave. > North Kansas City, MO 64116 > > > **Licensed in KS & MO* > > > > 913.888.0647 ph > 913.888.0618 f > 913.526.7443 cell > *www. AFPsprink.com <http://AFPsprink.com>* > > > > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');> > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > -- Sent from Gmail Mobile
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