I always thought it was cross slope and down, but never up. Has that
changed?
Travis Mack, SET
MFP Design, LLC
2508 E Lodgepole Drive
Gilbert, AZ 85298
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On 3/7/2017 9:17 AM, Steve Leyton wrote:
I didn’t get that impression at all, so perhaps it’s still a little
too obscure. Is it the intent that residential sidewalls can be
arranged so they discharge cross-slope and up-slope? I don’t think so …
SML
*From:*Sprinklerforum
[mailto:[email protected]] *On Behalf Of
*Matt Grise
*Sent:* Tuesday, March 07, 2017 8:11 AM
*To:* [email protected]
*Subject:* RE: Cabinets Against a Wall
Steve,
I got the impression NFPA13d 2016 8.1.1 was meant to deal with both
pendant and sidewall sprinklers. The picture shows only pendants, but
it is in a section separate from the pendant/sidewall positioning
sections. Section 10.2 also makes several references to general and
sidewall spacing under slopes.
Also – the tyco listings previously had multiple diagrams showing how
to position residential sidewalls under sloped ceilings. Those were
removed after the 13R/D code language was changed to the generalized
description of heads under slopes.
Matt
*From:*Sprinklerforum
[mailto:[email protected]] *On Behalf Of
*Steve Leyton
*Sent:* Tuesday, March 07, 2017 9:44 AM
*To:* [email protected]
<mailto:[email protected]>
*Subject:* RE: Cabinets Against a Wall
Sloped ceiling? Can a sidewall be oriented so it discharges down-slope?
You comment sent me scurrying to our tech data library and also to
NFPA 13D and 13. Both standards are mute regarding the positioning of
residential horizontal sidewall sprinklers on/under sloped ceilings.
Viking tech data sheets say to refer to the appropriate standard.
Tyco says their RHSW sprinklers can be used under sloped ceilings but
no specific positioning criteria is offered. If we use the spray
sprinkler criteria, the sprinklers have to be oriented so they are
placed at the peak of a sloped ceiling and spray downward.
Am I missing something somewhere regarding RHSW sprinklers and sloped
ceilings?
Steve L.
*From:*Sprinklerforum
[mailto:[email protected]] *On Behalf Of
*Richard Mote
*Sent:* Tuesday, March 07, 2017 6:18 AM
*To:* [email protected]
<mailto:[email protected]>
*Subject:* RE: Cabinets Against a Wall
This a sloped ceiling area, with the ceiling being attached directly
to the underside of the joists. No space to run pendants in a
conditioned area.
*Richard Mote*
Design Manager
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PO Box 407 ·7993 US Route 522, Suite 1 · Middleburg, PA 17842
*RoweSprinkler.com *·[email protected]
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*From:* Sprinklerforum
[mailto:[email protected]] *On Behalf Of
*Matt Grise
*Sent:* Tuesday, March 07, 2017 8:56 AM
*To:* [email protected]
<mailto:[email protected]>
*Subject:* RE: Cabinets Against a Wall
Pendant sprinkler?
Matt
*From:*Sprinklerforum
[mailto:[email protected]] *On Behalf Of
*Richard Mote
*Sent:* Tuesday, March 07, 2017 7:50 AM
*To:* [email protected]
<mailto:[email protected]>
*Subject:* Cabinets Against a Wall
NFPA 13D, 2017 (the edition currently in force in PA) 8.2.5.6.3 Where
sidewall sprinklers are more than 3 ft. above the top of cabinets, the
sprinkler shall be permitted to be installed on the wall above the
cabinets where the cabinets are no greater than 12 in. from the wall.
We have a case that meets all of the above criteria except for a 2”
wide crown molding around the top of the cabinets, so the overall
width is 14” around the top of the cabinet. Obvious solution is put
the sprinkler on the other end of the room, however that wall is a
rated wall with a un-conditioned space on the other side.
Any sugestions?
*Richard Mote*
Design Manager
http://www.rowesprinkler.com/emailsig/Email_Sig_Logo.jpg
*P:*570.837.7647 ·*W:* 877.324.ROWE ·*F:* 570.837.6335
PO Box 407 ·7993 US Route 522, Suite 1 · Middleburg, PA 17842
*RoweSprinkler.com *·[email protected]
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*** Confidentiality Notice ***
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strictly prohibited. If you have received this communication in error,
please notify us immediately by e-mail at [email protected]
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and delete the message and any attachments permanently from your system.
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