I actually bid one of these a while back and that was one of my first concerns. Especially in "caves"
At 02:48 PM 7/2/2010, you wrote: >Be careful not to mount sprinklers so climber can grab them. > > > > >At 01:39 PM 7/2/2010, you wrote: > >Trying to paint this picture with text. > > > > > > > >I have an 18'-6" wide x 40' long rock wall floor plan, ceiling is an all > >glass skylight starting at 42' to 46' (about 19' along the slope) with the > >rock wall against the low side. The rock wall is 40' tall for 1/3, 13' tall > >middle 1/3, 37' tall for 1/3. At the floor, the wall varies on width > >extending out to about 9' at the top creating an overhang anywhere from > >4'-9'. The belay points at the top have a 6" to 12" lip extending back over > >the wall (covered). The tops of the two high areas are open, minus the > >overhangs. The rock wall is a fiberglass over a metal lathe, construction > >of the wall is a type IIB. There are access panels and access ladders in > >the space behind the wall so storage behind the wall is for certain. > > > > > > > >So, the plan is to have EC sidewalls at the high side of the skylight > >spraying down the slope. The top of the walls are greater than 18" below > >the glass (almost 4') where they occur so they are not floor mounted > >obstructions per NFPA. We will have uprights beneath the 13' level as this > >is one large shelf to continue up the other 2 walls. > > > > > > > >My question is can I assume that the spray will both extend over and > >into/down the cavity created by the wall (behind) and also spray to the > >floor beneath the overhang created by the wall as it extends past vertical > >(the 4-9' distance)? > > > > > > > >I cannot use SC-HSW because the floor area will not be covered and it would > >require a 2nd line, and would definitely be an obstruction for the overhang. > >Pendents are out because the skylight steel will not support the piping and > >the overhang again and the Arch is having a conniption about the pipe where > >we can install it. > > > > > > > >It looks something like this..the EC sidewall would be to the lower right > >side spraying down and towards the wall > > > >http://eldowalls.com/wp-content/uploads/2008/05/modgeckoxlphantom-web.jpg > > > > > > > >Happy 4th! > > > > > > > >D > > > >_______________________________________________ > >Sprinklerforum mailing list > >[email protected] > >http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > > >For Technical Assistance, send an email to: [email protected] > > > >To Unsubscribe, send an email to:[email protected] > >(Put the word unsubscribe in the subject field) > >Todd G. Williams, PE >Fire Protection Design/Consulting >Stonington, CT >860.535.2080 >www.fpdc.com > >_______________________________________________ >Sprinklerforum mailing list >[email protected] >http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > >For Technical Assistance, send an email to: [email protected] > >To Unsubscribe, send an email to:[email protected] >(Put the word unsubscribe in the subject field) Todd G. Williams, PE Fire Protection Design/Consulting Stonington, CT 860.535.2080 www.fpdc.com _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
