If these are modular homes its likely cpvc that isn't going anywhere. Sent from my iPhone
On May 25, 2013, at 11:46 PM, "Ron Greenman" <rongreen...@gmail.com> wrote: > Whether or not the system would sway during moving would be dependent on > how it's currently installed. If in earthquake country it wouldn't sway > since it would be braced against seismic events. Pre-fabs are designed to > be moved so swaying is minimized by sway bracing or hung in such a way as > to compensate. > > > On Sat, May 25, 2013 at 8:35 PM, David Canham <dcan...@firesys.com> wrote: > >> They put the sprinklers in off site for manufactured buildings all the >> time, is this that different? All the other trades get installed before >> shipping as well. I was doing some work for a company a whole back that >> built all the building in there factory and they had sprinklers installed >> during fabrication then shipped the units to the site for final assembly. >> They connected piping from one module to the next in the field. It seemed >> to work fine. All calculations were done based on the local supply. >> Plumbing and gas was done the same way. Drop it on the foundation and >> connect the utilities. >> >> David Canham >> Fire Systems Solutions >> >> Sent from my iPhone >> >> On May 25, 2013, at 4:57 PM, Todd - Work <t...@fpdc.com> wrote: >> >>> In addition to those, my concern would be that if the pipe is suspended >> from the structure, it will probably sway back and forth during the move >> and could possibly damage heads or pipe. >>> >>> Todd G Williams, PE >>> Fire Protection Design/Consulting >>> Stonington, CT >>> www.fpdc.com >>> >>> On May 25, 2013, at 12:54 PM, "Douglas Hicks" <fire...@eoni.com> wrote: >>> >>>> An account is moving a pre-fab building. The occupancy is classrooms >> and office space. They want us to disconnect and connect the sprinkler >> piping in the attic. But, as I am considering this, I keep coming up with >> more concerns. Some of which, in not particular order, are: >>>> 1. They will need to have a FPE run the supply calcs for the new >> location. >>>> 2. The standard will be NFPA 13-2013, which will require a pit, an FDC, >> backflow devices, and a way to perform a Full Flow Test. I think I should >> have someone experienced in underground do all that. >>>> 3. The present water supply comes into the building from the floor. >> Should we disconnect and remove the riser to protect it from damage during >> transport? >>>> 4. The area has a history of water deposits in piping. When we lived >> in that town, I would reverse flush the potable water lines using air. I >> was amazed at the debris that came out of the water piping. As a result, I >> never had the low water pressure my neighbors had, nor did I need to >> replace the piping. I think the sprinkler piping should be flushed prior >> to shutting off the water and draining the piping. >>>> 5. After the building is in place, the piping will need to be >> assembled. I do not know if the attic piping is steel or plastic, I expect >> plastic. Whatever the material, I think a hydro-test is a good idea. >>>> >>>> Any other suggestions? >>>> _______________________________________________ >>>> Sprinklerforum mailing list >>>> Sprinklerforum@lists.firesprinkler.org >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org >>> _______________________________________________ >>> Sprinklerforum mailing list >>> Sprinklerforum@lists.firesprinkler.org >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org >> _______________________________________________ >> Sprinklerforum mailing list >> Sprinklerforum@lists.firesprinkler.org >> >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > > > -- > Ron Greenman > Instructor > Fire Protection Engineering Technology > Bates Technical College > 1101 So. Yakima Ave. > Tacoma, WA 98405 > > rgreen...@bates.ctc.edu > > http://www.bates.ctc.edu/fireprotection/ > > 253.680.7346 > 253.576.9700 (cell) > > Member: > ASEE, SFPE, ASCET, NFPA, AFSA, NFSA, AFAA, NIBS, WSAFM, WFC, WFSC > > They are happy men whose natures sort with their vocations. -Francis Bacon, > essayist, philosopher, and statesman (1561-1626) > _______________________________________________ > Sprinklerforum mailing list > Sprinklerforum@lists.firesprinkler.org > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
