Nice image. Brings back the undulating picture of Nisqually. On Fri, Jan 22, 2010 at 12:59 PM, Roland Huggins <[email protected]> wrote: > I think you are missing an underlying philosophical point to seismic > protection. Different parts of the system do one of two things: they > either move with the surrounding structure or they move differentially > from that structure. Since you are allowed to use such holes as the > hanger and you are attaching the sway braces to the same main that are > anchored to the same structural family, I'm going with they are in the > move together portion of the system. As such, why do you want > clearance? Granted we are NOT talking branch lines that wave to their > own tune. > > Roland > > On Jan 22, 2010, at 12:33 PM, Todd Williams wrote: > >> I ma working on a job where the engineer wants to run the mains >> through penetrations in steel beams. The question came up about >> clearance between the penetration and the pipe. Section 9.3.4 does >> not specifically address beams, but it is referenced in the handbook >> commentary under 9.3.4.1. Any thoughts on what minimum penetration >> size is required? >> >> Todd G. Williams, PE >> Fire Protection Design/Consulting >> Stonington, Connecticut >> www.fpdc.com >> 860.535.2080 >> _______________________________________________ >> 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) >> > > _______________________________________________ > 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) >
-- Ron Greenman Instructor Fire Protection Engineering Bates Technical College Tacoma, WA Member: SFPE, ASCET, NFPA, AFSA, NFSA AFAA, WSAFM _______________________________________________ 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)
