And this not needing to be a listed item since it's not necessary for the operation of the sprinkler system and it's not part of a fire alarm system I could build you one with a PS 40, a 120/24v step-down transformer for a doorbell, two ice cube DPST relays and three colored jewel lamps. I did almost the same thing except it was manual and 120v as a scoring device for a kendo dojo I once belonged to.
On Wed, Aug 12, 2009 at 5:55 AM, George Church<[email protected]> wrote: > Another reason to have a peer group if not just a circle of friends.... > When I was with ASCOA, and we were doing Chrysler's "A" Body paint building > in DE, we had to avoid exposed silicone rubbers. One call to the district > designer in Detroit office and I knew what changes had to be made in some > trim packages. > > Certainly better to find the answer than re-invent the wheel! > > glc > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of > [email protected] > Sent: Wednesday, August 12, 2009 7:48 AM > To: [email protected] > Subject: Re: Low Air Pressure Alarm Device - Gov't Project > > Mark, > The government is in a unique position to not limit competition by naming > specific manufacturers of specialty items,particularly if the desired item > is > only made by one manufacturer.They get around this by writing a > specification > that can ONLY be satisfied by the desired componant.Sounds like a conspiracy > theory,but it really isn't.They are just attempting to get what they want > and > nothing less(they may have their reasons). > If possible,try and find a competitor who may have done a similar project > with > the same branch of the government(GSA,AEC,etc.).If this fails,try and make > direct contact with the spec. writer,he may tell you(off the record)where to > find it. > > Lamar Vaughn,SET > McDonough,Georgia > ---- Mark Gouveia <[email protected]> wrote: >> I have a government project with a spec calling for a "Low Air Pressure >> Alarm Device" and want to pick the forum's brain to see if they have run >> across this before. They want box with a buzzer and green (all ok), red >> (low air pressure), and amber (silence switch on) lights connected to a > low >> air pressure switch. See end of email for the exact language. >> >> I found a product that is close to the spec, but missing an amber light at >> http://www.modsafe.com/low%20pressure%20warning.htm . Priced at $500 not >> the most economical option either. Might just have the electrician put > some >> parts together. >> >> -- >> Regards, >> Mark Gouveia >> >> 2.7.4 Low Air Pressure Alarm Device >> Each dry pipe valve trim shall be provided with a local alarm device >> consisting of a metal enclosure containing an alarm horn or bell, silence >> switch, green power-on light, red low-air alarm light and amber trouble >> light. The alarm device shall be activated by the low air pressure switch. >> Upon reduction of sprinkler system pressure to approximately 10 psig above >> the dry valve trip point pressure, the low air pressure switch shall >> actuate the audible alarm device and a red low-air alarm light. >> Restoration of system pressure shall cause the low-air alarm light to be >> extinguished and the audible alarm to be silenced. An alarm silence switch >> shall be provided to silence the audible alarm. An amber trouble light >> shall be provided which will illuminate upon operation of the silence >> switch and shall be extinguished upon return to its normal position. >> _______________________________________________ >> Sprinklerforum mailing list >> http://lists.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 > http://lists.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 > http://lists.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 _______________________________________________ Sprinklerforum mailing list http://lists.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)
