PS.. Sorry about the top posting. I'm old and i forgot.
Wayne > On May 22, 2019, at 1:45 AM, Wayne S <[email protected]> wrote: > > All true. Just sayin' that water can get into the DC even when it's not > intended. > When fighting a fire in another part of a structure, the water may find it's > way into the DC. > > Not sure about not allowing water to get near a dc, can you explain that > statement? > The 2 Liebert a/c units that cooled the DC were located inside the room and > were water cooled so there was water around. I also remember the old IBM 3032 > computers at my first site needed chilled water to operate so there was a lot > of piped water going into the room. > > The FD did regular inspections and it didn't seem to bother them in either > case. > Funny, but Halon is outlawed and having it around did seem to bother them. It > was replaced with some other gas system that i can't remember the name. > > > >> On May 22, 2019, at 12:43 AM, Jim Manley via cctalk <[email protected]> >> wrote: >> >> No firefighter in their right mind is going to knowingly pump a drop of >> water anywhere near or in the direction of a data center, let alone into >> it. That's why they're equipped with Halon or other oxygen displacement, >> cooling, and flame suppression systems, and the FDs are equipped with >> appropriate Class 2 (Electrical) firefighting equipment. FDs conduct >> periodic inspections of all on-site fire-fighting equipment and the local >> station shifts do walk-throughs to review their procedures. If any >> hazardous materials are present (guaranteed in a DC), they're also taken >> into account. >> >> The FDs that serve industrial sites are equipped to fight fires where the >> fuels can range from paper through plastics, up to actual petrochemical >> fuels. I worked in the last semiconductor fab still operating in Silicon >> Valley and worked with the City of Santa Clara FD on their plans, which had >> to deal with the presence of extreme toxins and corrosives such as >> hydrofluoric acid used to etch silicon wafers. They used to be responsible >> for the Intel fab next door until it was shut down and the fab in >> Hillsboro, OR, took over all R&D production. They said it was a nightmare >> waiting to happen because of the volume of extremely hazardous chemicals >> used on-site. >> >> Someone should be sued and go to prison for signing off on permits that >> would allow water to get anywhere near a DC - it's a violation of the >> National Electric Code, for starters. If anyone sees something like that, >> it should be reported immediately, and not within the organization, since >> the facilities people are either incompetent or complicit in keeping quiet >> about it. That's what anonymous.hotlines are for, and the media, if no >> action occurs with the hotlines - we're talking about the possibility of >> serious injury and death here. >> >> >> On Tue, May 21, 2019 at 11:12 PM Grant Taylor via cctalk < >> [email protected]> wrote: >> >>>> On 5/21/19 5:33 PM, Craig Ruff via cctech wrote: >>>> The NCAR Wyoming Supercomputer Center has raised floors of about 20 feet. >>> >>> Did the support posts go all the way down? Or was there some sort of >>> grid work that supported the raised floor above an open area that >>> contained the PDUs? >>> >>> I ask because the PDUs in the DC in my office are wider (and longer) >>> than a floor tile. As such, it would require some special >>> accommodations if the support posts were 20 feet tall. >>> >>> >>> >>> -- >>> Grant. . . . >>> unix || die >>>
