When our laboratory was renovated/built in 1993, I remember there was a plumbing arrangement installed which automatically mixes both hot & cold water for the eyewash stations and showers. I might be able to dig into the prints to see what it was called & the manufacturer. Fortunately, we've never needed to use them and my people haven't neglected checking them weekly. I do wonder what would happen if there was no hot water - the water heaters do occasionally go off. The information contained in this e-mail message and any attachments may be confidential. It is intended only for the use of the individual or entities named above. If the reader of this message is not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by e-mail at the originating address. Peter Lazarski National Grid USA Lab. & Testing Svcs., Bldg. 1 7437 Henry Clay Blvd. Liverpool, NY 13088 (315)460-2114 -----Original Message----- From: DCHAS-L Discussion List [mailto:DCHAS-L**At_Symbol_Here**LIST.UVM.EDU] On Behalf Of Gordon Miller Sent: Thursday, November 10, 2005 11:02 AM To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU Subject: [DCHAS-L] More Safety Eyewash and Shower Question How are people dealing with the tepid water requirement of ANSI Z358.1? Looking on the Web, it looks like its not really being honored. The temperature range for 'tepid" is defined in Section B6 of Appendix B as being from 60 to 100 degrees F. So some more questions: * How do people who have tepid water units verify temperatures? By feel? By measurement? If measurements are used, please describe the procedure used. * Let's say the shower is indoors. Does someone have an idea of how long the tepid water lasts before the temperature drops to water main or ground temperature? * Let's say the shower is outdoors. Are there ways of avoiding water temperature extremes without a tepid water unit? Pipe insulation? More deeply buried supply lines? * Finally, tepid water units are mechanical devices with potential reliability issues of their own. Are they reliable? What sort of inspection and maintenance procedures do people have for them? "Inquiring minds want to know." Gordon Miller Lawrence Livermore National Laboratory P.O. Box 808 (L-379) Livermore, California 94550 (925) 423-8036 Fax (925) 422-5176 miller22**At_Symbol_Here**llnl.gov **** For your information: Granite State Electric, Massachusetts Electric, Nantucket Electric, Narragansett Electric, and Niagara Mohawk are each doing business under the name National Grid. **** This e-mail and any files transmitted with it, are confidential to National Grid and are intended solely for the use of the individual or entity to whom they are addressed. If you have received this e-mail in error, please reply to this message and let the sender know.
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