Obvious is a treated concrete floor with an ESD safe coating. The downside is maintenance and cleaning. Large ESD mats may be better with dedicated ESD safe work areas. Dewey -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Steven Creswick Sent: Friday, January 23, 2009 8:13 AM To: [log in to unmask] Subject: Re: [TN] ESD Flooring - bare concrete Brian - Joyce, This is HEAVY equipment [ie - dirty, filthy, grimy]. I have very little concern about dirt and dust - just ESD suitability. Any comments on suitability of the bare concrete floor to mitigate charge build-up and/or transfer? Steve -----Original Message----- From: Brian Ellis [mailto:[log in to unmask]] Sent: Friday, January 23, 2009 6:39 AM To: TechNet E-Mail Forum; Steven Creswick Subject: Re: [TN] ESD Flooring - bare concrete Dust? Brian Steven Creswick wrote: > Techies, > > > > My first Friday, pseudo-technical question - I have an acquaintance that is > repairing pretty crude PWB assemblies used in the trucking industry and > needs to re-locate to gain more room. He certainly does not require > clean-room conditions. > > > > My thought was that a bare concrete floor - free of oils and greases, epoxy > coatings, etc. - would work out ok for flooring. If he had carts, he could > attach small brass chains, etc. > > > > Was also thinking that the floor would give up moisture in the Winter and > absorb it during the Summer and thereby help buffer humidity swings. > > > > He still would require ESD work-stations. > > > > What say the more ESD gurus? > > > Steve > > > > > > > --------------------------------------------------- > Technet Mail List provided as a service by IPC using LISTSERV 15.0 > To unsubscribe, send a message to [log in to unmask] with following text in > the BODY (NOT the subject field): SIGNOFF Technet > To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) > To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest > Search the archives of previous posts at: http://listserv.ipc.org/archives > Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 > ----------------------------------------------------- > --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 15.0 To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 ----------------------------------------------------- --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 15.0 To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------