Here's an obscure out-left-field question. We're in the final stages of completing a storage facility for our archival collections. We plan to run a cable-tray system across the ceiling which we hope will offer a good bit more flexibility for future configurations than putting everything into conduit. The trays are made of galvanized steel and according to manufacturer specs will create "dust" ie rust, in about 20 years. Does anyone know if there are guidelines for materials used in archival storage facilities that might address something like this? I have been poking around the COol site, but I'm posting here in case any of you involved in construction projects have dealt with this issue. There are alternatives, but this is the product our installer is familiar with and other materials are significantly more costly -- but worth it if more appropriate
Chuck Patch The Historic New Orleans Collection www.hnoc.org
