20th IS controls upgrade and duct cleaning

This scope of work is to provide replacement of degraded and obsolete Excel 5000 series controllers at the B301 20th IS space, which are at their end of service life, and full programming of those replacements, including graphics. This project shall also replace several associated control & operation components. The controller series is obsolete, and replacement parts are no longer being manufactured, which causes extreme delay times and often emergent upgrades for repairs.

Additionally, this scope of work shall provide cleaning of the interior surface of the entire supply and return ductwork system serving the west secure area of .... Read More