Please note: This is a Sole Source Notification. Specifications include, but are not limited to: 2 Heat trace controllers with snow, moisture and temperature controls. 4 - 235’ sections of heat trace cable. 2-480V connections to controllers from main panel. 940LF of saw cut to house heat trace cable with self-leveling sealant applied to cover and protect cable. Labor to install above items. Noble Overhead Door L.L.C. is the only authorized distributor and installer of the Door Engineering (DE) heat trace components in Colorado. Using Certified Door Engineering and Manufacturing DE Specialist ensures the best possible solution for performing this task on our door systems as well as preserving any associated warranty. All heat trace components for this project must be sourced through Door Engineering/Regional DE Specialist as they are designed, specified, and constructed to be compatible with the existing Bottom Rail System for the above hangar door.