The Alaska Industrial Development and Export Authority (AIDEA) is soliciting proposals from qualified Contractors to complete a winter field program consisting of: (1) Borehole drilling at route locations (specified in attached Exhibit B table); a. Thermistor Installation and Monitoring at the drilled locations (specified in attached Exhibit B table); (2) Permafrost drilling approximately 100ft away from route center line (specified in attached Exhibit C table); (3) Clear-cutting a 20-foot corridor along approximately 204.5 miles of the Ambler Access Project corridor; a. This includes providing access and site readiness at all drilling locations; (4) Collection, labeling, and delivery of subsurface samples; The purpose of this work is to obtain essential field and coring data for roadway, embankment, drainage, and bridge foundation design for the proposed Ambler Access Project. Activities under this scope are investigative in nature and do not include construction of permanent improvements.