The Alaska Department of Transportation and Public Facilities (DOT&PF) is seeking vendors capable of providing specialized marine support services for geotechnical drilling operations on the Susitna River or similar shallow draft waterways with variable currents and ice conditions. The required services include providing a tugboat with crew and a modular barge system equipped with a spud system to support drilling activities near the Deshka River area. The project will require a minimum engagement period of 30 days, with the potential for additional days depending on operational needs. • The vendor must provide a tugboat with a qualified crew capable of operating in Susitna River conditions. • The vendor must provide a modular 56’ x 30’ Flexifloat barge assembly consisting of eight units, or State approved equivalent. • The vendor must provide a two-part spud system with a moon pool or State approved equivalent capable of supporting geotechnical drilling activities. • The vendor must provide onsite crane and crew at Deshka Landing to support assembly, positioning, and operations of the barge system. • The vendor must provide daily operational support including vessel operation, positioning of barge system, and crew services.