The contractor shall supply all labor, material, equipment, tools, safety compliance and supervision necessary to cut, fell, and manage woody vegetation and trees. The Contractor shall cut and fell tr... The contractor shall supply all labor, material, equipment, tools, safety compliance and supervision necessary to cut, fell, and manage woody vegetation and trees. The Contractor shall cut and fell trees within the designated 50-foot vegetation free zone. The project area spans approximately 2,800 linear feet along the entrance roadway and security fence at Lock and Dam 3 in Welch, Minnesota.