Description. . Summary of Responsibilities. . As part of drill crew, a 4th or 5th Floor Hand operates machines and maintains equipment used in surface drilling operations. Most of their time is spent on the rig floor assisting the driller in a multitude of functions. Floor Hands normally work 12 hour shifts. Schedules will consist of fourteen days on and fourteen days off. working both days and nights. Floor Hands are expected to represent his/...