Section 77.1504 - Auger equipment; operation(a) Persons shall be kept clear of the auger train while it is in motion and shall not be permitted to pass under or over an auger train, except where adequate crossing facilities are provided.(b) Persons shall be kept clear of auger sections being swung into position.(c) No person, including the auger machine operator, shall, where practicable, be stationed in direct line with a borehole during augering operations.(d) Operator of auger equipment shall not leave the controls of such equipment while the auger is in operation.(e) Adequate illumination shall be provided for work areas after dark.