The type of mechanism lift_mechanism Text(50) dt_drill_activity.lift_mechanism used to lift the hammer. Y" if this is a new drilling (Enumeration: activity at the new_yn Text(1) dt_drill_activity.new_yn yes_no_values) location or boring, "N" if not. Y" if the purpose of the drilling (Enumeration: activity is to repair_yn Text(1) dt_drill_activity.repair_yn yes_no_values) repair an existing boring, "N" if not. Y" if the purpose of the drilling (Enumeration: activity is to deepen_yn Text(1) dt_drill_activity.deepen_yn yes_no_values) deepen an existing boring, "N" if not. Y" if the boring has (Enumeration: abandon_yn Text(1) dt_drill_activity.abandon_yn been yes_no_values) abandoned, "N" if not. Y" if the purpose of the drilling (Enumeration: activity is to replace_yn Text(1) dt_drill_activity.replace_yn yes_no_values) replace an existing boring, "N" if not. Y" if the drilled (Enumeration: public_yn Text(1) dt_drill_activity.public_yn location is for yes_no_values) public use, "N" if not. The descriptive purpose Text(70) dt_drill_activity.purpose purpose of the drilling activity. The description of rig_desc Text(50) dt_drill_activity.rig_desc the drilling rig.
lift_mechanism Text(50) dt_drill_activity.lift_mechanism The type of mechanism used to lift the hammer. new_yn Text(1) (Enumeration: yes_no_values) dt_drill_activity.new_yn Y" if this is a new drilling activity at the location or boring, "N" if not. repair_yn Text(1) (Enumeration: yes_no_values) dt_drill_activity.repair_yn Y" if the purpose of the drilling activity is to repair an existing boring, "N" if not. deepen_yn Text(1) (Enumeration: yes_no_values) dt_drill_activity.deepen_yn Y" if the purpose of the drilling activity is to deepen an existing boring, "N" if not. abandon_yn Text(1) (Enumeration: yes_no_values) dt_drill_activity.abandon_yn Y" if the boring has been abandoned, "N" if not. replace_yn Text(1) (Enumeration: yes_no_values) dt_drill_activity.replace_yn Y" if the purpose of the drilling activity is to replace an existing boring, "N" if not. public_yn Text(1) (Enumeration: yes_no_values) dt_drill_activity.public_yn Y" if the drilled location is for public use, "N" if not. purpose Text(70) dt_drill_activity.purpose The descriptive purpose of the drilling activity. rig_desc Text(50) dt_drill_activity.rig_desc The description of the drilling rig.
e-TREADS_EDD_Manual_08082017.docx