ground surface of the drilling activity. The end depth below ground end_depth Numeric dt_drill_activity.end_depth surface of the drilling activity. The date and time the drill_start_date DateTime dt_drill_activity.start_date drilling activity The date and time the drill_end_date DateTime dt_drill_activity.end_date drilling activity ended. The diameter diameter Numeric dt_drill_activity.diameter of the boring. The unit of diameter_unit Text(15) rt_unit.unit_code dt_drill_activity.diameter_unit measure of the diameter. The drilling drill_method Text(50) dt_drill_activity.drill_method method used. The description of fluid used fluid Text(50) dt_drill_activity.fluid during the drilling activity. The viscosity viscosity Text(50) dt_drill_activity.viscosity of the drilling fluid. The weight of hammer hammer_wt Text(50) dt_drill_activity.hammer_wt used during the drilling activity. The distance of hammer hammer_fall Text(50) dt_drill_activity.hammer_fall fall during the drilling activity. The description of the hammer hammer_desc Text(50) dt_drill_activity.hammer_desc used during the drilling activity.
ground surface of the drilling activity. end_depth Numeric dt_drill_activity.end_depth The end depth below ground surface of the drilling activity. drill_start_date DateTime dt_drill_activity.start_date The date and time the drilling activity drill_end_date DateTime dt_drill_activity.end_date The date and time the drilling activity ended. diameter Numeric dt_drill_activity.diameter The diameter of the boring. diameter_unit Text(15) rt_unit.unit_code dt_drill_activity.diameter_unit The unit of measure of the diameter. drill_method Text(50) dt_drill_activity.drill_method The drilling method used. fluid Text(50) dt_drill_activity.fluid The description of fluid used during the drilling activity. viscosity Text(50) dt_drill_activity.viscosity The viscosity of the drilling fluid. hammer_wt Text(50) dt_drill_activity.hammer_wt The weight of hammer used during the drilling activity. hammer_fall Text(50) dt_drill_activity.hammer_fall The distance of hammer fall during the drilling activity. hammer_desc Text(50) dt_drill_activity.hammer_desc The description of the hammer used during the drilling activity.
e-TREADS_EDD_Manual.docx