Under Ground Hard Rock Mining T&M Equipment Expert Model for Winch Systems

Colour Code Level one : Overall Model Level Two : Sources of Hazards Level Three : Causes of Hazards

Source/Nature of the Hazard Winch Winch operation and maintenance Winch Driver Level One: Overall Model. Winch Operators In- stope/Development Workers Artisan's/Rigging Crews Mine Services Labour Supervisors Management Outcomes of the exposure Exposures Short term outcomes Long term outcomes Injury Disability Death Production loss Sec 54 Sec52 Body and organ vibration Hand and feet injuries All ranges of body injuries Exposed persons Nature of Exposure Winch Installation

Level Two : Winch hazard sources, Level 3 causes of hazards. Sources of Winch hazards Nip points on Winch Poor hazard Identification at design winch (Clutch Handles) Winch electricity Safety systems inadequate and/or not functional Poor maintenance Overload of winch Tampering with safety systems Poor Winch condition Poor Machine Maintenance Machine used beyond design life Incorrect use of machine Pulling distance to long Open Winch Drum Winch drum guard not fitted Restricted Maintenance and inspection access to Winch Winch operability and maintainability design inadequate

Level Two : Sources of Winch Operator Hazards. Level three : Causes of Hazards. Winch Operator Selection of Winch Operator Poor execution of competency assessment Poor design of competency assessment Poor Literacy assessment Interference with winch safety devices Production pressure Poor reliability of safety devices Sabotage Poor Fitness for work Poor fitness for work standards Poor fitness for work screening Poor health Medication impact Fatigue Dangerous operation of winch Failure to adhere to standards/operating procedures Inappropriate winch operator Lack of experience Poor Operator training Production pressure Lack of emergency experience Operator over confidence Poor illumination of winch Safety culture High risk tolerance Culture Lack of understanding of cause & effect Inadequate Pre-use inspection Over elaborate check list Literacy level Production pressure Difficulty of access to inspect Not using PPE Incorrect fit of PPE Incorrect design of PPE Poor Safety culture

Level Two : Sources of Winch Operation Hazards. Level Three : Causes of Hazards. Winch Operation and Maintenance Persons entering restricted/danger ous areas Failure to adhere to standards Poor Safety culture No/Poor Walkways Winch Illumination Winch and area lighting Signalling system Broken pull wire Pull wire tension Pull wire alarm faulty Pull wire not to standard Winch Rope Snatching Night shift preparation not done (by day shift) Snatching installation not to standard Pulley anchors not to standard(eyebolts) Incorrect pulley size ( not suited to rope Dia.) Poor Winch Maintenance Dust liberation Inadequate maintenance Poor Lock out system Production pressure Inadequate dust suppression during scraping process No Poor dust guard Breaking of Big Rocks Barring and Making SaIncorrect Blastingfe Poor ground conditions

Level Two : Sources of Winch Operation Hazards. Level Three : Causes of Hazards. Winch Installation Winch Transportation Poor Supervision Incorrect Rigging equipment No lifting Points Lifting from pre-tensioned support systems Cubby Construction Poor Cubby design Winch cubby not to standard Poor Lighting Operator not included in Risk Assessment No Ergonomics in Design Winch Installation Winch not installed to standard. Cubby not to standard