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Automated Straddle Crane Incident - Coggle Diagram
Automated Straddle Crane Incident
People
Individual Factors
Employee knowledge of machine operations
External individuals possess minimal knowledge of machine operations/ movements
Safety procedures communicated through internal staff when escorted or inducted
Visual exclusion zones for humans only (understanding of this may vary for different individuals)
Machine movements and components unknown
Human-supervisory control
Monitoring expectations
Attentiveness
Knowledge of machine movements
Knowledge of machine incident response
Fatigue factors
Distractions
Communication requirements
Responsible for exclusion zones
Visual objects for exclusion zones
Management
Staff structure for operations, production, and machine control
Work structure through teams managing different job tasks
Incident and Emergency Response responsibility
Security in human presence in yard through safety procedures
Control of human movements in yard through control monitoring
Nodes lockout through two-way verification
Workplaces
Work Environment
Noise
Speed
Automatic
System Control
GPS Navigational Components
Machine Expsoure
Human-machine interface
Yard layout with navigational aids
Employment Design
Monitor Controls (Human)
Human-machine interface
Controls alerts through monitors
Machine reliability
Reduced human requirements
Human supervisory controls
Workplace Design
Automated
Socio-technical system
Organised Layout
Access pathways
Staff allocation
Machine tasks assigned by humans (programmed
Management
Systems Organisational Management
Internal organisational structure
Internal organisational policies (unknown to external stakeholders)
Management of machines through human supervisory controls
Manual Nodes lockout
Monitoring of yard layering
Straddle Crane path mapping/ tracking
Speed monitoring
Human access policies
Induction (?)
Consultation with internal staff
Supervised/ guided by internal staff
Written/ oral communications of procedures (regarding zones)
Consultation of job requirements when present in the yard
Exclusion zone lockout (Nodes)
Health & Safety Management procedures
Internal and unknown to external stakeholders
Incident and Emergency Response Procedures
Internal and unknown to external stakeholders
Communication protocols with internal staff for incident response
Job Design
Shift operations
Machine shift operations
Two shifts per day
Night/ day
Machines operate 24 hours
Yard layout setup for production
Employees work shifts
Transfer of shift tasks to next crew
Information transfer between crews changing shifts
Management Decisions
Relate to Incident response
Hazard identification
Mechanical alerts/ potential failures
Machine maintenance
Nodes lockout through two-way verification
Information Transfer
Yard beacons
navigational components
proximity lasers/ sensors for machine control
Terminal Operating System (TOS) - main control centre
Wireless connection between machine and yard sensors
Encoders
Magnet Rulers
Inertial Measurement Unit (IMU)
Passive Radar Beacons
Electronic GPS Pinpoints
Nodes through human administrative control (exclusion zone lock out)
Radio frequency links
Programmable Logic Controllers (PLC's)
Verbal communication regarding nodes (exclusion zone lockout)
Yard Layout
Restricted Access
Movements controlled by Humans in Control Room
Signs for access
Signs for PPE requirements
Access via internal staff escort
Exclusion zone lockout (Nodes) requires visual human objects (cones)
Geo-fencing