Wheeled Dozer Operation Skills For Construction Training

Objectives:
• Understand the role of wheeled dozers in construction.
• Identify key safety regulations and personal protective equipment.
• Recognize basic dozer components and controls.
• Explain the importance of pre-start inspections.

Topics:
• Overview of wheeled dozer applications in construction.
• Health and safety legislation (OHS Act, Construction Regulations).
• Personal protective equipment requirements.
• Major dozer components: engine, transmission, hydraulics, blade.
• Operator's manual and control familiarization.
• Pre-start inspection checklist.
• Site safety rules and communication protocols.
• Documentation and daily log procedures.

Objectives:
• Demonstrate proper start-up and shutdown procedures.
• Operate steering, braking, and throttle controls.
• Perform basic forward and reverse movements.
• Understand blade pitch, tilt, and lift functions.

Topics:
• Engine start-up and shutdown sequence.
• Steering system: articulated frame steering.
• Braking systems: service and parking brakes.
• Throttle and gear selection.
• Blade control levers: lift, tilt, angle, pitch.
• Basic manoeuvring in open area.
• Practical exercise: straight-line driving and turning.
• Common operator errors and corrections.

Objectives:
• Conduct daily pre-operational inspections.
• Check fluid levels and visual condition.
• Identify and report defects.
• Perform basic routine maintenance tasks.

Topics:
• Engine oil, coolant, hydraulic fluid, and fuel checks.
• Tyre condition and pressure inspection.
• Walk-around inspection: lights, mirrors, attachments.
• Greasing points and lubrication schedule.
• Air filter and cooling system checks.
• Reporting procedures for defects.
• Practical exercise: completing inspection checklist.
• Record keeping and logbook entries.

Objectives:
• Apply safe positioning techniques on site.
• Understand site layout and hazard identification.
• Communicate effectively with ground personnel.
• Demonstrate awareness of blind spots and tipping risks.

Topics:
• Site induction and hazard identification.
• Designated travel routes and traffic management.
• Hand signals and radio communication.
• Blind spots and mirrors adjustment.
• Centre of gravity and stability principles.
• Safe parking and shutdown procedures.
• Practical exercise: navigating a marked course.
• Emergency procedures and evacuation routes.

Objectives:
• Understand soil types and their effect on dozing.
• Perform basic cutting, carrying, and spreading.
• Adjust blade angle for different tasks.
• Manage load control and blade depth.

Topics:
• Soil classification: cohesive, granular, rocky.
• Cutting techniques: penetration depth and angle.
• Carrying techniques: load retention and spillage.
• Spreading techniques: uniform layer placement.
• Blade angle adjustment for sidecasting.
• Practical exercise: cutting and spreading soil.
• Load monitoring and blade float.
• Efficiency tips for material movement.

Objectives:
• Perform rough grading to achieve level surfaces.
• Use blade tilt and pitch for fine grading.
• Interpret grade stakes and laser levels.
• Achieve specified tolerances.

Topics:
• Rough grading vs. fine grading.
• Grade stakes and reference points.
• Laser level setup and operation.
• Blade tilt for cross-slope correction.
• Blade pitch for cutting or rolling material.
• Practical exercise: grading a designated area.
• Checking grade with string line and level.
• Common grading errors and solutions.

Objectives:
• Assess slope angles and stability.
• Operate safely on slopes and uneven terrain.
• Use proper techniques for sidehill dozing.
• Recognize and avoid rollover hazards.

Topics:
• Slope stability assessment.
• Operating uphill and downhill: gear selection.
• Sidehill dozing: blade positioning and balance.
• Avoiding oversteering and jackknifing.
• Soft ground and mire management.
• Practical exercise: dozing on gentle slope.
• Emergency rollover prevention.
• Use of slope indicators and tilt meters.

Objectives:
• Efficiently push and stockpile materials.
• Manage material segregation.
• Optimize cycle times for productivity.
• Understand stockpile geometry.

Topics:
• Stockpile types: windrow, conical, trapezoidal.
• Pushing techniques for maximum load.
• Material segregation by type and size.
• Cycle time analysis: load, carry, dump, return.
• Blade slot dozing for increased production.
• Practical exercise: building a stockpile.
• Measuring stockpile volume.
• Dust suppression and environmental considerations.

Objectives:
• Excavate trenches to specified dimensions.
• Perform backfilling and compaction.
• Work safely near excavations.
• Coordinate with other machinery.

Topics:
• Trench layout and marking.
• Excavation techniques: sidecasting and benching.
• Backfilling in lifts with compaction.
• Compaction methods: passes and moisture.
• Working alongside excavators and compactors.
• Practical exercise: trench excavation and backfill.
• Shoring and sloping requirements.
• Safety around trench edges.

Objectives:
• Use ripper attachment effectively.
• Determine ripping depth and pattern.
• Prepare ground for dozing or grading.
• Identify when ripping is necessary.

Topics:
• Ripper types: single shank, multi-shank.
• Ripping depth control and penetration.
• Ripping patterns: parallel, cross-ripping.
• Ripping in rocky or compacted soil.
• Practical exercise: ripping a designated area.
• Combining ripping and dozing.
• Ripper maintenance and tooth inspection.
• Safety precautions during ripping.

Objectives:
• Coordinate with haul trucks and loaders.
• Push-load scrapers efficiently.
• Assist loading operations safely.
• Communicate effectively with operators.

Topics:
• Push-loading scrapers: technique and timing.
• Spotting and positioning for trucks.
• Loading assistance: blade lift and push.
• Communication signals and radio etiquette.
• Maintaining safe distances.
• Practical exercise: push-loading a scraper.
• Cycle time optimization.
• Troubleshooting common issues.

Objectives:
• Clear vegetation and debris safely.
• Operate in landfill environments.
• Manage waste compaction and coverage.
• Apply environmental controls.

Topics:
• Tree and stump removal techniques.
• Pushing debris into windrows.
• Landfill cell construction and compaction.
• Spreading and compacting waste layers.
• Cover material placement.
• Practical exercise: simulated clearing and landfill.
• Environmental regulations and dust control.
• Fire prevention and safety.

Objectives:
• Perform fine grading to tight tolerances.
• Use blade controls for complex shapes.
• Utilize machine tilt and articulation.
• Achieve smooth transitions.

Topics:
• Fine grading techniques: blade float and tilt.
• Cutting ditches and V-drains.
• Shaping embankments and berms.
• Using articulation for tight spaces.
• Practical exercise: precision grading course.
• Laser and GPS guidance basics.
• Achieving specified crossfall.
• Quality control checks.

Objectives:
• Apply fuel-efficient operating techniques.
• Optimize gear selection and throttle.
• Reduce idle time and unnecessary movements.
• Monitor machine performance indicators.

Topics:
• Fuel consumption factors: load, terrain, technique.
• Optimal gear and RPM selection.
• Reducing idle time: shutdown procedures.
• Efficient travel routes and cycle planning.
• Practical exercise: fuel consumption comparison.
• Payload management and overloading.
• Machine telematics and data interpretation.
• Eco-mode and advanced features.

Objectives:
• Identify common machine faults.
• Respond to emergencies such as fire or rollover.
• Perform basic on-site repairs.
• Understand when to call for service.

Topics:
• Common faults: overheating, hydraulic leaks, electrical.
• Diagnostic procedures and warning lights.
• Fire extinguisher use and fire prevention.
• Rollover and entrapment procedures.
• Basic on-site repairs: belt replacement, hose repair.
• Practical exercise: simulated fault diagnosis.
• Emergency shutdown and evacuation.
• Reporting and documentation.

Objectives:
• Work effectively in a multi-machine environment.
• Coordinate with surveyors and supervisors.
• Apply all skills in a simulated construction project.
• Demonstrate situational awareness.

Topics:
• Multi-machine coordination: dozer, excavator, truck.
• Following site plans and grade stakes.
• Communication with surveyors: laser and GPS.
• Simulated project: bulk earthworks.
• Practical exercise: complete a dozing task from start to finish.
• Time management and productivity tracking.
• Debrief and performance review.
• Safety observation and hazard reporting.

Objectives:
• Demonstrate competency in practical assessment.
• Complete theoretical knowledge test.
• Understand certification requirements.
• Review course content and feedback.

Topics:
• Practical assessment: dozing, grading, stockpiling.
• Theoretical assessment: written test.
• Logbook review and sign-off.
• Certification criteria and SAQA alignment.
• Feedback session and course evaluation.
• Career pathways and further training.
• Issuance of certificates.
• Close-out and farewell.