• Duration 3 days
  • Lectures 0
  • Skill level All levels
  • Quizzes 0
  • Pass parcentages 80
  • Certificate Yes
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On completion of this course, participants will: Identify the scope of responsibilities and authorisations to be met Identify the project […]

Design, Construction, and Supervision of Road Construction/Maintenance Works

On completion of this course, participants will:

  • Identify the scope of responsibilities and authorisations to be met
  • Identify the project objectives and confirm requirements of the site and operational activities
  • Inspect and identify defects in and maintenance needs of the road network
  • Understand project planning targets and implement changes as required
  • Conduct ongoing monitoring and recording of on-site performance, including measurement of work output, and report on program achievements
  • Prepare and monitor calendars monthly/annual maintenance programme and budgets.

Programme Outline   

Introduction to Construction

  • Requirements of a good road
  • Basic components of a road
  • Road reserve explained
  • Roadbed explained with visuals

Start of the Road Construction Process

  • How to do road planning
  • Road Worker Job Description
  • Design for traffic loads and volumes
  • Design for maintenance
  • Materials required for constructing a road
  • Clearing the pathway for the road
  • Preparation of gravel roads
  • Grubbing and stripping of topsoil
  • Boulder removal

Road drainage & maintenance of stormwater structures

  • Definitions of drain types
  • Sub-surface drains
  • Catch-water drains
  • Miter drains
  • Scour checks
  • Culverts and their gradient and angles
  • Installation of culvert pipes & other structures
  • Stormwater Design
  • Stormwater Maintenance
  • Hydraulic Structures
  • Erosion Protection
  • Subsoil Drains
  • Drainage Maintenance Summary

Completing the final layers of gravel road

  • Off-loading of gravel
  • Compaction of gravel
  • Pave only when ready

Asphalt roads

  • Asphalt Properties
  • Paving asphalt is water repellent
  • Asphalt used in road construction
  • General Guidelines for Asphalt Construction
  • Preparation of paving asphalt mixtures
  • Asphalt Transport and safe handling
  • Paver tractor and screed units

Safe working practices

  • Road construction & Maintenance Hazards
  • Physical Hazards
  • Chemical Hazards
  • Reducing the Risk during road construction
  • Use of road signs in road construction and maintenance
  • Flagging Guidelines

Pavement Design

  • Pavement Types
  • Structural design and pavement type selection
  • Behaviour of different pavement types
  • Design methods for paved streets
  • Surface drainage
  • Sub-surface drainage
  • Service trenches
  • Pavement cross-section
  • Kerbs & channels
  • Edging

Road Maintenance

  • Road Conditions and Road Safety in South Africa
  • Road Maintenance activities
  • Classification of Maintenance
  • Routine Maintenance
  • Recurrent Maintenance
  • Periodic Maintenance
  • Urgent Maintenance
  • Maintaining gravel roads
  • Characteristics of Well-Maintained Gravel Road
  • Gravel Road Maintenance problems
  • Riding Surface
  • Crown
  • Washboard
  • Potholes
  • Drainage problems
  • Methods to repair gravel roads
  • Repairing Problem Areas
  • Patching
  • Grading of road surfaces
  • Secondary ditches
  • Grading Ditches and Drains
  • Optimum Timing/Conditions for Maintenance

Principles of Asphalt pavement distress

  • General Repairs
  • Types of asphalt road maintenance
  • Rutting and transverse cracks
  • Edge damage
  • Patches and potholes
  • Patches & Pothole repair techniques
  • Asphalt Surface patching
  • Steps for Surface patch repairs for potholes
  • Full-Depth Asphalt Repair
  • Pothole repair failures

Painting road symbols

  • Types of Road Markings
  • Instructions for applying road markings
  • Pavement Marking Removal
  • Safety guidelines when painting roads
  • Conclusion and group work

Road Construction and Maintenance Funding

  • PPPs
  • Difference between PPPs and other forms of finance
  • Operation and Maintenance Contracts
  • Finance documents and Security Documents
  • Sponsor Support Agreements
  • Project Selection Strategies and financial considerations
  • Project Appraisals and Feasibility studies
  • Credit Enhancement Techniques
  • Essential Risk Evaluation Techniques


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