Design, Construction and Supervision of Road Construction/Maintenance Works
Details
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 site and operational activities
- Inspect and identify defects in and maintenance needs of 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 programme achievements
- Prepare and monitor calendarised monthly/annual maintenance programme and budgets.
Outline
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 storm water 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
- Storm water Design
- Storm water Maintenance
- Hydraulic Structures
- Erosion Protection
- Subsoil Drains
- Drainage Maintenance Summary
Completing 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 of 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
Citadel for Technological and Engineering Dev. (CITED), a leading organisation in rendering quality service in Corporate Training, Manpower Development and Continued Professional Development (CPD) of Engineers, Technologist and Technicians have been in existence for over twenty years bringing quality service to Nigerians and Nigerian Engineers. Our portfolio of programs is renowned for its breadth and depth of focus, the caliber of its speakers, its interactive, practical and result-orientated nature, and the diverse and national range of participants. It is an excellent networking opportunity.
CITED programs also offer concrete toolkits of effective and practical techniques, strategies and skills to take away. The content continually evolves in response to new business. Our workshops are designed specially for individuals interested in or currently using engineering/technical expertise/skills and technologies to solve their organisation challenges.