FLNRO Engineering Manual

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The FLNRO Engineering Manual provides information related to the administration, design, construction, maintenance and deactivation of forest resource roads and Forest Service roads and bridges.

Within the manual, ministry staff will find:

  • Mandatory procedures
  • Business and technical best practices
  • Policy direction and due diligence
  • Safety protocols

The Engineering Manual is regularly reviewed and continually improved as policies and practices evolve.


4.0 Design & Construction of Bridges & Major Culverts

4.1 Mandatory Procedures and Best Practices

4.2 Structure Design & Construction Professional Responsibilities & Considerations

4.3 Design Requirements for Retaining Structures

4.4 Design Requirements for Crossings, Including Bridges & Major Culverts

4.5 Types of Bridge Structures

4.6 Types of Major Culvert Structures

4.7 Site Data & Survey Requirements for Bridges & Major Culverts

4.8 Design Discharge Criteria

4.9 Agency Referrals

4.10 Construction Drawings & Specifications

4.11 Bridge & Major Culvert Materials Acquisition

4.12 Bridge & Major Culvert Materials Quality & Fabrication

4.13 Major Culvert Construction

4.14 Use & Role of Environmental Monitors

4.15 Construction Documentation

4.16 Resources & Suggestions for Further Reading

4.17 Appendices

5.0 Road Construction

5.1 Mandatory Procedures & Best Practices

5.2 Road Construction Professional Responsibilities & Considerations

5.3 Road Corridor Preparation

5.4 Grubbing & Stripping

5.5 Disposal of Debris

5.6 Subgrade Construction

5.7 Overlanding

5.8 Road Drainage Construction

5.9 Stabilizing the Subgrade & Surfacing the Road

5.10 Construction & Use of Snow & One-Season Winter Roads

5.11 Soil Erosion & Sediment Control

5.12 Road Works Shutdown Indicators

5.13 Resources & Suggestions for Further Reading

5.14 Appendices

6.0 Road & Structure Inspection & Maintenance

6.1 Mandatory Procedures & Best Practices

6.2 Road & Structure Inspection & Maintenance Professional Responsibilities & Considerations

6.3 Road & Structure Maintenance Levels

6.4 Road Maintenance Inspections

6.5 Engineered Structure Inspections

6.6 Maintenance Budgets

6.7 Scheduling Maintenance Works

6.8 Road User Safety Considerations During Maintenance Works Operations

6.9 Routine Types of Road Maintenance Works

6.10 Routine Types of Structure Maintenance Works: Bridges & Stream Culverts

6.11 Other Maintenance Works Along Roads

6.12 Resources & Suggestions for Further Reading

6.13 Appendices