Module 5: Final Preparation for Construction

1. Compaction and Grading

Machinery (Rollers, Compactors)

Achieving Desired Levels and Slopes

• Laser Grading: Ensures precise leveling (±5mm tolerance).

• Slope Calculation:

• Minimum 1:50 gradient for drainage.

• Berms/swales used to direct water flow.

• Proof Rolling: Final check for soft spots before paving.

2. Site Handover

Quality Checks and Snagging

• Structural Inspection:

• Cracks, uneven settlement, drainage function.

• Utility Testing:

• Water pressure, electrical continuity, gas leaks.

• Snagging List:

• Minor defects (e.g., backfill depressions, membrane tears).

Documentation (As-Built Drawings)

• Updated Plans: Reflects actual construction vs. original design.

• Key Details:

• Utility locations, foundation depths, material specs.

• Digital Formats: CAD/BIM files for future maintenance.

3. Environmental Considerations

Erosion Control and Sediment Management

• Silt Fences: Filter runoff water.

• Hydroseeding: Rapid grass growth to stabilize soil.

• Sediment Basins: Collect debris before water exits site.

Sustainable Groundwork Practices

• Recycled Materials: Crushed concrete for sub-base.

• Low-Impact Techniques:

• Permeable paving to reduce runoff.

• Topsoil preservation for landscaping.

• Carbon Reduction:

• Electric machinery, local material sourcing.

Conclusion

This module ensures the site is properly compacted, documented, and environmentally compliant—ready for construction.