DSE

Road Construction (Step by Step)
from 1 to 10
1. Survey Work

Site leveling and alignment

Using total station / auto level

Setting center line and benchmarks

2. Clearing and Grubbing

Remove trees, grass, debris, topsoil

3. Earthwork (Cut & Fill)

Cutting high areas

Filling low areas

Compaction of soil

4. Subgrade Preparation

Final shaping of soil layer

Proper compaction (95% MDD)

Field density testing

5. Sub-base Layer

GSB (Granular Sub Base)

Compacted in layers

6. Base Course

WMM (Wet Mix Macadam) or crushed aggregate

High strength layer

7. Prime Coat

Applied on base layer for binding

8. Asphalt Layers

Binder course

Wearing course (final smooth surface)

9. Finishing (Smooth Road Surface)

Compaction with roller

Final leveling and quality check

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