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Schedule
Ⅶ
-4-1-1 Block diagram for construction of
subgrade excavation
Survey & layout
Starting report
Clearing surface
Cutter
Transportation
Blasting, taking
earthwork & stone
Waste soil
transportation
Masonry & protection
Filling subgrade
Grading side slope
Grading side slope
Shaped subgrade
Measurement of center
line & elevation
Masonring side ditch
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