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Wednesday, July 13, 2011

Inspection Check List - General Earthwork Excavation and Backfill

Inspection Check List - General Earthwork Excavation and Backfill

No
Items have been checked :
1.
Check of setting out the works (including existing ground level, ground condition, excavated level, sub-structures and services). Excavation drawing submitted by Contractor prior to commencement.

2.
Excavation and disposal of unsuitable material to designated dumping point.

3.
Excavation executed according to drawings and specifications.

4.
Check of ground water level.

5.
Backfill material as specified.

6.
Field compaction as specified.

7.
Soil test as specified:
i) Moisture content


ii) Particle size distribution


iii) Organic matter content


iv) Dry density / moisture content relationship


v) California Bearing test


vi) Relative Density of Cohesion less soil

8
Sheet piling

9.
Safety precaution fulfilled

10.
Slopes according to drawings and specification

11.
Compaction thickness of each backfilled layer

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