1. SI01 Construction Practices
SI Pre-drilling (by Subcontractor)
01.21-FC01 Pre-drilling (by Subcontractor)
Start
Subcontractor
Kick-off Meeting
Contracts Manager
Prepare and
Approval of ITP
Contracts Manager
Setting Out
Survey Team No
Setting out provided
properly & eligibly
Site Engineer/
Foreman
Yes
Set up boring rig
Subcontractor No
Drillhole
Position at centre
Foreman
Yes
Fill in the
Progress Record daily
Foreman No
Drill to
the required depth
Site Engineer
Yes
Collect Specimen from S/C
Foreman
Invite ER to choose
sample for test
Site Engineer
Collect Bore log record from S/C
and Submit to ER after vetted
Site Engineer
Backfill the hole
Subcontractor No
Backfill completed
Foreman
Yes
End
Standing Instruction No. : SI 01.21
Revision No.:
Flowchart No. : FC01