SI01 Construction Practices SI 01.21 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.: 1.00 Flowchart No. : 01.21-FC01