Is the mainline located correctly as per the approved 'detail design plans'?
Is there adequate soil cover? (Minimum 450mm - photo)
Thrust blocks are installed correctly? (Photo)
Are fittings used for changes in direction? (photo)
Backfill material is free of rock and debris? (photo)
Are all sleeves present and located accordingly to approved design plan (photo)
Only solvent welded joints (SWI) in sleeves? (Confirm with contractor)
All cables are in conduits?
Conduit has a minimum soil cover of 450mm?
Cable pits are located at any changes in direction >45 degrees?