In Ground Drainage

• Site conducted

  Select

• Conducted on

  Date

• Prepared by

• Location
  Address

PROJECT:

• Project

• Location

• Client

VERIFICATION

• Construction drawings approved for use

  Yes

  No

  N/A

• DRW

• REV

• PVC or HDPE

SET OUT

• Set out by Builder / Surveyor

  Yes

  No

  N/A

• Co-ordination with other trades

  Yes

  No

  N/A

EXCAVATION:

• 1. Marked out per drawing

  Yes

  No

  N/A

• 2. Excavation to correct depth

  Yes

  No

  N/A

PIPE WORK:

• 1. UPVC SN6 Solvent cement joints

  Yes

  No

  N/A

• 2. Pipe install as per drawing

  Yes

  No

  N/A

• 3. Pipe install min 600mm depth to correct inverts

  Yes

  No

  N/A

• 4. Pipe bedded on select aggregate

  Yes

  No

  N/A

• 5. All pipework completed in area

  Yes

  No

  N/A

• 6. Lay identification / marking tape as required

  Yes

  No

  N/A

• 7. Pipe size used

BACKFILL

• 1. 10mm Agg or bedding sand around pipe

  Yes

  No

  N/A

• 2. Backfilling trench with dirt

  Yes

  No

  N/A

• 3. Compaction of backfill material

  Yes

  No

  N/A

TESTING:

• 1. Air Pressure Test

  Yes

  No

  N/A

• 2. Hydrostatic Test

  Yes

  No

  N/A

• 3. Vacuum Test

  Yes

  No

  N/A

• Inspection (Fair Trading or Other as required)

COMMISSIONING:

• All pipework pressure checked for leaks

  Yes

  No

  N/A

• All debris flushed from system

  Yes

  No

  N/A

• All air bled from system

  Yes

  No

  N/A

• Trench compactor used

  Yes

  No

  N/A

• Trench compacted in 150mm layers

  Yes

  No

  N/A

REINSTATEMENT OF FINISHED SURFACE:

• 1. Grass areas repaired

  Yes

  No

  N/A

• 2. Concrete areas repaired

  Yes

  No

  N/A

• 3. Asphalt areas repaired

  Yes

  No

  N/A

2. Sign Off

• CHECKED BY:

• SIGNATURE:

  Sign

• DATE:

  Date

• REVIEWED BY:

• DATE:

  Date