2304 Surface drains

• Document No.

• Audit Title

• Client / Site

• Conducted on

  Date

• Prepared by

• Location
  Address

• Personnel

PROCEDURAL CHECKLIST

• In use

  Yes

  No

  N/A

VERIFICATION CHECKLIST

• In use

  Yes

  No

  N/A

NON-CONFORMANCE

• Identified by Contractor

  Yes

  No

  N/A

NON-CONFORMANCE REPORT

• Submitted.

  Yes

  No

  N/A

SURFACE DRAINS Clause R 31.3.1

• Location as designed

  Yes

  No

  N/A

• 2m separation batter edge to fence

  Yes

  No

  N/A

• Depth >=300mm

  Yes

  No

  N/A

• Slope sides <3:1

  Yes

  No

  N/A

• Gradient >1%

  Yes

  No

  N/A

• Mounding

  Yes

  No

  N/A

• Diverted into table drains at accesses

  Yes

  No

  N/A

• Top soiling and grassing.

  Yes

  No

  N/A

ROCK LINING Clause R 31.5.1

• Rock size 100-150mm for open drains

  Yes

  No

  N/A

• Rock size 200-300mm for channels

  Yes

  No

  N/A

• Geotextile class B used refer R 24

  Yes

  No

  N/A

• 95% surface area covered by Rock

  Yes

  No

  N/A

• Uniform appearance

  Yes

  No

  N/A

• Suitable for maintenance mowing

  Yes

  No

  N/A

CONCRETE LINING Clause R 31.5.2

• Concrete vibrated

  Yes

  No

  N/A

• Construction joints at 3m intervals

  Yes

  No

  N/A

• Grooved edge finish

  Yes

  No

  N/A

• Expansion joints at 20m intervals

  Yes

  No

  N/A

• Expansion joint width 15mm

  Yes

  No

  N/A

• Uniform appearance

  Yes

  No

  N/A

• Faces within 20mm tolerance

  Yes

  No

  N/A

• Concrete test results

  Yes

  No

  N/A

• Batter adjustment

  Yes

  No

  N/A

NON-CONFORMANCE

• Identified by audit

  Yes

  No

  N/A

• Report requested

  Yes

  No

  N/A

• Signature

  Sign