2304 FORMATION-SUBGRADE IN EARTH EXCAVATION.

• 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

UNDERLYING LOT

• Conforms.

  Yes

  No

  N/A

ANALYSIS OF AUDIT SAMPLE

• Soaked CBR

  Yes

  No

  N/A

• Gradings

  Yes

  No

  N/A

LABORATORY CBR Clause R 23.3

• Laboratory assessments soaked CBR

  Yes

  No

  N/A

• 70% mass passing 19mm sieve

  Yes

  No

  N/A

• Assigned values comply with table R 23.1

  Yes

  No

  N/A

• Testing frequency one per 1000m2

  Yes

  No

  N/A

INSITU FIELD CBR Clause R 23.3.3

• Project specific CBR requirement

  Yes

  No

  N/A

• Penetrometer cone at least 6mm diameter

  Yes

  No

  N/A

• Adjustments CBR complies with table R23.2

  Yes

  No

  N/A

• Testing frequency one per 200m2

  Yes

  No

  N/A

CONSTRUCTION Clauses R 23.5, R 23.6

• No sub grade zone in Rock excavation.

  Yes

  No

  N/A

• In-situ material unsuitable and removed.

  Yes

  No

  N/A

• Sub-grade replacement density 100%

  Yes

  No

  N/A

• Sub-grade zone depth 200mm

  Yes

  No

  N/A

• Acceptable INSITU covered immediately.

  Yes

  No

  N/A

• Sub-grade finish uniform appearance

  Yes

  No

  N/A

• No pounding of water finished surface

  Yes

  No

  N/A

• Sub-grade zone width meets design.

  Yes

  No

  N/A

• Sub-grade tolerance 0mm above 60mm below.

  Yes

  No

  N/A

• Sub-grade zone batters.

  Yes

  No

  N/A

NON-CONFORMANCE

• Identified by audit

  Yes

  No

  N/A

• Report requested

  Yes

  No

  N/A

• Signature

  Sign