• Document No.

  • Audit Title

  • Client / Site

  • Conducted on

  • Prepared by

  • Location
  • Personnel

  • Project No:

  • Catchment:

  • Sub Catchment:

  • CIZ No.

1. Planning and Approvals

  • All Plans/Permits valid and onsite - ie. Power Company, Council or VicRoads MOA

  • Date

  • Checked By

2. Construction Documentation

  • SWMS relevant for specific site

  • Constructed as per standard drawing

  • Excavation Permit

  • Confined Space Entry Permit

  • Valid Q form

  • Date

  • Checked By

3. Construction Plant and Equipment

  • Daily pre-start checklists completed for all plant

  • CSE equipment satisfactory

  • Fall from heights equipment/gear

  • Plugs (no damage)

  • Hoses (no leaks)

  • Date

  • Checked By

4. Service Location and Protection

  • "Dial Before You Dig" information <br>

  • All known existing services have been located and proved prior to work commencing

  • Minimum clearance maintained as per WSA 07-2006 or WSA 02-2002

  • Date

  • Checked By

5. Traffic Management

  • Set up as per site Traffic Management Plan

  • Works within specified road access time periods as stated in MOA

  • Date

  • Checked By

6. Inspection of Materials

  • Pipe and fittings conform to specifications and are in new condition

  • As per standard drawings SEW_PSS_006 or SEW_PSS_007

  • Date

  • Checked By

7. Establish Environmental Controls (as per TMP)

  • Silt fencing set up where required

  • Silt traps employed where required

  • Parra webbing erected around protected trees/vegetation

  • Date

  • Checked By

8. Excavation

  • Sufficient traffic management and signs around excavation

  • Adequate fall from heights protection installed where required

  • Correct trenching and shoring method uses for excavations greater than 1.5m deep

  • Spoil stored correctly or removed from site

  • Date

  • Checked By

9. Deconstruct existing Manhole

  • Sewerage flow diversion in place if required

  • Correct Q form in place and active

  • Appropriate CSE gear used

  • SWMS provided and approved

  • Appropriate removal/disposal of existing structure and materials

  • Date

  • Checked By

10. Testing of Concrete

  • Is this a designated MH to be tested? (1 in 5 MH's to be tested per catchment/project)

  • Acceptable slump? (Ie. 80mm +- 15mm)

  • SEW approved product/supplier used

  • Concrete a minimum 25Mpa

  • Received a copy of delivery docket, 28 day strength test and completed concrete works ITP

  • Date

  • Checked By

11. Concrete Placement

  • If this is a discharge MH, has it been constructed in accordance with drawing PSS-1018-M (ie. 1200mm in diameter)

  • Concrete to be placed in accordance with WSA-02-2002 clause 14.5.5

  • Freefall to be less than 1.6m

  • Concrete to be immediately compacted after placing (ensure segmentation of concrete ingredients does not occur)

  • Formwork has not been stripped until adequate concrete strength has been achieved

  • Date

  • Checked By

12. Finished Manhole

  • Constructed to design specification

  • Pipe connector flush with MH internal wall

  • Pipe connector/stub sealed off for future connection

  • Step irons are in accordance with SEW -1307-V

  • No visible cracks/defects

  • As constructed levels recorded by surveyor

  • Date

  • Checked By

13. Unsealed Roadway

  • Is new MH located in an unsealed roadway.

  • Top of cover left 300mm below actual road surface

  • Photos taken prior to burial

  • Marker post installed as per standard drawing SEW_PSS_005

  • Date

  • Checked By

14. Compaction and Backfill

  • Backfill to MRWA Specification No. 04-03.1 or to Road Authority's requirements

  • The Road Authority's requirements shall take precedence if they exceed the requirements of the MRWA Specification.

    MRWA Specification for roadways:
    - up to 1.5m deep - 20mm Class 2 Plant Mixed Wet Mix Crushed Rock
    - Over 1.5m - top 600mm to be 20mm Class 2 Plant Mixed Wet Mix Crushed Rock, 20mm Class 4 Crushed Rock for remainder.
    - Excavations in Footpaths - 20mm Class 4
    - Backfill placed in 200mm layers and compacted to required density 95% AS.

  • Compaction Test Report/s received

  • Date

  • Checked By

15. Vacuum Testing of Manhole

  • Is this a designated MH to be tested? (1 in 5 MH's to be tested per catchment/project)

  • Did test pass? (Ie. vacuum pressure loss <= 5kPa after a minimum of 3 minutes)

  • If not, has MH been retested and passed?

  • Received copy of ITP

  • Date

  • Checked By

16. Epoxy Coating

  • Is this a discharge MH?

  • Has it been epoxy coated?

  • Received a copy of epoxy ITP

  • Date

  • Checked By

15. Reinstatement

  • Construction Impact Zones and affected work areas restored to condition prior to commencement of works

  • All surplus material removed from site

  • Date

  • Checked By


South East Water Representitive

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