SEW - ICR4 INSTALLATION OF FLUSHING POINTS/ISOLATION VALVES

• Document No.

• Audit Title

• Client / Site

• Conducted on

  Date

• Prepared by

• Location
  Address

• 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

  Yes

  No

  N/A

• Select date

  Date

• Checked By

  Select Fiona Best Murray Doherty Quinnie Tranh Tony Dibben John Di Cosmo

  • Fiona Best
  • Murray Doherty
  • Quinnie Tranh
  • Tony Dibben
  • John Di Cosmo

2. Construction Documentation

• SWMS relevant for specific site and activities

  Yes

  No

  N/A

• Flushing Point constructed as per Standard Drawings SEW_PSS_004 or SEW_PSS_008

  Yes

  No

  N/A

• Isolation Valve constructed as per Standard Drawing SEW_PSS_003

  Yes

  No

  N/A

• Excavation Permit

  Yes

  No

  N/A

• Confined Space Entry Permit

  Yes

  No

  N/A

• Valid Q form

  Yes

  No

  N/A

• Select date

  Date

• Checked By

  Select Yes No N/A

  • Yes
  • No
  • N/A

3. Construction Plant and Equipment

• Daily pre-start checklists completed for all plant

  Yes

  No

  N/A

• CSE equipment satisfactory

  Yes

  No

  N/A

• Plugs (not damaged)

  Yes

  No

  N/A

• Hoses (no leaks)

  Yes

  No

  N/A

• Select date

  Date

• Checked By

  Select Yes No N/A

  • Yes
  • No
  • N/A

4. Service Location and Protection

• "Dial Before You Dig" information <br>

  Yes

  No

  N/A

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

  Yes

  No

  N/A

• Minimum clearance maintained as per WSA 07-2007 or WSA 02-2002

  Yes

  No

  N/A

• Select date

  Date

• Checked By

  Select Fiona Best Murray Doherty Quinnie Tranh Tony Dibben John Di Cosmo

  • Fiona Best
  • Murray Doherty
  • Quinnie Tranh
  • Tony Dibben
  • John Di Cosmo

5. Traffic Management

• Set up as per site Traffic Management Plan

  Yes

  No

  N/A

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

  Yes

  No

  N/A

• Select date

  Date

• Checked By

  Select Yes No N/A

  • Yes
  • No
  • N/A

6. Inspection of Materials

• Pipe and fittings conform to specifications and are in new condition<br><br>As per standard drawing:<br><br>- SEW_PSS_003/PSS-1010-M Typical Isolation Valve Installation<br>- SEW_PSS_004 Flushing Point - Trafficable<br>- SEW_PSS_008/PSS-1012-M Flushing Point

  Yes

  No

  N/A

• Min PN16/SDR11, PE 100 and 316 SS Fittings

  Yes

  No

  N/A

• Valve/s clockwise closing

  Yes

  No

  N/A

• 3mm gasket in good condition

  Yes

  No

  N/A

• Select date

  Date

• Checked By

  Select Yes No N/A

  • Yes
  • No
  • N/A

7. Establish Environmental Controls (as per EMP)

• Silt fencing set up where required

  Yes

  No

  N/A

• Silt traps employed where required

  Yes

  No

  N/A

• Parawebbing erected around protected trees/vegetation

  Yes

  No

  N/A

• Arborist onsite for excavation within a SRZ

  Yes

  No

  N/A

• Select date

  Date

• Checked By

  Select Yes No N/A

  • Yes
  • No
  • N/A

8. Excavation

• Sufficient traffic management and signs around excavation

  Yes

  No

  N/A

• Adequate fall from heights protection installed where required

  Yes

  No

  N/A

• Spoil stored correctly or removed from site

  Yes

  No

  N/A

• Correct trenching and shoring methods used for excavations greater than 1.5m

  Yes

  No

  N/A

• Select date

  Date

• Checked By

  Select Yes No N/A

  • Yes
  • No
  • N/A

9. Isolation Valve Location

• Ensure correct fittings and pit covers are used (Trafficable or non Trafficable)

  Yes

  No

  N/A

• Is this a bridge crossing? Valves required on either side of crossing

  Yes

  No

  N/A

• Flanges wrapped in blue plastic

  Yes

  No

  N/A

• Select date

  Date

• Checked By

  Select Yes No N/A

  • Yes
  • No
  • N/A

10. Flushing Pit Location

• Ensure correct fittings and pit covers are used (Trafficable or non Trafficable)

  Yes

  No

  N/A

• Intermediate flushing point is a minimum 1000mm or 12 x diameter from valves (whichever is greater)

  Yes

  No

  N/A

• Select date

  Date

• Checked By

  Select Yes No N/A

  • Yes
  • No
  • N/A

11. Concrete Placement

• Concrete placed in accordance with WSA-07-2007 Clause 14.6.5

  Yes

  No

  N/A

• Free fall is less than 1.6m

  Yes

  No

  N/A

• Concrete is immediately compacted after placing (ensure segregation off concrete ingredients does not occur)

  Yes

  No

  N/A

• Formwork remains in place until adequate concrete strength has been achieved

  Yes

  No

  N/A

• Select date

  Date

• Checked By

  Select Yes No N/A

  • Yes
  • No
  • N/A

13. Bedding of Pipe for Open Cut

• Bottom of trench is free from sharp obstructions

  Yes

  No

  N/A

• Min 100mm compacted sand on bed of trench

  Yes

  No

  N/A

• Min 150mm compacted sand surrounding pipe

  Yes

  No

  N/A

• Marker Tape installed on top of bedding material (min 150mm above pipe)

  Yes

  No

  N/A

• Select date

  Date

• Checked By

  Select Yes No N/A

  • Yes
  • No
  • N/A

14. Compaction and Backfill

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

  Yes

  No

  N/A

• 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

  Yes

  No

  N/A

• Select date

  Date

• Checked By

  Select Yes No N/A

  • Yes
  • No
  • N/A

15. Acceptance Testing

• Pressure Testing for gravity system (vacuum or low air pressure testing)

  Yes

  No

  N/A

• Deflection testing (to be done 14 days after compaction has been completed)

  Yes

  No

  N/A

• CCTV received and satisfactory

  Yes

  No

  N/A

• Select date

  Date

• Checked By

  Select Yes No N/A

  • Yes
  • No
  • N/A

16. Reinstatement

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

  Yes

  No

  N/A

• All surplus material removed from site

  Yes

  No

  N/A

• Select date

  Date

• Checked By

  Select Yes No N/A

  • Yes
  • No
  • N/A

NOTES AND COMMENTS

South East Water Representitive

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