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    5. QA-5 Final Sign Off (s224c) Application Requirements
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  5. Design Standards
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    7. DS-7 Water Supply
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  6. Standard Drawings
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    2. Street design diagrams
    3. T100 Perspective Drawings
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    8. T600 Wastewater
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    11. AB As-Built Drawings
  7. Approved Materials
  8. Construction Standards
    1. CS-1 General
    2. CS-2 Site Clearance
    3. CS-3 Earthworks
    4. CS-4 Excavation
    5. CS-5 Excavation in Trench
    6. CS-6 Fill
    7. CS-7 Bedding & Backfill
    8. CS-8 Subsoil Drainage for Earthworks & Roads
    9. CS-9 Pipework
    10. CS-10 Pipe Fittings
    11. CS-11 Manholes & Rodding Eyes
    12. CS-12 Sumps
    13. CS-13 Trenchless Technology
    14. CS-14 Road Ripping
    15. CS-15 Road Pavement Layers
    16. CS-16 Kerb & Channel
    17. CS-17 Concrete Work
    18. CS-18 Carriageway Surfacing
    19. CS-19 Roadmarking
    20. CS-20 Berm Features
    21. CS-21 Street Structures
    22. CS-22 Road Maintenance
    23. CS-23 Grassing & Turfing
    24. CS-24 Vegetation Planting & Gardens
    25. CS-25 Reinstatement
  9. Inspection & Testing Requirements
    1. IT-1 General Provision
    2. IT-2 Streetscape
    3. IT-3 Reserves
    4. IT-4 Transportation Network
    5. IT-5 Stormwater
    6. IT-6 Wastewater
    7. IT-7 Water Supply
    8. IT-8 Public Lighting
    9. IT-9 Network Utilities
Infrastructure Development Code

CS-9.0 Pipework

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The Contractor installing the reticulation and fittings shall be experienced in appropriate pipeline installation practices and methods in accordance with the manufacturer’s recommendations.

For polyethylene pipes the installation contractor shall be qualified in the following New Zealand Qualifications Authority (NZQA) unit standards for Butt and Electro fusion welding: 

  1. NZQA 25610 refers to Demonstrating knowledge of operating welding equipment.
  2. NZQA 10980 refers to Electro Fusion Welding.
  3. NZQA 10987 refers to Butt Welding.
  4. Pipes shall be accurately laid to the lines, levels and gradients shown on the approved drawings.
  5. Pipes made of plastic materials shall be laid with product labelling uppermost in the trench and with the witness marks showing. The pipe spigot shall be at the downstream end.

Definitions in this section

Approved drawings

Contractor

Product

 

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