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  1. Home
  2. General
  3. Infrastructure Development Processes
  4. Quality Assurance Information Requirements
    1. QA-1 Resource Consent Application Requirements
    2. QA-2 Works Undertaken By or For a Council
    3. QA-3 Development Works Approval
    4. QA-4 Survey Plan (s223) Approval
    5. QA-5 Final Sign Off (s224c) Application Requirements
    6. QA-6 As-Built Information
    7. QA-7 Bonds and Maintenance Fee
    8. QA-8 Building Consent Considerations
  5. Design Standards
    1. DS-1 General Provisions
    2. DS-2 Streetscape
    3. DS-3 Reserves
    4. DS-4 Transportation Network
    5. DS-5 Stormwater
    6. DS-6 Wastewater
    7. DS-7 Water Supply
    8. DS-8 Public Lighting
    9. DS-9 Network Utilities
    10. DS-10 Natural Hazards & Earthworks
    11. DS-11 Road Zone/Road Reserve Occupancy
    12. DS-12 Building Consent Considerations
  6. Standard Drawings
    1. SD-1 General Provisions
    2. Street design diagrams
    3. T100 Perspective Drawings
    4. T200 Streetscape
    5. T300 Reserves
    6. T400 Transport Network
    7. T500 Stormwater
    8. T600 Wastewater
      1. T601-Manhole - Standard
      2. T602-Manhole - Shallow
      3. T603-Manhole - Ladder and Steps
      4. T604-Manhole - Precast 1050mmØ Lid
      5. T605-Manhole - Entry Fixing
      6. T606-Manhole - Standard and Raised Access Detail
      7. T607-Manhole - Inclined Access Detail
      8. T608-Manhole - Internal Drop
      9. T609-Manhole - External Drop
      10. TT610-Manhole - PE Pipe Connections - Wall Adapter and Pre-Cast Manhole
      11. T611-Manhole - PE Pipe Connections - Stub Flange and In-Situ Base
      12. T612-Manhole - PE Pipe Connections - Electrofusion Coupler and In-Situ Base
      13. T613 Manhole - PE Pipe Connections - Puddle Flange and Pre-Cast Manhole
      14. T614-Manhole - Access Detail in Carriageway
      15. T620-Rodding Eye - Shallow < 2.5m
      16. T621-Rodding Eye - Deep > 2.5m
      17. T630-Property Connection - Standard
      18. T631-Property Connection - Depth > 2.5m
      19. T632-Property Connection - Within Property
      20. T633-Property Connection - Outside Property
      21. T634-Property Connection - Entry to Wastewater Main/Manhole
      22. T637-Lateral Connection - Single Connection to Manhole
      23. T638-Lateral Connection - Two or More Connections to Manhole
      24. T639-Lateral Connection - Single Connection to Main
      25. T640-Lateral Connection - Two Connections to Main
      26. T641-Lateral Connection - Two Adjacent Connections to Main
      27. T642-Lateral Connection - Rear Lot Connection
      28. T643-Mains Connection - Saddle Connection
      29. T651-Bedding and Backfill Details
      30. T652-Anti-Scour Block and Trenchstop
      31. T653-Buildings Near Public Mains
      32. T654-Close Proximity - Retaining Wall Restrictions
      33. T660-Pump Station - Typical Site Layout
      34. T661-Pump Station - Elevation Section
      35. T662-Pump Station - Plan Section
      36. T663-Pump Station - Pedestal Base Plate, Pedestal Mounting, Valve Chamber and Riser Connection
      37. T664-Pump Station - Deflector Plate, Ladder and Plinth
      38. T665-Pump Station - Valve Extension Spindle, Spindle Guide and Handwheel
      39. T666-Pump Station - Cover Slab
      40. T667-Pump Station - Frame
      41. T668-Pump Station - Chamber Lid
      42. T669-Pump Station - Chamber Lid Padlock and Handle
      43. T670-Pump Station - Rising Main Entry to Receiving Manhole
      44. T671-Pump Station - 25mm Water Service Connection
      45. T672-Pump Station - Electrical - Standard 2 Pump Stn Without Soft Starters (1 of 2)
      46. T673-Pump Station - Electrical - Standard 2 Pump Stn Without Soft Starters (2 of 2)
      47. T674-Pump Station - Electrical - Standard 2 Pump Stn SMC - 3 Soft Starters (1 of 2)
      48. T675-Pump Station - Electrical - Standard 2 Pump Stn SMC - 3 Soft Starters (2 of 2)
      49. T676-Pump Station - Electrical - Standard 2 Pump Stn IMS2 Soft Starters (1 of 2)
      50. T677-Pump Station - Electrical - Standard 2 Pump Stn IMS2 Soft Starters (2 of 2)
      51. T678-Pump Station - Electrical - Standard 2 Pump Stn ISMC - 3 Soft Starters (1 of 3)
      52. T679 Pump Station - Electrical - Standard 2 Pump Stn ISMC - 3 Soft Starters (2 of 3)
      53. T680-Pump Station - Electrical - Standard 2 Pump Stn ISMC - 3 Soft Starters (3 of 3)
      54. T681-Electrical - 2 Pump Stn Mincas SMC-3 Soft Starters (1 of 2)
      55. T682-Electrical - 2 Pump Stn Mincas SMC-3 Soft Starters (2 of 2)
      56. T683-Pump Station - Electrical Cabinet
    9. T700 Water Supply
      1. T700-Water Supply Pipe Hierarchy
      2. T701-Water Supply - Looped and Linked Principal Mains
      3. T705-Water Main - Location at Intersections
      4. T706-Watermain - Location at Cul de Sac
      5. T707-Water Main - Rider Main to Main Connection
      6. T708-Water Main - Flushing Point
      7. T709-Water Main - Branch Valves and Hydrant Combinations
      8. T710-Water Main - Support for Asbestos Cement Main
      9. T713-Hydrant Surround
      10. T714-Hydrant Box
      11. T715-Hydrant Surround Blocks
      12. T716-Valve Surround
      13. T717-Valve Box
      14. T718-Valve Surround 75mm Concrete
      15. T719-Valve Surround 100mm Concrete
      16. T720 Valve Surround Heavy Duty Concrete
      17. T721-Anchor block for Sluice Valves on Mains
      18. T722-Anchor Block for Flanged Fittings on Mains
      19. T723-Thrust Blocks
      20. T724-Hydrant and Valve Marker Post
      21. T727-Water Meter - Type 1 and 2 Point of Supply Location Installation
      22. T728-Water Meter - Type 3 and 4 Point of Supply Location Installation
      23. T729-Water Meter - Fire System Connection With Potable Supply Installation
      24. T730-Standard 20mm Manifold Connection
      25. T731-Standard 20mm Manifold Connections - Plan View
      26. T732-Multiple 20mm Installations
      27. T733-20mm Connection Requiring Double Check Valve
      28. T734-20mm Connection Requiring RPZ Installation
      29. T735-25mm, 40mm or 50mm Meter Installation With Double Check Valve
      30. T736-<50mm Meter Installation with RPZ
      31. T737-Property Connection - 50mm Combination Meter Installation with Double Check Valve
      32. T738-Combination Meter Installation with RPZ
      33. T739 >50mm Combination Meter Installation with RPZ & Bypass Option
      34. T740-Property Connection - Secure Connection
      35. T741-Manhole - Class A Loading
      36. T742-Chamber - Class A Loading
      37. T743-Manhole - Class B Loading
      38. T744-Chamber - Class B Loading
      39. T751-Bedding and Backfill Details
      40. T753-Buildings Near Public Mains
    10. T800 Public Lighting
    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

DS-3.4 Design


The following shall apply:

  1. Unless otherwise approved by Council, the design of a Reserve shall be in accordance with the IDC and may be supplemented by the documents listed in DS-3 Apx A – Appendix A: Associated Standards.
  2. The Consent Holder may enter into an agreement with Council to allow development of reserve land to vest. Such development work shall be in accordance with detailed plans, costings and specifications that have been approved by Council.
  3. The design of a reserve shall conform with the planned future use of the reserve as determined by Council.
  4. Earthworks may be carried out on a reserve to remove such items as tree stumps, buildings and foundations, farm tracks, cattle yards, roading aggregate etc. and to provide maximum finished gradients. 
  5. A safety audit shall be carried out and all potential hazards eliminated, isolated or minimised in accordance with the requirements of the Health and Safety in Employment Act 1992 and its amendments.
  6. Reserves shall be free from noxious & invasive weeds, tree stumps, old shelterbelts, buildings & foundations, aggregates, & any other material/s that inhibits the reserves intended use.
  7. Refer to DS-2.5 Topsoil and Grassing for topsoil and grassing requirements.

DS-3.4.1 Lanform and Contours

City Plan Performance Standard: Appendix 12E
  1. Where any land is proposed to be vested in Council as a reserve, that land shall be designed and constructed to ensure:

    1. The completed reserve will meet the following gradients:

  2. For areas maintained by mowing using tractor mounted equipment:

General                                                                       Sports fields
                                                                                     Across the direction of play in the direction of play
Minimum – 1 in 80 (1.25%)                                          Minimum – 1 in 120 (0.8%)
Maximum – 1 in 5 (20%)                                              Maximum – 1 in 50 (2%)    Maximum – 1 in 100 (1%)

  1. For areas maintained by vegetation planting, mulching and/or weedeating operations:

Minimum – 1 in 80 (1.25%)
Maximum – 1 in 2.5 (40%)

  1. For gardens:

Minimum – 1 in 120 (0.8%)
Maximum – 1 in 10 (10%)

  1. For cycleways or walkways used by the public:

Minimum – 1 in 120 (0.8%)
Maximum – 1 in 8 (12.5%) or 1in 5 (20%) for all weather access
Crossfall – between 1 in 25 (4%) and 1 in 50 (2%)

  1. For accessways for reserve maintenance:

Minimum – 1 in 120 (0.8%)
Maximum – 1 in 5 (20%) for all-weather access; and
1 in 8 (12.5%) for other accesses

  1. Any locations where the minimum grades cannot be achieved and are adjacent to a watercourse the area shall be finished with riparian planting;

  2. All-weather access for maintenance is provided;

  3. That mowable areas are presented in established amenity turf grass.

The following shall apply:

  1. The landform for the reserve shall be designed to be appropriate for its use and, as far as possible, align with the adjoining landform.

  2. Existing natural features shall be retained unless they do not fit with the proposed use of the reserve as determined by the Council

  3. Refer to City Plan Reserves Performance Standards for slope details. Except where dictated by a natural feature (e.g. an open watercourse) no batter shall be greater than specified to allow for mowing by tractor mounted equipment.

  4. Reserve areas shall allow for adequate drainage with no ponding under normal conditions.

DS-3.4.2 Existing Trees

All existing trees that are affected by the proposed works shall be shown on Infrastructure Development Plans. This includes any intrusion within the dripline and/or root system, access to site or other potential risks to a tree by nature of the works occurring.

Suitable healthy trees shall be retained where practicable. Discussion and agreement with a Council Arborist shall take place prior to lodging Infrastructure Development Plans.

DS-3.4.3 Drainage of Reserves

City Plan Performance Standard: Appendix 12E
  1. Reserves, other than drainage reserves, shall include drainage methods to effectively accommodate stormwater flows from a 2% AEP (1 in 50 year) rainfall event.

  2. Where the reserve will also convey stormwater as part of a stormwater management system, management of that stormwater may be provided by the use of dry swales, piped reticulation, open channels, established overland flowpaths or a combination of these methods in compliance with Appendix 12 B – Performance Standard, Stormwater.


The following shall apply:

  1. Drainage shall be provided to and within the reserve so as to ensure that no part of the reserve has any excessive ponding in the event of a 5 year return period storm event (20%AEP). 
  2. Internal drainage shall be connected to the main area drainage system in accordance with the overall catchment plan for the area. 
  3. Internal reserve drainage may be provided by dry swales. Where a significant upstream catchment drains into and through the reserve it may be piped or channelled through an open-drain, depending on the use of the reserve. For design methods refer to DS-5 Stormwater.
  4. Where stormwater services cross or are located within a reserve they shall be protected by a drainage easement pursuant to the Reserves Act 1977.
  5. Where part or all of the reserve is to be used as playing fields for active recreation, a "herring-bone" drainage system may be required to ensure adequate drainage of the field. This system will be subject to specific design to suit local conditions and achieve the desired outcome.
Explanatory Note:
This section excludes drainage reserve design. Refer to DS-5 Stormwater for information on this.

DS-3.4.4 Planting of Reserves

Reserves shall be planted in accordance with DS-3 Appendix A - Associated Standards.

DS-3.4.5 Open Space Furniture and Structures

Drawing Ref: T240, T241, T315, T316, T317, T330, T335, T340, T350

City Plan Performance Standard: Appendix 12E
  1. Reserve furniture and play equipment shall be provided only where it meets the intended use of the reserve and specified level of service.

  2. All components of the reserve (including furniture and play equipment) shall be pre-approved by the Council and provide for an asset life that is suitable for its intended purpose;

  3. Any proposed entrance features shall be located within the reserve.

The following shall apply:

  1. Open space structures include (but are not limited to) sculptures, walls, fences, screens, bollards, entranceways, posts, etc and may be of materials such as concrete, brick, stone, rock and timber. Durability and maintenance requirements shall be considered.
  2. Where furniture (rubbish bins, seating, etc) are proposed as part of a reserve development it shall have a design life of no less than 15 years.
  3. Structures shall be located so as to not obstruct signs, sight lines at intersections and pedestrian access. Separation distances must be considered together with trees and other landscaping features.
  4. Structures shall be clearly visible and safe for people to use.
  5. Structures shall be designed to safely withstand appropriate loadings.
  6. Entrance features shall be located within the reserve.
  7. Any proposed park furniture or structures shall:
    1. Be shown on the reserve development plan and submitted for approval.
    2. Be robust, low maintenance, able to be safely used by the public and treated with approved graffiti guard.
    3. Be fully constructed and complete before hand over to Council.
  8. Should Council require the Consent Holder to undertake any reserve development works associated with the construction of walkways (excluding local purpose accessways), playgrounds, structures or park furniture, then these works will be at Council’s cost in accordance with an agreed level of service.  
  9. The Consent Holder will be responsible for obtaining all necessary approvals prior to works beginning. Playground equipment shall comply with NZS 5828 Playground Equipment and Surfacing and the New Zealand Playground Safety Manual

DS-3.4.6 Walkways

City Plan Performance Standard: Appendix 12E
  1. Where the reserve being created has its primary use as a pedestrian link (walkway) it shall be designed to provide clear sight lines between both entry and exit points of the walkway unless this is not possible due to topographical constraints.

Walkways shall be:

  1. Constructed in accordance with the TCC Track and Walkway – Development and Maintenance Manual and NZS 8630 Boardwalk New Zealand Standard Outdoor and Visitor Structures.
  2. Direct, as short as possible and have good sight-lines to allow casual surveillance.
  3. Fenced on both sides (for all local purpose accessways).

DS- Accessway Fencing

Fencing along accessways shall be one of the following:

Fence Type Maximum Height
Solid fence 1.2m
Permeable fence 1.8m
Combination solid and permeable fence

1.2m solid 

Top 0.6m permeable

Permeable fencing shall be at least 50% visually permeable.

Definitions in this section


City plan


Consent holder


Development works

Drainage system


Infrastructure development plans



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