WC 213: Drainage renewals

Archive - this information is for reference only and no longer maintained.

This page relates to the 2021-24 National Land Transport Programme.

Introduction

Work category 213 provides for the renewal of drainage facilities that is not routine in nature, but  will maintain the desired level of service and reduce future maintenance costs.

Qualifying activities

Work category 213 is available to the following activity classes:

• local road maintenance
• state highway maintenance.

Local road and state highway maintenance

Examples of qualifying activities

Examples of qualifying activities include, but may not be limited to the:

• renewal of culverts with a cross-sectional area of less than 3.4 square metres
• repair and replacement of kerbs and channels, if the deterioration is likely to adversely affect the performance of the pavement.

You can discuss with us (Waka Kotahi NZ Transport Agency as investor) whether other potential activities not listed above might also be eligible for inclusion in this work category.

Exclusions

Work category 213 excludes:

• replacement of culverts with a cross-sectional area of 3.4 square metres or greater – these are funded under work category 216.
  Work category 216: Bridges and structures renewals

Requirements for inclusion

To qualify for inclusion in this work category, the work must be the long-term, least-cost option for the approved organisation and Waka Kotahi (for its own activities), calculated in terms of present value (PV).

The approved organisation and Waka Kotahi (for its own activities) must undertake PV cost appraisals of individual projects and make copies of the evaluations available as requested by us.

A simplified procedure is provided for drainage renewals in the Monetised benefits and costs manual – see SP1 Road renewals.

Monetised benefits and costs manual

Funding assistance rate

The usual funding assistance rate (FAR) is:

• the approved organisation's normal FAR
  Normal funding assistance rates

or

• the approved organisation's special purpose roads maintenance FAR
  Other funding assistance rates

or

• 100% of Waka Kotahi state highway costs.

Submitting activities for National Land Transport Programme (NLTP) consideration and funding approval

Approved organisations and Waka Kotahi (for its own activities) submit their routine drainage renewal activities for NLTP consideration and funding approval using the maintenance, operations and renewals module in Transport Investment Online (TIO).

Transport Investment Online(external link)

User guides for TIO are available in TIO.