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Introduction

This work category provides for the renewal of drainage facilities that is not routine in nature, but that will reduce future maintenance costs.

Qualifying activities

The work category includes a range of qualifying activities.

  • Examples of qualifying activities

    Examples of qualifying activities

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

    • renewal of culverts having a cross-sectional area less than 3.4 square metres
    • repair and replacement of Kerb and Channel, provided that the deterioration is likely to adversely affect the performance of the pavement.

    Other potential activities that are not in the above list should be discussed with the Transport Agency for eligibility.

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Conditions 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 the Transport Agency (state highways), calculated in terms of present value (PV).

Approved Organisation and the Transport Agency (state highways) must undertake benefit and cost appraisals of individual projects and make copies of the evaluations available as requested by the Transport Agency.

A simplified procedure is provided for drainage renewals in the Economic Evaluation Manual – see SP1. 

Exclusions

A range of exclusions applies to the work category.

Funding assistance rate

The usual funding assistance rate is:

Applying for funding approval

Applications for funding approval should be made through the Maintenance module in Transport Investment Online(external link) (TIO).

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