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Chapter F8 Renewal of roads
F8.4 W/C 214: Sealed road pavement rehabilitation
Definition: work category 214
Sealed road pavement rehabilitation
This work category provides for the replacement of, or restoration of strength to, pavements where other forms of maintenance and renewal are no longer economic.
Examples of qualifying activities
Examples of qualifying activities for work category 214 include:
- granular overlays
- rip and relay
- pavement stabilisation
- asphaltic overlays or grader-laid asphaltic material
- pavement replacement (including the use of recycled materials).
Exclusions: work category 214
Work category 214 excludes:
- improvements - where it is prudent to carry out some improvements in conjunction with the rehabilitation, this may be programmed under work category 231: associated improvements
- pavement strengthening of unsealed roads - this is funded under work category 211: unsealed road metalling.
Evaluation: work category 214
To qualify for inclusion in work category 214, the work must be the long-term least-cost option for the RCA, calculated in terms of present value (PV).
RCAs must undertake economic efficiency evaluation of individual projects and make copies of the evaluations available as requested by the NZTA.
Reference:
- For detail on overwidth carriageways, see section F10.3.
- A simplified economic efficiency procedure is provided for pavement rehabilitation in the Economic evaluation manual, volume 1 - see SP1.
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