Resources

The NZ Transport Agency has released a pilot version of the P25 Specification for calcined bauxite for trial and comment.

This specification and guidance notes describe the required properties of open graded porous asphalt for use as a surfacing course for road pavements.

Q/1 Chipsealing specification covers the quality assurance requirements for contracts which include surfacings work incorporating chipsealing.

Stabilisation of pavement layers has a long history in New Zealand.

This specification and guidence notes set out the requirements and maintenance standard for unsealed shoulders, both gravel and grassed, including feather edges, tapers and surface water channels where adjacent pavement is sealed.

This specification sets out the requirements routine maintenance of stormwater structures.

This specification and guidance notes are for the maintenance painting of structural steelwork coated with lead-based paint.

This specification and guidance notes refer to the use of perforated corrugated plastic pipe of up to 110 mm nominal outside diameter in subsoil drains under light duty conditions, eg for use in agricultural land, playing fields and lightly loaded or…

The M27 stone mastic asphalt specification (version 1) and notes (version 1) cover stone mastic asphalt used as a pavement surfacing layer for roads and related applications.