Resources

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

The report covers state highway bridges in the Canterbury region that were subject to significant ground motion under the Darfield and Christchurch earthquakes of September 2010 and 22 February 2011.

This report presents and discusses the results of a research project aimed at developing practices and guidelines for the use of clear zones and barriers on corners (horizontal curves).

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

To advise on the preferred method of calculating surface water flow and the limited use of the Gallaway method in New Zealand.

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…

This NZTA S6 policy document sets out the requirements for the inspection of bridges and other significant structures on the state highway network including the structural aspects of tunnels.