The contractor must fully inform themselves of all legislation and standards associated with Occupational Health and Safety.

This section addresses the issues associated with rockwork for the protection of waterways.

View objectives, principles and considerations when planning or carrying out work to protect and rehabilitate waterway health as part of the land development process.

The contractor must only use materials approved by, and to the limitations set by us.

Specifications for excavation work

Laying, jointing and embedment of pipes must be done in accordance with the following relevant standards, drawings and this specification.

How to backfill the excavation

Placement of backfill is as defined and designated in this section.

The contractor must excavate, supply materials and construct all manholes in accordance with the Drawings, subject to the tolerances specified in Tolerances. N25 Grade concrete must be used, unless otherwise shown on the drawings.