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Drainage systems

Published:
Category: Drainage , Maintenance , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

This specification replaces specification TNZ C16 Specification for maintenance of stormwater structures.

Maintenance of stormwater structures

Published:
Category: Drainage , Maintenance , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

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

Stormwater specification

Published:
Category: Drainage , Maintenance , Specifications | Audiences: General, Road controlling authorities, Road traffic engineers & consultants, Roading contractors

This P46 specification sets out the requirements for the design, construction and operation of all stormwater improvement projects.

Drainage improvements

Published:
Category: Drainage , Maintenance , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

This specification sets out the requirement for improving the existing drainage facilities.