This provides technical requirements for the design of waterways, wetlands, stormwater pipes and other structures.
IDS Part 5 – Stormwater and Land Drainage [PDF, 534 KB] provides criteria for the design of stormwater related assets.
The Waterways, Wetlands and Drainage Guide includes specific engineering and ecological criteria for their design.
The Rain Garden Design, Construction and Maintenance Manual [PDF, 6.2 MB] details the technical requirements for the design and construction of rain gardens. It also provides a sample construction specification.
Related news
Excellence in civil construction
Three Christchurch City Council projects have come out on top at the Civil Contractors New Zealand (CCNZ) Canterbury Awards.
17 Nov 2025
Marine Parade renewal project to begin this month
Renewal work on Marine Parade in New Brighton will start on November 24.
13 Nov 2025
Safety and water upgrades on Harewood Road get underway
Safety and water upgrades on Harewood Road – including the installation of new traffic signals at the intersection of Harewood, Gardiners and Breens Road – are getting underway next week.
11 Nov 2025