Part 4 – Stormwater Drainage

4.9    Open water courses

Natural watercourses are expected to be retained. 

The District Plan sets out requirements which must be incorporated into any design.

The extent of stream drainage work shall be designed to achieve a satisfactory solution recognising community flood protection, bank stability, the retention of the natural topography and ecological values, maintenance, hydraulic and safety considerations, including the downstream effects of the work.

Constructed watercourses (open drains) may be piped if there are valid engineering or design considerations and approved by Council.  The Engineering Plans should be noted accordingly.