Te Manu Reserve has been subject to slips in the past as stormwater from Matipo Terrace was not piped or controlled and was simply discharged onto the slopes of the Reserve. An open polyethylene channel approximately 20 metres long was installed from Matipo Terrace into the Reserve sometime in the early 2000s.
During heavy rainfall in 2014 stormwater discharge from the open channel caused a slip to occur on the Reserve leading to a large quantity of vegetation being carried down to Emano Street.
The proposed channel will reduce the risk of slips in the reserve and, by piping the runoff under Emano Street, increase vehicle safety in rainfall events. The proposed channel will initially discharge into a bio retention swale at the base of the reserve before being piped under the road to Toi Toi Stream. A bio retention swale is a small vegetated dip that can capture sediments from stormwater. It could potentially be a habitat for the Banded Kokopu during the rainy season.
A walking track linking Matipo Crescent to Emano Street will also be constructed at the completion of the project. The design and exact location of this track have not yet been finalised.
Consultation on granting a stormwater easement is now complete, and the detailed design of the project is now underway. Thank you to everyone who provided feedback.
If you would like more information on this proposal or the process please feel free to contact Council on 03 546 0200.