Mel Courtney, Nelson City Councillor, put this on Facebook. Gratings block so fast even with minor rainfall when leaves are swept along to form a thick mat. Add the rubbish dropped on streets and there is a real mess to deal with. These baskets are better at letting the water through. They appear quick to clear by lifting out and up-ending into a container.
Have you seen them in real life? Are they as good as they sound and would they work well in Dunedin conditions? Would they pay their way by speed of regular clearing compared with the present system?
Thank you Jamie White for bringing to my attention Auckland Council’s Litta Trap trial.
Litta Traps have been placed at 34 sites around Waiheke island. The trial is run by Auckland Council's Wai Ora-Healthy Waterways. The traps sit inside stormwater catchpits filtering plastic and rubbish before it can reach the waterways.
In the first two months of the trial, the traps stopped around 4,000
pieces of debris from entering their waterways and beaches. Most of the
debris was plastics (34%), cigarette butts (30%) glass fragments (13%)
and processed wood (12%).
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