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9 comments:

  1. Brendan, 15. January 2020, 9:27

    What do you expect in bureaucrat land! If Wellington was ‘Can Do City’ instead of ‘Analyse This Capital’, the sewage pipes would be fixed in a week!

     
  2. Keith Flinders, 15. January 2020, 9:57

    The comments emanating from Wellington Water over this sewer situation has me thinking that they don’t have the engineering expertise to design a longer term fix. I see another bustastrophe type disaster in the making, with a series of public meetings until they wear down the long-suffering public.

     
  3. michael, 15. January 2020, 10:01

    What about the city council’s responsibility in this? Given the council have contracted out their core infrastructure responsibilities and built up a big communications department, why don’t they do some communicating instead of staying in the background and letting Wellington Water take the flack.

     
  4. Peter Kerr, 15. January 2020, 12:43

    So the sewer IS 22m deep at the top end of Dixon Street. I can quite understand the difficulty in designing an excavation and work plan for this part of the project.
    In another post about this, 20m depth was reported and I queried it, thinking it might have been a misprint of 2.0m.

     
  5. Roy Kutel, 15. January 2020, 13:17

    I wonder if Light Rail tracks (if it’s ever going to happen) can be considered (even put in) whilst the sewers are being redone?

     
  6. Casey, 15. January 2020, 13:23

    So if the pipes are 22 metres below the surface at Willis/Dixon, where are the pumps located that feed the sewage out to Moa Point? When constructed in the 1930s, the sewage was directly discharged into the harbour, but exactly where I don’t know. Sea level is 16 metres below the surface of Willis/Dixon and it would seem unlikely given the available fall that the material would have had to be pumped up 6 metres at the discharge point. Who holds all this information and can the public view it ?

    If I was running Wellington Water, I would be making calls to the Chinese and Japanese embassies soliciting engineering expertise to get a viable solution ASAP. Those two countries don’t mess around when it comes to fixing infrastructure, unlike we do here.

     
  7. Graham Atkinson, 15. January 2020, 16:18

    Casey, the pipes are 22 metres below ground at the top of Dixon – only about 3 – 4 metres below ground at the Willis/Dixon intersection.

     
  8. Morris Oxford, 16. January 2020, 14:13

    In some places the pipes are so far below sea level that you have to pump the sewage upwards in order to get it properly into the harbour. A shocking design really.

     
  9. Kerry, 17. January 2020, 8:58

    The deep pipes are large, designed to carry water to Moa Pt, without pumping. They have to be deep in places — sometimes in tunnels — but not below sea level: the ground is high, not the pipe low.
    The old harbour discharge outlets have not been used (except in emergency) for a very long time. The water is now pumped up to the large pipes, then pumped again from Moa Pt Road up to the sewage treatment plant near the airport.
    There used to be a main drain overflow in Adelaide Rd, running down the stormwater system into the harbour, and it may still be there.