Winton, QLD

[Graeme Stevens <>]

And no response to email.

Graeme Stevens


________________________________
From: Birding-Aus <> on behalf of Greg and 
Val Clancy <>
Sent: Thursday, 9 August 2018 8:10 PM
To: Michael Honeyman; Peter Shute
Cc: 
Subject: Winton, QLD

I agree that we shouldn’t 'shoot from the hip' but I am still awaiting a
response from the Director of Works who promised to call me back days ago.
I have followed up but to no avail. Not a good look.

Greg Clancy

-----Original Message-----
From: Michael Honeyman
Sent: Wednesday, August 8, 2018 10:27 PM
To: Peter Shute
Cc: 
Subject: Winton, QLD

Very much depends on the site Peter!

And to an extent also depends on who you ask. I’ve worked on jobs where
previous advice given was along the lines of ‘fill it all in and build a big
automated plant’ and been able to recommend minor changes that kept the
lagoons in situ with minor modifications.

That said vegetation to any significant degree usually risks the integrity
of the lining of the pond, and whether 500 rhizomes or 250 rhizomes are
starting to penetrate the liner is academic - they all have to come out to
protect the liner.

Another factor is that ponds (usually over many years) accumulate sludge as
part of the way they operate and this needs to be periodically dug out one
way or another. If the reeds are growing in the sludge then again, they have
to come out.

This is all speculation on my part of course, just trying to give some
context as someone experienced in the design and operation of treatment
lagoons before the birding community shoots from the hip at too many council
employees. In the unique situation of being both qualified as an engineer
and qualified as an ornithologist!

mjh

> On 8 Aug 2018, at 20:52, Peter Shute <> wrote:
>
> Are compromises feasible, Mike? Eg just remove half the reeds?
>
> Peter Shute
>
> Sent from my iPad
>
>> On 8 Aug 2018, at 6:47 am, mike.honeyman <>
>> wrote:
>>
>> Hi allThere is mention of the 'old' treatment ponds, was this a current
>> active treatment plant?
>> Excessive vegetation in treatment lagoons is not condusive to their
>> primary purpose - treating sewage - so if they were active lagoons there
>> may have been a need to have removed the veg to ensure it was working
>> effectively.I'm not personally familiar with this site, but have
>> consulted on other sites where the lagoons had reeds encroaching and the
>> reeds have generally had to go, birds or not.
>> mjh
>> null
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