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My previous post referred to the HT side of the supply
to a domestic single or three phase power supply, not to single wire earth
returns.
I don't know how high that HT was in our case, but I
can advise that the main HT transmission lines here are controlled by a
Transmission Authority, TranzGrid, and I have some of their 132kV stuff running
through my place.
Down here, those 66, 132 and 330 kV transmission lines
& their easements are shown on the Topographic Maps, so they could be
plotted, although not guaranteed to be complete.
Do they still string Single wire earth
returns?
I also installed my phonelines for a few kms
underground, but I guess there may be situations where new phone lines may
still be strung across paddocks on poles. Does anyone know?
----- Original Message -----
Sent: Wednesday, March 22, 2006 11:07
PM
Subject: RE: [Aus-soaring] SWER
Geoffs description is very similar to the SA situation.
With the exception you don't get the choice to keep it!
As for the maintenance/fire issues, it is true that the
utility in SA has a sufficiently good idea where it's assets are to deal with
these issues, but for SWERs (Which was the start of this thread) and other
remote infrastructure near where outlandings are likely to occur, this is not
GIS nor even electronically based (other than the drawings are now done on CAD
systems rather than the old pen and ink). And no, the drawings aren't to a
true scale, they are a cross between a scale drawing and a
schematic.
Regards
SWK
I can tell you the position re ownership in
southern NSW where Country Energy is the power provider, as I have recently
built a power supply to a new house on a farm.
The owners tells them where they
want the LT power located, they decide the route and build
the HT line and transformer as close to that as is technically
possible.
The owner pays for it.
The owner then has 2 options. They either opt to
continue ongoing ownership and ongoing maintenance of the HT lines and trany
or hand over ownership to Country Energy and Country Energy provide all
ongoing maintenance of those items. Almost everyone takes the latter
option.
Country Energy appear to be well aware of the exact
location of all items over which they have maintenance responsibility
because they also have liability if those fail and start fires or if trees
get too close to lines etc.
----- Original Message -----
Sent: Wednesday, March 22, 2006 4:23
PM
Subject: Re: [Aus-soaring] SWER
There are _no_ private SWER lines in SA. The utility owns
the SWER line up to the transformer pole at the house, the
transformer, the LV feed into the house and the meter.
(There are tens of thousands of kilometres of SWER in
SA)
That might be true, but there
are non SWER lines - ie: No Transformer - but still just a wire, makes no
difference when you hit them - that are private.
I might not know the right words, we just call them - power lines
:-)
In Victoria (Western District) my cousin just put in power to their
house (over 10K into their property). Power company would only pay to the
edge, and then the rest is up to them, cost them over $30,000 to get it
installed, and it is theirs, and theirs to maintain. So that is 10K of
power lines in Vic alone that I know of that are private.
Council recently sent us a letter in Panton Hill saying that we have
to maintain our own power lines once they are in the property, and up to
the first pole the council and utility provider (depending on the
circumstance) will help with trees etc.
Granted, above is very anecdotal evidence.
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