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Posted by hawgeye on October 19, 2007, 7:44 am
> "hawgeye" wrote:
>> "AussieRich" wrote ...
>>
>> > Hi,
>>
>> > I live in australia and hve no mains water supply.
>>
>> > So I have 2 23000ltr (6000gal) corrugated steel tanks. these cost
>> > approx $3000 each.
>>
>> > I need another tank and was wondering If I could make one.
>>
>> Sure if you have a way to roll the steel and weld the seems so that they
>> don't leak.
>>
>> >http://www.talesfromthebox.com/wp-gallery/Garden/tank2.jpgis a
>> > picture of one.
>>
>> > They seem a very simple construction and my estimate is that it would
>> > cost approx $1000 in materials.
>>
>> It seems you might be able to get a plastic water storage tank for about
>> that price.
>
> Plastic tanks of this size are approximately $3000. no cheaper, will
> melt in a bushfire and don't look as good as metal to me.
Well I guess if you find them appealing to the eye, then galvanized it is.
I was thinking you could bury the plastic tank, but you would need a pump,
which I assume you already have unless you have these elevated and are using
gravity.
> The two tanks I have are riveted with the sems sealed sith silicone/
> silastic. No welding required, which would be really hard to do
> considering the metal is less than 1mm thick.
Then you better use the same size, material, and spacing of rivets unless
you plan on doing some calculations to see how much pressure the riveted
connection will handle. 6000 gal X 8.35 lbs/gal = a lot of force on a
riveted connection.
Good luck!
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