Any tips

"~ janj" wrote in message
...
Manky Badger wrote:
I'm starting digging a pond today. the plan is that it's 4 metres
long, 2 metres wide, and going down in steps to a maximum of 2 metres
deep. Anyone got any tips?

Some questions spring to mind - can I just dig the hole & line it -
will the sides cave in?

Depends on soil type and if you destroy the integrity of the soil.... When
we dug our ponds we didn't dig into the sides (change our mind on the
shape), so even though I'm in almost pure sand the sides haven't caved.
(12
years) 3 foot koi ponds have 18" shelf all around. 2 foot lily pond does
not.

But 4 meters is much deeper so you may need support or sharp angles
downward. ~ jan

I was planning on two metres deep as the main at the Koi centre said two
metres, but I read on the net that one metre is plenty. What IS the minimum
depth for koi carp?

On Mon, 02 Oct 2006 23:45:54 -0400, Henry Mankinna
wrote:


"marika" wrote in message
news
On Mon, 02 Oct 2006 17:31:04 -0400, Gantz wrote:


Köi-Lö wrote:
==========================
Do some research online before you buy your liner. Where I live the
clay
soil caves in unless the hole is bowl shaped where the water pressure
keeps
the sides from caving in. Our berms caved in anyway and both ponds
had to
be redone and the berms done in reinforced concrete.


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On Tue, 3 Oct 2006 23:06:52 +0100, "Manky Badger" wrote:

I was planning on two metres deep as the main at the Koi centre said two
metres, but I read on the net that one metre is plenty. What IS the minimum
depth for koi carp?

If it is a combo koi/water garden at least 1 meter. But if you want a
serious, for good growth and tone, koi pond, do the 2 meters. ~ jan

--------------
See my ponds and filter design:
www.jjspond.us

~Keep 'em Wet!~
Tri-Cities WA Zone 7a
To e-mail see website

"Manky Badger" wrote in message
...
I'm starting digging a pond today. the plan is that it's 4 metres long, 2
metres wide, and going down in steps to a maximum of 2 metres deep.
Anyone got any tips?

Some questions spring to mind - can I just dig the hole & line it - will
the sides cave in?
If I (as I hope to) use the soil from the hole to build up the sides of
the pond, how thick should the sides be?

And does anyone know of a decent pond shop in Kent (UK)?

Hi !
I think the general advice is to have some sand on the bottom and sides of
the hole to protect the liner.
Also I think you'll find the water pressure in the liner will push the out
rather than the soil outside caving in.
My suggestion is to back-fill the soil/sand whilst filling the pond with
water.

Secondly, we have a store literally round the corner from where we live
called "Swallow Aquatics". I live in Rayleigh, Essex
They also have a shop in Kent near Southfleet (Gravesend ?)
Their number is 01474 56112

Brendan

Personally I see no problem with 2m deep. However 2m deep and only 2m
wide, with shelves, is going to make for an awkward lining with sheet
liner, I speak with the experience of lining my 4ft deep 10ft wide,
shelved pond. Try making up a shelved cardboard box and try lining that
with plastic sheet to see what I mean. Given your dimensions I'd suggest
either digging straight down to depth and building concrete block walls
or if you want built in shelves reduce the depth or preferably increase
the width significantly.

Personally straight down and concrete walls would be my choice, its
simpler to line and greatly increases the water volume, plant shelves
can them be made of benchs sat on the pond floor or plants can be hung
in baskets from the sides. Make sure you or visitors could, unaided,
get out of 6ft deep water should they fall in

That said I would do some research before going any further, look into
filtration, pumps, access, wiring and plumbing etc

A good UK site to browse is http://www.koicymru.co.uk/construct.htm
http://www.yorkshirekoi.co.uk/ may also be useful

useful american board is
http://208.67.224.245/forums/
the latter is for ideas, not techniques, their building methods differ
from ours.

Re a minimum thickness for soil levees, I dont know numeric values but
I think they are a good idea because, IMO, they allow the pond level to
be above the surrounding ground level which avoids runoff and liner
ballooning issues. Mine is about 2ft wide at the top, ie wide enough
for a path, for ease of access reasons not structural.




--
sean mckinney

Manky Badger wrote:

I'm starting digging a pond today. the plan is that it's 4 metres long, 2
metres wide, and going down in steps to a maximum of 2 metres deep.
Anyone got any tips?

Some questions spring to mind - can I just dig the hole & line it - will
the sides cave in?
If I (as I hope to) use the soil from the hole to build up the sides of
the pond, how thick should the sides be?

I've somehow lost the most recent posts to this group, so I'll respond to
your later questions here :-)

For _show_ koi (please: not "koi carp" - that's so repetitively redundant),
deeper is supposedly better. If you have herons or other predators, deeper
is better. 2 meters is probably more than you need, but 1.5 is good.

Whether the soil will tend to collapse depends entirely on the soil. I went
down 5 feet in almost pure sand, and had very little trouble - but I think
it was perhaps reaching it's natural lifetime when I sold that place after
about 5 years. There was beginning to be some slippage. In clay, you
probably never need to worry. You also need to worry about drainage,
though - if your pond goes below, or even close, to the water table, you
will _always_ have trouble with subsidence, even in clay, because the
hydrostatic pressure outside will counter the pressure inside the pond.
--
derek

Do you really mean 2 metres deep but only 2 metres wide? I think in the UK,
because of the danger of the sides collapsing, a commercial company would
not be allowed to dig that without installing temporary shoring. You would
certainly not want to dig it alone; you would need someone on standby just
in case ...

cheers, Davy

"Manky Badger" wrote in message
...
I'm starting digging a pond today. the plan is that it's 4 metres long, 2
metres wide, and going down in steps to a maximum of 2 metres deep.
Anyone got any tips?

Some questions spring to mind - can I just dig the hole & line it - will
the
sides cave in?
If I (as I hope to) use the soil from the hole to build up the sides of
the
pond, how thick should the sides be?

And does anyone know of a decent pond shop in Kent (UK)?

Manky Badger wrote:
I'm starting digging a pond today. the plan is that it's 4 metres
long, 2 metres wide, and going down in steps to a maximum of 2 metres
deep. Anyone got any tips?

Some questions spring to mind - can I just dig the hole & line it -
will the sides cave in?
If I (as I hope to) use the soil from the hole to build up the sides
of the pond, how thick should the sides be?

And does anyone know of a decent pond shop in Kent (UK)?

Just had a thought. I have some Bradshaws liner underlay spare. Never
undone. 2Mts x 8Mts. I'm in Erith, Kent. Can be yours for the cost of your
petrol to pick it up.
--
ßôyþëtë

"sean mckinney" wrote in message
...

Personally I see no problem with 2m deep. However 2m deep and only 2m
wide, with shelves, is going to make for an awkward lining with sheet
liner, I speak with the experience of lining my 4ft deep 10ft wide,
shelved pond. Try making up a shelved cardboard box and try lining that
with plastic sheet to see what I mean. Given your dimensions I'd suggest
either digging straight down to depth and building concrete block walls
or if you want built in shelves reduce the depth or preferably increase
the width significantly.

Personally straight down and concrete walls would be my choice, its
simpler to line and greatly increases the water volume, plant shelves
can them be made of benchs sat on the pond floor or plants can be hung
in baskets from the sides. Make sure you or visitors could, unaided,
get out of 6ft deep water should they fall in

That said I would do some research before going any further, look into
filtration, pumps, access, wiring and plumbing etc

A good UK site to browse is http://www.koicymru.co.uk/construct.htm
http://www.yorkshirekoi.co.uk/ may also be useful

useful american board is
http://208.67.224.245/forums/
the latter is for ideas, not techniques, their building methods differ
from ours.

Re a minimum thickness for soil levees, I dont know numeric values but
I think they are a good idea because, IMO, they allow the pond level to
be above the surrounding ground level which avoids runoff and liner
ballooning issues. Mine is about 2ft wide at the top, ie wide enough
for a path, for ease of access reasons not structural.

Cheers for that.

The plan is to have a rectangular pond 4 metres by 2 metres, which slopes
(steeply) down to a maximum depth of 2 metres. I wasn't planning on shelves,
but I like your idea of sitting benches in there if need be.

I'm very grateful for all the advice - but another question if I may -
is/are there any newsgroups/forums that stay more on topic. I know what
usenet is like, but as a newbie it strikes me that this ng seems to attract
far more than the usual share of OT flames & squabbles.

I think there is. I dont see much cause I use the filters heavily. there is/was
somebody on the list who fights on all channels and brought the fight here.
sorry. Ingrid

"Manky Badger" wrote:
I'm very grateful for all the advice - but another question if I may -
is/are there any newsgroups/forums that stay more on topic. I know what
usenet is like, but as a newbie it strikes me that this ng seems to attract
far more than the usual share of OT flames & squabbles.







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