septic tank replacement

TonyK · 2005-02-06T16:08:01+00:00

We have an old septic tank, ie. big concrete box in the ground, halfsettlement tank and half clinker.The tank is well past is useby date and we've just discovered the originaldrains are failing etc. I'm looking at a £3K bill just to get the damn thingemptied due to its location.Heres the plan... re-divert existing main drain 30m to a 4500l Klargesterstyle onion from which the grey water runs through another drain to theoriginal tank (once emptied).The theory is I'll have a a proper Klargester doing the seperation and theoriginal tank then "filters" the grey water even further and in theory neverneeds emptying again (hope/pray).Sort of a double tank system with the Klargester emptied quarterly.BTW , based on the FAQs 180L per day I need (180x70x300)+(180x8x300) = 3.9mL... since our water is metered I know we only used 1.5m L last year so Igues this is more accurate? Rain water runs off through land drains.A BioDisc is out of the question. Have been quoted £40-50K. I can do thissystem for under £10K including the emptying!Any thoughts, observations, obvious flaws?Ta

Feb 06, 2005 42 Replies

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John Anderton 21 years ago

I take it you missed the smiley in my message ?

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Mike 21 years ago

Since DEFRA inspect all farms, including mine, at least once a year, and it is aerially photographed twice, I don't see what you're getting at. I certainly wouldn't risk mixing human and animal waste.

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The Natural Philosopher 21 years ago

True...

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