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soffit3" wide Sheraboard planks. Screwholes later filled with matching woodfiller.
This wasn't exactly what Jazzman was expecting when he came to inspect the work at the end of the day. The pattern is certainly interesting and is faithfully reproduced again on the opposite corner. Sometimes even Thai workmen can have a creative streak!jazzmanApr 14, 2007
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grease trap finished'Grey water' - that's the stuff from kitchen sinks, washbasins, washing machines and showers - generally doesn't contain contain solids that need to be bacterially decomposed, and is already largely disinfected by the additives in soaps and detergents. These detergents float on water and can be separated in a grease trap before the water is led away to leach. Keeping the grey water separate from sewage also helps prevent the bacteriological process in the septic tank from getting over-diluted. jazzmanApr 14, 2007
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support for soffit3" wide Sheraboard planks were used for soffit. The suspension rails pictured here were leftovers from the ceiling supports. jazzmanApr 14, 2007
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septic tankTwo metres deep, 880 litres capacity - there are two of these: one for the black water and one for the grey water. The interior walls have been waterproofed with bitumen paint. Note that each toilet has it own separate entry. This avoids the need of breather pipes or vacuum release valves.
This is NOT a soak-away pit - the floor is 4" waterproof concrete. The black water is drained to the second identical septic tank before being evacuated to the leach field. The grey water first goes through a grease trap.jazzmanApr 14, 2007
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Double block with foamtrehanseApr 05, 2007
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