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44
The drains and sanitary fittings belonging to
seven houses have been entirely re-constructed on
modern lines during the year, at three houses the
drains have been partly re-constructed, one house
has been provided with a sufficient drain, twenty-five
houses have been provided with additional drains,
and at forty houses defective drains have been
repaired, cleansed etc.
Twenty-nine additional manholes have been
built on line of existing drains, five defective manholes
have been repaired, and one manhole has been
provided with a new iron cover
Three new intercepting traps have been fixed,
and new stoppers fixed in the raking arms belonging
to six intercepting traps.
Sixty-six defective stoneware, brick, or iron bell
traps have been removed and replaced with properly
trapped iron or glazed stoneware gullies.
All new drainage work is tested on completion,
the water or air test being applied to the drains and
the air or smoke test to the soil and ventilating
pipes. A block plan showing the new system of
drainage or alterations to existing systems of
drainage is also prepared, and, together with particulars
of the work done and tests applied, is filed
for future reference.
Soil Pipes.
Two defective light iron soil pipes have been
removed and replaced with strong cast iron pipes
having molten lead caulked joints.