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The materials used in the construction of new
drains are generally stoneware, but I have frequently
recommended the use of heavy coated cast iron
pipes as they are of greater strength, there are
fewer joints (one every 9 feet, compared with one
in every 2 feet of stoneware), the joints being made
of lead can be tested immediately and the risk of
fractured collars caused by the expansion of cement
is avoided.
It is economy for property owners to use cast
iron pipes for drainage work, as they are the only
means of securing a permanent and reliable drain
which remains watertight. This cannot be claimed
for a stoneware pipe drain, for no matter how good
the workmanship, it is frequently found that stoneware
pipe drains on being tested (sometimes only a
few weeks after construction) are found defective
and have to be taken up and re-laid.
Ninety water tests were applied to drains and
64 smoke tests applied to soil pipes and ventilating
shafts.
Water Closets.
Seventeen dilapidated water closets have been
pulled down and re-built in an improved manner or .
position.
Thirteen w.c. apartments have been efficiently
lighted and ventilated.
Twenty-nine w.c. pans have been cleansed or
repaired.
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