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142
Infectious Disease and Disinfection.
Cases of infectious disease notified (excluding Phthisis) 168
Number of rooms fumigated after infectious disease 150
Verminous rooms fumigated 3
Number of articles disinfected 4117
N.B.—In addition to the above work of disinfection, 41
stovings of bedding, etc. (589 articles) were carried out, and
27 patients were removed to Hospital for the Friern Barnet
District Council. Fifteen stovings of bedding, etc. (208
articles) were also carried out for the Hendon District Council.
House Drainage.
Existing house drains, which for various reasons are
suspected to be in a defective condition, are subjected to
either the smoke or air tests. In cases of necessity the smoke
test is supplemented by, or used in connection with, an
examination of the drains, after the ground has been opened
up under Section 41 of the Public Health Act, 1875, and a
number of the pipes exposed in different positions. During
the year, the condition of a large number of house drains was
the subject of special investigation, and, as a result, 120 were
found to be more or less defective.
In all, the drains of 73 houses wore entirely reconstructed
during the year, and the existing drains of 9 other premises
were properly repaired. No less than 39 of the premises
re-drained were provided for by meang of 13 combined systems
of drainage.
This work involved the laying of 1,868 yards of stoneware
and 280 yards of heavy cast-iron coated pipe drains, 71 soil
pipes and ventilating shafts, 51 intercepting traps, 245 stoneware
gullies, 137 w.c. basins, and 17 flushing cisterns were
fixed, and 101 manholes were built. In regard to the existing
sanitary fittings, 51 flushing cisterns, 21 water closets, 22 soil
pipes and 36 manholes were repaired, and 40 drains or gullies