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Form A was the one used in the preliminary survey, The
preliminary survey was made to ascertain the number of families
and of persons in each family and the number of rooms occupied by
each family. This preliminary survey would show whether the
family was overcrowded on the basis of Table 1, but would not, however,
disclose those families which, though not overcrowded when
regard was had solely, to the number of rooms in accordance with
Table 1, would nevertheless be found to infringe the standard when
Table 11, which takes account of the size of rooms, is applied. A
family which is not overcrowded according to Table I, but which is
overcrowded when Table II is applied must be very near the overcrowding
level of Table I. This part of the survey was therefore
made to show the number of families definitely overcrowded, and
also those who might possibly be overcrowded. The exact extent
of the overcrowding could only be ascertained by measuring the
rooms definitely and potentially overcrowded. Potential overcrowding
was ascertained by using a table which was based on the
assumption that in the ordinary dwelling some of the rooms would
be below 110 square feet in area, and that consequently the permitted
number ascertained solely from the number of rooms without
regard to their area would normally be in excess of the exact permitted
number. The allowance for this factor in the table given is
about one fifth. The system may be clearer if the actual table is
inserted.
No. of inhabited rooms. Permitted Number.
Actual Reduced
1 2 1½
2 3 2½
3 5 4
4 7½ 6
5 10 8
6 12 9½
The figures in columns 2 and 3 refer to units—a person over
ten years of age being counted as one unit, a child between one and
ten years as a half-unit, and a baby under twelve months not counted
at all. Thus in a two-roomed tenement the accommodation was
reduced from 3 units to 2½. If a two-roomed tenement was occupied
by a husband, wife and two children, it was returned as potentially
overcrowded, and the tenement was transferred to table B
and subsequently measured.
For the preliminary survey, six enumerators and a clerk were
engaged. The Council had previously engaged a sanitary inspector