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107
SIZE AND SHAPE OF SEWERS.
The best shape for the section of a sewer is egg-shaped ; all
sewers built of brickwork are so formed. The smaller sizes, being
formed with pipes, are circular. Sewers should not be larger than
absolutely necessary, as the bottom or sides of a small sewer are
more thoroughly scoured and cleansed when they are flushed, or
in times of rain. This cleansing is materially assisted by a good
fall. Sewers should also, if practicable, be laid in straight lines,
from manhole to manhole, so that they can be readily seen through
or inspected. During the past year new sewers have been laid in
the undermentioned streets.
Sewers Laid during year ending 30th April, 1887.
Road or Street,
Description.
Length in feet.
Av. depth in ft.
Town Mead Road .
18-in. S.W. Pipe
1150
9
” ” ”
3-ft. by 2-ft. Half
Brick
1000
11
Waldemar Avenue
15-in. S.W. Pipe
535
14
Stedworth Road .
12-in. „
130
222
” ” ”
180
16
Mirabel Road
” ” ”
400
12
Fabian Road
” ” ”
500
12
Hartismere Road
(part done under
Fulham B.W.)
” ” ”
860
12
Shorrolds Road
” ” ”
340
15
Total
5095
COST OF SUPERINTENDENCE.
Nine different sums, amounting to £76 3s. 8d., have been
received to cover the cost of superintending these sewers.