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fugal pumps, two Sin. and two 6in., connected to motors, the
power used being electricity (with two gas engines in case of the
failure of electricity).
At the Outfall Works a further Pumping Station has been
erected, comprising two semi-loco boilers and four centrifugal
pumps, two l0in. and two 8in.
The sewage from the part of the district east of Green Lane
and south of the London and North Eastern Railway is connected
to the Pumping Station by two large receiving culverts. The
northern portion of this area, 400 acres in extent, known as the
mid-level, is connected to the 8in. pumps; the southern portion,
known as the low level, having an area of 688 acres, is connected
to the l0in.pumps; and the whole of the sewage is brought together
at the entrance to the screening chamber.
For dealing with the sludge two Shones' ejectors have been
provided. The sewage of the town is dealt with on what is
known as the partial system, there being taken into the soil sewer
all the sewage and rain water from the back roofs and yards.
The surface water system conveys the roof water from the front
roofs of all property and the water from the streets and roads.
During the past five years extensions to meet the growth of
the area have been made as follows:—
581 yards of 12in. sewer from the vicinity of Perth Road across
Valentines Park to the sewer near the Pavilion, for the Lonsdale
Estate of 2,155 houses.
Main sewer to Padnall Grove Farm.
New 15in. sewer from junction of Ilford Lane and Hampton
Road to Outfall Works to relieve flooding in Uphall Road district,
brought into use on 25th March, 1925.
A new effluent pipe to the River Thames.