View report page

The normal work of the department connected with rodent destruction
continued during the year, and the sewers were again treated during the months
of March and September.
Twenty-eight premises were treated against bugs. In all cases complete
clearance was effective.
KEEPING THE BOROUGH CLEAN
I am obliged to A. S. Knolles, Esq., B.Sc., M.Inst.C.E., M.I.Mun.E., Chartered
C.E., the Borough Engineer and Surveyor, for the following report on
Drainage, Sewerage, Public Cleansing and Refuse Disposal:
Drainage and Sewerage
The unusual maintenance works have been carried out during the year and
repairs have also been necessary to one or two damaged sewers, chief of which is the
surface water sewer in Clifden Road which had collapsed and became blocked
and had to be entirely relaid.
Further investigations with regard to the East Twickenham sewers have been
carried out and following the Corporation's proposals the Ministry of Housing and
Local Government have approved of the Corporation proceeding with a portion of
this scheme at an estimated cost of £ 100,000 and work will commence during 1957.
Public Cleansing
No special points arose during the year.
Refuse Disposal
Operation of the Charlton Plant is improving as the staff become more experienced
and it is interesting to note that in the second year the income from
salvage reached £29,960.
The system of tipping screenings into lagoons has continued and in one
instance one of the lagoons was treated against sulphate reducers with chromate
waste and this method of dealing with possible nuisance proved effective. It is
anticipated that because of the tipping arrangements adopted, the use of chromate
waste will not be necessary, but a supply will be kept in stock for use in case of
unforeseen difficulties.
WATER SUPPLY
I am indebted to E. Windle Taylor, Esq., M.A., M.D., D.P.H., M.R.C.S.,
L.R.C.P., Barrister-at-Law, Director of Water Examination, Metropolitan Water
Board for the following report:
The source of the water is the River Thames abstracted at the Wraysbury,
Walton and Laleham intakes and stored in the Thames Valley reservoirs at Staines,
Littleton and Walton. After storage the water is treated at the filtration works at
Hampton.
The water is filtered by means of primary or rapid filtration followed by
secondary or slow sand filtration. All water is finally chlorinated before it leaves
the works. In order to provide adequate contact to ensure complete action by
18