Enclosure No. 2.
34
Hon. Director of Public Works,
Experimental Waste Detection Work.
Further to my minutes dated 11.5.37 and 28.5.37,
I attach a further report prepared by Mr. Forbes, detailing
the work done during the past few months.
A saving of 55,000 gallons per day has been effected at a cost of approx. $2,300, which works out at
about $42,000 per million gallons, exclusive of capital
outlay on meters and equipment.
This compares unfavourably with the estimated annual operating expenditure of $40,000 shewn on the attached
statement, but the work so far carried out represents probably the most expensive type of waste detection work and includes renewal of a large number of stopcocks.
Future maintenance of the districts already
dealt with would cost a great deal less, if systematic surveys
are carried out.
I am afraid that unless the current maintenance
votes can be supplemented, it will not be possible to incur much further expenditure on waste detection work this year.
(sd) A. B. Purves
29.2.37.
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