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not passed through the engines, and this may even involve the burning of fuel at
times in addition to the heat obtained from the refuse, theugh, of course, at the worst
a very much smaller quantity than in the case of separate boilers fired altogether by
coal; and it must be borne in mind that, when the output of the Electric Light
Station has reached that figure at which the exhaust steam would supply all the
heat for the baths, fuel would in no case have to be burnt for the Baths and Washhouses,
so that in the end the complete heating of the baths, with the exception of
the live steam required for the washing troughs, might be effected by the utilisation
of what would be a waste product from the Electric Light Station. Finally, as
regards the metheds adopted for the utilisation of exhaust steam only, 01 exhaust
and live steam only, for the heating of the baths, this can be effected witheut in any
way dirtying or damaging the bath water. The metheds of doing this are well
known, and the details of the manner in which it is to be effected should be left as a
proposition from the Heating Engineer, who would of course guarantee results to be
obtained.
E. MANVILLE."
The Committee carefully considered this report in conjunction with their
Architect and Messrs. Berry & Sons, the heating engineers then engaged on the
Baths engineering work, and on January 5th, after communicating with the Lighting
Committee, they reported on the matter to the Vestry as follows:—
"Your Committee have had under consideration the question of the heating
arrangements of the Baths and Washhouses, so as to utilise in the most economical
manner the steam supplied from the Electric Lighting and Dust Destructor Engines.
"In the original specification for the Engineering Work at the Baths provision
was made for using live steam only at a pressure of about 80 lbs., but after consultation
with the Vestry's Electrical Engineers, Messrs. Kincaird, Waller and
Manville, it appears that there will be ample heat available from the exhaust steam
passing out of the Electric Lighting Engines to provide all the exhaust steam required
for the Baths, live steam only being necessary for the washing troughs and engines.
Such exhaust steam would be passed into condensers, where it would heat water
which would be available for heating the Baths. This would be an advantage for the
Electric Lighting Engines, as well as a permanent saving in annual maintenance to
the Baths' Committee, as, in the estimate submitted to the Committee, it was found
that, to provide the necessary heat for the Baths and Washhouses by separate plant,
boilers, shafting &c., would cost about £4,500, in addition to a sum of £1,800 per
annum for maintenance and fuel.
"Your Committee have received an estimate and scheme from Messrs. Berry and
Sons, Contractors (who are executing the Engineering Work connected with the
Baths) for supplying the necessary condensers and plant for utilizing the exhaust
steam from the Electric Lighting Engines at a cost of £4,695. Your Committee
think hat this matter is of such great importance to the success of the Baths that
they should be advised by a Consulting Engineer as to the reasonableness of the
estimate, efficiency of the plant, and that he should supervise the execution of the
work proposed by Messrs. Berry & Sons, as such technical engineering matters are
outside the province of the Architects to undertake.
"As the matter was urgent your Committee have approached Mr. Henry
Ward, C.E., of No. 110, Cannon Street, who has had exceptional experience with the
uniting of Public Baths (not usually possessed by Consulting Engineers, as such work
generally carried out by the Contractor direct), and Mr. Ward would be prepared
o undertake the work at the same commission of 5 per cent., which would otherwise
have een payable to the Architects if this work had been placed under their control.
Your Committee therefore