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7.
Experiments to be made as to voids in broken stone and as to porosity of concrete when made, and the proportions of ingredients of concrete of dam to be altered if necessary, in accordance with such experiments,
8.
Each filter to have a Venturi meter. A Venturi meter to be fixed on supply main near Service Reservoir,
9.
The question of relative cheapness of iron pillars and joists,versus brick pillars and arches, for roof of Service Reservoir to be considered.
10.
Gauge for measuring height of water in reservoir to be either float gauge in valve well, or a series of glass gauges up back slope.
11.
Kowloon city service-reservoir to be at Su ch
a level that it will be on hydraulic gradient when a main
is laid on proposed road along old boundary line.
L.G. 25. 4. 2.
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