CO129-094 - Acting Governor Mercer - 1863 [11-10] — Page 197

28.

effective, by reducing separate pressure, and

by being

mine

easily managed.

bo.

мас

at the

The Committee would suggest self-closing diving traps, which while readily yielding to the pressure of water, could be at all other times closed, and thus prevent the escape of offensive effluvia: and to guard these traps from injury or abuse, nothing more

than a horizontal grating, which effectively prevents large stones or other

is required:

would

drifts entering the sewers

(Wide rough model)

bl.

from the surface

Effective Sewerage is, beyond

all doubt, a main element in the Sanitary

condition of a town, and any proposed system

of drainage for

Victoria, to be

Necessarily embracing such

Sewers as

the

29.

193

following, viz: first class

or main sewers, running generally

East

and West at different levels:- Another or

second class on the main inclines to lead

with the

a third and still smaller

class to lead the side drainage into the

first: second class, the

surface

drains before

as to

referred to being so arranged

to Combine complete flushing of all three

classes with a rapid escape.

Without some such connection

62.

between the

surface

and underground

water

for all

drainage, the present limited supply of other than ordinary purposes,

(except in the rainy season,) would leave

None

available

for Sewerage purposes The main points for consideration,

effective,

must

be

a

classification of

63.