Pokfulam water collected in the
manner we now recommend to be
adopted in the case
supply recommending
of the Faitam
we do not feel justified in
the heavy expenditure involved in the application of - chemical, treatment for the further clarification of these waters.
12.
A plan prepared by
the Director of Public Works is attached
shewing how the foregoing.
mendation
viz..
recou
that a clear water
channel be constructed for intercepting the head waters of the Faitan Valley
conveying them direct to the Basin without passing
and
Gauge
the reservoir.
This
Cata
into
best be accomplished.
project consists of about 1400 linical yards of open channel cut in the hill side contouring the Valley at a level of about 512 feet above Ordnance datum. The portion of
+
this
this channel.
532
1170
lineal yards in
length above the overflow will probably not require any masonry
Euring
the ste
of concrete
slight leakage that
may. recur will not be sufficient to - warrant the additional expenditure
that would be incurred
this portion of
ed by making
the channel water-tight.
such water as escapes naturally
its
way
-
into the reservoir
finding will not reduce the quantity of water available for the supply of the City.
13.
It is however different.
with that hortion below the overflow
and concrete as
1 any
which is proposed to be constructed of masonry leakage from
part of the channel
this
will flow down the
valley
and be
lost.
144.
The portion dower the
steep slope immediately above the
gauge