28.
29.
CONFIDENTIAL 機密
The Walled City trenches had not been serviced in any
way since they were first dug and although there is a sustained flow, the jagged side walls created by erosion through the years and the large number of crevices in
these drains have become natural receptacles for refuse
of all descriptions. Because of this unsatisfactory
state, refuse is scattered along the full length of the
drain, making clearance an extremely difficult task for
U.S.D. Cleansing staff operating in the Walled City area.
In summer the problem reaches its height when the rapid
evaporation and the heat combine to make the air extremely
foul, and unhygienic. It is not surprising that Cleansing staff find the task of clearing these drains particularly onerous.
The situation proved so unbearable that in November 1972 a contract for $10,000 had to be let out to a private
contractor in order that one of the larger drains could be
cleared. It would therefore be in the interest of better
management of the drainage system that these 5 trenches could be overhauled so that they could be lined with
concrete walls and bases, suitably contoured to improve the
flow and to avoid refuse from collecting along their full
length. Further gratings could be installed so that refuse
collects at pre-determined points to facilitate clearance. CDO(KC) had recently contacted a contractor who gave 2 figure of $75,000 as a preliminary estimate for the drainage overhaul here envisaged.
C.D.0.(KC) considers that the proposed investment of $75,000
on the drainage system would be worthwhile firstly because
of the substantial saving in manpower that would result, and secondly because an overheul vould further increase
the flow capacity of the system, an aspect which will be of
some importance when a household water supply is provided to the Walled City. It is suggested that the drainage overhaul should be processed as a Local Public Works item
under the H.A.D. Vote.
CONFIDENTIAL # #
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