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4.
The Stream C studies have resulted in the formulation
of a total of 46 Initial Options shaped around forecasts of land
use needs and study objectives. These options have been 'coarse
screened' by measuring how well they achieve various study
objectives. This process included mathematical model tests with
respect to water quality and hydraulic conditions, air quality
and transport performance. The outcome of this process was that
the original 46 Initial Options were reduced to 12 Preferred Options comprising 4 options for Scenario A, 3 for Scenario B and
5 for Scenario C.
5.
The Stream D studies have taken the evaluation process
to a greater level of strategy refinement and detailed evaluation
with more attention being given to financial and economic
performance. The end product comprises a Recommended Strategy
for each of the three airport scenarios showing:
(a) the disposition of container terminals, multi purpose berths (MPBS), cargo working areas, port back up areas, deep waterfront
industry, associated urban uses, typhoon
shelters, buoyage areas and anchorages, main
shipping channels and breakwaters;
(b)
the alignments of trunk roads and rail
links;
(c)
(a)
the phasing and programming of works; and
the order of magnitude of forecast
development costs and revenues.
6.
A final selection of one of the recommended strategies
will need to be decided on the basis of a comparative evaluation
of :
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