TNAG-1836-FCO40-2611-Executive-Council-of-Hong-Kong-memoranda-and-minutes-of-meet-1989 — Page 68

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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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