*
1.
|
the renovation
can
start almost immediately with a modest annual budget (after
indentifying the most deteriorated spans, and working out a schedule
over the years.)
Retrofitting the overpass for better earthquake resistance
can start almost overnight.
|
*
2.
|
opportunities
exist to use this project to experiment with different
arch forms and materials: from
steel, to wood, to concrete. |
*
3.
|
an opportunity
to engage small local companies in the manufacturing
of the support structures in a very short time-
this is a major asset in this period of industrial stagnation. |
*
4
|
no more need to
expropriate land and demolish 200 housing units to make way
for the new roadways |
*
5
|
no need to
demolish the huge existing structures, saving enormous amounts of
energy needed for the demoliton and no production of
millions of cubic meters of debris. |
*
6
|
unlike the 'on the
ground' scheme now proposed by the government, the valuable land below
the overpasses can be used in the future for a green space or for
commercial or industrial buildings
|
*
7
|
an
opportunity
to prevent future high maintenance costs by including
in the current redesign permanent
maintenance platforms giving easy access to the elevated roadways.
(this was common in Gothic
cathedrals and 19th Century Railway stations!)
|
*
8.
|
in
addition to all
these advantages, this approach will save very large sums of money!
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back to beginning |
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