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Panama City opt for under-canal tunnel rather than a bridge for metro expansion
I think they opted for the best option. A metro bridge would be ugly and more expensive. Just think of the height of the oil tankers and other ships passing through the Panama canal.
A new metro line for Panama City will run through a tunnel bored beneath the interoceanic canal to reach western suburbs, rather than passing over the canal alongside a planned new bridge as was originally anticipated as part of a broader $4 billion infrastructure project, authorities said Thursday.
http://www.startribune.com/panama-city-metro-expansion-to-go-through-tunnel-under-canal/567855822/
The for Metro Line tunnel work under the Panama Canal will cost estimated at $ 2,507,439,000, plus financing costs, confirmed Héctor Ortega, director of the Panama Metro. Construction will take 33 months. Currently, the tunnel is in the final stage of preliminary design and a total length of more than five kilometers is anticipated
The contract for the work awaits the review of the Comptroller General of the Republic,.In the dry season of next year the topography works and the geotechnical work will begin.
https://www.laestrella.com.pa/economia/201215/obras-linea-3-generaran-cercaA new tender for tunnel under the Panama canal will be called.
https://tunnelcontact.com/discussion/view/27431/panama-will-re-tender-the-tunnel-of-metro-line-3
This Thursday the tender will be held for the environmental impact study of the Line 3 tunnel that will pass under the Panama Canal.
cover tunnel photo by: Matt Brown from London, England / CC BY
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Some 17 companies are interested in preparing a category III environmental impact study for the tunnel of the Panama Metro Line 3 below the Panama Canal. The tender launched by the Panama Metro has a cost of $ 267,025 and the proposals must be submitted on December 16, 2020.
There is also a separate tender for the environmental audit of Line 3 for a period of 5 years at $ 366,000.
https://www.laestrella.com.pa/economia/201209/estudio-impacto-ambiental-tunel-linea-3-metro-atrae-17-empresas
Estudio de impacto ambiental para túnel de la Línea 3 del Metro atrae a 17 empresas
www.laestrella.com.paLas propuestas para el estudio del túnel deberán ser presentadas el 16 de diciembre. El Metro lanzó otra licitación para estudio de impacto ambiental del total de la obra