advantages and disadvantages of building over ground metro rail as compared to underground ones?
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Answer:
Advantage
It helps the community to travel short distance
Disadvantage
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Advantages and disadvantages of building overground metro rail vs. underground ones.
Explanation:
Advantages:
- Cost effective option is overground as there is no need for provisions like lighting and air ventilation.
- Solar power can be utilized. Solar roof tops can be installed to power the station.
- Effective safety compared to underground. In case of fire, an overground station can be easily evacuated vs. underground stations.
- Easy maintenance.
- Easy to upgrade as space expansion is comparatively easier overground.
Disadvantages:
- Aesthetic issues. Changes to the skyline may not be aesthetic.
- Environmental factors. Weather can damage electrical equipments and disrupt communication.
- Extensive planning. It is challenging to design and implement the system in an existing concrete jungle.
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