Prelims – Current Events of National Importance.
Mains (GS III) – Infrastructure.
Why in News?
PM Modi to inaugurate New Pamban Rail Bridge on Ram Navami.
Old Bridge
- Pamban Bridge was a railway bridge that connected the town of Rameswaram on Pamban Island with Mandapam in mainland India.
- Built in – 1914 by British government.
- It is India’s first sea bridge, built for trade.
- It remained India’s longest sea link until the Bandra-Worli sea link opened in 2010.
- Bascule Mechanism - It had a double-leaf bascule section with a Scherzer rolling-type lift span that used to be raised to let ships pass.
- It is considered a technical marvel as the bridge was constructed with lesser availability and the corrosive environment it withstood.
- Life span – 108 years until 2022.
New Bridge
- Built by - Rail Vikas Nigam Limited (RVNL).
- The new bridge is India’s first vertical lift sea bridge, which will replace the century-old original Pamban Bridge.
- It is a state-of-the-art infrastructure project, ensuring faster rail movement and seamless maritime navigation.
- Expected lifespan - 58 years.
- Key Features
- The bridge features a vertical lift span that can be raised in just 5 minutes to allow ships to pass.
- Built with stainless steel reinforcements and Polysiloxane Paint, the bridge is designed to withstand harsh marine conditions.
- Trains can now travel at speeds of up to 75 kmph, a much higher speed from the previous 10 kmph limit.
- With a clearance of 22 meters above sea level, surpasses the old bridge’s 1.5-meter clearance, allowing larger vessels to pass.
- Designed to support future railway electrification, the bridge ensures seamless upgrades to modern rail systems.
References
- The Indian Express | New Pamban Bridge
- Tamil Nadu Tourism | Pamban Bridge