RVR projects – the tunnel construction specialist - uses emission-free electric portable air compressors from Atlas Copco to sustainably build 10 km of a Mumbai-Pune Expressway tunnel.

Mumbai, India’s commercial metropolis and one of the most densely populated cities in the world, is changing. Its population has increased significantly over the last half century and continues to grow rapidly – as does its traffic. The roads are congested and overcrowded, making traveling an often unpleasant and frustrating experience. Mudslides caused by monsoon weather conditions also critically impact traffic delays, as well as threatening the safety of commuters.

To improve the situation on the road, a new and fast connection expressway is being built between Mumbai and Pune, two of the biggest commercial cities of the country.

The Mumbai-Pune Expressway is an ongoing project that consists of different tunnels, bridges, and roads, creating a reliable shortcut for the existing road. Scheduled for completion next year, people are working 24/7 on this prestigious project to ensure its success. The new connection road will guarantee a safer route for commuters and decrease travel time by an incredible 45 minutes.

RVR projects

E-Air compressors
Shotcreting the tunnel without emissions
RVR projects is one of the two contractors on-site to take on the tough job of building the Expressway’s tunnels. The local construction specialist opted to use two of its thirteen Atlas Copco electric E-Air compressors for shotcreting the hanging and side walls of the underground excavation. This strengthens the tunnel while leaving the structure of the rocks intact. The tunnelling expert is also using an Atlas Copco pneumatic stoper drill to support the drilling works.

RVR projects has more than 800 members of its team building the Mumbai-Pune Expressway, with (sometimes) up to 2000 workers joining forces - working in shifts to ensure its scheduled completion date. Their working conditions in the tunnels are tough; it is dusty, muddy, and very hot, with temperature rising to a scorching 45 degrees Celsius.

As the ideal partner to help withstand these extreme conditions, RVR projects chose the highly efficient, low cost, and ultra-quiet electric E-Air compressors. The E-Airs have no emissions, which makes them an ideal fit for the inside operations. The compressors are working 24/7 to keep the project running continuously; maintain a consistent supply of clean air to help improve the air quality; and reduce the noise for those working inside the tunnels.

The construction company decided to choose the electric E-Air as it is fitted with Atlas Copco’s in-house developed electric motor and power electronics, which have both been expertly refined and proven suitable for the toughest of applications and environments. The unit’s motor is oil cooled and therefore able to withstand high humidity and dusty environments, and its power electronics are liquid cooled, offering the utmost reliability.

RVR projects

Road to net zero
Atlas Copco is committed to being at the forefront of change in offering sustainable solutions for the machine-driven industry. It has developed a portfolio of solutions that target net zero goals while delivering better efficiency and contributing to a lower total cost of ownership than traditional alternatives. Atlas Copco Portable Air has taken an innovative step towards decarbonization by offering sustainably driven electric compressors.
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