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India, Maharashtra - in/22

Arphal Water Transfer

  Kvaerner Cementation India underway on 16.6 km, 30 sq m cross section arched, unsupported tunnel in basalt using two Atlas Copco Boomer 281 drillrigs on four faces accessed from two adits. Both portals sub-contracted. More from info@kvaerner.com . October 1999.