First road tunnel in UAE, 1.2 km long connecting east and west coastal areas. Rockbolt and shotcrete lining and possible secondary lining in poor ground affected by hydrothermal alteration. Tenders invited. September 1998.
Drill/blast 1.2 km-long, 9.7 m-high, 13.5 m-wide single-tube natural tunnel underway in gabbro through Oman mountain using shotcrete, rockbolts and lattice girders. Final lining of in-situ concrete. 200 m-long cut-and-cover access at one end. Visit www.halcrow.com and www.boomer-rig.com 37/01.
