Pakistan’s catastrophic floods this year overshadowed the Indus River’s pivotal role in irrigating the country’s farmland and generating its electricity. But even as river levees tumbled, engineers were completing plans to enlarge generating capacity of the Indus’ mighty Tarbela dam by 27% and to build the even larger Diamer Basha hydro project farther upstream. Photo: Courtesy Mott Macdonald Group Tarbela siltation prompted power planners to site a second dam upstream. Diamer Basha will be sited more than 300 kilometers upriver of Tarbela but will, nevertheless, boost the lower plant’s output by reducing sedimentation. Since Tarbela’s completion some 36 years ago,
The market is generally healthy and steadily growing, and margins are up for large specialty contractors. Further, advances in design tools and owner demand for collaboration are giving subcontractors a seat at the table early on in projects.