Shale gas pipe and valves in Pennsylvania, similar to those shown in the photo above, were at the heart of a costly contract dispute. ENR Art Dept. Faced with mounting interest after losing a $24-million jury verdict in Delaware County, Pa., a pipeline company late last week reached a settlement with contractor Utility Line Services, says the attorney for the contractor.The jury in April had ordered the defendant, PVR Marcellus Gas Gathering Inc., which was recently acquired by Dallas-based Regency Energy Partners, to pay Utility Line Services about $16.5 million for the amount it was owed. Another $7.8 million was
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.