Working deep inside a remote canyon near Prescott, Ariz., contractors are battling accessibility and logistical challenges as they plug two leaky valves at the bottom of a 100-year-old cast-in-place ...

This project removed and replaced reservoir regulating and emergency valves with two 24-in. triple offset butterfly valves and motorized actuators at a Colorado dam. During dewatering, the contractor ...

Cracked concrete. Plugged drains. Unchecked tree and brush growth. Broken outlet valves. These are some of the problems that have gone uncorrected for years at California dams in spite of being ...

After more than half a century of performance at Summersville Dam a second fixed cone valve is being replaced. The new valve costing around $800,000 and weighing 35 tons will be put into service by a ...

Four valves are on the docket to be replaced at the Martin Dunham Dam. The New York State Office of Parks, Recreation and Historic Preservation plans to replace them over the next couple of years. But ...

A team of specialist divers working in a cramped, water-filled tunnel 20m beneath the surface of a reservoir has just completed installing an eccentric plug valve to control water flow. The valve and ...

Thanks to a sharp-eyed resident, water concerns in Peachland aren’t being floated after surprising vandalism was discovered at a nearby municipal dam. On Tuesday, the small community announced that a ...