Crews at the U.S. Energy Dept.’s Hanford nuclear-waste cleanup complex in eastern Washington are reactivating a 45-year-old site crane to remove close to 200 waste tanks, each three to 22 ft long, that are contaminated with plutonium. DOE contractor CH2M Hill Plateau Remediation Co. opted to restore the crane as the safest approach to extract the so-called “pencil tanks,” thinly shaped to prevent uncontrolled plutonium releases during the site’s Cold War-era atomic weapons production. Photo: Courtesy of CH2M Hill Plateau Remediation Co. Revamped crane will lift thin plutonium-tainted tanks to a yard where workers will decontaminate them safely. The 5-ton
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.