Kiewit Infrastructure West Co., the lead contractor on the Oroville recovery project, started literally from the ground up, placing reinforced structural concrete at the bottom of the spillway and ...

Kiewit Infrastructure West Co., the lead contractor on the Oroville recovery project, started literally from the ground up, placing reinforced structural concrete at the bottom of the spillway and ...

In addition to more careful foundation preparation than that done for the original 1960s structure, the chute features much thicker concrete, increased steel reinforcement, stronger slab anchoring, ...

The construction management professor recommended building the spillway with concrete 3 to 5 feet thick (36 to 60 inches) and with a crisscrossing “double mat” of reinforcing steel bars (rebar ...

SAN FRANCISCO — Small cracks have appeared in a new concrete spillway at Oroville Dam, a development state officials say was expected but an engineering expert says could lead to serious safety ...

The new "finished" sections are being equipped with modern steel reinforcement, slab anchors, slab joints, water stops, drains and instruments to monitor future sub-slab flows. The remaining piece of ...

SAN FRANCISCO (AP) -- Small cracks that have appeared in the brand new concrete spillway at Oroville Dam were expected and do not pose a threat, California state officials said in previously ...

Earlier this week, the Associated Press first reported that small cracks have appeared in the brand-new concrete spillway.. University of California, Berkeley, civil engineering professor Robert ...

AMES Federal Contracting Group of Burnsville, Minnesota, is overseeing construction of the $115.9 million project, which will ...