Granite Building has locked down a $173 million contract with the U.S. Military Corps of Engineers to widen a weir to be able to scale back flood danger on the Sacramento River in California north of the state’s capital metropolis.
Along with widening the weir, Granite will construct a 25-span bridge for autos to move over the brand new weir construction, in addition to a fish passage to permit federal and state-listed species to keep away from being stranded after floods, based on a firm launch.
Challenge funding will come from the Emergency Supplemental Appropriations within the Bipartisan Funds Act of 2018. The award was issued by the USACE’s Sacramento District.
In response to USACE, the weir is greater than 106 years previous and its 48 gates are nonetheless operated by hand. The venture will assist widen the present 1,950-foot weir a further 1,500 toes to the north, and make it a passive system that may enable flood waters to movement over the river channel and into the bypass.
Building will entail intensive excavation and constructing new levee embankments, together with a weir crest construction with an adjoining stilling basin. Rip-rap will likely be positioned alongside levee embankments.
Granite plans to make use of 28,000 tons of mixture from its close by Capay Plant, together with street base and structural backfill materials. The agency will faucet its Bradshaw Asphalt Plant for a further 6,000 tons of sizzling combine asphalt to construct roadways and entry routes on the venture.
Granite just lately posted weak quarterly outcomes after a string of maximum winter storms off the Pacific Ocean stymied lots of its initiatives all through the West. However it additionally benefited from greater than $100 million in emergency initiatives to restore harm from these storms.
Granite plans to start the Sacramento weir in July 2023 and goals to finish the job by December 2026, the corporate mentioned.
