Sacramento Weir Widening Construction Project

The purpose of this industry day is to:

• Familiarize industry with aspects of the American River Common Features 2016 Sacramento Weir Widening Project;
• Facilitate communications among the Sacramento District and industry representatives;
• Present information regarding the draft requirements;
• Encourage networking among vendors and the Sacramento District.

The purpose of the Sacramento Weir Widening project ($100M - $250M) is to reduce the water surface elevation in the Sacramento River and allow more water to flow into the Yolo Bypass system. The Sacramento Weir Widening project includes construction of the following major features:

• 1,437-foot-long passive weir
• 2,500 foot-long North Levee Setback
• 1,515 foot-long Old River Road Bridge which includes approximately 15,000 length feet of prestressed-precast bridge girders
• 1,635 foot-long Realignment of Old River Road and 2,445 foot-long realignment of County Road 126
• 2,135-foot-long Railroad Embankment Removal, demolition of 2,880 foot-long existing Sacramento River Right Bank Levee, and demolition of 2,500 foot-long existing levee
• Fish Passage Control Structure, including hybrid technical fishway (420 foot-long concrete-lined), fish passage channel structure (200 foot-long concrete-lined), Two 16-foot-wide flow control gates, and associated electrical, instrumentation, and automation; fishway exit (rock-line - 230 foot-long); stilling basin drain; modifications to the stilling basin of the existing weir; 1,600 foot-long rock-lined Existing Stilling Basin Drain Channel; and 8,500 foot-long earthen Bypass Transport Channel