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Lower Silver Creek

Lower Silver Creek and Dobern Pedestrian Bridge work continues this summer

 (April 2017) - Construction on the Lower Silver Creek Flood Protection Project resumes this summer in east San José from Moss Point Drive to Cunningham Avenue. Construction begins in early May and runs through September. Residents will initially see the installation of large dewatering pipes within the creek to keep the water away from the construction area and allow crews to work in the creek.

Large construction vehicles and equipment will be seen from Moss Point Drive to Cunningham Avenue as construction crews construct an access ramp at Cunningham Avenue, complete the access ramps at Ocala Avenue and Moss Point and install a permanent ground cover of large stones known as “rock riprap” to protect the creek banks from erosion from Moss Point Drive to Ocala Avenue.

Construction work hours are 8 a.m. to 5 p.m., Monday through Friday, with occasional Saturday work. Expect typical construction noise during work hours as trucks and crews access the creek. Truck hauling will occur only between the hours of 9 a.m. and 4 p.m.

Equipment can include backhoes, excavators, jackhammers, compactors, loaders, dump trucks, drill rigs, pumps, portable sediment and/or water basins, and concrete pump trucks. The contractor may use a generator to power the pumps that will pump water around the project site and back into the creek farther downstream. Expect typical construction conditions such as noise, dust, roadway traffic, lane reductions and truck traffic.

In addition, work between Moss Point to Cunningham Avenue may require temporary lane and sidewalk closures at Moss Point Drive, Ocala Avenue and Cunningham Avenue through September 2017.The water district will use traffic controls or flaggers, as needed, during the day to maintain public safety.

The water district will use best management practices to minimize disturbance to the surrounding neighborhoods.

Dobern Pedestrian Bridge
The raising of the Dobern Pedestrian Bridge and construction of floodwalls near the bridge was completed December 2016. The remaining work consists of completing the landscaping and maintenance road between the bridge and Capitol Avenue. This work will be complete by the end of May 2017.

Expect typical construction noise during work hours. Trucks and crews will access the site at Capitol Avenue. Expect no road closures, but traffic control or flaggers may be needed at times for safety. The Dobern Pedestrian Bridge will remain open to the neighborhood during this time.

Project contact:

For more information on this project, contact Diego Barragan at (408) 630-3063, or Project Engineer Patrick Stanton at (408) 630-2029.

You can also use “Access Valley Water” to submit questions, complains or compliments directly from your computer to a water district staff person who can help you. Click on the "Projects or work going on in my neighborhood" tab and select "Lower Silver Creek Flood Protection Project".

Sign up to receive project updates via email.


Your Recovery Act tax dollars and a CA State Bond at work

The Santa Clara Valley Water District and Natural Resources Conservation Service (NRCS) have been working on a multi-purpose project along Lower Silver Creek to protect nearly 3,800 homes and businesses from a 100-year flood event. In spring 2009, some Lower Silver Creek Flood Protection Project improvements were identified as “shovel-ready” projects and were approved to receive $18 million in federal economic stimulus funds as part of the American Recovery and Reinvestment Act. Recently, we received word that the project will receive another $2.2 million from ARRA, bringing the total to $20.7 million. This new infusion of these funds helped complete the project from Interstate 680 to the Lyndale neighborhood.  

In late 2011, the Santa Clara Valley Water District was awarded a California State Dept. of Water Resources grant which will fund the completion of this project through Lake Cunningham.  The $25 million state grant will fund the completion of flood walls and vegetation work up to Lake Cunningham.  The grant will also fund the design and construction of the final phase of the Lower Silver Creek Flood Protection Project through the Lake Cunningham area.  The completion of this final phase of flood protection work will prevent flood waters from a 1% flood event (also known as a 100-year flood) from leaving the creek and flooding streets and homes in the current flood hazard area and will remove the mandatory flood insurance requirement for this neighborhood.  

The project encompasses multiple segments, referred to as “Reaches”. Improvements for Reaches 1, 2, and 3 (from Coyote Creek to Interstate 680) were completed in 2006. Over the past 50 years, Lower Silver Creek has experienced severe flooding that resulted in damage to residential, commercial and industrial properties. 

Reach 6 construction (2009)
The first phase of construction began in late August 2009 and continued through October on either side of Ocala Ave. 

Const. start                  traffic safety                     Erosion protection Lwr. Silver

 
Excavator widening              
the creek.
Traffic controls              
as trucks enter
Ocala. 
  Hydroseeded 
grasses taking root
on new banks.
 

Reach 4 and 5 construction (2010 through 2012) The second phase of the project includes the widening of the creek channel and the addition of concrete flood walls from Interstate 680 through the Dobern and Lyndale neighborhoods.  This section also required the rebuilding of two major bridges at Capitol Expressway and Jackson Avenue.    

Traffic control will be provided, and flaggers will be onsite during work hours to ensure everyone’s safety. Equipment used will include excavators, bulldozers, loaders, scrapers, jack hammers, small cranes and dump and transportation trucks. Typical construction noise can be expected during work hours.

 

 

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