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Lower Silver Creek

Construction update - Dobern Pedestrian Bridge

Super Sack

(December 2015) - The Santa Clara Valley Water District will work in your neighborhood to install "Super Sacks" along the banks of the Lower Silver Creek in the vicinity of the Dobern Bridge. Super Sacks are heavy duty large bags filled with gravel material and are used as a temporary measure to help reduce flood risk.

The work will occur late December and is expected to be complete by the end of the year. Project work hours will be 8 a.m. to
4 p.m., Monday through Friday. In the unlikely event of delays, work hours may include Saturdays. A 6-10 person crew will work at the project site using a large forklift and excavators. Expect typical construction noise during work hours.

Trucks and crews will access the site at Dobern Avenue and Bambi Lane. Expect no road closures, but traffic control or flaggers may be needed at times during work for safety. No trail closures are expected, however, the Dobern Bridge may be restricted during construction activities.

Why install Super Sacks?
The Santa Clara Valley Water District began construction on segments 4 and 5 of the Lower Silver Creek Flood Protection Project in 2010 to install floodwalls along the banks of the creek between Jackson Avenue and Capitol Expressway.

The project includes raising the Dobern Pedestrian Bridge, constructing floodwalls, and widening the creek channel near the bridge to allow for more water carrying capacity of the creek.

In anticipation of potential heavy El Niño rains this winter, the gap in the existing floodwalls is being temporarily plugged with the installation of Super Sacks to reduce flooding risks.

Construction on this segment of the flood protection project will continue summer 2016. At that time, the Super Sacks will be removed.

If you have questions about the installation of the Super Sacks, contact Patrick Stanton at 408-630-2029.

You will soon receive an invitation to an upcoming flood preparedness resource fair. There you will have the opportunity to learn more about how to prepare for a flood, get flood insurance, and develop an emergency family plan for your family.

Lower Silver with Dobern

Construction on the Lower Silver Creek Flood Protection Project (click to view project update) took place this past summer at several locations in east San José from Story Road to Cunningham Avenue (see “orange” and “brown” lines on map below). Work included widening the creek channel and adding floodwalls to accommodate high flows from winter storms. Construction began in early May and will continue through December 2017.

Project contact:

For more information on this project, contact Ed Morales at (408) 630-2880 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 Ave.     

 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.

 Flood protection project commended in federal report

The White House recently released Vice President Joe Biden’s list of 100 significant stimulus projects from across the United States. The Lower Silver Creek Flood Protection Project, which is a joint project between the NRCS and the district, was a significant local feature on this celebrated list of stimulus fund accomplishments.

The entire report is available for download here. (Vice President Joe Biden's list of 100 significant stimulus projects)

 

 

NRCS-Recovery.gov logos      state logo
 

Groundbreaking Ceremony Aug. 27 photos  and a short video.

Groundbreaking Ceremony invitation

Construction Progress Sept. 2009 photos

Design Proposals for Reach 4 and 5  Meeting displays for 4b,  Meeting display for 4c and meeting display for 5

 

Our partners for this project:

Natural Resources Conservation Service

American Recovery and Reinvestment Act

 

ARRA Certification: Section 1511