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Sediment Removal at Devil’s Gate Reservoir to Resume May 17

Published on Thursday, May 13, 2021 | 12:50 pm
 

After being delayed by two weeks to allow some birds to finish nesting along hauling routes, trucks will resume removing sediment from the Devil’s Gate Reservoir in Pasadena on Monday as the project continues ahead of schedule, officials said.

Work was previously scheduled to resume on May 3, but was delayed after on-site biologists discovered some birds had taken up residence and started families in trees along the truck truck routes used to haul out sediment, Los Angeles County Department of Public Works Assistant Deputy Director Steve Burger said.

“So, working together with the biologist and the contractor, we were able to let the nesting pair finish up with their need for the tree and then resume operations after all that was finished up,” Burger said.

Hauling will take place between 7 a.m. and 3 :30 p.m. on Mondays through Fridays, county officials said. The sediment removal work is expected to be finished by the end of November, before a year-long habitat restoration project can begin.

Public Works officials have been working hard to mitigate community concerns from the work, such as dust and emissions from the trucks, said agency Deputy Director Anthony Nyivih.

Mitigation measures include upgrading the truck fleet to rescue emissions, pre-watering sediment prior to the loading on trucks, watering all loaded trucks before they leave the reservoir, regularly washing dirt from truck tires and undercarriages and continuous street sweeping along hauling routes, officials said.

“Last year, we had really tuned up that process and it worked very well. We had very good performance regarding dust and performance of the tire wash. So we’re going to continue that success by doing the same thing we were doing last year, monitoring and making sure it works as well this year as it did last year,” Burger said.

“With community support, we’re intending to  continue removing the sediment at a fairly fast pace so that we can finish the project sooner, rather than later,” he said. “That will allow us to work through the time where school is still in hybrid mode, and there’s less impact to the students, and then through the summer season, when there’s less impact to the students.”

Working closely with neighbors has been a key element of the project, according to Nyivih.

“We’re very excited to partner with the community to implement what we think is a model project for sediment removal in the region, and we value this kind of community input,” he said. “We value collaboration and we see it as a win-win whenever we can deliver a project that serves the needs of the community, and also do it in a collaborative way.”

More information on the Devil’s Gate Reservoir Restoration Project can be found online at pw.lacounty.gov/swe/devilsgate.

Related:

Work to Begin in May on Phase 3 of Devil’s Gate Reservoir Restoration Project

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