Before the barrier can go up, any existing brush has to be removed on 20 feet of either side of the fence line so it doesn’t provide a springboard for coqui or fall on the barrier and destroy it.

ATAC is DEI’s first paint-on sound and thermal barrier coating and it can be either sprayed on using DEI’s proprietary spray gun or it can be painted on with an ordinary paintbrush.

Construction and diving crews are installing a new bio-acoustic fish fence along a section of the Sacramento River designed to prevent chinook salmon from taking a wrong turn into Georgiana Slough.