Tiburon crews box in downtown drains to keep tidewater off streets

Tiburon Public Works crews have built wooden “tide boxes” over storm drains at low-lying downtown intersections to keep high tides from backing up onto the streets.

The boxes sit at Beach Road’s intersections with Tiburon Boulevard and Juanita Lane and at other spots that flood at high tide, according to a Nov. 2 town newsletter.

Each box sits over a drain. As the tide rises and pushes bay water up through the pipes, the box traps it and keeps it out of the street. The water recedes as the tide falls, the newsletter said. Crews seal the seams and hold each box down with weighted bags.

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