What may be the future surface of San Francisco’s sea wall is being assembled in an expansive warehouse near Mission Bay.

Instead of constructing one continuous surface, a team of welders and engineers with the Port of San Francisco are fabricating a series of steel platforms festooned with textured tiles to test whether grooves, curves and divots will attract native marine species or promote biodiversity within the Bay.

‘Living sea wall’ may help protect S.F. from rising waters

Tim Felton, deputy director of maintenance with the Port of San Francisco, picks up a stone tile on a prototype ‘living sea wall.’ (Kevin N. Hume/The Examiner)

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