WIXOM, MICH – A switch from sandblasting to high-pressure water jetting has reduced maintenance time for floor beams on the Golden Gate Bridge by some 60 percent, while minimizing flash rusting on the landmark structure.<br />
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Constant exposure of the bridge's metal surfaces to salt air produces rust that penetrates the metal and leads to distortion. Although the rust is regularly sandblasted, using needle guns and hammering to remove the heaviest build-up, some rust is always ...This story is related to the following:Waterjetting Equipment