Crowning double cable saddle emplacement Eastern span replacement of the San Francisco–Oakland Bay Bridge

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may 19, 2011: near sunset, cable saddle being positioned before final touchdown.


working entire day of may 19, 2011, operating engineers , ironworkers lifted , placed 900,000 pound double cable saddle atop sas tower. while large portion of span fabricated in china, particular piece made in japan, eastern , western deviation saddles , main cable hydraulic jacking saddle.


this cable saddle guides , supports mile-long main cable on tower placed later in year. in december 2011, deck placement of sas span completed , cable construction progress began. however, few months before in july 2011, tower head lifted , placed on saddle in test fitting , removed allow laying of cable. later on in 2012, cables placed on tower saddle , anchored throughout whole sas span. tower head permanently installed final time, along aircraft warning beacons, completing entire sas tower @ final height of 525 feet (160 m).








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