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In this photo William Moylan is working with Garran Wesseman who is standing on the right hand end of a side girder on Tower Three of the Downtown Span of the Ohio River Bridges Project. This was the first section of the downtown span that was attached to Tower Three and marked another milestone in the construction timeline. After this section was placed all three towers were supporting sections of the new bridge.
The surveyors continuously monitor the placement of the bridge components in order to make sure that the bridge is staying true to the design specifications. Their survey equipment is all electronic and communicates the measurements to the surveyors and engineers in real time so that the decisions they make are accurate.
Click on the image to enlarge it.
Click on the image to enlarge it.