(1) The 1,050 mm diameter outfall on the west side of the airfield required a temporary cofferdam during its construction.(2) Right outside my window is the cofferdam they're building so they can repair it.(3) Its diversion tunnel is accompanied by upstream and downstream cofferdams that permit construction of the main dam.(4) The construction scheme employed on the bridge consisted of cofferdams for the drilled shaft foundations, and climbing forms for the tower construction.
