![BAY BRIDGE CHRONICLES / Piling it on -- loudly / Work on new span's foundation about to enter noisy next phase BAY BRIDGE CHRONICLES / Piling it on -- loudly / Work on new span's foundation about to enter noisy next phase](https://s.hdnux.com/photos/10/17/10/2159135/8/1200x0.jpg)
BAY BRIDGE CHRONICLES / Piling it on -- loudly / Work on new span's foundation about to enter noisy next phase
![One of the four cofferdams, the tidal river ment that the dam had to be pumped out before the next stage of the foundation was started Stock Photo - Alamy One of the four cofferdams, the tidal river ment that the dam had to be pumped out before the next stage of the foundation was started Stock Photo - Alamy](https://c8.alamy.com/comp/P676AN/one-of-the-four-cofferdams-the-tidal-river-ment-that-the-dam-had-to-be-pumped-out-before-the-next-stage-of-the-foundation-was-started-P676AN.jpg)
One of the four cofferdams, the tidal river ment that the dam had to be pumped out before the next stage of the foundation was started Stock Photo - Alamy
![The “cofferdam technique” is used for building the foundation for a bridge. In this method, a wall enclo… | Unbelievable facts, History facts interesting, Fun facts The “cofferdam technique” is used for building the foundation for a bridge. In this method, a wall enclo… | Unbelievable facts, History facts interesting, Fun facts](https://i.pinimg.com/736x/94/53/c4/9453c4c6c6e14561ded8eeeb7f89af43.jpg)