The two 6" suction hoses were used to bring the water level down quickly. Seepage was so minimal that one pump running on idle was all that was need to keep the work area dewatered.

This worker is looking at the pole the AquaDam® had to go around. All of the mud had to be removed before gravel could be laid to form the foundation of the new boat ramp.

This is the entire amount of seepage coming underneath the AquaDam®. This is very, very little. The sediment on the bottom of the Chesapeake Bay forms an ideal seal.

One of the first things undertaken after installing the AquaDam® was to use local fill material that had been removed to back up the AquaDam® until the last part of the project. That mud looks kind of deep...

To no great surprise, yes, it is mud, and yes, this piece of equipment will sink in it. Even the best ideas sometimes have drawbacks. The gray material was used so people could walk out on top of the mud to hook the excavator up to a chain.