A sectional, self-propelled barge for use in lake, island and waterfront communities for the transportation of equipment and supplies to construction sites, for example, to a site where a septic system is to be installed and methods of use thereof. The barge is operable with a vacuum tank and transportable therewith to a waterfront property for draining a septic system at the waterfront property. A containment box is provided for confining potential leaks from the vacuum tank.