Faced with a difficult vault drain...

Faced with a difficult vault drainage challenge, the design team for the Boston Convention and Exhibition Center (BCEC) now in a less degree than construction has elected to use a siphonic drain connected view that will be the first application of its protoplast in the U.S., according to John Rattenbury, former senior engineer with Boston-based RG Vanderweil Engineers.

Installation of a conventional pitched pipe drainage arrangement within the center's ceiling space was declared infeasible, given the mandated requirement for the disposal of house drainage from the site. To avoid overflowing the antiquated storm