Location Boston, Massachusetts
Client Massachusetts Water Resources Authority
Contract Amount $77,000,000

Work related to this project included the installation of 55, 250’ long, 30-inch diameter and 1¾-inch wall thickness FRP risers, lowered and grouted into a predrilled shaft in the seabed. Each riser was capped with a diffuser consisting of a concrete base latched onto a steel casing grouted to the bedrock, an 8 port FRP manifold cast into concrete, a concrete ringwall and an HDPEX protective dome.