In late 2010, Seattle-based Naval Architecture and Marine Engineering firm Guido Perla & Associates, Inc. (GPA) reached yet another milestone with the delivery of the last of 22 GPA 670 PSVs constructed at different yards owned by Sinopacific Shipbuilding in China, such as Zheijang and Dayang Shipyards. The first of the original ten vessels was delivered to Bourbon Offshore in 2005 at Zhejiang Shipyard. Soon, orders by Bourbon followed for different versions of the original GPA 670 PSV and GPA worked closely with Bourbon and the shipyard to develop the GPA 670 MKII Special Products PSV…