Rigdon Marine Corporation (RMC), announced that Grand Slam, the fourth in the series of ten 4000 Class PSV was delivered by Bollinger Shipyards in Lockport, Louisiana. Mrs. Karen Whitley, wife of RMC’s Director of Technical Services, Jim Whitley, christened the hull of the vessel with the traditional bottle of champagne the day before the Rigdon 4000 Class PSVs was named a ‘Significant Boat of 2007’ at the WorkBoat Trade Show in New Orleans, Louisiana. The ‘Grand Slam,’ is a 190 x 46 x 18-ft., diesel electric, DP-2 PSV, which features a capacity of 4,000 barrels of liquid mud in an oval, self cleaning, segregated tank system. The PSV will also include three x Z-Drives and two x large forward tunnel thrusters.