ENPAC Eight-Drum Workstation™ The Eight-Drum Workstation™, a one piece, polyethylene secondary containment system, offers a 60 gallon sump capacity. Four removable structural foam grates interlock and provide an 8,000 pound static load capacity. Move loads to the workstations 6-1/4" low profile by using a multi-purpose work ramp. Sold in pairs, Pallet Link-Locks™ allow workstations to be linked and locked together.