TM 55-1945-205-10-20002 00 10002 00OPERATOR MAINTENANCEROLL-ON/ROLL-OFF DISCHARGE FACILITYMAJOR COMPONENTSDESCRIPTION AND DATAEQUIPMENT CHARACTERISTICS, CAPABILITIES AND FEATURESThe roll-on/roll-off discharge facility (RRDF) is a floating discharge platform for ocean-going roll-on/roll-off sealift vessels. It provides the capability to move rolling cargo from the sealift vessel to lighters for movement ashore. The RRDF platform consists of an assembly of 153 non-powered floating modules. These modules are assembled into five sub-assemblies, which are then connected together using the Navy flexor and shear connector system which forms a hinge joint between them. The five sub-assemblies are 80 ft long and of differing widths. The width depends on the sub-assemblies location in the platform and on whether the RRDF platform will be used at the side ramp or the stern ramp of the sealift vessel. The overall dimensions of the RRDF platform are 400 ft long by 120 ft wide.The RRDF is maneuvered into place, either alongside or astern of the sealift vessel, by warping tugs. It is secured to the sealift vessel in position for the stern or the side ramp to land on the platform.Up to two Landing Ships Vehicle (LSV) or two Landing Craft Utility (LCU) watercraft lighters can be loaded at a time from an RRDF platform. In addition, the platform is capable of supporting two M-1 Abrams tanks and one sealift vessel cargo ramp foot on the platform surface. The structure of the RRDF will withstand the cargo loading through Sea State 2 conditions.The RRDF consists of up to 17 intermediate modular sections. Intermediate sections consist of three center modules and six rake end modules (two center rake modules, two right-hand rake modules and two left-hand rake modules). Other major components of the RRDF are the personnel shelter, diesel generator set, trailer-mounted light towers, lifeline subsystem, communications equipment, rigid hull inflatable boat (RHIB) and the emergency anchoring system (EASY).LSVLC U -2000
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