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RO/RO RAMP TO PLATFORM INTERFACE JLOTS & LOGISTICS FROM THE SEA R&D SYMPOSIUM

RO/RO RAMP TO PLATFORM INTERFACE JLOTS & LOGISTICS FROM THE SEA R&D SYMPOSIUM 29 - 31 January 2002. Jason Chang NAVSEA Carderock (301)227-1400. RO/RO Ramp to Platform Interface. Current Operational Issues Program Objectives Benefits Concepts Project Plan & Status

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RO/RO RAMP TO PLATFORM INTERFACE JLOTS & LOGISTICS FROM THE SEA R&D SYMPOSIUM

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  1. RO/RO RAMP TO PLATFORM INTERFACE JLOTS & LOGISTICS FROM THE SEA R&D SYMPOSIUM 29 - 31 January 2002 Jason Chang NAVSEA Carderock (301)227-1400

  2. RO/RO Ramp to Platform Interface • Current Operational Issues • Program Objectives • Benefits • Concepts • Project Plan & Status • NPS Evaluation • Questions

  3. RO/RO Ramp to Platform Interface Ship ramps designed for calm water pier operations, not for dynamic motions. Existing and planned modular platforms do not compensate for the relative motion between the ramp and RRDF. Ramp stresses exceed design levels.

  4. RO/RO Ramp to Platform Interface Objective Develop a SS3 interface capability between ramps of existing RO/RO ships and existing and future causeway platforms Ramp/Platform Motion Compensator RO/RO Ship Ramp RO/RO Discharge Facility (RRDF)

  5. RO/RO Ramp to Platform Interface Benefits • Ability to conduct RO/RO operations through Sea State 3 • Reduce relative motion between ramp and RRDF • Prevent ramp stress levels from exceeding design limits • Avoid costly RO/RO ship ramp modifications • Enable operations with MPF, RRF, commercial and foreign RO/RO vessels • Increased productivity & safety

  6. RO/RO Ramp to Platform Interface Ramp/Platform Motion Compensator Concept 1

  7. RO/RO Ramp to Platform Interface Ramp/Platform Motion Compensator Concept 2

  8. RO/RO Ramp to Platform Interface • FY01: • Re-Issued BAA • Completed 1st round evaluation • 2 concepts selected for further development and evaluation • FY02: • Preliminary designs for simulation completed • Evaluation of proposed concepts by Naval Postgraduate School • Final down select and continued development.

  9. RO/RO Ramp to Platform Interface Naval Postgraduate School Concept Evaluation - Two ramps (Cape T, LMSR) in stern ramp configuration. - SS3 with 5 ft significant wave height (Pierson Moscowitz spectrum).         - Beam and Quartering seas (45, 90 and 135 headings). - Two tanks (M1A1) offset a maximum distance from the ramp centerline at mid-span. o

  10. RO/RO Ramp to Platform Interface Information and updates can be obtained at: http://www.dt.navy.mil/code282/rororamp.html

  11. RO/RO Ramp to Platform Interface ?

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