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RO/RO RAMP TO PLATFORM INTERFACE

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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 ... – PowerPoint PPT presentation

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Title: RO/RO RAMP TO PLATFORM INTERFACE


1
RO/RO RAMP TO PLATFORM INTERFACE JLOTS
LOGISTICS FROM THE SEA RD 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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