Download - NAVAL LIGHTERAGE R&D PROGRAM 30 JANUARY 2002 Sealift Support Program Office Naval Facilities Command
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NAVAL LIGHTERAGE R&D
PROGRAM
30 JANUARY 2002
Sealift Support Program OfficeNaval Facilities Command
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AGENDA
• ACTD Lesson’s Learned
• Navy R&D Accomplishments
• Plans For Next 12 Months
• Replacement System
• Questions?
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ACTD LESSON’S LEARNED
• ISO sized modules increased weight/assembly time• Structure needed to be strengthened for SS5
survivability• Needed to improve alignment guides• Flexible connections required for larger platforms• Rigid connectors required strengthening and safety
improvement• Additional fendering required for safety• Mooring and anchoring improvements required• Additional speed and bollard pull required• Deck jewelry and increased winch capacity required• Interface with legacy systems critical• Bow ramp deployment improvements required
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NAVY LIGHTERAGE R&D ACCOMPLISHMENTS
• Designed improved rigid connector• Automated development of flexor connector• Designed alignment wedge for improved assembly• Reduced weight by complete redesign of modules and
alternate material evaluation• Increased module strength based on hydrodynamic
analyses/modeling• Improved power module with fendering, deck jewelry,
and deck winch upgrades• Improved platform speed and bollard pull by optimizing
hull form, propulsion system, and reducing weight• Manufacturing 3 prototype modules for test at sea
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IMPROVED RIGID CONNECTORS
• Designed by NSWCCD Carderock
• Remote activation/manual backup
• Improves safety through SS3
• Provides greater load transfer to hull
• Fabricated by CG Yard
• Load tested at NSWCCD Oct-Nov 01
• Government patent pending
• Incorporates all ACTD lessons learned
• SS5 survivable
• Incorporated in 3 prototype modules
• NSWCCD developing alignment/capture device works in conjunction with connectors to assist connection process
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IMPROVED RIGID CONNECTORS
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ALIGNMENT/CAPTURE DEVICE
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FLEXIBLE CONNECTORS
• Required every 160’ to reduce sea state loads
• Sea State 5 survivable
• Designed by NFESC from existing NL flexor connectors
• Includes remote activation/manual backup
• Adapted shear connection as alignment device for high
sea states
• At-sea testing scheduled Mar – Apr 02
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NEW GENERATION DECK WINCH
• Prototype procurement by NSWCCD Philadelphia (NAVSSES)
• Manufacturer – InterOcean Systems Company, San Diego, CA
• Delivery scheduled Feb 02
• At-sea testing scheduled Mar 02
• Replaces obsolete deck winch on SLWT– Same footprint – Increased load to 30,000 lbs– Increased capacity– Increased wire rope size to 1-1/4”– Larger and stronger capstan – Quieter
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NEXT GENERATION DECK WINCH
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ARTICULATING A-FRAME
• Designed by NFESC and NAVSSES
• Provides extension from 3 feet aft of WT bow to 5 feet forward of bow
• Improves operator safety
• Increased rated load to 30,000 lbs
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SPANNING RAMP
• Concept development by NFESC
• Must permit rolling stock to move between platforms and craft
• Must be self contained, packaged in ISO flat-rack
• Must be Sea State 3 capable
• Must ensure ramp break-over angle permits traffic by all vehicles
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WARPING TUG/CF POWER MODULE
• One piece unit 24’W x 8’H x 90’L
• WT and CFPM use similar hull form and propulsion system
• 2X more power than existing units
• Bow thruster to provide better maneuverability (WT Only)
• Improved handling– Pusher pads, better fendering, hogging-in winches (WT Only)
• Calculated maximum craft speed full load: 11 KTS
• Current module weight estimates – WT 121 LT, CF 119 LT
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WARPING TUG
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CF POWER MODULE
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WARPING TUG COMPARISON
Dimensions Weight Bow Thruster
Speed Bollard Pull
SLWT 21’ X 84’ X 5’ 104 LT No 7 kts 12,000 lbs
WT 24’ X 90’ X 8’ 121 LT Yes 11 kts 24,000 lbs
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NON-POWERED MODULE TYPES
• 8’W x 8’H x 40’L ISO modules too lively/heavy
• Redesigned to larger 24’W x 8’W x 80’L to reduce weight and improve safety/assembly
• Four Non-powered module types
- Bow ramp
- Combination (male/female)
- Intermediate
- Ramp
• Improved rigid/flexor connectors and alignment wedge
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BOW RAMP MODULE
• 24’W x 8’H x 80’L
• In concert with flexible connectors and hull shape, will provide for dry ramp on a 1:50 beach gradient
• Module will provide a bow thruster for greater maneuverability around vessels and control in cross-current
• Ramp break-over angle will permit all vehicles to transverse without incident
Female FlexConnection
Bow Thruster
Stowed Ramp
Rake Angle= 3:20
Sloping Deck @ 7 Deg Gunwale
Male FlexConnection
8’ Ramp Length18’
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BOW RAMP MODULE
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COMBINATION MODULE (MALE/FEMALE)
FlexorRigid connector
Female endMale end
- 24’W x 8’H x 80’L each- Provides stable FC/RRDF platforms
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INTERMEDIATE MODULE
- 24’W x 8’H x 80’L - Provides flexibility to accommodate a variety of platform configurations
FlexorFlexor
Male end Female end
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RAMP END MODULE
Flexor Ramp
- 24’W x 8’H x 80’L- Component of RRDF and Floating Causeway to accommodate watercraft interface
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NSWCCD COMPOSITE MODULE
• Detailed design by NSWCCD
• 24’ W x 8’ H x 40’ L with rigid connectors at both ends
• ½ Length
• Fabrication by Litton Ingalls Shipbuilding, Gulfport, MS
• Delivery scheduled Feb 02
40’ Design 80’ Design(extrapolated values)
Module weight 107,000 lbs (47.8 LT) 165,000 lbs (73.7 LT)
Light Draft 23” 17”
Max load with 4 ft freeboard
121,000 lbs (54.0 LT) 300,000 lbs (134 LT)
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NSWC COMPOSITE MODULE CONSTRUCTION
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NSWC COMPOSITE MODULE CONSTRUCTION
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ART ANDERSON COMPOSITE COMBINATION MODULE
• Detailed design by AAA with support from fabricator (Goodrich EPP) under phase II of SBIR• 24’ W x 8’ H x 40’ L Combination Module – ½ Length• Monocoque design/foam filled • Phase III SBIR awarded Oct 23 01• Delivery scheduled Apr 02
40’ Design 80’ Design (extrapolated values)
Module weight 121,232 lbs (54.1 LT) 209,331 lbs (93.5 LT)
Light Draft 25” 22”
Max load with 4 ft freeboard
102,638 lbs (45.8 LT) 243,452 lbs (109 LT)
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AAA COMPOSITE MODULE
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STEEL COMBINATION MODULE
• Designed by US Coast Guard Yard, Curtis Bay, MD• 24’ W x 8’ H x 80’ L Combination Module• Design validation by ABS• Fabrication by USCG Yard• Completion scheduled Feb 02
80’ Steel module
Module weight 190,800 lbs (85.2 LT)
Light Draft 20”
Max load with 4 ft freeboard
274,200 lbs (122.4 LT)
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U.S. COAST GUARD YARD STEEL MODULE CONSTRUCTION
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COMPARISON NON-POWERED MODULES
Dimensions Weight SS Unloaded Draft
Load Loaded Free- Board
NL CIN 21’ X 90’ X 5’ 66 LT 2 15” 89 LT 12”
USCG Steel CM 24’ X 80’ X 8’ 85.2 LT 3 20” 122.4 LT 48”
NSWC Composite CM
24’ X 80’ X 8’ 73.7 LT 3 17” 134 LT 48”
AAA Composite CM 24’ X 80’ X 8’ 93.5 LT 3 22” 109 LT 48”
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250’ CAUSEWAY FERRY
• Power module flexed to (1) intermediate module flexed to (1) bow ramp module
PM IM BRM
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CAUSEWAY/BARGE FERRY COMPARISONS
Dimensions Capacity Speed Bollard Pull
NL Barge Ferry
21’ X 266’ X 5’ 205 LT 3 kts 12,000 lbs
CF Steel 24’ X 250’ X 8’ 280 LT 11 kts 24,000 lbs
CF Composite 24’ X 250’ X 8’ 290 LT 11+ kts 24,000 lbs
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fcm
fcm
mcm
1200’ FLOATING CAUSEWAY
IM IM
mcm
(2) CM(2) CM(2) CMIM RMRM (2) CM
FLOATING CAUSEWAY KIT2- RM- ramp module (80’)5- IM- intermediate module (80’)7- CM/M - combination module (80’)5- CM/F- combination module (80’)24- M/M CONNECTORS2- SPANNING RAMPS1- CREW SHELTER3- LIGHT CARTS
FlexorRigid side connector
IMIM
1200’
72’
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(2) CM(2) CM
(2) CM
(2) CM
STERN RRDF
FlexorRigid side connector
RM
IM
mcm
fcm
RRDF KIT1- RM- ramp module (80’)1- IM- intermediate module (80’)5- CM/M - combination module (80’)5- CM/F- combination module (80’)42- M/M CONNECTORS2- SPANNING RAMPS1- CREW SHELTER3- LIGHT CARTS
96’
400’
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(2) CM
SIDE RRDF
(2) CM(2) CM IM
RM
(2) FlexorsRigid side connector
mcm
fcm
RRDF KIT1of 1- RM- ramp module (80’)1of 1- IM- intermediate module (80’)4 of 5- CM/M - combination module (80’)4 of 5- CM/F- combination module (80’)30 of 42- M/M CONNECTORS2 of 2- SPANNING RAMPS1 of 1- CREW SHELTER3 of 3- LIGHT CARTS
400’
72’
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PLANS FOR NEXT 12 MONTHS
• Complete manufacture of 3 prototype modules
• Validate designs with at sea tests
• Complete solicitation for replacement system
• Request industry review/comment of specification requirements
• Recapitalize legacy system to extend capability until replacement system delivered
• Award low rate initial production contract incorporating R&D lessons learned (upon availability of funding)
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REPLACEMENT SYSTEM• Surf Entry and Barge Offload Systems (SEABOSS)
– Incorporates all JMLS and NL safety and product improvements24’ W x 8’ H x 80’ L NPS
24’ W x 8’ H x 90’ L WT/CSP
Use Improved Rigid and Flexible Connector System
Improved A Frame
Upgraded engines and propulsors
Spanning Ramps
Improved Deck Fittings and Deck Strength
Next Generation Winch
Hogging In Winches w/ Tensioning Device
SS3 Objective
Increased Speed, Load Capacity and Bollard Pull – ACAT III NAVFAC SYSCOM and Milestone Decision Authority
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SEABOSS ACQUISITION SCHEDULEFY02 FY03 FY04 FY05 FY06 FY07 FY08
OPEVAL
FULL RATE PRODUCTION
SystemIOC
MS C DECISION
BRIEF
PROCUREMENT PACKAGE ACQUISITION DOCUMENTS
FRP
PROD & DEV LRIP
EWTGPAC DEL
OPTION 1
PARTIAL BG1/2
FINISH EWTGPAC
OPTION 2
BG1/2 & MPS3
OPTION 3
MPS1
OPTION 4
MPS2 & BIC
LRIP
Contract
System FOC
SystemIOC
FY10FY09
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QUESTIONS?