1. LNG carriers and bunkering vessels
Marco La Valle
ConferenzaGNL - ROMA 11/06/2015
LNG carriers and bunkering vessels
M.E.S.
MARINE ENGINEERING SERVICES

2. M.E.S. – Marine Engineering Services S.r.l.
Introduction
INTRODUCTION
ESTABLISHMENT
1986
SPECIALIZED
Gas Carriers
Chemical Tankers
Bitumen Carriers
MARKET
Italy
Turkey
Vietnam
China
Korea
Indonesia
Poland
The Netherlands
Finland
M.E.S. – Marine Engineering Services S.r.l.
Established on 1986 by Ing Giorgio La Valle (40 years experience in gas carriers design)
Specialized in gas carriers, chemical tankers and bitumen carriers
About 100 ships built with MES design
Market: worldwide
Headquarters: Trieste (Italy) 2

3. COMPANY PROFILE See VIDEO See some Picture Head Office – TRIESTE
Trieste (ITALY)
500 m2
Abt. 30 workstations
COMPANY PROFILE
See VIDEO
See some Picture
Head Office – TRIESTE
500 m2 – abt. 30 workstations

4. SURVEY DURING SHIP CONSTRUCTION CONSULTANCY SPECIALISTIC CALCULATIONS
Activity
ACTIVITY
ACTIVITY
Design:
Concept Design
Basic Design
Detailed Engineering
Specialistic Calculation
Survey:
On-site (up to 18 surveyors at full capacity)
ACTIVITY
DESIGN
SURVEY DURING SHIP CONSTRUCTION
CONSULTANCY
SPECIALISTIC CALCULATIONS
LOADING COMPUTER
OTHERS…

5. 10 x 25000 dwt – AVIC DINGHENG SHIPYARD
Activity
ACTIVITY
ACTIVITY
Design:
Concept Design
Basic Design
Detailed Engineering
Specialistic Calculation
Survey:
On-site (up to 18 surveyors at full capacity)
ACTIVITY
10 x dwt – AVIC DINGHENG SHIPYARD 5

6. 2 x 19800 dwt – NINGBO XINLE SHIPYARD
Activity
ACTIVITY
ACTIVITY
Design:
Concept Design
Basic Design
Detailed Engineering
Specialistic Calculation
Survey:
On-site (up to 18 surveyors at full capacity)
ACTIVITY
2 x dwt – NINGBO XINLE SHIPYARD 6

7. KEY POINTS HIGH PERFORMANCES QUALITY CONTINUOUS FEEDBACK EXPERIENCE 7
speed-power ratio (low consumptions, up to 25÷30%less than competitors)
main dimensions optimization (reduce total ship cost)
QUALITY
Drawings / Documentation
Details
Support / Assistance
ISO9001
CONTINUOUS FEEDBACK
Production (Shipyard)
Production (Survey activity)
During ship’s life (Shipowners)
G&H production
Assistance for equipment tenders (Shipyard/Shipowner)
EXPERIENCE
40 years in ship design
Gas carriers Management
Survey
Innovation 7

8. see the complete REFERENCE LIST on our web page:
Products
PRODUCTS
PRODUCTS
Gas carriers
Chemical tankers
Bitumen carriers
Ro-Ro
Ferry
Various
PRODUCTS
see the complete REFERENCE LIST on our web page:
Chemical tankers:
from 5500 dwt up to dwt
Gas carriers:
from 2500 cbm up to cbm
40000 cbm
Bitumen carriers:
from 6000 dwt up to 7000 dwt
LNG bunkering vessels 8

9. Gas carriers: Bunkering vessels: PRODUCTS 2500 cbm ÷ 12000 cbm
Chemical tankers
Bitumen carriers
Ro-Ro
Ferry
Various
PRODUCTS
see the complete REFERENCE LIST
on our web page:
Gas carriers:
2500 cbm ÷ cbm
40000 cbm
Bunkering vessels:
600 cbm ÷ cbm

10. MAIN DIMENSIONS 3000 m3 LNG bunkering vessel
CHARACTER.
LNG (-163°C) at 5 bars
3000 m3 LNG bunkering vessel
MAIN DIMENSIONS
Lenght overall : abt m
Lenght between perpendiculars : abt m
Breadth : abt m
Installed Power : kW
Service Speed : kW

11. 3000 m3 LNG bunkering vessel MAIN 3000 m3 LNG CHARACTER.
steel grade selection
insulation
single or twin screw twin skeg
3000 m3 LNG bunkering vessel

12. 3000 m3 LNG bunkering vessel REFERENCES 3000 m3 LNG
8 sisterships already built (3300 cbm LPG)
3000 m3 LNG bunkering vessel

13. 7500 m3 LNG bunkering vessel . 7500 m3 LNG Bunkering Vessel
Lpp = 111.0m
B = 18.6m
TDES = 6.0m
SpeedSERV = 13 kn with
Power = 1500 kW
PowerINST = 3180 kW .
7500 m3 LNG bunkering vessel

14. SUPER GREEN SHIP – 40.000 m3 LNG Super Green Ship MAIN CHARACTER.
Lpp =179.7 m
B = m
DraftDES = m
SpeedSERV=16.0 kn
PowerINST= 7700 kW
Medium Size
Worldwide navigation
harbours with limitations (max dimensions; low draft; etc..)
USE: Gas distribution door2door
Terminal on-shore
FSRU
MAIN CHARACTER.
Bilobe tanks
9% Nickel
Insulation: poliurethane
Onboard regasification plant unit
Twin screw / twin skeg
Higher safety
Low draft
Slow steaming
Low consumption
Dual Fuel
SUPER GREEN SHIP – m3 LNG

15. SUPER GREEN SHIP – 40.000 m3 LNG Super Green Ship MAIN CHARACTER.
Lpp =179.7 m
B = m
DraftDES = m
SpeedSERV=16.0 kn
PowerINST= 7700 kW
Medium Size
Worldwide navigation
harbours with limitations (max dimensions; low draft; etc..)
USE: Gas distribution door2door
Terminal on-shore
FSRU
MAIN CHARACTER.
Bilobe tanks
9% Nickel
Insulation: poliurethane
Onboard regasification plant unit
Twin screw / twin skeg
Higher safety
Low draft
Slow steaming
Low consumption
Dual Fuel
SUPER GREEN SHIP – m3 LNG

16. SUPER GREEN SHIP – 40.000 m3 LNG Super Green Ship MAIN CHARACTER.
Lpp =179.7 m
B = m
DraftDES = m
SpeedSERV=16.0 kn
PowerINST= 7700 kW
Medium Size
Worldwide navigation
harbours with limitations (max dimensions; low draft; etc..)
USE: Gas distribution door2door
Terminal on-shore
FSRU
MAIN CHARACTER.
Bilobe tanks
9% Nickel
Insulation: poliurethane
Onboard regasification plant unit
Twin screw / twin skeg
Higher safety
Low draft
Slow steaming
Low consumption
Dual Fuel
SUPER GREEN SHIP – m3 LNG

17. SUPER GREEN SHIP – 40.000 m3 LNG Super Green Ship MAIN CHARACTER.
Lpp =179.7 m
B = m
DraftDES = m
SpeedSERV=16.0 kn
PowerINST= 7700 kW
Medium Size
Worldwide navigation
harbours with limitations (max dimensions; low draft; etc..)
USE: Gas distribution door2door
Terminal on-shore
FSRU
MAIN CHARACTER.
Bilobe tanks
9% Nickel
Insulation: poliurethane
Onboard regasification plant unit
Twin screw / twin skeg
Higher safety
Low draft
Slow steaming
Low consumption
Dual Fuel
SUPER GREEN SHIP – m3 LNG

18. Insulation: poliurethane Onboard regasification plant unit
Super Green Ship
Super Green Ship
40,000 m3 LNG
MAIN CHARACTER.
Bilobe tanks
9% Nickel
Insulation: poliurethane
Onboard regasification plant unit
Twin screw / twin skeg
Higher safety
Low draft
Slow steaming
Low consumption
Dual Fuel
SUPER GREEN SHIP – m3 LNG
MAIN CHARACTERISTICS
Bilobe Tanks
9% Nickel
Insulation: poliurethane
Onboard regasification plant unit
Twin screw / twin skeg
Higher safety
Low draft
Slow steaming
Low consumption
Dual Fuel

19. TRANSFORMATION LPG  LNG CARRIER
3700 m3 LNG
Bunkering Vessel
PRESENT WORK
LPG  LNG
new bilobes
2  3 tanks
lenghtening (+20m)
D.F. M.E.
D.F. A.E.
GVU
LNG plant
TRANSFORMATION LPG  LNG CARRIER
DUAL FUEL PROPELLED
EXISTING SHIP
3000 m3 LPG carrier (-48°C)
SHIP MODIFIED
3700 m3 LNG carrier (-163°C)

20. TRANSFORMATION LPG  LNG CARRIER
3700 m3 LNG
Bunkering Vessel
PRESENT WORK
LPG  LNG
new bilobes
2  3 tanks
lenghtening (+20m)
D.F. M.E.
D.F. A.E.
GVU
LNG plant
TRANSFORMATION LPG  LNG CARRIER
DUAL FUEL PROPELLED
EXISTING SHIP
3000 m3 LPG carrier (-48°C)
SHIP MODIFIED
3700 m3 LNG carrier (-163°C)

21. TRANSFORMATION LPG  LNG CARRIER
3700 m3 LNG
Bunkering Vessel
PRESENT WORK
LPG  LNG
TRANSFORMATION LPG  LNG CARRIER
DUAL FUEL PROPELLED
SHIP MODIFIED
General Arrangement
Capacity Plan
Midship Section
Stability
Longitudinal Strenght
Scantling Plans
Freeboard
E.N.
E.R. arrangement (new M.E., GVU, LNG propulsion plant)
F.E.M. thermal calculations

22. TRANSFORMATION LPG  LNG CARRIER
3700 m3 LNG
Bunkering Vessel
PRESENT WORK
LPG  LNG
TRANSFORMATION LPG  LNG CARRIER
DUAL FUEL PROPELLED
SHIP MODIFIED
General Arrangement
Capacity Plan
Midship Section
Stability
Longitudinal Strenght
Scantling Plans
Freeboard
E.N.
E.R. arrangement (new M.E., GVU, LNG propulsion plant)
F.E.M. thermal calculations

23. Double Wall tank for D.F. propulsion
Dual Fuel Propulsion
Double wall tank (150 cbm)
Inner vessel
Outer vessel
Vacuum +MLI
150 cbm double wall tank for dual fuel propulsion
Tank Connection Space
Outer shell
Double Wall Pipes Connection
Inner shell
Cradle

24. WARTSILA & FINCANTIERI
RO-RO PAX
DUAL FUEL
SOLUTIONS FOR D.F. PROPULSION
Double wall tanks 9%Nickel
Insulation:
Vacuum +
M.L.I.
FEM analysis
CO-OPERATION WITH WARTSILA & FINCANTIERI
Necessity to reduce at minimum possible the B.O.G. and maximixe the holding time
double wall tank (vacuum insulation + M.L.I.)
cooling down calculations and FEM process simulations (Transient thermal analysis)
thermal stress analysis 24

25. RO-RO FERRY - FINCANTIERI
STQ QUEBEC FINCANTIERI
SCOPE OF SUPPLY
RO-RO FERRY - FINCANTIERI
SCOPE OF SUPPLY
Scantling plans (Ship structure)
Sistem schematics (P&ID)
Ventilation
Outfitting
LNG Bunkering station
Assistance & consultancy
Hazid/Hazop assistance
LNG tanks design + Temperature Distribution Analysis (Wartsila)

26. RO-RO FERRY - FINCANTIERI
STQ QUEBEC FINCANTIERI
MAIN
CHARACTER.
Dual fuel Propulsion
Transport of passengers
Transport of cars/trucks
RO-RO FERRY - FINCANTIERI
MAIN DIMENSIONS
Lenght overall : abt m
Lenght between perpendiculars : abt m
Breadth : abt m
Service Speed : abt knots
Installed Power : ,000 kW
No. max passengers :
No. CEU (car equivalent units) :
Crew :
Ice Class : AS FS

27. RO-RO FERRY - FINCANTIERI
STQ QUEBEC FINCANTIERI
MAIN
CHARACTER.
Dual fuel propulsion
Transport of passengers
Transport of cars/trucks
RO-RO FERRY - FINCANTIERI
LNG TANKS
Capacity : 2 x 280 m3
Indipendent type IMO C
Support cradles
Max Pression : 9 bar
Double Wall
Insulation by vacuum in combination with M.L.I.
Double wall pipes

28. RO-RO FERRY - FINCANTIERI
STQ QUEBEC FINCANTIERI
MAIN
CHARACTER.
Dual fuel propulsion
Transport of passengers
Transport of cars/trucks
RO-RO FERRY - FINCANTIERI
BUNKER STATION
Bunkering by trucks
Semi-enclosed space
Airlock
Hazardous Area
Mechanical ventilation
OCIMF Regulations
Gas detection
Dry Powder

29. RO-RO FERRY - FINCANTIERI
STQ QUEBEC FINCANTIERI
F.E.M. thermal calculations
RO-RO FERRY - FINCANTIERI
LNG TANKS
Capacity : 2 x 280 m3
Indipendent type IMO C
Support cradles
Max Pression : 9 bar

30. Double wall pipes F.E.M. thermal calculations STQ QUEBEC FINCANTIERI

31. FINCANTIERI
STQ FERRY

32. FINCANTIERI
STQ FERRY

33. FINCANTIERI
STQ FERRY

34. FINCANTIERI
STQ FERRY

35. Gas handling needs specialistic knowledge:
CONCLUSION
CONCLUSION
CONCLUSION
Gas handling needs specialistic knowledge:
thermodynamics
safety concepts /Rules ….
materials / metallurgy / special welding
technological limits
assembly
Designer to give specialistic assistance to the Client:
HAZID (design) / HAZOP (operative risks)
transfer / bunkering
gas freeing / gassing-up / cooling down

36. THANKS FOR THE ATTENTION
Contacts
THANKS FOR THE ATTENTION
Visit us on the web :
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M.E.S. – Marine Engineering Services S.r.l.