Shortening LNG Storage Tank Construction Period by the ... Tateishi... · Shortening LNG Storage...
Transcript of Shortening LNG Storage Tank Construction Period by the ... Tateishi... · Shortening LNG Storage...
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Shortening LNG Storage Tank Construction Period
by the Jack Climbing Method®
Copyright © 2017 IHI Corporation All Rights Reserved.
Gastech2017 -Technical sessions-
Stream 3: Gas & LNG Storage & Containment – Onshore Tanks
Tank Project Dept.
Field Engineering Manager, Hirotsugu TATEISHI
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IHI Corporation
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Social Infrastructure and Offshore Facilities(Bridge, Transportation System, Security, etc.)
Aero Engines and Space (Jet Engine, Rocket)
General-Purpose Machinery(Compressor, Separator, Turbo charger, etc.)
Industrial Systems(Steel Manufacturing Furnaces, Heat/Surface Treatment
Equipment, Logistics Systems, Material Handling Equipment, etc.)
Resources, Energy and and Environment(Boiler, Gas Turbine/Gas Engine, LNG Terminal, Process Plant, Nuclear Eqipment, etc.)
Resources,
Energy and
Environment
Aero Engines
and Space
Industrial Systems
and
General-Purpose
Machinery
Social
Infrastructure
and
Offshore Facilities
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Construction Period of LNG Receiving Terminal
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Tank Civil
Terminal Civil
Tank Mechanical
Terminal Mechanical
Start of Construction Ready for Cool Down
1st year 2nd year 3rd year 4th year
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Structure of Double Roof Type Tank
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OUTER ROOF
INNER ROOF
KNUCKLE PLATE
BOTTOM INSULATION
INNER BOTTOM PLATE
BOTTOM LINER PLATE
ROOF STRUCTURE / PIPING
PC WALL
BASE SLAB
INNER SHELL PLATE
OUTER SHELL LINER PLATE
SHELL INSULATION
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Structure of Deck Type Tank
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SUSPENDED DECK / INSULATION
OUTER ROOF
CONCRETE ROOF
INNER SHELL PLATE
OUTER SHELL LINER PLATE
SHELL INSULATION
BOTTOM INSULATION
INNER BOTTOM PLATE
ROOF STRUCTURE / PIPING
PC WALL
BOTTOM LINER PLATE
BASE SLAB
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Conventional Tank Construction Method #1
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PC WALL
KNUCKLE PLATE INNER ROOF
OUTER ROOF
AIR RAISING OUTER ROOF
BASE SLAB
INNER SHELL PLATE
OUTER SHELL LINER PLATE
Outer Tank Air Rising Method
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Pros and Cons of Outer Tank Air Rising Method
Pros
Less weather interruption / damage
(Higher quality construction)
Cons
Longer construction period
Higher risk of accident
Outer Tank Air Rising Method
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Conventional Tank Construction Method #2
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PC WALL
BASE SLAB
KNUCKLE PLATE
INNER ROOF
OUTER ROOF
OUTER SHELL LINER PLATE
INNER SHELL PLATE
OUTER ROOF
AIR RAISING
Inner Tank Air Rising Method
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Pros and Cons of Inner Tank Air Rising Method
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Pros
Shorter construction period
Cons
More weather interruption / damage
Higher risk of accident
Inner Tank Air Rising Method
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Overview of JCM
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JCM realizes…
Simultaneous construction of PC wall and inner shell plate
Minimum aerial / lifting work
Shorter construction period
Higher level of safety / efficiency / quality
Significant features of JCM
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JCM Sequence for Double Roof Type Tank
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1 2 3 4
5 6 7 8
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JCM Sequence for Double Roof Type Tank
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9 10 11 12
13 14 15
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Effect of JCM for Double Roof Type Tank
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Base Slab
PC Wall
Bottom Insulation/Inner Bottom Plate
Inner Shell Plate
Outer Shell Liner
InnerRoof
Test
Shell Insulation
OuterRoof
1st J/U Final J/D
Roof Structure/Piping
Base Slab
PC Wall
Test
Inner Roof/Outer Roof
Inner Shell Plate
Bottom Insulation/Inner Bottom Plate
Shell InsulationRoof A/R
Outer Shell Liner
Roof Structure/Piping
About 9 months
WORK FLOOR
WELDER
INSPECTOR
WORK FLOOR
INNER SHELL PLATE
Fitting / Welding / Inspection Jack Up
JCM
Outer Tank Air Rising Method Inner shell plate construction
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Quick summary- Double Roof Type Tank and Deck Type Tank
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INNER SHELL PLATE
INNER ROOF
OUTER ROOF
(METALLIC)
SUSPENDED DECK
CONCRETE ROOF
INNER SHELL PLATE
OUTER ROOF
(METALLIC)
Double Roof Type Deck Type
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JCM Sequence for Deck Type Tank
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1 2 3 4
5 6 7 8
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JCM Sequence for Deck Type Tank
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9 10 11 12
13 14 15
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Effect of JCM for Deck Type Tank
Copyright © 2017 IHI Corporation All Rights Reserved.
Base Slab
PC Wall
Outer Shell Liner
OuterRoof
BottomInsulation
Inner Shell Plate
※For Annular Part
Roof A/R
RoofConc.
Roof Structure/Piping
Test
Bottom Insulation/Inner Bottom Plate
Shell Insulation
Base Slab
Outer Shell Liner
PC Wall
OuterRoof
BottomInsulation
Inner Shell Plate
※For Annular Part
1st Roof J/UFinal Roof J/U
RoofConc.
Roof Structure/Piping
Bottom Insulation/Inner Bottom Plate
Test
Shell Insulation
About 6 months
Outer Tank Air Rising Method
JCM
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Experience #1 (Shin-Sendai Project)
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Experience #2 (Soma Project)
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Overall Summary
Copyright © 2017 IHI Corporation All Rights Reserved.
What can JCM realize?
• Shorter construction period
• High level of safety / efficiency / quality
This is an ideal method for constructing LNG tanks!
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