Mammoet LNG Modular Construction

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EngineeredHeavyLogistics: MovingDeadlinesForwardinLNGModularConstruction

SNAME ARCTIC NOVEMBER 20, 2013


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PRESENTATION CONTENT

1. Modularization

2. Engineered Heavy Logistics

3. LNG: Australia to British Columbia

4. Lessons Learned

5. Questions


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SAFETY MOMENT

The Mammoet Minute, only six steps

in 60 seconds:

Stop

Think

Look around

Assess the RiskTake Action

Start your task.


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WHY MODULARIZATION?

Limited / strained labor force

Limited workforce accommodation

Limited equipment availability

Harsh environment

Limited plot plan area or greenfield development Restricted geographic location

Environmentally sensitive

Limited time window


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ENGINEERED HEAVY LOGISTICS

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HOW DOES MODULARIZATION SAVE TIME?


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WHAT MUST BE CONSIDERED

BEFORE WE START TO DESIGN MODULES?


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WHERE WILL THE MODULES BE FABRICATED?


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AVAILABILITY OF SUITABLE VESSELS


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INCORPORATING TRANSPORTATION LOADS IN THEDESIGN OF STRUCTURAL STEEL


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WHAT SIZE OF MODULES CAN BE REALISTICALLY MOVED?


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Limited / strained local labor force

Access to offshore labor force

Remote / Harsh environment

Limited plot area / green field development

Environmentally sensitive Schedule / cost / safety driven projects


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GORGON PROJECT SCOPE OVERVIEW

56 Modules (MOD) (SPMT) Range between 450 6500 Tonnes

9 Column's (PDR) (CRANE) Range between 138 and 1112 Tonnes

233 Pipe racks (PAR) (SPMT / CRANE) Range between 12 and 1500 Tonnes

32 Substation Buildings (CRANE)

6 Compressor/Turbine lines (CRANE)

6 Waste Heat Recovery stacks (SPMT/CRANE)

Additional scope : 140+ small pre-assembled structures (Load-out / Load-in AMC Yard Perth)


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GORGON SITE OVERVIEW

MOF

JETTY / MOF

CAUSEWAY

LNG PLANT

FLARE


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GORGON SITE OVERVIEW


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SITE PLAN (EXCL. FLARE + MOF)


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ROLL ON / ROLL OFF


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TRAIN 1 LNG MODULE (6000+ TE)


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2ND LNG TRAIN MODULE (TAJB)


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AMINE ABSORBER (1112 TE)


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AMINE ABSORBER RIGGING


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AMINE ABSORBER LIFT


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PIPE-RACK TRANSPORT IMPRESSION


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PIPE-RACK TRANSPORT IMPRESSION


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INSTALLATION CHALLENGES

Tight operations Constant changing site conditions Unexpected additional scope

Maintaining delivery schedule Large amount of auxiliary equipment Shortage of laydown area


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LESSONS LEARNED


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LESSONS LEARNED

1. 100% engineering completion before start of fabrication

Failure to accomplish this will result in potential for significant increase in on site direct / indirect hours


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LESSONS LEARNED

2. Early involvement of EHL (Engineered Heavy Logistics)

Including an EHL as an overall advisor will optimise the logistics chain in time and money

Optimization of sea fastening, grillage and lashing equipment thru smart engineering

Determine logistics envelop

Highlight bottleneck for logistics strategy

Standardize lifting and transport supports as much as possible for all items

An EHL approaches design from an optimized construction point of view. Historically, in the offshore

industry, modularisation has been a lump sum based execution strategy. Therefore, the EHL will view

onshore projects from the same mindset.


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LESSONS LEARNED

3. Select construction strategy at early stage Build high modules (only SPMT)

Build lower modules (SPMT with cranes)

Define maximum weights to optimize crane use (i.e. single crane for all lifts)

Including legs on the modules allows for flexible placement and storage


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LESSONS LEARNED

4. Interface management

Strong technical and operational experience for integration of marine and land contractors

Involved parties: MWS, marine contractor, customs, Client, site contractor, stevedores, longshoreman,

engineering design contractor, sea fastening fabricator, etc.

Clearly understand responsibilities of all parties prior to operations


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LESSONS LEARNED

5. Management of the unexpected

We do not live in an ideal world. Always have a plan B (and perhaps even C)

Prepare for receiving cargo day or night

Sufficient support equipment (module stands, load spreader mats and miscellaneous equipment)

Where possible, have 2 discharge locations to reduce potential for expensive demurrage for transport

vessel and equipment


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LESSONS LEARNED

6. Module Alignment

Module Alignment requires strong spotters to ensure proper positioning and no damage to piperacks

and equipment There will be misalignment within the module blocks. Differences in temperatures will make every pipe

extend or retrack.

Make sure you can compensate misalignment of this piping by using sleeves, or spacers and adequate

measuring and shimming equipment is available

Understand boundaries of approval with all parties


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LESSONS LEARNED

7. Shipping / Importation of Equipment

In environmentally sensitive areas special preparations (cleaning of equipment, customs paperwork,

inspections) are required Custom clearance for modules can be significant scheduling

8. Local Contractors

Well versed in local labor regulations and requirements

Experience with camp based work

9. Communication


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MOVING DEADLINES FORWARD

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Documents

Mammoet LNG Modular Construction