Engineering, Procurement, and Construction Challenges of the Mt. - - PowerPoint PPT Presentation

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Engineering, Procurement, and Construction Challenges of the Mt. - - PowerPoint PPT Presentation

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17 th INTERNATIONAL CONFERENCE & EXHIBITION ON 17 th INTERNATIONAL CONFERENCE & EXHIBITION LIQUEFIED NATURAL GAS (LNG 17) ON LIQUEFIED NATURAL GAS (LNG 17) Engineering, Procurement, and Construction Challenges of the Mt. Hayes LNG

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<Title of Presentation> By: <Author Name>, <Organization> <Date>

<Title of Presentation>

By: <Author Name>, <Organization> <Date>

17th INTERNATIONAL CONFERENCE & EXHIBITION ON LIQUEFIED NATURAL GAS (LNG 17)

Engineering, Procurement, and Construction Challenges of the Mt. Hayes LNG Peakshaving Facility

By: Matthew E. Stobart PE, CB&I April 18, 2013

17th INTERNATIONAL CONFERENCE & EXHIBITION ON LIQUEFIED NATURAL GAS (LNG 17)

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Mt Hayes LNG Peak Shaving Facility

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OWNER AND LOCATION

  • FortisBC Energy
  • Vancouver Island, British Columbia,

Canada

  • Commissioned May 2011
  • Roughly 9 miles (15 kilometers) South
  • f City of Nanaimo
  • Backside and near top of Mt Hayes at

920 foot elevation (280 meters)

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MT HAYES LOCATION

VANCOUVER ISLAND, BRITISH COLUMBIA, CANADA

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MT HAYES LOCATION

ROUGHLY 9 MILES SOUTH OF NANAIMO

Nanaimo

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FACILITY DESCRIPTION

  • 1.5 bscf (70,500 cu meter) Single

Containment Steel LNG Tank

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FACILITY DESCRIPTION

  • 1.5 bscf (70,500 cu meter) Single

Containment Steel LNG Tank

  • 7.5 mmscfd Mixed Refrigerant

Liquefaction System

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FACILITY DESCRIPTION

  • 1.5 bscf (70,500 cu meter) Single

Containment Steel LNG Tank

  • 7.5 mmscfd Mixed Refrigerant

Liquefaction System

  • 150 mmscfd (peak) Shell and Tube

Sendout (Vaporization) System

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FACILITY DESCRIPTION

  • 1.5 bscf (70,500 cu meter) Single

Containment Steel LNG Tank

  • 7.5 mmscfd Mixed Refrigerant

Liquefaction System

  • 150 mmscfd (peak) Shell and Tube

Sendout (Vaporization) System

  • Amine Pretreatment (CO2

Removal) System

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PROCESS GRAPHIC

AMINE PRETREATMENT (CO2 Removal) 7.5 MMSCFD MRL LIQUEFIER PRESSURE LETDOWN 1.5 BSCF LNG TANK 150 MMSCFD VAPORIZATION FORTIS PIPELINE (2160 MAOP) BOILOFF COMPRESSION TAILGAS LINE HEATER

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CONSTRUCTION CHALLENGES

  • Site Blasted out of Rock
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SITE BLASTED OUT OF ROCK

LOTS OF ROCK BLASTING AND CRUSHING

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SITE BLASTED OUT OF ROCK

TANK FOUNDATION EXCAVATION

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SITE BLASTED OUT OF ROCK

SUMP EXCAVATION

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CONSTRUCTION CHALLENGES

  • Site Blasted out of Rock
  • Steep Climb Up to the Facility
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CONSTRUCTION CHALLENGES

  • Site Blasted out of Rock
  • Steep Climb Up to the Facility
  • Site is Very Wet (High Precipitation –

Lots of Snow)

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SITE IS VERY WET - SNOW

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LOTS OF SNOW

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LOTS AND LOTS OF SNOW

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TONS OF SNOW !!!

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ENGINEERING CHALLENGES

  • High Pressure Pipeline Interface
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PROCESS GRAPHIC

AMINE PRETREATMENT (CO2 Removal) 7.5 MMSCFD MRL LIQUEFIER PRESSURE LETDOWN 1.5 BSCF LNG TANK 150 MMSCFD VAPORIZATION FORTIS PIPELINE (2160 MAOP) BOILOFF COMPRESSION TAILGAS LINE HEATER

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ENGINEERING CHALLENGES

  • High Pressure Pipeline Interface
  • Low Pipeline Flow-by Rates
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PROCESS GRAPHIC

AMINE PRETREATMENT (CO2 Removal) 7.5 MMSCFD MRL LIQUEFIER PRESSURE LETDOWN 1.5 BSCF LNG TANK 150 MMSCFD VAPORIZATION FORTIS PIPELINE (2160 MAOP) BOILOFF COMPRESSION TAILGAS LINE HEATER

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ENGINEERING CHALLENGES

  • High Seismic Zone
  • High Pressure Pipeline Interface
  • Low Pipeline Flow-by Rates
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Mt Hayes LNG Peak Shaving Facility