2016 06 06 Bulk CNG IAFC Hazmat Conference Handoutevents.iafc.org/files/3Haz2016/204_HighwayCargoTanksforBulkCNG.pdf · 2016 IAFC HAZMAT CONFERENCE -Bulk Compressed Natural Gas Emergencies

2016 IAFC HAZMAT CONFERENCE - Bulk Compressed Natural Gas Emergencies

Chris Christopoulos, Jr. 1

INTRODUCTION ‐ 1

Portable - Pipelines

Chris Christopoulos, Jr.Lebanon Fire DepartmentLebanon, NH

Responding to Bulk Compressed Natural Gas Emergencies

INTRODUCTION ‐ 2


Bio – Chris Christopoulos, Jr.

Chris Christopoulos, Jr. is a 34 year veteran of fire service and is currently the Fire Chief and Emergency Management Director for the City of Lebanon, New Hampshire. Chris chairs the Hanover-Lebanon Local Emergency Planning Committee, Regional Hazardous Materials Response Team, and represents the New Hampshire Fire Chiefs on the Governor’s Advisory Council on Preparedness and Security. Chris is the author of a white paper, Portable Pipelines for Emergency Responders (www.portable-pipelines.com), and has delivered training on portable pipelines and bulk highway cargo tank transportation for over 1000 emergency responders throughout the United States.

Chris is a graduate of Mount Wachusett Community College in Garner, MA with an Associates of Fire Science, Granite State College in Concord, NH with a Bachelor’s of Science in Emergency Services Management, and the Naval Post Graduate School, Center for Homeland Defense and Security in Monterey, CA with a Master of Arts in Security Studies.

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INTRODUCTION



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Course Objectives Given a scenario / P-P container the responder shall identify the container using the

Container Awareness Card:

Container Type

Name / Class

Identify the materials it could be carrying

Identify hazard class found in the container

Capacity weight / volume / pressure

Given a scenario / container the responder shall identify the Portable Pipeline container:

Markings on the container

Operating valves / mechanisms

Emergency valve, shutoffs or pressure relief devices on the container

Methods for determining the pressure in the containers

The amount of lading remaining in damaged containers (if possible)

INTRODUCTION ‐ 5


Course Objectives

Given a scenario / P-P container the responder shall be able to notify the appropriate owner of the Portable Pipeline container.

Given a scenario the responder shall identify the components and safety features of a CNG Bulk Compression Station (Mother Station).

Given a scenario the responder shall identify the components and safety features of a CNG Bulk Decompression Station (Daughter Station).

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Portable Pipeline

Sometimes called a Virtual Pipeline, is method for supplying natural gas to areas not serviced by a traditional pipeline.



INTRODUCTION ‐ 7


Supply

StorageDecompression

CNG Portable Pipeline

Compression Transport

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Portable Pipeline - Advantages

Why use a portable pipeline?

Abundance

Low Cost

General – 30-40%

High Horsepower – 50-70%

Reduced CO2 Emissions

18% less than propane

38% less than fuel oil

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Portable Pipeline Applications- Hospital



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Portable Pipeline - Industrial

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Portable Pipeline - Industrial

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Portable Pipeline – High Horsepower Equipment



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Portable Pipeline – Small Retail

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Components of a

Portable Pipeline

INTRODUCTION ‐ 15


StorageDecompression

CNG Portable Pipeline

Supply Compression Transport



INTRODUCTION ‐ 16


Supply

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Compression Station

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Compression Station



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Northeast Bulk CNG Compressor Stations

Baileyville, Maine (active)

Bangor, ME (active)

Eliot, Maine (active)

Milton, Vermont (active)

Pembroke, NH (active)

Manheim, NY (active)

Concord, NH (not active)

Worcester, MA (not active)

Montoursville, PA (not active)

Concord, NH (not active)

INTRODUCTION ‐ 20


CNG – Highway Cargo Tanks

Type I Cylinder Trailer

Type II Cylinder Trailer

Type III Cylinder Trailer/Module

Type IV Cylinder Trailer/Module

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Bulk CNG End User Sites



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Northeast CNG End User Sites

1st End User sites

March 2013 – Putney, VT (NGA)

May 2013 – Presque isle, me (XNG)

11

710

1

32

2

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CNG Decompression – Daughter Station

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High Temperature Glycol Heater



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Natural Gas Heater

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Type I & Type II Cylinder Trailer

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CNG - Type I Tube Trailer

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High Pressure Steel Cylinders

Tubes are 22 inches in diameter and 36 feet long

Normal Operating Pressure 2,400 to 3,299 psi

Wall thickness between .510 and .647 inches

Capacity 179,221 Standard cubic feet (8 tube configuration)



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Pressure relief devices are located at the front of the trailer on each cylinder.

PRD’s have a burst disc that will rupture 5/3 of maximum working pressure –approximately 4,589 psi

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CNG – Type II Cylinder Trailer



INTRODUCTION ‐ 37



Cylinder has a wall thickness of .401 inches.

Capacity

10 tube = 257,225 standard cubic feet (80,000 # GVW)

12 tube = 333,489 standard cubic feet (100,000 # GVW)

Operating Pressure 3,600 PSI

INTRODUCTION ‐ 38



Pressure relief devices are located at the front of the trailer on each cylinder.

PRD’s have a burst disc that will rupture 5/3 of maximum working pressure – approximately 6,012 psi

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Type III Cylinder Trailer

INTRODUCTION ‐ 41


CNG – Type III Cylinder Trailer

INTRODUCTION ‐ 42



Aluminum Cylinder wound with Carbon Fiber

POD’s contain 30 Cylinders

5 POD’s per trailer = 150 cylinders

POD’s are connected to a main trailer manifold

Total Capacity 440,700 standard cubic feet

Cylinders 14” diameter x 9’ long

Normal Operating Pressure 3600 psi @ 59°F

Maximum Working Pressure 3,600 to 7,500 psi

Hydro testing every 5 years

Service Life 15 years



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Rear View – Open Doors

Rear View – Closed Doors

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Main Manifold



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Pressure Relief Device – Burst Disk

Pressure Relief Device – Vents

PRD’s activate at 5/3 MAWP (6,012 psi)PRD’s Vent into the frame of the POD

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Type IV Cylinder Module

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CNG – Type IV Cylinder Module

High Density Polyethylene Liner wrapped in an epoxy carbon fiber outer shell

INTRODUCTION ‐ 51


CNG – Type IV Cylinder Module

Hexagon Lincoln TITAN™ Module

4 cylinders – 42.5” in diameter x 38.5’ long

Normal Operating Pressure –3,600 psi @ 59°F

Module Capacity 355,440 standard cubic feet

8,938 Gallon Water Capacity

Must always maintain minimum of 100 psi

Hexagon Lincoln TITAN™ Module

Hydro testing every 5 years

Service Life of 15 years (extendable to 30 years)

Equipped with an “Emergency Thermal Venting System”

Pressure Relief Valve

Burst Disks

140 in United States – 470 Worldwide



INTRODUCTION ‐ 52


CNG – TITAN™ Module

TITAN™ Module Mounted on Flatbed without side panels

INTRODUCTION ‐ 53



TITAN™ Module Mounted on Flatbed with side panels

INTRODUCTION ‐ 54



Compass Natural Gas Partners - TITAN™ Module panels



INTRODUCTION ‐ 55



Natural Gas Advantage - TITAN™ Module panels

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Xpress Natural Gas TITAN™ Module

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“Fire Protection” System (Emergency Thermal Venting System)

Invented by Erick Girouard, Emcara Development Corp, Canada

Wire “trigger” system – contracts at 226°F

System vents all cylinders simultaneously

45 – 60 minutes for a “full module”



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Location of ETVS Wire

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ETVS System Actuator

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CNG – TITAN™ Module (pre 2014)



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CNG – TITAN™ Module 2015

TITAN™ Bias Actuated Valve

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CNG – TITAN™ EVTS Venting

Cannot be stopped

45 – 60 minutes

¾” Vent Ports

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Rear Burst Disc

4750 psi

Removed as of early 2016



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Burst Disks

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Only active during loading & offloading

Activates at 4500 psi

Reseats at 4200 psi


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Front Flange

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Titan™ 5 Trailer

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Titan™ 5 Trailer

None in currently in service in US

40 ft. 40 ft. Magnum 40 ft. Magnum+

4 – 40 ft. Titan Tanks 4 – 40 ft. Titan Tanks 4 – 40 ft. Titan Tanks

1 – 30 ft. Titan Tank 1 – 30 ft. Titan Tank 1 – 30 ft. Titan Tank

0 TUFFSHELL Tanks 8 TUFFSHELL Tanks 9 TUFFSHELL Tanks

424,513 scf CNG 462,177 scf CNG 466,885 scf CNG

Loaded weight 64,676 lb Loaded weight 69,359 lb Loaded weight 69,960 lb



INTRODUCTION ‐ 70


Titan™ XL

Approx. 525,000 standard cubic feet of CNG

3,600 psi

Venting time = 1 hour

Several in use in Mexico

Expected USDOT Special Permit – fall 2016

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CNG – TITAN™ 1st Responder Challenges No Thermal or Remote Shutdown

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Remote Shut Down - Pneumatic



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Thermal Valve

Only on trailers equipped with the pneumatic remote shut down.

Will also activate if the blue fusible link is subjected to 336°F

This will stop the flow to the main manifold.

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New Hampshire Requirements

New rear view with thermal valve

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Remote Shut Down - Mechanical



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Air Brake Interlock

Not a standard feature

Prohibits trailer movement when rear doors are open

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CNG – TITAN™ Module – XNG Brake Interlock

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Break Away Hose Fittings

Not standard – must be ordered as an add on feature



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Hose Break Protection

XNG

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Hose Break Protection

NGA

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Bonding and Grounding



INTRODUCTION ‐ 82


1st Responder Challenges

CNG – Mother and Daughter Sites

Methane Detectors

25% of LEL

50% of LEL

PPM

No specific Fire Code Requirements

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CNG – End User Site – Plymouth State University

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Flame Detection

Some sites may be equipped with infrared flame detectors



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1st Responder Challenges Remote Master Stream Devices

Some local jurisdictions required the installation of remotely operable master stream devices.

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CNG – TITAN™ 1st Responder Challenges

Identification

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Vents along top of box on both sides

Bureau of International Containers Code

LCIU

Lincoln Composites Incorporated

U – tank type container

1st Numbers – Serial Number

2nd Number (in box) – Check Digit

3rd Numbers/Letters – Container Size

4 = 40 feet long

0 = 8 feet high

T = Tank Container

9 = Minimum Pressure TBD



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CNG – TITAN™ 1st Responder Challenges

Venting

Cannot be stopped

45 – 60 minutes

¾” Vent Ports

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CNG –1st Responder Challenges

XNG Operating CNG Fueled Tractors

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Response Considerations



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Gas Release

Natural Gas is lighter than air

Mercaptan may separate from venting gas and is heavier than air

Venting cylinders can be recognized by high pitched gas release noise

Rapid Decompression can create extremely cold temperatures & static electricity

Use of water to control vapors may freeze vent ports or increase rate of decompression

Control potential ignition sources

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Leak with No Fire Isolate 330 feet in all

directions

Evacuate ½ mile downwind

Leak with Fire Isolate 330 feet in all

directions

Evacuate 1 mile downwind

Isolation and Evacuation – based on ERG Guide 115

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Response Consideration

Up-righting Module

Controlled Venting



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Chris Christopoulos, Jr.

Lebanon Fire Department

(603) 448-8810

[email protected]

www.portable-pipelines.com

www.energyemergencies.com

Documents

2016 06 06 Bulk CNG IAFC Hazmat Conference Handoutevents.iafc.org/files/3Haz2016/204_HighwayCargoTanksforBulkCNG.pdf · 2016 IAFC HAZMAT CONFERENCE -Bulk Compressed Natural Gas Emergencies