Safety Considerations for Natural Gas Pipeline ...
Transcript of Safety Considerations for Natural Gas Pipeline ...
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Safety Considerations for Natural Gas Pipeline Construction, Operation, and Maintenance
Brian Gardner, Operations Manager &Cameron Bingham, Construction Manager
Garfield County Energy Advisory Board Meeting March 2nd, 2017
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Pipelines in Garfield County
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Summit Midstream Pipelines in Garfield County
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Who is Summit Midstream in Garfield County?
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Holmes Mesa Compressor Station
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Valve Yard and Pigging Stations
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Pipeline 101- Why do we need pipelines?
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Pipeline 101 – How Does the Pipeline Network Work?
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Pipeline Regulation
• Department of Homeland Security
• Office of Pipeline Safety
• Pipeline and Hazardous Materials Safety Administration (PHMSA)
• Federal Energy Regulatory Commission (FERC)
• Occupational Safety and Health Administration (OSHA)
• Environmental Protection Agency (EPA
• Bureau of Land Management (BLM)
• US Forest Service
• Colorado Oil and Gas Conservation Commission (COGCC)
• Colorado Department of Public Health and Environment (CDPHE)
• Colorado Public Utility Commission (CPUC)
• Colorado Department of Transportation (CDOT)
• County Requirements
• Town or City Requirements
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Pipeline Process Summary
• Identify need for pipeline
• Route Selection & Site Review
• Land, Permitting & Surveying
• Environmental Survey & Impact Studies
• Design & Engineering
• Material Selection
• Inspection & Contractor Selection
• Procedure Selection
• Risk Assessments & Safety Requirements
• Project Walk Through & Onsite Reviews
• Notifications
• Construction Starts
• Stormwater Controls, Traffic Controls, Land Owner Controls
• Project Oversight & Compliance
• Pipeline Integrity (material handling, line locating, potholing, x-ray, as-built surveys, cathodic protection)
• Reclamation & Revegetation
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Need for Pipeline
• Production or new development
• Integrity of existing pipelines
• Upsizing due to volume requirements
• Changes in the industry
• Route Selection & Site Review
• Land, Permitting & Surveying
• Environmental Survey & Impact Studies
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Typical Right of Way (ROW)
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Design & Engineering
• Design Factors
• Class & Location designation (rural, residential, commercial, road crossings, etc.)
• Size, type, wall thickness, grade, coating, etc.
• Specified Minimum Yield Strength (SMYS)
• Crossings, waterways, highways, etc.
• Maximum Allowable Operating Pressure (MAOP)
• Design MAOP and Actual MAOP
• Elevation & Elevation Change
• Pressure Test Requirements
• Material
• Fittings & valves – designed to meet or exceed MAOP of proposed pipeline
• Pipe – API 5L, PSL2, ERW, Fusion Bond Epoxy (FBE), Abrasion Resistant Overcoating (ARO)
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Material Requirements
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High Quality Fusion Bond Coating
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Pipe Inspection Prior to Use
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Inspection and Contractor Selection
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811
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Locating & Clearing
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Locating & Clearing
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Locating & Clearing
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• 49 CFR 192 – Transportation of Natural and Other Gas by Pipeline
• American Petroleum Institute (API)
• API Standard 1104 – Pipeline
• Twenty-First Edition, September 2013
• American Society of Mechanical Engineers (ASME)
• ASME B31.3 – Process Piping
• ASME B31.4 – Pipeline Transportation Systems for Liquids and Slurries
• ASME B31.8 – Gas Transmission and Distribution Piping Systems
• Summit Welding Manual & Welding Procedures
• Welder Testing & Qualifications
• Non-destructive Testing (NDT)
• Summit requires 100% x-ray on all pipeline welds
• Industry Standard is 10%
Welding Procedures
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Welding Process
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Welding Process
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Coat the pipe to prevent corrosion
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How welds are taped and primed
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Cathodic Protection Inspection
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Ditch Care
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Pipe padded with pad dirt - No rocks on pipe
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Trench Breakers
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Rocks….
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Safety
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Safety
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ROW Reclamation and Revegetation
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Cathodic Protection- Summit has 11 in Garco
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Corrosion Control
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No Cathodic Protection….
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How to test Cathodic Protection on a Pipeline
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How To Test Cathodic Protection on a Pipeline
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Pigging
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Pigging
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Pigging
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Pipeline Locator
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Marks and flags
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Pipeline Marker
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Pipeline Patrol- Aerial and Visual
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Protect MAOP- (Maximum Allowable Operating Pressure) – Relief Valves
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Protect MAOP-Summit Operations Control Center