Gas Distribution and Transmission

NV5 provides a variety of services related to the engineering and design of Gas Distribution and Transmission systems. Our capabilities are tailored to support a wide range of Utility programs and projects, such as Transmission and Distribution Integrity Management Programs (TIMP & DIMP), Gas Infrastructure Protection Program (GIPP), Franchise relocations, Capital Improvements, Distribution Planning/System Improvement, System Protection, New Business, and Operations & Maintenance projects.

Key Services

  • Feasibility Studies: Route/Site Selection
  • Pipeline Design
    • Pipe Stress Analysis
    • MAOP/MOP Calculations
    • Class Location Determination
    • High Consequence Area and Identified Site Analysis
  • Pipeline Design Drawings
    • Horizontal and Vertical Design
    • Preparation of Alignment Sheets
    • Trenchless Methods Design and Calculations (HDD & Jack & Bore)
    • Isometric & Fabrication Drawings
  • Hydro/Pneumatic Pressure Test Calculations
  • Pipe Span Calculations
  • Pipeline Design for Bridge Attachments
  • Medium Pressure Gas Distribution Design (steel and polyethylene gas main and services)
  • Regulator/Meter Station Design
  • Pressure Limiting Station Design
  • Project Controls
  • Pipeline Controls/SCADA Design, Automation
  • ILI Facility Design
    • Permanent and Temporary Launching and Receiving Station
    • Main Line Valve and Pipeline Feature Retro-fits
    • Site Development
  • Gas Control Plans
  • Feature Studies
  • Cathodic Protection
  • Bill of Materials
  • Right-of-Way/Encroachment Permitting Coordination
  • Support of Stakeholder Outreach
  • Construction Schedules
  • Cost Estimates
  • Contract Administration
  • Traffic Control Plans/ Traffic Engineering
  • Federal, State and Local Agency Permitting
  • Land Acquisition
  • Project Management
  • Utility Coordination
  • Project Controls
  • MAOP Validation