• Accidental Release From Liquid Hydrocarbon Pipeline

    Accidental Release From Liquid Hydrocarbon Pipeline Introduction The Pipeline Toolbox is home to many tools and calculators. The PLTB User’s Guide presents information, guidelines and procedures for use during design, construction, operations and integrity tasks for field or office applications. Although transmission pipelines are generally considered the safest and most…

  • Live Load: Cooper E-80 Railroad Load on Buried PE Pipe

    Live Load: Cooper E-80 Railroad Load on Buried PE Pipe This calculation based on normal RR loading and analyzed for depths of cover from 6 to 14 feet. The calculation only accounts for up to 80,000 lb/ft railway load, with impact factor. Dead/Earth Load A. Prism Load 𝑃𝑝 = 𝑀𝐻 𝑃𝑝 = Vertical…

  • Live Load: Distributed Surface Load on Buried PE Pipe – Unpaved Road Only

    Live Load: Distributed Surface Load on Buried PE Pipe – Unpaved Road Only This calculation determines the deflection or structural damage to the repeated load application not over buried pipe i.e. parallel. However, it does not take into account concentrated heavy loading, inadequate cover, or unstable soils. Dead/Earth Load A….

  • Live Load: Multiple Wheel Not Over Buried PE Pipe – Concentrated Point Load

    Live Load: Multiple Wheel Not Over Buried PE Pipe – Concentrated Point Load This calculation determines the deflection or structural damage to the repeated load application not over buried pipe i.e. parallel. However, it does not take into account concentrated heavy loading, inadequate cover, or unstable soils. Dead/Earth Load A….

  • Live Load: Multiple Wheel Over Buried PE Pipe – Concentrated Point Load

    Live Load: Multiple Wheel Over Buried PE Pipe – Concentrated Point Load This calculation determines the deflection or structural damage to the repeated load application not over buried pipe i.e. parallel. However, it does not take into account concentrated heavy loading, inadequate cover, or unstable soils. Dead/Earth Load A. Prism…

  • Live Load: Single Wheel Over Buried PE Pipe – Concentrated Point Load

    Live Load: Single Wheel Over Buried PE Pipe – Concentrated Point Load This calculation determines the deflection or structural damage to the repeated load application on buried PE pipes with adequate soil cover subjected to concentrated point multiple wheel loads. However, it does not take into account concentrated heavy loading,…

  • Live Load: AASHTO H20 Load on Buried PE Pipe – Unpaved or Flexible Pavement

    Live Load: AASHTO H20 Load on Buried PE Pipe – Unpaved or Flexible Pavement This calculation determines the rating that can support vehicle loading up to AASHTO H-20 of 32,000 lbs per axle or 16,000 per wheel. This calculation does not take into account roads with a crushed aggregate material…

  • Live Load: AASHTO H20 Load on Buried PE Pipe – 12′ Thick Pavement

    Live Load: AASHTO H20 Load on Buried PE Pipe – 12′ Thick Pavement This calculation determines the rating that can support vehicle loading up to AASHTO H-20 of 32,000 lbs per axle or 16,000 per wheel. This calculation may be limited for loaded vehicles that exceed the ratings such as…

  • Aircraft Load on Buried PE Pipe

    Aircraft Load on Buried PE Pipe This calculation applies to 180,000 lb. dual tandem gear assembly with 26 in spacing between tires and 66 in center to center with 12″ rigid pavement. This calculation may be limited for heavier or larger aircraft such as military type. Dead/Earth Load A. Prism…

  • Distributed Static Surcharge Load: Not Directly Beneath a Surcharge Load

    Distributed Static Surcharge Load: Not Directly Beneath a Surcharge Load Similar approach to directly below, the active earth force is calculated due to simultaneous effect of both the soil weight and the surcharge of strip load over the pipe to determine earth pressures. Dead/Earth Load A.Β  Prism Load 𝑃𝑝 = 𝑀𝐻…