pipeline condition Articles

  • Model and experimental analysis of the dynamic behaviour of air conditioning plant pipelines

    This paper presents a model to describe the transmission of vibrations through the pipelines of automotive air conditioning plants. It is known that vibration propagating from the compressor to the other system components can affect both acoustical and structural behaviour. In this study a frequency domain description is purposed, using a transfer matrix formulation to study the pipe dynamics. ...


    By Inderscience Publishers

  • Case study - Trinity River Authority verifies condition of C303 Pipeline

    Service: Assess and Address Client: Trinity River Authority of Texas Project Date: November 2012 - ongoing Location: Trinity River, TX Type of Pipeline: Water Transmission Main Diameter: 30-inch (750mm) and 54-inch (1350mm) Pipe Material: ...


    By Pure Technologies

  • Gas pipeline case study

    Spectra Energy, an S&P 500 company, transmits and stores natural gas, operating one of the largest pipeline systems in the United States. They commissioned Vose to assist them in assessing the project schedule and cost risks for a new $500M+ liquid natural gas pipeline. Vose provided training for their risk analysis team in quantitative risk analysis techniques, harmonizing their various ...


    By Vose Software

  • Restoration for Pipeline contractors

    Restoring land to its original state is the last part of a job and reaching jobsites in need of reclamation has a reputation of being problematic. However, this important step is made easy with crawler carriers that are customized with hydro-seeders. Due to the flotation from its rubber tracks, a crawler carrier will leave a minimal footprint, while the hydroseeder attachment allows users to ...


    By FINN Corporation

  • Case Study - Pipeline Subsidence

    Looking for sinkholes Pyramid Environmental recently performed a geophysical investigation for the National Park Service at Carlsbad Caverns National Park in Carlsbad, NM. The survey used electrical resistivity mapping (ER) to look for potential underground caves or caverns near an area designated for the construction of an underground utility line. A 2D resistivity survey ...


    By Advanced Geosciences, Inc.

  • Pipeline safety action plan

    According to Transportation Secretary Ray LaHood, more than 2.5 million miles of pipelines are responsible for delivering oil and gas to communities and businesses across the United States. Much of the pipeline network is old and in a state of disrepair. The Obama Administration launched on April 4, 2011, a national pipeline safety initiative to repair and replace aging pipelines to prevent ...


    By Bergeson & Campbell, P.C.

  • Underground, underwater, under stress: Town of Longboat Key puts SmartBall tool to unusual pipeline condition test

    When much of your critical sewer pipeline lies buried under a bay of shimmering ocean water, the challenges required to assess its condition may seem daunting. That task faced the Town of Longboat Key, an affluent retirement community located on the barrier island of the same name off the west coast of Florida. Sensitive to environmental, health and safety issues, ...


    By Pure Technologies

  • Case study - The City of Calgary completes successful condition assessment and verification on C303 Pipeline

    Service: PureRobotics Client: City of Calgary Project Date: May 2013 - ongoing Location: Calgary, AB Type of Pipeline: Water Transmission Main Diameter: 30-inch (750mm) Pipe Material: Bar-Wrapped ...


    By Pure Technologies

  • Debunking Murphy`s Law - Utilities address conditions to reduce risk of failure in aging metallic pipelines

    According to an adapted Murphy's Law, "anything that can fail, will fail." While that universal engineering law has been proven true again and again, many utilities are working diligently to reduce the risk of failure by taking measures to improve the service life of their aging ...


    By Pure Technologies

  • Field Performance Testing for Pipeline Pumps

    Significant energy savings can be achieved by optimizing pump operating efficiency. Measuring the exact pump performance with crude oil under realistic conditions in the field is the first step towards improving the pump efficiency in the future. About 20 billion barrels of crude oil were transported through pipelines in 2015. Around the world, there are over one million kilometers of ...


    By Sulzer Management Ltd

  • Pipeline Zooming for a Comprehensive Infrastructure Survey.

    Time, budget and resources often keep a municipality from maintaining comprehensive, up-to-date information on water and sewer pipeline conditions. Without a complete understanding of their infrastructures, municipal supervisors cannot properly prioritize and schedule maintenance activities. As a result, emergencies—backups, collapses, and overflows—happen unexpectedly, and must be dealt with on ...


    By Envirosight LLC

  • Streamlining Pipeline Data Collection with DVSS

    Streamlining Pipeline Data Collection Information with Digital Visual Sidewall Scanning (DVSS) Since the advent of miniature cameras, engineers, contractors and public works officials have used them to assess pipeline conditions and troubleshoot problems. Over the years, new delivery mechanisms have emerged to carry cameras deeper and deeper into lines, while capturing increasingly ...


    By Envirosight LLC

  • Case study - City of Rockville - Robotic Pipeline Inspection

    Service: PureRobotics - Robotic Pipeline Inspection Client: City of Rockville Project Date: July 2010 Type of Pipeline: Water Transmission Main Diameter: 24-inch Pipe Material: PCCP Length: 53,000 feet Results: 3 pipe sections identified at risk Insertion of Pipeline Inspection Robot Pure Technologies (Pure) was contracted to provide robotic pipeline inspection ...


    By Pure Technologies

  • Innovative renewal strategies for optimized pipeline management

    Using risk-based data analysis and innovative renewal strategies, two US water systems show how utilities can avoid full pipeline replacement, reduce service interruptions, and save money. As this informative Opflow article discusses, by more precisely understanding the condition of buried infrastructure, water utilities can more effectively focus resources to prolong safety and increase ...


    By Pure Technologies

  • Case study - LHPWSS Manages Critical Pipeline

    Service: Assess and Address Client: Lake Huron Primary Water Supply System Project Date: October 2012 - March 2013 Location: Greater London Region, ON Type of Pipeline: Water Transmission Main Diameter: 48-inch (1200mm) Pipe Material: PCCP The Lake Huron Primary Water Supply System (LHPWSS) serves about 500,000 people over eight municipalities in the London area and ...


    By Pure Technologies

  • Pipeline Management Lessons: Old Isn’t Always Bad

    Underground pipelines are among the most valuable, yet neglected assets in the public arena. They provide essential services such as the supply of drinking water and collection of wastewater. Despite their critical importance, for decades many municipal utilities have operated under a “bury and forget” mentality – with little emphasis on long-term management of their aging ...


    By Pure Technologies

  • ELECTRONIC WATER TREATMENT REDUCES FOULING AND CORROSION IN PIPELINES

    Increasing pressure loss in the pipeline is often caused by scale corrosion or product fouling of the internal surfaces. This condition slows transmission and distribution capacity, and can require more than just routine maintenance if it remains unaddressed. Interior corrosion, fouling and leakage in pipeline systems will adversely impact bottom-line operations. ...

  • Advanced criticality assessment method for sewer pipeline assets

    For effective management of water and wastewater infrastructure, the United States Environmental Protection Agency (US-EPA) has long emphasized the significant role of risk in prioritizing and optimizing asset management decisions. High risk assets are defined as assets with a high probability of failure (e.g. soon to fail, old, poor condition) and high consequences of failure (e.g. ...


    By IWA Publishing

  • Clay Lumps under Simulated Hydraulic Transport Conditions

    Laboratory experiments with compacted kaolinite-bentonite mixtures indicate that degradation of hydraulically transported clay lumps in a dredge pipeline can be predicted and controlled to some extent. The size reduction of these lumps depends not only on the length of the pipeline but also on the density of the clay being dredged, the plasticity index (PI) of the clay, and the velocity of the ...


    By ASTM International

  • Innovative approach to unforeseen site conditions – case study

    The Crater Resources Quarry 3 Remediation site was a former limestone quarry that was later used as a disposal site for Waste Ammonia Liquor (WAL) generated by the coke making facility at a steel mill. The WAL contained water, ammonia, and small amounts of various hydrocarbons formed during the coking process. Coking operations shut down by the mid 1980's and discharge into the quarry ceased. The ...

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