Case Study:
42″ Water Pipeline Cleaning

42″ Water Pipeline Cleaning

Air Pigging Technology Commissioned for UK Aqueduct Project

iNPIPE PRODUCTS™ was commissioned to provide comprehensive pipeline pigging / cleaning services to a prominent civil construction firm, acting on behalf of a major client within the UK utility sector

Following a detailed review of project specifications and extensive consultation with the client, iNPIPE PRODUCTS™ executed a turnkey air pigging solution encompassing:

  • Project management and engineering oversight
  • Development of pigging procedures and risk assessments
  • Manufacturing of bespoke pipeline cleaning pigs equipped with advanced tracking and internal camera recording capabilities
  • Provision of temporary launchers and receivers to facilitate seamless equipment
  • Supply of cutting-edge air pigging equipment

Due to the build up of manganese powder accumulated within the aged aqueduct, it became necessary to clean the pipeline. Air-propelled, tractable foam cleaning pigs were utilised to remove the sediment inside the pipe, ensuring the provision of cleaner, wholesome water for the area. The 17.5-kilometer-long, 42-inch diameter water pipeline was divided into six smaller 2 to 3-kilometer sections to manage water and air displacement. Each section was drained prior to equipment installation and pigging operations.

The project required iNPIPE PRODUCTS™ to develop a specific foam cleaning pig that would remove debris from the pipe wall without damaging the internal lining or coating of the pipeline. Quality assurance was paramount throughout the operation.

To verify the cleanliness of the pipeline in real-time, a sophisticated camera pig equipped with video recording capabilities was deployed, providing the client with unequivocal confirmation of the pipeline's condition post cleaning.

In addition to manufacturing bespoke cleaning equipment, iNPIPE PRODUCTS™ provided a comprehensive air pigging equipment spread, including air compressors, manifolds, and silencers. Launcher and receiver pods were particularly designed and fabricated to seamlessly integrate with the cleaning process.

To ensure thorough pipeline cleaning, a series of specialised cleaning pigs were employed in succession, forming a pig train. The cleaning process began with a brush foam pig, accompanied by a 10m³ water slug, followed by a criss-cross foam pig propelled with air. Subsequently, a camera pig was utilized to meticulously verify the pipeline's cleanliness. Each pig was equipped with a transmitter for efficient pig tracking.

Operational execution was carefully managed, with a dedicated onsite operations team, including the project manager, site supervisors, and pigging operators, overseeing every aspect of the operation.

Mobilisation of personnel and equipment was executed promptly as per schedule, with meticulous coordination between our team, the client, and the asset owner.

Air Pigging Project Benefits

  • Air pigging is a safe, efficient and environmentally friendly method to clean water pipelines offering significant benefits compared to traditional methods
  • Considerable reduction in carbon emissions, costs, time, environmental impact, fuel, traffic congestion and noise as well as supporting road safety
  • The system significantly reduces water consumption from traditional water jetting together with a comparable reduction in the amount of contaminated water needed to be disposed of
  • Sustainably cleaning method of pipelines with air rather than water, minimal water wastage and minimum disruption to the environment
  • Camera-Integrated Pig provides visual cleaning result verification in real time

Saved 1,104 tanker journeys

Saved 15 million litres of water

Saved 118.2 tonnes of CO2 across the whole project

Pigging Products and Services Association
BSi Logo
ISO9001 Quality Management certificate
ISO14001 Environmental Management Certificate
ISO45001 Health & Safety Management Certificate
ROSPA 2024 Gold Medal Award
Achilles Oil and Gas Europe Gold Award
North East England Chamber of Commerce
Constructionline Gold Member
SEQual member
European Desalination Society Member
International Desalination and Reuse Association (IDRA)

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