What We Do?

New gas pipeline construction requires an extensive design and approval process to ensure the gas gets where it needs to go while maintaining an efficient, environmentally-friendly route.

The length of the average project means the pipeline will go through a wide range of conditions and environmental differences. As part of the planning phase, engineers determine the best size of pipes for the different areas, as well as the need for specialized coatings on certain sections of the pipeline.

This planning phase is an essential part of the pipeline construction process. It ensures the pipeline gets where it needs to go without impacting the communities or the environment along the route. The intensive planning process also ensures the integrity of the pipeline for increased safety.

Before breaking ground on the pipeline project, a survey crew shows up to mark the construction right-of-way. All of the preliminary route planning starts to become reality in this phase. The survey team surveys and stakes out the construction right-of-way and temporary work spaces to allow for construction activities.

We make a trenching design and handover to the customer and once the design got approved by the civil consultant and process goes to the next stage.

Stringing the pipeline is essentially a dry run of the layout to piece together all the sections of the pipeline. The stringing crew hauls in the pipeline segments using specialized trailers to handle the large sections.This phase may sound simple, but the process requires precision to ensure the pipeline gets installed properly. Not all pipeline sections are the same. The stringing crew refers to the design plans to ensure the correct segments go to the correct location.

Since a gas pipeline route doesn’t only go along flat area, the pipes sometimes need to bend to fit to the appropriate area. This is where the pipe bending crew enters the process. Using a special bending machine in accordance with federal standards, the crew bends certain sections as needed to fit into place. Clamps and hydraulic pressure enable the machine to control the bends for smooth finished results.

The welding crew comes into the construction process at this point to join the pipes into a continuous length. Quality welds are essential in building a safe gas pipeline. Welders must pass a qualification test before being allowed to work on the pipeline project to help ensure the quality and safety of the project.

Every seam goes through a non-destructive inspection process to ensure the weld is perfect. This inspection process typically involves X-rays or ultrasounds to check for issues without affecting the integrity of the weld. When a flaw is found, the welder either fixes it, or the flaw cut out and done again.

JGT takes its commitment to the preservation of pipeline very seriously. We’ve invested heavily in the right tools and equipment needed to prepare the interior and exterior of the pipeline for the heavy-duty epoxy and polyurethane coatings that can be applied to keep a pipeline flowing and functional. Plus, every one of our workers has the right safety certifications and service training for all types of situations to ensure a high-quality pipeline painting and coating job with no delays. Painting of all gas pipeline are been done thru IS standard colour coding.

Installation of valves, regulators, flow meters, pressure gauges and safety relief valves of required sizes are been placed in proper places during the installation of pipeline.

Once the above said equipments placed and completed, proper testing of the same ensure the quality of safety at the site.

Gas cannot enter the newly constructed pipeline until the crew completes comprehensive pressure testing based on IS Standards. The purpose of the testing is to ensure the pipeline can withstand that high pressure of gas travelling through the line.

Hydrostatic testing uses water to test the pipe as per the equipment design pressure. The pipe must withstand that pressure for a prescribed amount of time without leaking typically at least eight hours. The purpose of the testing is to check for leaks and to ensure the pipe is able to withstand the pressure over an extended period of time.

Pressure testing done thru nitrogen gas to test the pipe as per the equipment design pressure. The pipe must withstand that pressure for a prescribed amount of time without leaking typically at least eight hours. The purpose of the testing is to check for leaks and to ensure the pipe is able to withstand the pressure over an extended period of time.

Commissioning is the process of verifying proper operation in the pipeline. The process checks the installation and ensures control and communication systems are in place and functioning properly. Once the pipeline is deemed ready for service, the line is purged of nitrogen and loaded with gas.