Understanding the Pipeline Construction Process from Beginning to Advance06 November 2020
Pipelines play a vital role in communities and industries. They are typically responsible for the transport of water and sewage from one place to another, ensuring that properties possess an adequate supply of clean water while flushing out wastewater.
Pipeline networks, which are composed of numerous interconnected pipelines, are typically laid underground. And so, their construction process can be delicate. But as long as they do not obstruct any properties along the way, these pipelines are assured to function the way they are intended to do.
The basic pipeline construction process is comprised of the following steps:
Finalise Detailed Map
One thing that must be prepared and finalised before a pipeline can be installed and laid would be the detailed map. This specific map will show the area where the pipeline is going to pass and its surrounding elements. Roads and streets will be most likely visible on this map. Additionally, the map will also show old and current pipelines, sewer lines, and telephone lines that are around the pipeline’s installation site.
Indicate the Centre Line
Once the detailed map is finalised, it would be the best time to mark and set out the centre line. Some markers such as pegs or stakes will be placed every 30 metres to indicate the centre line. If there are curvatures along the pipeline, then the distance of the markers will be retained from 5 to 15 metres in its diagram. As for streets with curbs, the pipe’s centre line will be calculated from the curb.
Excavate Some Trenches
The excavation of trenches will commence once the centre line of the pipeline has been clearly marked. A trench would normally have a width of around 30 to 45 centimetres, which is intended to be wider than the pipe’s diameter. Alternatively, a trench with a width of 15 to 30 centimetres is set on areas where the joints are located. The depth of these trenches is normally kept at about 90 centimetres below the ground level, allowing the pipes to not break or get destroyed easily by the weight and pressure above it.
Lower and Lay the Pipes
After the trenches have been excavated, the next step would revolve around the lowering and jointing of pipes. To make everything easier, the pipes must be placed on the opposing side of the trench. Moreover, the lowering and laying of the pipes must be done on the lower level first. As the pipes are lowered, their socketed end must be facing towards the higher side for easier assembly of the network.
Conduct Necessary Tests
Testing for leakage and pressure once the pipelines are installed on the site must be done right away. These tests can help determine the efficiency of the pipes and subsequently point out any underlying issues that would need immediate attention before letting any products to go through them.
Clean the Pipeline Site
Covering the site where the pipelines are installed must be done so that the place will be pleasant to look at. All the soil that has been removed from the excavation process earlier can now be used to fill and cover the trenches. Any extra or surplus soil materials are then transported away from the site. The whole area will then be cleaned to maintain its appearance. For more information about the pipeline construction process, you can contact us at Fairdinkum Technical Services.
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