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Open-Cut Pipelines

Open-cut pipeline installation, also known as traditional pipeline installation, involves excavating a trench along the route where the pipeline is to be installed. This method is typically used for the installation of large diameter pipelines, such as those used for water, gas, or oil transmission. The process of open-cut pipeline installation typically involves the following steps:


The route of the pipeline is surveyed and mapped out, and the necessary permits and approvals are obtained from relevant authorities. The pipeline design is then finalized, taking into account factors such as the type of material to be used, the diameter and thickness of the pipeline, and the expected flow rate.


A trench is excavated along the route of the pipeline, using heavy equipment such as excavators and bulldozers. The size of the trench will depend on the diameter and depth of the pipeline and can range from a few feet to several feet deep.


The bottom of the trench is levelled and compacted to provide a stable base for the pipeline. Any rocks, debris, or other obstacles that may interfere with the installation process are removed.


The pipeline sections are lowered into the trench using cranes or other lifting equipment. The sections are then aligned and connected together using various methods, such as welding, flanges, or couplings. Once the pipeline is fully connected, it is tested for leaks and other defects.


The trench is then backfilled with soil or other material, using compaction equipment to ensure a solid, stable base for the pipeline. The backfill is typically done in layers, with each layer being compacted before the next layer is added.


Once the backfill is complete, the surface of the ground is restored to its original condition. This may involve planting grass or other vegetation or installing pavement or other surface materials. While open-cut pipeline installation is a tried-and-tested method, it can be disruptive and time-consuming, especially in urban areas where the excavation may disrupt traffic or other infrastructure.

Alternative methods, such as trenchless pipeline installation, may be preferred in certain situations where minimizing disruption is a priority.

Requirement New Underground Service Installation
Specialist Service Offering Open-Cut Pipelines
Miscellaneous Civil Works
Foul Sewer / Stormwater / Sleeve
Water / Gas
Size Limitations Unlimited

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