Civil Engineering Work in Pipeline Installation and Pumping Stations

March 29, 2018

Infrastructural projects can't get far without an accomplished trenching solution. Take pipeline installation, a case that sees highly pressurized mains water pipes and wastewater lines threading their way through vast subterranean land parcels. The tubing is fabricated from ductile iron, from flexible PVC, or from copper or steel. Expertly jointed to a municipal pumping station, the conduits rest on pipe bedding. This is civil engineering work, a field that raises the trenching bar.

Raising the Bar, Lowering the Pipeline

The diameter of the pipeline, cutting across the city's utility network, is the deciding factor this time around. Valves and fittings, tee joints and pressure reducers, they're all in the mix. As such, the diameter of the pipe determines the width of the trench. The selection process may even widen the ground channel, perhaps because the soil conditions are poor. Importantly, the pipeline bedding must be free of rough-edged rocks and hard debris, to the point that the bedding provides continuous support. Furthermore, an experienced excavator operator should be sitting in the vehicle cabin, for these pipes damage easily. Lowered into place by a deft hoist operator, the pipeline sections are prepped for their joint fittings.

The Pumping Station Connection

Here's the second half of the infrastructure design project. Pumping stations reside at the bottom of steep gradients and other topographical features. They work with gravity to overcome the uneven ground in our hypothetical cityscape. At some point, the channel is going to terminate here at a special shaft, perhaps a trench-type wet well. The capacity of that newly constructed landmark, the station building, determines the size of the well, then the civil engineering work turns to the architecture of the pump intakes. Filters and concrete pits, pump intake ditches and maintenance access, all of these considerations receive attention during the boring operation. And the work's still not done just yet. There's side fill to compact, marker strips and overlay to deposit, and a mind-numbing list of scheduled activities to finish. Civil engineering work brings major challenges to this field, but the Metropits team are more than ready to handle such projects.

Of those numerous activities, the non-tooled ones represent the heaviest burden. There's cable tracing to take care of before the excavators arrive. Is the soil loaded with dissimilar materials or corrosive elements? If so, zinc anodes and pipe jacketing may be on the cards. Finally, where are these pumping stations? Imagine one located in the heart of a built-up neighbourhood. Under road and under paving boring services need to be dispatched when these conditions obstruct pipeline installation.

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