The Metro is the lifeline of every big city in the country. This creates an n-number of opportunities and helps the city to fight the growing global issue of traffic jams. So, whether you are an engineer or someone curious, you’ve come to the right place.
Constructing an underground metro requires a lot of patience and planning. Sometimes it takes several years to completely build a whole underground metro network with several stations and metro tracks. But, after the construction, it creates many opportunities for the city’s economy.
First, two metro types help connect every city corner, like Underground and elevated metro stations. So today, we will go through the topic of constructing underground metro stations.
This requires a lot of steps that we will encounter in this blog below, so let’s go immediately and get right into the details of constructing an engineering marvel of an underground metro station.
Planning and Site Investigation
The investigation examines all the geological and hydrological aspects of the site and the area covering it. This is done to ensure that it can handle all the station’s pressure. Consequently, this will ensure no risk of water flooding or seepage from the land.
The investigation process gets crucial at first, as it is sure that after the construction, the station can never be shifted or reconstructed, so it’s important to ensure every aspect of safety before using any construction machine.
Tunnelling and Excavation phase
After the site inspection, the construction team is responsible for determining all the further steps to start the tunnelling and excavating method.
This step involves huge construction machines digging into the ground to create space under the ground for the stations. For this, you can consider the backhoe loader like JCB 3DX. Also, the list gets you to the position of completing the tasks with full efficiency and under budget over the pockets.
Some of the heavy construction equipment that comes into the help are tunnel boring machines, backhoe loaders, and another method is the blast method. As all of these methods are expensive, you can consider a backhoe loader like that gets your job done.
As long as excavations keep going, the soil from the process is out of the site to create a safe space for the workers.
Another method that comes into this step is the tunnelling method. This is one of the hardest steps to take, as it creates a path connecting to the other parts of the metro network. Some special construction equipment comes with other uses for tunnelling methods.
After this, concrete and steel bars make the tunnels safe for the future. For better ventilation for workers, installing a ventilation system comes into help.
Construction of the station
Now comes the next step, that’s constructing the station. After the excavation process, workers receive all briefings for the further construction process of the station. This includes the construction of walls, ceilings, and flooring with electrical, plumbing, and ventilation systems.
Firstly, the station’s walls, ceilings and floors come into construction with concrete to make them safe and strong. Next, several flooring marbles and tiles make the flooring beautiful and tidy.
Afterwards, the ventilation, electrical and plumbing system comes into the installation. So, the passengers can stay inside the station with the proper airflow and lights to make everything visible underground.
In addition, components like proper signage, lighting and seats add up to give the passengers extra comfort and convenience.
Installation of electronic systems and equipment
This phase includes installing essential systems for the Metro and some equipment for the convenience of the passengers.
First, come to the escalators and elevators at the stations. This equipment’s installation makes it a hassle-free experience for passengers carrying heavy luggage. For convenience in buying tickets, the station gets ticket vending machines.
In addition, for the safety of passengers, there’s an installation of a CCTV system. This includes installations of cameras, metal detectors and CCTV rooms to monitor every corner of the station constantly. Of course, this requires a seamless connection, so there’s also an internet connection installation.
Safety Measures and Regulations
While constructing an underground metro station, engineers conduct a test to make sure everything works fine and is safe for use.
For this, the step is to check every electronic system of the stations. This includes escalators, elevators, ventilation systems, lighting, metal detectors, CCTV cameras, mic with displays, and many more.
In addition, there is also a test run of the metro train from the station. Along with this, higher authorities process several permits and certifications from concerned departments to ensure the safety of the station and its surrounding.
After this, the stations get ready for the daily use of the public. Also, regular maintenance and check-ups are always in process to ensure any issues before bigger problems.
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In conclusion, constructing an underground station is a critical task. There are a lot of steps that are taken into focus before, to ensure the safety of the workers and the public in future. Steps like planning and construction come as the first step as it looks over every aspect of the environment’s safety and gives engineers a thought of whether it is safe to construct the station.
Another important point is to carefully work over every construction step to create a station that will stand alone for many years. For example, some construction steps involve designing, excavating, installing equipment and devices and testing.
At last, the construction of the metro station allows the city to discover new opportunities. In turn, it also helps the city solve the biggest issue of traffic jams.