Sion residents say pollution from concrete batching plant is making them ill

Residents of three societies from Sion have complained that a ready-mix-concrete (RMC) plant located near their complexes is causing air and noise pollution, leading to several of them falling ill.
An RMC plant is a factory or cement mixing plant where cement mix is made in large quantities, mostly used for construction.
An official from the private RMC plant said the operator had spent nearly Rs70 lakh to meet the Maharashtra Pollution Control Board’s (MPCB) norms. “We put up tin sheds that are more than 10-feet tall and barricaded the periphery of the plant. We installed dust suppression systems. We created a two-level tyre washing technique to reduce dust. Senior MPCB officials visited our plant and gave us consent to operate,” said the official.

Residents of Everard Nagar, Lokmanya Pan Bazaar and Harshad housing societies in Sion have filed repeated complaints with the MPCB over the past two years, demanding that the plant be shut down and relocated. However, no action has been taken against the plant operators.
“Trucks exiting the plant leave behind cement on the roads in front of our buildings. This has led to dust pollution, which has been causing eye irritation, breathing troubles, cough and cold for a lot of residents,” said Saraswathi Sundareswaran, resident of Everard Nagar. “Either the plant should be shut or the trucks need to use an alternative route,” she said, adding 500 residents began a signature campaign to shut the plant but the authorities did not act.
A resident of Lokmanya Pan Bazaar housing society said the process of cement batching and constant movement of trucks had led to high noise levels. “The plant has caused sleepless nights for our children as each time a truck passes through the narrow roads, our walls start to vibrate,” said BS Farale, secretary of the society.
An official from the concrete batching plant manufacturers said the residents had a problem with the trucks using the service road in front of the societies. “The road is also marked on the city’s development plan and can be used by trucks,” he added.
According to MPCB guidelines, RMC plants must create a 100-m buffer zone from residential areas and arterial roads. Most plants do not follow this.
MPCB officials said similar complaints were filed last year by residents and the plant had been given a notice. “After we intervened, the plant was shut down for a few months this year. It installed dust separator, collection systems and complied with all our guidelines,” said the sub-regional officer of the area, MPCB. “The plant has taken the consent of various departments of the civic body and is functioning without causing pollution,” he added.
The land owners, Somaiya Trust, which has a cancer hospital in the same vicinity as the plant also refuted the residents’ allegations. “The RMC plant only uses wet slurry. There is no question of dust emanating from there. It has not caused any issues for any of our patients either,” said V Ranganathan, representative, Somaiya Trust.
What is an RMC plant?
An RMC plant is a factory or horizontal concrete batching plant where cement mix is made in large quantities. From here, the mix is delivered to construction sites in trucks with mixers that keep rotating to prevent it from getting dry. Such a plant can produce 80 to 100 metric cubes of concrete daily.
A 2010-’11 study by the National Environmental Engineering Research Institute (NEERI) on the sources of pollution in Mumbai found that construction activities alone were responsible for a whopping 8% of the city’s pollution.

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How to operate the system console of concrete plant

Before starting the concrete mixing equipment, it needs to check the following eight aspects: whether the limit position switch is normal, whether there is alarm on the computer running interface; concrete mixer to inclined belt, flat belt; began to mix station source air compressor pressure of 0.7MPa pressure, to meet the surrounding; the automatic production concrete switch is forbidden, prohibition of the specific file.

The control system of concrete mixing plant should adjust "manual" to" automatic "; and then open the emergency stop button switch, at this moment, you should control the power supply by manual, PLC and instrument power supply display normal, open the ups, and open computer to check.

The system console emergency stop switch and key switch of concrete batching plant manufacturers should be in off state, and the wiring frame inside the console is in the off state, in the absence of any load condition, the power switch of host machine box should be off, but if it's in load, the power switch is off, the machine cabinet may lead to collapse.

The attentions when the control system of the concrete mixing plant is checked are as follows: the operation of the mixed control system is not skilled, please operate strictly follow the following steps. You should ensure whether the input signal of computer is normal. Open the bottom valve of silo, admixture, and inlet valve. When the pump and inlet valve aggregate storehouse is filled, the host should be empty, the middle position of each object all needs to be carefully checked.

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