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scavenging were reported across the country in 2017 alone, according to a reply given by the Ministry of Social Justice and Empowerment to the Lok Sabha in December last year.

Schematic illustration of experimental design.

      Many cities across the world are facing drainage system problems. Implementing this proposed system can put an end to manual scavenging and the deaths of many manual scavengers. Such a system can enhance cleanliness and reduce the number of people who get sick from sewage exposure.

      The proposed system is used to detect gas leakage and cracks with the help of IOT sensors such as Arduino Uno sensor, Raspberry Pi3. Sewer gas is detected with the help of a gas sensor. An alert is given to the control room when the normal threshold level is exceeded. The proposed Tristate pattern can be used to train the sensor datas and find the risk level of the gas. A vibration sensor attached to Raspberry Pi3 can be used to detect crack and take immediate remedies.

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