ASSESSMENT OF TOXIC AND FLAMMABLE GAS FORMATION IN SEWER SYSTEM OF A CITY

Several numbers of accidents has occurred while performing a job inside sewage manholes and pit many of them are fatal accidents this is due to lack of basic awareness of worker working in confined space are and dealing toxic as well as flammable gases present inside the sewer system. This paper deals with various hazards related to working in sewer system and tells us about what are the safety precautions that need to be taken before entering the sewer system so as to reduce the number of death of sewage cleaning workers.