Study of noise level in railway stations

957-959To assess the level of noise in stations, a study was conducted in Chennai central, Villupuram and Tiruchirapalli railway junctions of Southern Railway. SVAN 943A (Poland make) instrument was used to record observations at vantage points like important platforms, waiting hall and drivers’ rest room. Equivalent continuous sound level (Leq) near waiting hall on different days was found to be in the range of 52 to 56 dB (A). Average sound pressure level (Lp) in the important platforms and drivers’ rest room was in the range of 52 to 57 dB (A), which exceeds the noise level category of residential zone prescribed by the Central Pollution Control Board