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B.S. SPONGE PRIVATE LIMITED Village: Taraimal, Tehsil: Gharghoda, District: Raigarh, (C.G.) REIA Report for the Proposed Mini Integrated Steel Plant Chapter – 3 dBA weighing penalty is added to the account for the fact that noise at night when people are trying to sleep is judged more annoying than the same noise during the day time. The Ldn for a given location in a community is calculated from an hourly equivalent sound level given by the following equation. Ldn =10 log (1/24 [15 (10 (Ld/10) + 9 (10 (Ln+10)/10 )] ) Where Ld is the equivalent noise level during day time (6A .M. to 9 P.M.) Ln is the equivalent noise level during night time (9 P.M. to 6 A.M.) 3.2.2.1 Occupational exposure To assess the magnitude of impact due to noise sources, it is essential to know the following. a. The duration of sound. b. Distribution through the working day. c. Overall noise levels. d. It's composition including frequency and intensity at various intervals of time. Other factors regarding receiver include: a. The age of the individual. b. The sensitivity of the individual. c. The efficiency of the protective devices used. After characterizing the noise sources noise at receiver's location, the impact must be assessed. The environmental impact of noise can lead to the following effects. a. Damages the hearing capacity. b. Interference in communication. c. Interference with work. d. Interference with sleep. e. Causes annoyance. PIONEER ENVIRO 3 - 12 Environmental Impact Assessment Report Laboratories & Consultants Pvt. Ltd.
B.S. SPONGE PRIVATE LIMITED Village: Taraimal, Tehsil: Gharghoda, District: Raigarh, (C.G.) REIA Report for the Proposed Mini Integrated Steel Plant Chapter – 3 3. 2. 3. Noise level observations in the study area Baseline noise levels have been monitored at different locations within the study zone of the plant 8 no's of stations have been selected for measurement of noise levels and their distance with respect to site are shown in table 3. 2.1 and Fig. 3.3 Punjipathara Ratrot Jamadbari PROJECT Taraimal Gourmuri Ujalpur Gerwani Fig. 3.3: Noise Monitoring Stations PROJECT SITE Monitoring Stations PIONEER ENVIRO 3 - 13 Environmental Impact Assessment Report Laboratories & Consultants Pvt. Ltd.
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DATA ON EXISTING PLANT (TOR # 15) A
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17 Permission for the drawl of 3,80
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