Noise and Vibration Report - Transnet

ENVIRO-ACOUSTIC RESEARCHSCOPING NOISE REPORT – TRANSNET: SWAZI RAIL LINK – DAVEL YARD TO NERSTON RSA ROUTETable 4.2: Potential equivalent noise levels generated by various equipmentEquipment DescriptionEquivalent(average)Sound Levels(dBA)Operational Noise Level at given distance considering equivalent (average) sound power emission levels(Cumulative as well as the mitigatory effect of potential barriers or other mitigation not included –simple noise propagation modelling only considering distance)(dBA)5 m 10 m 20 m 50 m 100 m 150 m 200 m 300 m 500 m 750 m 1000 m 2000 mBulldozer CAT D11 113.3 88.4 82.3 76.3 68.4 62.3 58.8 56.3 52.8 48.4 44.8 42.3 36.3Bulldozer CAT D9 111.9 86.9 80.9 74.9 66.9 60.9 57.4 54.9 51.3 46.9 43.4 40.9 34.9Bulldozer CAT D6 108.2 83.3 77.3 71.2 63.3 57.3 53.7 51.2 47.7 43.3 39.8 37.3 31.2Bulldozer CAT D5 107.4 82.4 76.4 70.4 62.4 56.4 52.9 50.4 46.9 42.4 38.9 36.4 30.4Bulldozer Komatsu 375 114.0 89.0 83.0 77.0 69.0 63.0 59.5 57.0 53.4 49.0 45.5 43.0 37.0Bulldozer Komatsu 65 109.5 84.5 78.5 72.4 64.5 58.5 54.9 52.4 48.9 44.5 41.0 38.5 32.4Diesel loco moving 108.7 83.7 77.7 71.7 63.7 57.7 54.2 51.7 48.2 43.7 40.2 37.7 31.7Diesel loco idling 100.7 75.7 69.7 63.7 55.7 49.7 46.2 43.7 40.1 35.7 32.2 29.7 23.7Diesel Generator (Large - mobile) 106.1 81.2 75.1 69.1 61.2 55.1 51.6 49.1 45.6 41.2 37.6 35.1 29.1Dumper/Haul truck - CAT 700 115.9 91.0 85.0 78.9 71.0 65.0 61.4 58.9 55.4 51.0 47.5 45.0 38.9Dumper/Haul truck - Terex 30 ton 112.2 87.2 81.2 75.2 67.2 61.2 57.7 55.2 51.7 47.2 43.7 41.2 35.2Dumper/Haul truck - Bell 25 ton (B25D) 108.4 83.5 77.5 71.4 63.5 57.5 53.9 51.4 47.9 43.5 40.0 37.5 31.4Excavator - Cat 416D 103.9 78.9 72.9 66.8 58.9 52.9 49.3 46.8 43.3 38.9 35.4 32.9 26.8Excavator - Hitachi EX1200 113.1 88.1 82.1 76.1 68.1 62.1 58.6 56.1 52.6 48.1 44.6 42.1 36.1Excavator - Hitachi 870 (80 t) 108.1 83.1 77.1 71.1 63.1 57.1 53.6 51.1 47.5 43.1 39.6 37.1 31.1Excavator - Hitachi 270 (30 t) 104.5 79.6 73.5 67.5 59.6 53.5 50.0 47.5 44.0 39.6 36.0 33.5 27.5FEL - Bell L1806C 102.7 77.7 71.7 65.7 57.7 51.7 48.2 45.7 42.1 37.7 34.2 31.7 25.7FEL - CAT 950G 102.1 77.2 71.2 65.1 57.2 51.2 47.6 45.1 41.6 37.2 33.7 31.2 25.1FEL - Komatsu WA380 100.7 75.7 69.7 63.7 55.7 49.7 46.2 43.7 40.1 35.7 32.2 29.7 23.7General noise 108.8 83.8 77.8 71.8 63.8 57.8 54.2 51.8 48.2 43.8 40.3 37.8 31.8Grader - Operational Hitachi 108.9 83.9 77.9 71.9 63.9 57.9 54.4 51.9 48.4 43.9 40.4 37.9 31.9Grader 110.9 85.9 79.9 73.9 65.9 59.9 56.4 53.9 50.3 45.9 42.4 39.9 33.9JBL TLB 108.8 83.8 77.8 71.8 63.8 57.8 54.3 51.8 48.3 43.8 40.3 37.8 31.8Road Transport Reversing/Idling 108.2 83.3 77.2 71.2 63.3 57.2 53.7 51.2 47.7 43.3 39.7 37.2 31.2Road Truck average 109.6 84.7 78.7 72.6 64.7 58.7 55.1 52.6 49.1 44.7 41.1 38.7 32.6Vibrating roller 106.3 81.3 75.3 69.3 61.3 55.3 51.8 49.3 45.8 41.3 37.8 35.3 29.3Water Dozer, CAT 113.8 88.8 82.8 76.8 68.8 62.8 59.3 56.8 53.3 48.8 45.3 42.8 36.8P a g e | 23