| Appendix 4.1B | Construction Noise Assessment for Representative NSRs in Worst Case Scenario (Mitigation 2 - Quieter Plant + Movable Noise Barriers) | ||||||||
| NSR 1 | |||||||||
| Construction Process | Road D1 Construction | Area 65D Development | |||||||
| PME List | 1c | 6c | |||||||
| SWL from PMEs | 112.3 | 111.3 | |||||||
| Distance from notional source (m) | 62.0 | 126.5 | |||||||
| Noise level from Dump Trucks * | 55.1 | 52.0 | |||||||
| Façade correction | 3.0 | 3.0 | |||||||
| SPL, dB(A) | 71.7 | 64.7 | |||||||
| Total SPL, dB(A) | 72.5 | ||||||||
| NSR 2 | |||||||||
| Construction Process | Road D1 Construction | Road P2 Construction | Road D8 Construction | Area 67 Development | Possible future development to the south of Road D1 Reclamation | Seawall Construction | Pilling Work for Barrier | ||
| PME List | 1c | 4b | 5b | 2c | 6c | 3a | 7a | 8c | |
| SWL from PMEs | 112.3 | 114.9 | 114.9 | 110.2 | 111.3 | 117.9 | 118.4 | 109.2 | |
| Distance from notional source (m) | 232.0 | 111.8 | 111.8 | 94.0 | 282 | 232.0 | 222.0 | 94.0 | |
| Noise level from Dump Trucks * | 49.4 | 0.0 | 0.0 | 53.3 | 48.5 | 53.8 | 0.0 | 0.0 | |
| Façade correction | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | |
| SPL, dB(A) | 60.7 | 68.9 | 68.9 | 66.2 | 58.3 | 66.1 | 66.4 | 64.7 | |
| Total SPL, dB(A) | 75.2 | ||||||||
| NSR 3 | |||||||||
| Construction Process | Road D8 Construction | Road P2 Construction | Pilling Work for Barrier | ||||||
| PME List | 2c | 4b | 5b | 8c | |||||
| SWL from PMEs | 110.2 | 114.9 | 114.9 | 109.2 | |||||
| Distance from notional source (m) | 64.7 | 271.0 | 271.0 | 64.7 | |||||
| Noise level from Dump Trucks * | 54.9 | 0.0 | 0.0 | 0.0 | |||||
| Façade correction | 3.0 | 3.0 | 3.0 | 3.0 | |||||
| SPL, dB(A) | 69.3 | 61.2 | 61.2 | 67.9 | |||||
| Total SPL, dB(A) | 72.4 | ||||||||
| NSR 4 | |||||||||
| Construction Process | Road D8 Construction | Road P2 Construction | Pilling Work for Barrier | ||||||
| PME List | 2b | 4b | 5b | 8b | |||||
| SWL from PMEs | 118.4 | 114.9 | 114.9 | 115.0 | |||||
| Distance from notional source (m) | 117.6 | 259.0 | 259.0 | 117.6 | |||||
| Noise level from Dump Trucks * | 52.3 | 0.0 | 0.0 | 0.0 | |||||
| Façade correction | 3.0 | 3.0 | 3.0 | 3.0 | |||||
| SPL, dB(A) | 72.1 | 61.6 | 61.6 | 68.6 | |||||
| Total SPL, dB(A) | 74.2 | ||||||||
| NSR 5 | |||||||||
| Construction Process | Road D8 Construction | Pilling Work for Barrier | |||||||
| PME List | 2b | 8b | |||||||
| SWL from PMEs | 118.4 | 115.0 | |||||||
| Distance from notional source (m) | 117.6 | 117.6 | |||||||
| Noise level from Dump Trucks * | 52.3 | 0.0 | |||||||
| Façade correction | 3.0 | 3.0 | |||||||
| SPL, dB(A) | 72.1 | 68.6 | |||||||
| Total SPL, dB(A) | 73.7 | ||||||||
| NSR 8 | |||||||||
| Construction Process | Road D1 Construction | Pilling Work for Barrier | |||||||
| PME List | 1a | 8b | |||||||
| SWL from PMEs | 124.2 | 115.0 | |||||||
| Distance from notional source (m) | 180.0 | 200.0 | |||||||
| Noise level from Dump Trucks * | 0.0 | 0.0 | |||||||
| Façade correction | 3.0 | 3.0 | |||||||
| SPL, dB(A) | 74.1 | 63.9 | |||||||
| Total SPL, dB(A) | 74.5 | ||||||||
| NSR 9 | |||||||||
| Construction Process | Road P2 Construction | Pilling Work for Barrier | |||||||
| PME List | 4a | 5a | 8b | ||||||
| SWL from PMEs | 120.9 | 120.9 | 115.0 | ||||||
| Distance from notional source (m) | 160.0 | 160.0 | 160.0 | ||||||
| Noise level from Dump Trucks * | 51.0 | 51.0 | 0.0 | ||||||
| Façade correction | 3.0 | 3.0 | 3.0 | ||||||
| SPL, dB(A) | 71.9 | 71.9 | 65.9 | ||||||
| Total SPL, dB(A) | 75.4 | ||||||||
| NSR 10 | |||||||||
| Construction Process | Road D1 Construction | Road P2 Construction | Road D8 Construction | Area 67 Development | Pilling Work for Barrier | ||||
| PME List | 1c | 4c | 5c | 2c | 6c | 8c | |||
| SWL from PMEs | 112.3 | 105.5 | 105.5 | 110.2 | 111.3 | 109.2 | |||
| Distance from notional source (m) | 274.0 | 105.0 | 105.0 | 130.0 | 254 | 75.0 | |||
| Noise level from Dump Trucks * | 49.4 | 0.0 | 0.0 | 53.3 | 48.5 | 0.0 | |||
| Façade correction | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | |||
| SPL, dB(A) | 59.5 | 60.0 | 60.0 | 63.8 | 59.0 | 66.7 | |||
| Total SPL, dB(A) | 70.3 | ||||||||
| Note : * - Refer to Appendix 4.1A for calculation of noise level from Dump Trucks | |||||||||