| Appendix 4.1B | Construction Noise Assessment for Representative NSRs in Worst Case Scenario - Without Mitigation | |||||||
| NSR 1 | ||||||||
| Construction Process | Road D1 Construction | Area 65D Development | ||||||
| PME List | 1a | 6a | ||||||
| SWL from PMEs | 124.2 | 123.9 | ||||||
| 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) | 83.3 | 76.9 | ||||||
| Total SPL, dB(A) | 84.2 | |||||||
| 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 | 1a | 4a | 5a | 2a | 6a | 3a | 7a | 8a |
| SWL from PMEs | 124.2 | 120.9 | 120.9 | 121.9 | 123.9 | 117.9 | 118.4 | 121.9 |
| 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) | 71.9 | 75.0 | 75.0 | 77.5 | 70.0 | 66.1 | 66.4 | 77.5 |
| Total SPL, dB(A) | 83.2 | |||||||
| NSR 3 | ||||||||
| Construction Process | Road D8 Construction | Road P2 Construction | Pilling Work for Barrier | |||||
| PME List | 2a | 4a | 5a | 8a | ||||
| SWL from PMEs | 121.9 | 120.9 | 120.9 | 121.9 | ||||
| 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) | 80.7 | 67.3 | 67.3 | 80.7 | ||||
| Total SPL, dB(A) | 83.9 | |||||||
| NSR 4 | ||||||||
| Construction Process | Road D8 Construction | Road P2 Construction | Pilling Work for Barrier | |||||
| PME List | 2a | 4a | 5a | 8a | ||||
| SWL from PMEs | 121.9 | 120.9 | 120.9 | 121.9 | ||||
| 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) | 75.5 | 67.7 | 67.7 | 75.5 | ||||
| Total SPL, dB(A) | 79.2 | |||||||
| NSR 5 | ||||||||
| Construction Process | Road D8 Construction | Pilling Work for Barrier | ||||||
| PME List | 2a | 8a | ||||||
| SWL from PMEs | 121.9 | 121.9 | ||||||
| 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) | 75.5 | 75.5 | ||||||
| Total SPL, dB(A) | 78.5 | |||||||
| NSR 8 | ||||||||
| Construction Process | Road D1 Construction | Pilling Work for Barrier | ||||||
| PME List | 1a | 8a | ||||||
| SWL from PMEs | 124.2 | 121.9 | ||||||
| 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 | 70.9 | ||||||
| Total SPL, dB(A) | 75.8 | |||||||
| NSR 9 | ||||||||
| Construction Process | Road P2 Construction | Pilling Work for Barrier | ||||||
| PME List | 4a | 5a | 8a | |||||
| SWL from PMEs | 120.9 | 120.9 | 121.9 | |||||
| Distance from notional source (m) | 160.0 | 160.0 | 160.0 | |||||
| Noise level from Dump Trucks * | 0.0 | 0.0 | 0.0 | |||||
| Façade correction | 3.0 | 3.0 | 3.0 | |||||
| SPL, dB(A) | 71.8 | 71.8 | 72.8 | |||||
| Total SPL, dB(A) | 77.0 | |||||||
| NSR 10 | ||||||||
| Construction Process | Road D1 Construction | Road P2 Construction | Road D8 Construction | Area 67 Development | Pilling Work for Barrier | |||
| PME List | 1a | 4a | 5a | 2a | 6a | 8a | ||
| SWL from PMEs | 124.2 | 120.9 | 120.9 | 121.9 | 123.9 | 121.9 | ||
| 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) | 70.5 | 75.5 | 75.5 | 74.7 | 70.9 | 79.4 | ||
| Total SPL, dB(A) | 83.2 | |||||||
| Note : * - Refer to Appendix 4.1A for calculation of noise level from Dump Trucks | ||||||||