| Annex B4-3 | ||||||||||
| Sound Data provided by EPD's Landfill Contractor for the Existing SENT Landfill | ||||||||||
| Activity | Activity Description | Sound Pressure Level (SPL), dB(A) [1] | Distance from source (d1),m | Sound Power Level (SWL), dB(A) [2] | Quantity | |||||
| Fixed plants | Landfill Gas Power Plant Room - Enginees | - | - | 88.0 | 2 [3] | |||||
| Blower Room No. 1 - Blowers | - | - | 101.0 | 5 [4] | ||||||
| Blower Room No. 1 - Compressors | 73 | 3 | 90.5 | 2 | ||||||
| Blower Room No. 2 - Blowers | - | - | 101.0 | 4 [5] | ||||||
| Blower Room No. 2 - Compressor | 65 | 3 | 82.5 | 1 | ||||||
| Air Compressors | 65 | 3 | 82.5 | 2 | ||||||
| Notes: | ||||||||||
| [1] | Sound Pressure Level and Sound Power Levels for the fixed plant items are provided by EPD's landfill contractor for the existing SENT Landfill. | |||||||||
| [2] | Sound Power Level for air compressor = SPL + 10*log(2p(d1)2). | |||||||||
| [3] | Only one of the two engines of the landfill gas power plant will be operated at any one time. | |||||||||
| [4] | There will have a total of 5 blowers inside Blower Room No. 1, only 3 of them will be operated at any one time, the other 2 will be for standby purpose. | |||||||||
| [5] | There will have a total of 4 blowers inside Blower Room No. 2, only 2 of them will be operated at any one time, the other 2 will be for standby purpose. | |||||||||