Appendix 4.16 |
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Assumed
Operation Equipment for Pumping Station P1a (With the Use of Silencer) |
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Powered Mechanical
Equipment |
Reference |
No. Items |
SWL/Item |
Screening* |
Sub-total |
Total SWL |
Total SWL |
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(PME) |
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dB(A) |
dB(A) |
SWL dB(A) |
dB(A) |
dB(A) |
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Submersible water pump |
CNP 283 |
1 |
85 |
10 |
75 |
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Deodouriser1 |
R1 |
1 |
79 |
8 |
71 |
76.5 |
76.46 |
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Note: |
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* Assume 10 dB(A) noise reduction for
equipment placing in enclosure/ 8 dB(A) reduction for the use of silencer |
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1 Estimated SWLs of the equipment obtained
from contractors |
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1 Based on fan with 1700m3/hr flowrate |
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R1 Good Practices on Ventilation System
Noise Control (EPD) |
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