Table 4.7 Cumulative Operational Noise Levels at Representative NSRs (Without Mitigation)
Sensitive receiver |
Distance between Noise Source and NSR, m |
Single Noise Level, dB(A) |
Cumulative Noise Level, dB(A) |
||||
P1a |
P1b |
P2 |
P1a |
P1b |
P2 |
|
|
CMV1 |
60 |
130 |
-- |
39.9 |
33.2 |
-- |
41 |
CMV2 |
24 |
92 |
-- |
47.9 |
36.2 |
-- |
48 |
CMV3 |
66 |
104 |
-- |
39.1 |
35.2 |
-- |
41 |
CMV4 |
52 |
52 |
-- |
41.2 |
41.2 |
-- |
44 |
CMV5 |
46 |
92 |
-- |
42.2 |
36.2 |
-- |
43 |
CMV6 |
30 |
96 |
-- |
46.0 |
35.9 |
|
46 |
THT |
204 |
128 |
-- |
29.3 |
33.4 |
-- |
35 |
SKW1 |
240 |
170 |
-- |
27.9 |
30.9 |
-- |
33 |
SKW2 |
266 |
182 |
288 |
27.0 |
30.3 |
26.3 |
33 |
SKW3 |
-- |
226 |
256 |
-- |
28.4 |
27.3 |
31 |
SKW4 |
-- |
272 |
212 |
-- |
26.8 |
29.0 |
31 |
SKW5 |
-- |
-- |
168 |
-- |
-- |
31.0 |
31 |
SKW6 |
-- |
-- |
130 |
-- |
-- |
33.2 |
33 |
SKW7 |
250 |
174 |
-- |
27.5 |
30.7 |
-- |
32 |
SKW8 |
300 |
222 |
260 |
26.0 |
28.6 |
27.2 |
32 |
SKW9 |
-- |
262 |
223 |
-- |
27.1 |
28.5 |
31 |
SKW10 |
-- |
-- |
140 |
-- |
-- |
32.6 |
33 |
SKW11 |
-- |
-- |
120 |
-- |
-- |
33.9 |
34 |
SKW12 |
-- |
-- |
103 |
-- |
-- |
35.2 |
35 |
TSW1 |
-- |
-- |
44 |
-- |
-- |
42.6 |
43 |
TSW2 |
-- |
-- |
118 |
-- |
-- |
34.1 |
34 |
TSW3 |
-- |
-- |
138 |
-- |
-- |
32.7 |
33 |
TSW4 |
-- |
-- |
188 |
-- |
-- |
30.0 |
30 |
MTW1 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
MTW2 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
Note:
Criteria: 55dB(A) (0700-2300 hrs); 45dB(A) (2300-0700 hrs)
3 dB(A) facade effect was added in the calculation
‘--' Not applicable because NSR would be over 300m from the construction activities, unoccupied or unaffected Boldface indicate an exceedance of the noise criterion of 45dB(A)