Annex
B-4 - Construction Noise Assessment |
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NSR: |
Village House at Sha Po Kong |
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Correction Factor |
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Distance from NSR to
Sources |
1100 |
m |
to the nearest site boundary |
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Distance Attenuation |
-69 |
dB(A) |
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Barrier attenuation |
|
-10 |
dB(A) |
for land based works(1) |
& |
0 |
dB(A) |
for dredgeing work |
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Distance from NSR
to Dredging Area |
1100 |
m |
to the nearest site boundary |
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Distance Attenuation |
-69 |
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Facade |
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3 |
dB(A) |
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2006 |
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2007 |
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2008 |
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2009 |
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2010 |
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J |
J |
A |
S |
O |
N |
D |
J |
F |
M |
A |
M |
J |
J |
A |
S |
O |
N |
D |
J |
F |
M |
A |
M |
J |
J |
A |
S |
O |
N |
D |
J |
F |
M |
A |
M |
J |
J |
A |
S |
O |
N |
D |
J |
F |
M |
A |
M |
J |
J |
A |
S |
O |
N |
D |
J |
J |
A |
S |
O |
N |
D |
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Construction Item |
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Demolition of Oil
Tank |
|
0 |
0 |
0 |
0 |
0 |
0 |
0 |
124 |
124 |
124 |
124 |
124 |
124 |
124 |
124 |
124 |
124 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
124.2039591 |
124.2039591 |
124.2039591 |
124.2039591 |
124.2039591 |
124.2039591 |
124.2039591 |
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Total SWL |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
124 |
124 |
124 |
124 |
124 |
124 |
124 |
124 |
124 |
124 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
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Noise Level at NSR (dB(A)) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
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Site formation |
|
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
123 |
123 |
123 |
123 |
123 |
0 |
0 |
0 |
0 |
0 |
0 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
124 |
124 |
124 |
124 |
124 |
124 |
124 |
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Total SWL |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
123 |
123 |
123 |
123 |
123 |
0 |
0 |
0 |
0 |
0 |
0 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
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|
Noise Level at NSR (dB(A)) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
48 |
48 |
48 |
48 |
48 |
0 |
0 |
0 |
0 |
0 |
0 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
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Annex B-4 - Construction Noise Assessment |
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0 |
0 |
113 |
113 |
113 |
113 |
0 |
0 |
0 |
0 |
0 |
0 |
113 |
113 |
113 |
113 |
113 |
113 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
117 |
117 |
117 |
117 |
117 |
117 |
117 |
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|
|
0 |
0 |
113 |
113 |
113 |
113 |
0 |
0 |
0 |
0 |
0 |
0 |
113 |
113 |
113 |
113 |
113 |
113 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
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NSR: |
Village House at Sha Po Kong |
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0 |
0 |
37 |
37 |
37 |
37 |
0 |
0 |
0 |
0 |
0 |
0 |
37 |
37 |
37 |
37 |
37 |
37 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
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M&E
Installation |
|
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
0 |
|
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|
|
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|
Total SWL |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
0 |
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|
Noise Level at NSR (dB(A)) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
0 |
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Dredging Work |
|
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
112 |
112 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
#REF! |
#REF! |
#REF! |
#REF! |
#REF! |
#REF! |
#REF! |
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Total SWL |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
112 |
112 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
#REF! |
#REF! |
#REF! |
#REF! |
#REF! |
#REF! |
#REF! |
0 |
0 |
0 |
0 |
0 |
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Noise Level at NSR (dB(A)) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
46 |
46 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
#REF! |
#REF! |
#REF! |
#REF! |
#REF! |
#REF! |
#REF! |
0 |
0 |
0 |
0 |
0 |
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|
OVERALL NOISE LEVEL AT NSR (dB(A)) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
48 |
48 |
50 |
51 |
49 |
49 |
49 |
48 |
51 |
51 |
48 |
48 |
48 |
45 |
45 |
45 |
45 |
45 |
45 |
49 |
49 |
49 |
49 |
49 |
49 |
49 |
49 |
49 |
49 |
49 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
44 |
0 |
#REF! |
#REF! |
#REF! |
#REF! |
#REF! |
#REF! |
#REF! |
|
max |
51 |
|
|
max |
51 |
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min |
44 |
|
Note: |
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(1)
With the construction activities will
be screened by the existing building structures at Castle Peak Power
Station and topography, a negative correction factor of 10dB(A) has been
applied in the assessment. |
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(1) Atmospheric attenuation
coefficient is applied in accordance with ISO 9613:Part 2 in considering that
construction noise dominated at frequency of 500 Hz and average atmospheric
condition in Hong Kong ((i.e. 23oC and RH 79%) is made reference to the " |
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by Hong Kong Observatory). |
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NSR: |
Planned Holiday Camp |
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|
Correction Factor |
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|
Distance from NSR to
Sources |
1200 |
m |
to the nearest site boundary |
|
Distance Attenuation |
-70 |
dB(A) |
|
Barrier attenuation |
|
-10 |
dB(A) |
for land based works(1) |
& |
-10 |
dB(A) |
for dredgeing work(1) |
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|
Distance from NSR
to Dredging Area |
2000 |
m |
to the nearest site boundary |
|
Distance Attenuation |
-74 |
|
|
Facade |
|
|
3 |
dB(A) |
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|
2006 |
|
|
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|
2007 |
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|
2008 |
|
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2009 |
|
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|
2010 |
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|
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|
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|
|
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|
|
|
|
|
|
J |
J |
A |
S |
O |
N |
D |
J |
F |
M |
A |
M |
J |
J |
A |
S |
O |
N |
D |
J |
F |
M |
A |
M |
J |
J |
A |
S |
O |
N |
D |
J |
F |
M |
A |
M |
J |
J |
A |
S |
O |
N |
D |
J |
F |
M |
A |
M |
J |
J |
A |
S |
O |
N |
D |
J |
J |
A |
S |
O |
N |
D |
|
|
|
|
|
Construction Item |
|
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|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
Demolition of Oil Tank |
|
0 |
0 |
0 |
0 |
0 |
0 |
0 |
124 |
124 |
124 |
124 |
124 |
124 |
124 |
124 |
124 |
124 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
|
|
|
|
Total SWL |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
124 |
124 |
124 |
124 |
124 |
124 |
124 |
124 |
124 |
124 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
|
|
|
|
Noise Level at NSR (dB(A)) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Site formation |
|
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
123 |
123 |
123 |
123 |
123 |
0 |
0 |
0 |
0 |
0 |
0 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
|
|
|
|
Total SWL |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
123 |
123 |
123 |
123 |
123 |
0 |
0 |
0 |
0 |
0 |
0 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
123 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
|
|
|
|
Noise Level at NSR (dB(A)) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
47 |
47 |
47 |
47 |
47 |
0 |
0 |
0 |
0 |
0 |
0 |
47 |
47 |
47 |
47 |
47 |
47 |
47 |
47 |
47 |
47 |
47 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Annex B-4 - Construction Noise Assessment |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
113 |
113 |
113 |
113 |
0 |
0 |
0 |
0 |
0 |
0 |
113 |
113 |
113 |
113 |
113 |
113 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
|
|
|
|
|
Total SWL |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
113 |
113 |
113 |
113 |
0 |
0 |
0 |
0 |
0 |
0 |
113 |
113 |
113 |
113 |
113 |
113 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
|
|
|
|
Noise Level at NSR (dB(A)) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
36 |
36 |
36 |
36 |
0 |
0 |
0 |
0 |
0 |
0 |
36 |
36 |
36 |
36 |
36 |
36 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
M&E Installation |
|
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
0 |
|
|
|
|
|
|
|
|
Total SWL |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
120 |
0 |
|
|
|
|
|
|
Noise Level at NSR (dB(A)) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Dredging Work |
|
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
112 |
112 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
|
|
|
|
Total SWL |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
112 |
112 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
|
|
|
|
Noise Level at NSR (dB(A)) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
31 |
31 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
OVERALL NOISE LEVEL AT NSR (dB(A)) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
50 |
50 |
47 |
47 |
47 |
44 |
44 |
44 |
44 |
44 |
44 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
48 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
43 |
0 |
#REF! |
#REF! |
#REF! |
#REF! |
#REF! |
#REF! |
#REF! |
|
max |
50 |
|
|
max |
50 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
min |
43 |
|
Note: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(1) Atmospheric attenuation
coefficient is applied in accordance with ISO 9613:Part 2 in considering that
construction noise dominated at frequency of 500 Hz and average atmospheric
condition in Hong Kong ((i.e. 23oC and RH 79%) is made reference to the " |
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by Hong Kong Observatory). |
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(1)
With the construction activities will
be screened by the existing building structures at Castle Peak Power
Station and topography, a negative correction factor of 10dB(A) has been
applied in the assessment. |
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