Contract
No. HY/2011/03
Hong Kong-Zhuhai-Macao Bridge Hong Kong Link
Road
Section between Scenic Hill and Hong Kong Boundary Crossing
Facilities
Acoustic Decoupling Measures Plan
12 September 2012
Main Contractor Designer
Contents
2 Acoustic
Decoupling Measures Plan
2.1 Marine Construction Noise Sources
2.2 Proposed Acoustic Decoupling Measures
Appendices
Appendix A:
Photos of Proposed Working Vessel
Appendix B: Proposed Isolation Pad Details
Drawings
Drawing 4809-RC-2001 Reclamation
Plan (Sheet 1 of 2)
Drawing 4809-RC-2002 Reclamation
Plan (Sheet 2 of 2)
¡P
Marine
ground investigation;
¡P
Installation
of silt curtain;
¡P
Laying
geotextile;
¡P
Filling
for stone platform; and
¡P
Sand
filling for reclamation.
Table 1 Summary
of Noisy Equipment Identified on Working Vessels
Working Vessel |
Noisy Equipment
identified on Working Vessel |
Grab Dredger |
¡P
Generator (Diesel, 35.81kW, 1.5 Tons approx.) |
Pelican Barge |
¡P
Generator (Diesel, 35.81kW, 1.5 Tons approx.) |
Derrick Lighter |
¡P
Winch Generator (Diesel, 80.57kW, 12 Tons approx.) ¡P
Generator (Diesel, 35.81kW, 1.5 Tons approx.) |
Jack-Up Platform |
¡P
Generator (Diesel, 44.76kW, 3 Tons approx.) ¡P
Generator (Diesel, 4.48kW, 1 Ton approx.) |
Flat Top Barge |
¡P
Generator (Diesel, 4.47kW, 1 Ton approx.) ¡P
Generator (Diesel, 80.57kW, 5 Tons approx.) |
Crane Barge |
No noisy equipment
will be provided onboard. |
Crane Barge |
No noisy equipment
will be provided onboard. |
Flat Top Work Barge |
No noisy equipment
will be provided onboard. |
Table 2 Summary
of Noisy Equipment Identified on Working Vessel
Proposed Working Vessel |
Noisy Equipment identified on Working Vessel |
Dimensions of the Proposed Isolation Pad (L x W x
H) |
Grab Dredger |
¡P Generator (Diesel, 35.81kW, 1.5 Tons approx.) |
¡P 2m x 1m x 30mm approx. |
Pelican Barge |
¡P Generator (Diesel, 35.81kW, 1.5 Tons approx.) |
¡P 2m x 1m x 30mm approx. |
Derrick Lighter |
¡P
Winch Generator
(Diesel, 80.57kW, 12 Tons approx.) ¡P
Generator (Diesel,
35.81kW, 1.5 Tons approx.) |
¡P
6m x 3m x 30mm
approx. ¡P
2m x 1m x 30mm approx. |
Jack-Up Platform |
¡P
Generator
(Diesel, 44.76kW, 3 Tons approx.) ¡P
Generator
(Diesel, 4.48kW, 1 Ton approx.) |
¡P
2m
x 1.3m x 30mm approx. ¡P
1.5m
x 1m x 30mm approx. |
Flat Top Barge |
¡P
Generator
(Diesel, 4.47kW, 1 Ton approx.) ¡P
Generator
(Diesel, 80.57kW, 5 Tons approx.) |
¡P
1.5m
x 1m x 30mm approx. ¡P
3m
x 1.5m x30mm approx. |
Appendix a
Proposed Working Vessel |
Photo |
Grab
Dredger |
|
Pelican
Barge |
|
Derrick
Lighter |
|
Jack-Up
Platform |
|
Flat
Top Barge |
|
Crane
Barge (Ocean
Channel) |
|
Crane
Barge (Chung
Kong) |
|
Flat
Top Work Barge |
|
Appendix B
Proposed Isolation Pad Details