Appendix 5.3 Proposed Powered Mechanical Equipment with Mitigation Measures
Construction Stage
Equipment	Quantity	TM reference	% on-time	Barrier Correction	SWL per Piece dB(A)	Sub-Total SWL dB(A)
Generator Set	2	R1	100	0	95	98
Excavator	1	R2	80	0	105	104
150T Mobile Crane	2	R2	70	0	106	107
Service Truck	2	R2	60	0	109	110
Vibration Poker	2	R2	70	0	100	101
Pneumatic Breaker	1	CNP 025	80	0	111	110
Compressor	1	CNP001	80	0	100	99
Concrete Mixer Truck	2	CNP 044	90	0	109	112
Total SWL in dB(A)						116.5
Operation Stage 1
Equipment	Quantity	TM reference	% on-time	Barrier Correction	SWL per Piece dB(A)	Sub-Total SWL dB(A)
Wheel Loader	1	CNP 081	80	0	112	111
Concrete Recycle Machine	1	CNP 045	100	0	96	96
Generator	1	CNP 101	100	0	108	108
Concrete Wet Mixer	1	CNP 045	90	0	96	96
Tipper Truck	1	CNP 067	60	0	117	115
Cement Tanker	1	CNP 141	60	0	112	110
barge	1	CNP 061	80	0	104	103
Concrete Mixer Truck	3	CNP 044	90	0	109	113
Batching Plant	1	CNP 022	100	0	108	108
Compressor	3	CNP001	80	0	100	104
Total SWL in dB(A)						120
Operation Stage 2
Equipment	Quantity	TM reference	% on-time	Barrier Correction	SWL per Piece dB(A)	Sub-Total SWL dB(A)
Wheel Loader	1	CNP 081	80	0	112	111
Concrete Recycle Machine	1	CNP 045	100	0	96	96
Generator	4	CNP 101	100	0	108	114
Concrete Wet Mixer	3	CNP 047	80	0	109	113
Cement Blower	3	CNP 045	80	0	96	100
Tipper Truck	1	CNP 067	60	0	117	115
barge	3	CNP 061	80	0	104	108
Concrete Mixer Truck	8	CNP 044	90	0	109	118
Batching Plant	1	CNP 022	100	0	108	108
Compressor	6	CNP 003	80	0	104	111
Total SWL in dB(A)						122
Note:
R1: Environmental Permit Variation for Road Work for Cyber Port Development - Construction Noise Impact Assessment Report (February 2000)
R2: Northern Access Road for Cyberport Development Environmental Permit Application - Supplementary Environmental Assessment Report (July 2000)
Phase 1 Construction of Stage 1
Phase 2 Consrruction of Stage 2 and operation of Stage 1
Phase 3 Operation of Stage 2