Appendix H  Powered Mechanical Equipment (PME) for the Different Construction Tasks
(1b) Road D1
Powered Mechanical Equipment	TM Ref./	No. Items	SWL/Item
(PME)	other Ref.		dB(A) per each plant
Excavator loader, wheeled/tracked*	B	4	105.0
Air Compressor	CNP 001	4	100.0
Mobile Crane*	B	2	105.0
Crane Lorry*	A	4	105.0
Breaker, hand-held	CNP 024	4	108.0
Grader*	A	1	110.0
Asphalt Paver	CNP 004	2	109.0
Road Rollers	CNP 186	2	108.0
Water Pump	CNP 044	4	88.0
Generator, super silenced*	CNP 103	4	95.0
(2b) Road D8
Powered Mechanical Equipment	TM Ref./	No. Items	SWL/Item
(PME)	other Ref.		dB(A)
Excavator loader, wheeled/tracked*	B	2	105.0
Air Compressor	CNP 001	2	100.0
Mobile Crane*	B	1	105.0
Crane Lorry*	A	2	105.0
Breaker, hand-held	CNP 024	2	108.0
Grader*	A	1	110.0
Asphalt Paver	CNP 004	2	109.0
Road Rollers	CNP 186	2	108.0
Water Pump	CNP 044	2	88.0
Generator, super silenced*	CNP 103	2	95.0
(3a) Reclamation (With development to the south of Road D1)
Powered Mechanical Equipment	TM Ref./	No. Items	SWL/Item
(PME)	other Ref.		dB(A)
Sandfill Barge	CNP 061	1	104.0
V Drains Rig	A	1	112.0
P/Fill Barge	CNP 061	1	104.0
Barges Derricks	CNP 061	1	104.0
Backhoe	CNP 081	1	112.0
General Breaker	CNP 024	1	108.0
Excavator Loader	CNP 081	1	112.0
(4b) Road P2 - Sand Blanket in Yr 2005
Powered Mechanical Equipment	TM Ref./	No. Items	SWL/Item
(PME)	other Ref.		dB(A)
Grader *	A	1	110.0
Excavator *	A	1	104.0
Bulldozer *	B	1	110.0
Roller	CNP 186	1	108.0
Dump Truck *	A	1	103.0
(5b) Road P2 - Prefabrical Band Drains in Yr 2005
Powered Mechanical Equipment	TM Ref./	No. Items	SWL/Item
(PME)	other Ref.		dB(A)
Grader *	A	1	110.0
Excavator *	A	1	104.0
Bulldozer *	B	1	110.0
Roller	CNP 186	1	108.0
Dump Truck *	A	1	103.0
(6b) Site Development per Sub-area
Powered Mechanical Equipment	TM Ref./	No. Items	SWL/Item
(PME)	other Ref.		dB(A)
Excavator loader, wheeled/tracked*	B	2	105.0
Air Compressor	CNP 001	2	100.0
Mobile Crane*	B	1	105.0
Crane Lorry*	A	4	105.0
Breaker, hand-held	CNP 024	4	108.0
Concrete Vibrator*	A	4	105.0
Piling, large bored	CNP 166	2	100.0
Water Pump	CNP 166	4	88.0
Generator, super silenced*	CNP 103	4	95.0
(8b)Piling Works for Noise Barrier
Powered Mechanical Equipment	TM Ref./	No. Items	SWL/Item
(PME)	other Ref.		dB(A)
Air Compressor	CNP 002	1	102.0
Mobile Crane*	B	1	105.0
Crane Lorry*	A	1	105.0
Breaker, hand-held	CNP 024	1	108.0
Concrete Vibrator*	A	2	100.0
Piling rig	CNP 166	1	100.0
Generator, standard	CNP 102	1	100.0
Concrete truck	CNP 044	1	109.0
Dump Truck *	A	1	103.0
Backhoe *	A	1	105.0
Calculation of sound pressure levels at the NSR due to Filling Trucks
Equation D6 of BS 5228 "Method for mobile plant using a regular well defined route" is adopted
LAeq = SWL - 33 + 10logQ - 10logV - 10logd
For roadwork EXCEPT ROAD P2 and site development, 4 Dump Trucks per hour was assumed in the assessment
Assume the speed of the Dump Trucks are 50 km/hr.
The distance (d) of receiving position from the centre of haul road is assumed as same as the distance from notional source
The sound power level of a dump truck = 117 dB(A)
For Reclamation, 11 Filling Trucks per hour on each sub-area;
Assume the speed of the Filling Trucks are 50 km/hr.
The distance (d) of receiving position from the centre of haul road is assumed as same as the distance from notional source
The sound power level of Filling Trucks = 117 dB(A)
NOTE:
A - BS5228:Par 1:1997
B - Final EIA Report of "Feasibility Study for Pak Shek Kok Development Area.
* using quieter plants