Castle Peak Road - App4-3c

Appendix 4.3c   Sound Power Level of Powered Mechanical Equipment for Various Construction Activities (With the Use of Quiet Equipment)
Equipment	CNP / BS5228	SWL, dB(A)	Mobilization & Establishment	Site Clearance	Piling (land-based)	Piling (sea-based)	Pile cap, bridge pier & abutment (land-based)	Pile cap, bridge pier & abutment (sea-based)	Bridge deck & parapet	Road construction (2 activities will be carried out simultaneously	Drainage and utilities (2 sections will be laid simultaneously)	Fill slopes reconstruction (2 slopes will be reconstructed simultaneously)	Cut slopes reconstruction (2 slopes will be stabilized simultaneously)	Reclamation (above sea level)	Retaining wall construction	Dredging	Rock filling	Sand filling
Mobile crane	C.7-110	106	106	106	106						109	109	109
Excavator	C.3-97	105	105	105			105				108	108		105	105
Dump truck	C.9-29	109	109	109			109			112	112	112		112	109
Lorry	C.9-27	105						105				108	108
Barge	061	104				104		104								110		113
Crane	C.7-110	106				106		106
Bored piling rig	164	115			115	115
Concrete pump truck	047	109				109		109	109
Vibratory poker	C.6-32	100			100	100	100	100	103	103	103				100
Vibratory roller	186	108										111
Mobile diesel crane	C.7-110	106					106								106
Bar bender/cutting	021	90					90								90
Concrete mixer truck	C.6-35	100			100		100		103	103	103				100
Mobile crane/launching girder	C.7-110	106							106
Winch (pneumatic)	261	110							110
Grader	C.9-11	105								108
Compactor	050	105								108
Roller	C.8-27	104					104			107				104	104
Asphalt paver	C.8-24	101								104
Pneumatic types roller	186	108								111
Drilling rig	C11-2	112											115
Air compressor (silenced)	001	100											100
Grab dredger	063	112														115	115	118
Overall SWL			112	112	116	117	113	113	114	117	115	117	117	113	113	116	115	119