Castle Peak Road - Appendix

Appendix 4.3b   Sound Power Level of Powered Mechanical Equipment for Various Construction Activities (Unmitigated)
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	048	112	112	112	112						115	115	115
Excavator	081	112	112	112			112				115	115		112	112
Dump truck	067	117	117	117			117			120	120	120		120	117
Lorry	141	112						112				115	115
Barge	061	104				104		104								110		113
Crane	048	112				112		112
Bored piling rig	164	115			115	115
Concrete pump truck	047	109				109		109	109
Vibratory poker	170	113			113	113	113	113	116	116	116				113
Vibratory roller	186	108										111
Mobile diesel crane	048	112					112								112
Bar bender/cutting	021	90					90								90
Concrete mixer truck	044	109			109		109		112	112	112				109
Mobile crane/launching girder	048	112							112
Winch (pneumatic)	261	110							110
Grader	104	113								116
Compactor	050	105								108
Roller	185	108					108			111				108	108
Asphalt paver	004	109								112
Pneumatic types roller	186	108								111
Drilling rig	164	115											118
Air compressor (silenced)	002	102											105
Grab dredger	063	112														115	115	118
Overall SWL			119	119	119	119	121	118	120	124	123	123	121	121	121	116	115	119