| Appendix 4.3e Sound Power Level of Powered Mechanical Equipment for Various Construction Activities (With the Use of Quiet Equipment, Moveable Barrier and Restriction on Usage of Operating PME ) | |||||||||||||||||||
| 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 | 101* | 101 | 101 | 101 | 101 | 101 | 101 | |||||||||||
| Excavator | C.3-97 | 100* | 100 | 100 | 100 | 100 | 100 | 100 | 100 | ||||||||||
| Dump truck | C.9-29 | 109 | 109 | 109 | 109 | 109 | 109 | 109 | 112 | 109 | |||||||||
| Lorry | C.9-27 | 105 | 105 | 105 | 105 | ||||||||||||||
| Barge | 061 | 104 | 104 | 104 | 107 | 110 | |||||||||||||
| Crane | C.7-110 | 101* | 101 | 101 | |||||||||||||||
| Bored piling rig | 164 | 115 | 115 | 115 | |||||||||||||||
| Concrete pump truck | 047 | 104* | 104 | 104 | 104 | ||||||||||||||
| Vibratory poker | C.6-32 | 90* | 90 | 90 | 90 | 90 | 93 | 90 | 90 | 90 | |||||||||
| Vibratory roller | 186 | 103* | 103 | ||||||||||||||||
| Mobile diesel crane | C.7-110 | 101* | 101 | 101 | |||||||||||||||
| Bar bender/cutting | 021 | 90 | 90 | 90 | |||||||||||||||
| Concrete mixer truck | C.6-35 | 100 | 100 | 100 | 103 | 100 | 100 | 100 | |||||||||||
| Mobile crane/launching girder | C.7-110 | 101* | 101 | ||||||||||||||||
| Winch (pneumatic) | 261 | 105* | 105 | ||||||||||||||||
| Grader | C.9-11 | 105* | 105 | ||||||||||||||||
| Compactor | 050 | 95* | 95 | ||||||||||||||||
| Roller | C.8-27 | 99* | 99 | 99 | 99 | 99 | |||||||||||||
| Asphalt paver | C.8-24 | 101 | 101 | ||||||||||||||||
| Pneumatic types roller | 186 | 103* | 106 | ||||||||||||||||
| Drilling rig | 164 | 112 | 112 | ||||||||||||||||
| Air compressor (silenced) | 001 | 90* | 90 | ||||||||||||||||
| Grab dredger | 063 | 112 | 112 | 115 | 115 | ||||||||||||||
| Overall SWL | 108 | 108 | 113 | 113 | 109 | 108 | 108 | 113 | 111 | 112 | 113 | 111 | 109 | 113 | 113 | 116 | |||
| Note: * With the use of movable noise barrier | ** | Restriction on the usage of operating plant (by half the number of each type of the equipment) | |||||||||||||||||