EPD - Pollution Problems & Practical Solutions | Environmental Protection Department

Earthwork

Air

Noise

Waste

Pollution Type

Air

Problem

Dust

Relevant Env. Control

Air Pollution Control (Construction Dust) Regulation, Cap. 311R requires the relevant contractor to adopt effective dust control measures.

Practical Solutions

Spray water on the surface of dusty material before, during and after excavation

Minimize the dropping height of soil and dusty material during loading and unloading

Use dump truck equipped with mechanical cover for transportation of dusty material

Wash vehicle to remove any dusty materials before leaving a site

Keep the haul road wet by water sprinkler or water bowser

Manual water spraying

Mechanical truck cover

Automatic wheel washer

Water sprinkler

Water bowser

Pollution Type

Noise

Problem

Relevant Env. Control

Under the Noise Control Ordinance, Cap. 400, use of Powered Mechanical Equipment (PME) and Prescribed Construction Work (PCW) are not allowed from 7pm to 7am on the next day or anytime on public holidays, including Sundays.

Practical Solutions

Use Quality Powered Mechanical Equipment (QPME) type equipment excavator

Use noise barrier to screen noisy works from noise sensitive receivers

Noise barriers to screen noisy construction works

Pollution Type

Waste

Problem

Fly-tipping

Relevant Env. Control

Under the Waste Disposal Ordinance, Cap. 354, it is prohibited to dump waste in public places or on Government land, or on private premises without the consent of the owner or occupier.

Practical Solutions

	Reuse excavated material for on site backfilling
	Reuse surplus excavated material for backfilling in other construction sites
	Dispose of surplus excavated material to government approved public filling reception facilities
	Implement Trip Ticket System to track dump truck delivering excavated material