EPD - Pollution Problems & Practical Solutions

Rock Breaking
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 continuously during rock breaking work

Water spraying funnel mounted on breaker tip
Water spraying funnel mounted on breaker tip
   
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
Affix Noise Emission Label on handheld breaker and air compressor

Restrict the noisy breaking works to less sensitive hours of the day
Use Quality Powered Mechanical Equipment (QPME) type excavator-mounted breaker
Use noise barrier to screen the breaking work from noise sensitive receivers

Equip excavator-mounted breaker with noise muffler

Noise barriers to screen noisy construction works
Noise barriers to screen noisy construction works
 
Portable noise screen fabricated by scrap diesel drum for rock breaking by handheld breaker
Portable noise screen fabricated by scrap diesel drum for rock breaking by handheld breaker
 
Portable noise screen for rock breaking by handheld breaker
Portable noise screen for rock breaking by handheld breaker
 
Equip excavtor-mounted hydraulic breaker with noise muffler
Equip excavator-mounted hydraulic breaker with noise muffler