Air Pollution Control « Air Pollution Control Ordinance » ( Chapter 311 )
« Air Pollution Control Regulations » Relevant to the Construction Industry
« Air Pollution Control Regulations » Relevant to the Construction Industry
Air Pollution Control (Open Burning) Regulation Purpose Prohibit / Control Open Burning ActivitiesEffective date 26 Feb 1996
1. Allow at least 28 days for application2. The applicant shall prove︰ a. an absolute need for the burning; b. there is no other practical alternative means of waste disposal; and c. there will not be adverse environmental impact.3. The Authority may impose terms and conditions in the permit.
Penalties
Purpose Employ effective dust abatement measures to- Reduce dust emission,
- Reduce air nuisance, and
- Improve general air quality.
Set out appropriate dust control measures and make them as standard practice in the construction industry.
Classification of Construction Works Three main types of construction works:- Notifiable work: building demolition, construction of superstructure, site formation, reclamation, etc.
- Regulatory work (Notification not required) : road opening /resurfacing, external renovation, slope stabilization.
- Excluded work (Notification not required) : internal renovation, specified process, etc.
Notifiable Work Road construction work Demolition of a building Construction of building foundation Construction of building superstructure
General Control Requirements
Stop operating the relevant plant or dusty process if there is breakdown of air pollution control equipment. Stop operating the relevant plant or dusty process if there is breakdown of air pollution control equipment.Avoid using compressed air jet to clean off dust.
Site Boundary and Exit Provide vehicle washing facilities.
Main Haul Road (4 or more vehicles passing in any 30 minutes)
Road Leading Only to A Construction Site Clear dusty materials from the portion of any such road within 30 m of vehicle entrance / exit.
Part IV of Schedule Control Requirements for Individual Activities
Stockpiling of Dusty Materials Cover entirely by impervious sheeting; Place in an area sheltered on the top and the 3 sides; orMaintain entire surface wet.
Loading, Unloading or Transfer of Dusty Materials Wet dusty materials with water spraying prior to operation.
Enclose the belt conveyor from the top and the 2 sides. Enclose the belt conveyor from the top and the 2 sides. Enclose the transfer point between conveyors. Install belt scraper and bottom plates. Maintain vertical distance between belt conveyor outlet and material landing point at <1 m. Enclose the unloading area.
Use of Vehicles Wash every vehicle before leaving the site to remove dusty materials from body and wheels.Cover any load of dusty materials.
Drilling, Cutting & Polishing, etc Spray surface continuously with water. Equip with effective dust extraction and filtering device.
Debris Handling Cover or store debris in area sheltered on the top and the 3 sides. Enclose the debris chute. Wet debris before dumping into chute.
Excavation or Earth Moving Spray the working area with water or chemicals before, during and immediately after the operation to maintain entire surface wet.
Concrete Production Carry out de-bagging, batching and mixing of cement and PFA in area sheltered on the top and the 3 sides.
Wet the working area before, during and immediately after the operation.Cover all demolished items or place in area sheltered on the top and the 3 sides within a day of demolition.
Blasting Wet area within 30 m before blasting.No blasting during the strong wind signal or tropical cyclone warning No.3 or above is hoisted unless permitted by Commissioner of Mines.
Part I of Schedule Control Requirements for Notifiable Works
Reclamation Treat or seal any stockpile of dusty materials (>1.2 m high & <50 m from site boundary) with bitumen or other suitable surface stabilizer.
Demolition of a Building Wet the working area prior to, during and immediately after demolition.Enclose the building with impervious dust screens to a height of at least 1 m higher.Wet remaining dusty materials after removal and clear the road surface.
Construction of the Superstructure of Building Provide effective dust screen where a scaffolding is erected.Enclose the skip hoist.
Part II of Schedule Control Requirements for Regulatory Works
Renovation on Outer Surface of External Wall or Roof Provide dust screen where there is scaffolding.Enclose the skip hoist.Wet remaining dusty materials after removal and clear the road surface.
Road Opening Resurfacing Work Cover dusty material. Spray, remove / backfill / reinstate dusty materials within 24 hours.Dusty materials shall not be extended beyond pedestrian barriers, fencing or traffic cones.Any remaining dusty materials after removal shall be wetted and cleared from road surface.
Exemption Road construction work- exempt from hoarding requirement.
Road opening or resurfacing work- exempt from vehicle washing facilities and hoarding requirements.
- exempt from vehicle washing facilities requirement, and
- exempt from hoarding requirement if the site boundary adjoins road for vehicular traffic.
Where there is a threat to human life or building safety. Where there is a threat to human life or building safety.Immediate repair of utility services, road collapse or road blockage due to accidents.
Penalties
Tips to Reduce Dust Emission Include the plan and budget of implementation of dust control measures in the tender.Arrange delivery of dust suppression materials and equipment to site at an early stage. Ensure good communication between frontline workers and management staff.Promote staff awareness on dust control measures.Supervise frontline workers.
Environmental Protection Department
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