Hazard identification of development of building
...equires the use of an abrasive and water catching system during the cutting process. A localised increase in noise vibration, dust and dirt may be categorised as construction impacts. Silencers should be used on all jackhammers and compressors should be insulated against noise. Enclosures and barriers should be erected prior to construction work. During demolition and construction, nearby residents may be exposed to dust. Perimeter monitoring should be carried out to demonstrate compliance with the nuisance and dust standard. Surfaces and debris should be kept moist when they are being disturbed. Before sweeping or vacuuming, dust and debris should be misted with water to reduce airborne dust. Plastic sheeting should also be misted with water before handling to reduce dust. A rigorous clean up programme is necessary to keep airborne lead levels at or below permissible levels. Entrance and Access Point- Low Risk The entrance and Access point may be too narrow and may not be wide enough to accommodate all vehicles, especially during construction stage. Condition: For safety reasons, the roads should be wide enough to accommodate all vehicles to be used during the demolition i.e. the destruction of the temporary buildings on site, the construction phase and thereafter when being used for vehicles disposing of refuse from skips. The access road should also be maintained in proper condition at all times. Operational Factors. Security-High Risk Security should be provided, to prevent children or others entering the site for whatever purpose without authorization, giving potential to cause harm to themselves or equipment on the site. Condition: To ameliorate the risks of unauthorized entry, fencing should be erected to conceal the operation from local residents and passers-by. The site boundary fences should be cleaned regularly. Suitable landscaping should further the concealment. Leachate- High Risk This is caused by water passing through the waste and becoming contaminated with various organic and inorganic pollutants. The contents of the skips are very difficult to determine so there is a possibility that they could contain some chemical or even toxic waste. The Leachate should be captured in a sump to be treated off-site or it should be discharged in a sewer. This prevents the Leachate percolating through the water table and affecting the water supply. The amount of Leachate produced should be controlled by draining the surface water to a gully. Condition: The site should be drained so the surface water run off is led away from the exposed waste. There should also be the provision of systems for the collection, removal and treatment of Leachate. The Leachate should be monitored at regular intervals. Birds, Vermin and Flies- High Risk Such large amounts of miscellaneous waste in an area at any one time will inevitably attract birds vermin and flies. Condition: The waste should be treated on site by means of High Density Baling. This would reduce the volume of waster by six to one. It eliminates the problems of windblown materials and nuisances from birds, vermin or flies. Site operations are environmentally superior and are less offensive visually when untreated waste is being dealt with. Odour-High Risk. Due to the nature of the business, there is inevitability of bad odours from the refuse being disposed on the site. This could be due to substandard covering of waste, capping systems and gas collection systems. Condition: High Density Baling would reduce this problem also. It could be covered with a heavy duty plastic until it’s treated. Refuse Vehicles gathe...