Pavement / Groundwater pollution due to contaminated Minimize collection of water and Carriageway surfacing surface runoff/ migration of spills/leaks from mud, where possible, to execute road (laying of improperly stored lubricants and construction rehabilitation works during dry season mixtures, wastes Mitigate run-off velocities and laying Groundwater pollution due to leaks from volumes/ design outfalls properly slabs, etc.) hauling vehicles during transportation/ To prevent leaks/spills during Use of hazardous loading-unloading transportation/ loading-unloading of materials, such as Groundwater pollution by bitumen spills constructional materials Increased siltation potential/ sediment runoff Stockpiles of constructional materials ones, into downland waterways (if any) due to should be covered with fabric or other bitumen, etc./ spraying modifications of drainage patterns materials to prevent/ mitigate of bitumen Groundwater pollution by spills from road contaminated runoff Heavy machinery accidents of vehicles used for construction To provide proper stockpiling of and equipment Disturbance to underground water table due to constructional materials and disposals of operation use of heavy machinery hazardous wastes/ avoid stockpiling on the Traffic of Increased pressure on water resources due to slopes or near waterways, if any/ construction vehicles, additional water use for road maintenance contaminated run-off from stockpiles machinery, etc./ works should be drained into ditches with oil hauling of Groundwater pollution by compounds of traps facilities constructional wastes produced by infrastructure connected Ideally, excavate cutoff ditches materials such as with accommodation facilities during road around stockpiles to prevent materials bitumen, borrow rehabilitation/ improper sewage facilitates from washed away by surface runoff/ materials, arrange interception ditches to prevent mixtures, muddy water to reach waterways (if any) concrete, All lubricants and engine oils should slabs, gravel, be collected and recycled or disposed off etc.) site To avoid loss of vegetation during of road road rehabilitation works drainage system To clean up the area after the (drainage channels, construction work is completed chutes, etc.)
Pavement / Carriageway surfacing (laying of mixtures, laying slabs, etc.) Use of hazardous materials, such as ones, bitumen, etc./ spraying of bitumen Heavy machinery and equipment operation Traffic of construction vehicles, machinery, etc./ hauling of constructional materials such as bitumen, borrow materials, mixtures, concrete, slabs, gravel, etc.) of road drainage system (drainage channels, chutes, etc.) Groundwater pollution due to contaminated surface runoff/ migration of spills/leaks from improperly stored lubricants and construction wastes Groundwater pollution due to leaks from hauling vehicles during transportation/ loading-unloading Groundwater pollution by bitumen spills Increased siltation potential/ sediment runoff into downland waterways (if any) due to modifications of drainage patterns Groundwater pollution by spills from road accidents of vehicles used for construction Disturbance to underground water table due to use of heavy machinery Increased pressure on water resources due to additional water use for road maintenance works Groundwater pollution by compounds of wastes produced by infrastructure connected with accommodation facilities during road rehabilitation/ improper sewage facilitates Minimize collection of water and mud, where possible, to execute road rehabilitation works during dry season Mitigate run-off velocities and volumes/ design outfalls properly To prevent leaks/spills during transportation/ loading-unloading of constructional materials Stockpiles of constructional materials should be covered with fabric or other materials to prevent/ mitigate contaminated runoff To provide proper stockpiling of constructional materials and disposals of hazardous wastes/ avoid stockpiling on the slopes or near waterways, if any/ contaminated run-off from stockpiles should be drained into ditches with oil traps facilities Ideally, excavate cutoff ditches around stockpiles to prevent materials from washed away by surface runoff/ arrange interception ditches to prevent muddy water to reach waterways (if any) All lubricants and engine oils should be collected and recycled or disposed off site To avoid loss of vegetation during road rehabilitation works To clean up the area after the construction work is completed
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