Air pollution due to construction

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  1. A presentation On AIR POLLUTION DUE T0 CONSTRUCTION Presented by- Rahul chaudhary B. Tech, C E(4th year) Roll- 1436000096 Submitted to : Department of Civil Engg. G I…
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  • 1. A presentation On AIR POLLUTION DUE T0 CONSTRUCTION Presented by- Rahul chaudhary B. Tech, C E(4th year) Roll- 1436000096 Submitted to : Department of Civil Engg. G I T M Lucknow
  • 2. Air pollution is a change in the physical, chemical and biological characteristic of air that causes adverse effects on humans and other organisms. The ultimate result is a change in the natural environment and/or ecosystem. What is Air Pollution?
  • 3. Types of Air Pollutants: Major primary pollutants produced by human activity include: i. Sulphur oxides (SOx) ii. Nitrogen oxides (NOx) iii. Carbon monoxide iv. Carbon dioxide (CO2) v.Volatile organic compounds
  • 4. Secondary pollutants include: 1) Smog 2) Ground level ozone (O3) 3) Peroxyacetyl nitrate (PAN)
  • 5. Pollution due to Construction
  • 6. Prevention of environment From the constructional pollution Loading, Unloading or Transfer of Dusty Materials Wet dusty materials with water spraying prior to operation.
  • 7.  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. Transfer of Dusty Materials with a Belt Conveyor System Transfer point enclosed
  • 8. Drilling, Cutting & Polishing, etc  Spray surface continuously with water.  Equip with effective dust extraction and filtering device.
  • 9. 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.
  • 10. Construction of the Superstructure of Building  Provide effective dust screen where a scaffolding is erected.  Enclose the skip hoist.
  • 11. THANK S
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