This document is a presentation on air pollution due to construction. It discusses the types of primary and secondary air pollutants produced by human activity, with a focus on those resulting from construction processes. These include sulfur oxides, nitrogen oxides, carbon monoxide, carbon dioxide, and volatile organic compounds from primary sources, and smog, ground-level ozone, and peroxyacetyl nitrate from secondary sources. The presentation then outlines several prevention methods to reduce air pollution from construction activities, such as wetting dusty materials, enclosing conveyor belts and transfer points, using water sprays during drilling and cutting, wetting areas before blasting, and enclosing skip hoists.

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?

4. 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

5. Secondary pollutants include:
1) Smog
2) Ground level ozone (O3)
3) Peroxyacetyl nitrate (PAN)

6. Pollution due to Construction

7. Prevention of environment
From the constructional pollution
Loading, Unloading or Transfer of
Dusty Materials
Wet dusty materials with water spraying prior
to operation.

8.  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

9. Drilling, Cutting & Polishing, etc
 Spray surface
continuously with water.
 Equip with effective dust
extraction and filtering
device.

10. 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.

11. Construction of the
Superstructure of Building
 Provide
effective dust
screen where a
scaffolding is
erected.
 Enclose the
skip hoist.

12. THANK
S