Operational aspects Operational aspects Operational aspects Operational aspects Operational aspects Operational aspects Leachate Leachate
18 18
45 45
20.3 Operational aspects 20.3 Operational aspects
Daily cover Daily cover
Reduces attraction of birds and rodents Reduces attraction of birds and rodents
Reduces suitable habitat for vermin and flies Reduces suitable habitat for vermin and flies
Provides better surface for vehicles Provides better surface for vehicles
Reduces exposure to atmospheric conditions Reduces exposure to atmospheric conditions
Reduces wind-blown litter Reduces wind-blown litter
Reduces direct infiltration of water into the waste Reduces direct infiltration of water into the waste
19 19
45 45
20.3 Operational aspects 20.3 Operational aspects
Daily cover Daily cover
20 20
45 45
20.3 Operational aspects 20.3 Operational aspects
Planning supply of cover material Planning supply of cover material
Rarely a site can supply all soil material required for bunds, Rarely a site can supply all soil material required for bunds,
daily, temporary and final cover: check what is available daily, temporary and final cover: check what is available
Some waste materials contaminated soil, ashes, construction Some waste materials contaminated soil, ashes, construction
and demolition waste is suitable for daily cover: plan provisions and demolition waste is suitable for daily cover: plan provisions
for temporary storage for temporary storage
In case of deficit: plan a “borrow area” In case of deficit: plan a “borrow area”
21 21
45 45
20.4 Leachate 20.4 Leachate
Groundwater polution Groundwater polution
… …
is one of the major concerns in landfill design is one of the major concerns in landfill design
… …
is caused by leachate entering the subsoil is caused by leachate entering the subsoil
Quantity and quality of leachate depend upon local Quantity and quality of leachate depend upon local
climate, nature of wastes, and measures to prevent entry climate, nature of wastes, and measures to prevent entry
of rain into the waste of rain into the waste
22 22
45 45
20.4 Leachate 20.4 Leachate