1 Filtration layer 2 Main leachate collection layer 3 Protective layer 4 Main leaking protection layer 6 secondary leaking protection layer 5 secondary leachate collection layer 7 Protection layer 8】 8 bottom of the construction 9 underground waster collection layer
1 Filtration layer 2 Main leachate collection layer 3 Protective layer 4 Main leaking protection layer 5 secondary leachate collection layer 6 secondary leaking protection layer 8 bottom of the construction 9 underground waster collection layer 7 Protection layer
Purpose of cover Improves site appearance Minimises wind-blown litter Reduces landfill odours Inhibits colonisation by vermin vectors Reduces rainwater infiltration thus reducing leachate Controls gas and leachate migration Reduces soil erosion
TRP Chapter 6.6 17 Purpose of cover Improves site appearance Minimises wind-blown litter Reduces landfill odours Inhibits colonisation by vermin & vectors Reduces rainwater infiltration thus reducing leachate Controls gas and leachate migration Reduces soil erosion
Final cover Final cover myrst be: .durable .flexible Vegetation 派检松的版蒸入 Top cover Aims: ·to stabilise site Drainage layer ·improve its Clay layer appearance ·enable post- Cover closure use 日日日"Waste
Final cover Vegetation Top cover Drainage layer Clay layer Aims: • to stabilise site • improve its appearance • enable postclosure use Final cover must be: •durable •flexible •weather resistant •regularly inspected & maintained
Placement of waste Gas collection trench Q Typical waste cell
Placement of waste
Completed landfilling Landscaping Final cover Gas collection Typical waste cell trench 於© Liner 於7八入 Leachate collection
Completed landfilling