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Concept Note - 2 - Solid and Hazardous Waste
 

A note for Urban Local Bodies/municipalities

Integrated Municipal Solid waste Management

A piecemeal approach and segmented work for the integrated Municipal Solid waste management is a necessity for its sustainability.

The total projects can be divided into two broad categories:

1. Waste Collection and transportation
2. Waste Processing and Disposal

1. Waste Collection and transportation :

This component includes:
a) source segregation- primary segregation, IEC activity
b) Door to door collection and rag-pickers rehabilitation
c) Storage: transfer stations or direct in vehicles in bin-less planning, or in bins.
d) Transportation –Mechanized and technology managed.

Key Points:

• Generally ULBs/Municipalities are experienced, have trained work force and staff for this. There will be clash of interests in transition including labor unrest. This needs to be synchronized by city managers. Preferably O & M tenders should be separate, with NGOs, local peoples and organizations. Mostly councilors are contractors currently.

• Source segregation right at the kitchen level had to be done with door to door waste collection to harness the waste properly for its suitable management & treatment. The aggressive Information and Education campaign ( IEC)is a must to be part of scope.

• The green waste and the construction waste, which has to be in the scope of the work of O & M operators, is a necessity for their accountability and cleanliness.

• The road sweeping and drain cleaning, which also has to be in the scope of the work of O & M operators, is also a necessity for their accountability and cleanliness.

• The bin less concept should preferably be introduced with waste to be put directly in vehicles instead of in dhalaos/transfer stations etc.

• The littering of the waste in the vicinity of the town should be stopped by law and law enforcing agencies. On the lines of the Bombay municipal corporation private security agencies can be hired for monitoring and imposing penalties.

• System designing and integration has to be with waste processing facility designers and operators.


2. .Waste Processing and Disposal

This component includes

1, Waste storages and segregation systems
2. Compost unit with or without vermiculture
3. Refuse Derived Fuel (RDF) unit with or without power generation unit.
4. Engineered sanitary Landfill remediable after 25 years
5. Remediation of old waste land dumps and recycling facilities.

Key Points:

• Not many companies has full expertise in this segment of business, so any one activity with proper financial capability and experience of executing these sizes of projects has to be primary qualification criteria. This will get more bidders and at better costs.

• Systems have to be hi-tech, well integrated with current IT technologies.

• This processing has links with carbon emission reduction, and has to be incorporated. The advantage should be shared.

• The recycling process components which are not original concepts can be asked as additional capabilities and be part of qualifying criteria in technical evaluation and negotiations.

• Engineered sanitary landfills are highly technical work, need expertise and experience. The material usages has to be ensured and properly monitored by experts.

• The waste processing units should insure only10 to 20% waste in landfill and the life of 20 years and post closure maintenance of 10 years and then remediation should be a considering point.

• Old waste Land dumps are a big eyesores in the city landscapes and waste of these dumps keeps releasing toxic landfill gases in the air and leachate in water bodies. These are always hazardous for city life. The operators be permitted to process the recyclables, biodegradable and inert waste as safe soil supplement.
 

 

 

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