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Soild Waste Management

• Solid Waste
• Best Practices
• Manpower
• Media And Communication
• Infrastructures Created
• Manual Scavengers List
• Manual Scavengers Survey Form

Soid Waste Management Department:

       Headed by a Superintending Engineer, the department looks after clearance and management of solid waste which is a major responsibility of the Corporation. Every day around 5400 MT of garbage is collected from the city. Night conservancy is also being carried out in all bus route roads and Markets / commercial areas of the city. Door to door collection of garbage is done in all zones.

Generation

Waste Generation by Category

Solid Waste

Primary Collection

• Fully with Manpower
• Conservancy Operation 6.30 am to 1.30 p.m.
• For compactors and tricycles from 6.30 a.m to 1.30 p.m.
• Night Conservancy between 9.00 pm to 2.00 a.m.
• Night Sweeping also done with mechanical Sweeper in Bus Route Roads / Main roads.
• Each worker has been assigned with work schedule

Equipments Used

Transfer Stations

Waste Disposal
At present Garbage generated in Chennai is dumping at two land fill sites and construction and demolition waste is being used for covering each layer of garbage in two dump sites.
           For remediation of the existing Landfill or scientific closure and to have the Integrated waste processing facilities with waste to energy plant as component at the existing Kodungaiyur and Perungudi dump sites, the Transaction Advisory Consultant have prepared DFR and sent for approval of the competent Authority and simultaneously the RFP documents are under preparation.   
Number of Disposal Sites : Two (Kodungaiyur and Perungudi)

Dumping Ground:
Kodungaiyur

Best Practices

Collection of Solid Waste at Source
           Collection of Municipal Solid Waste at source (Door to door collection) has been implemented in all Zones. About 95% of the households were covered under this programme.
           This has been achieved only on introduction of Tricycles which stands as a wonder tool for better collection of MSW at door steps. Now about 5400 Tricycles are in use for reduction of dust bins on road side.

Source Collection

           Source separation is promoted to reduce the waste coming to the Landfill, thereby increasing the life time of the Landfills.
           The bio-degradable waste (Organic Waste) is being composted in a decentralized manner at ward level by Ordinary and Vermi compost plants and Bio methanation plants and manure used for GCC parks and greeneries besides open sale to public also.
           Source separated thin plastics are subjected to shredding in all units / zones and it has been used for laying Bituminous road laying. The source Separated non biodegradable (Dry Waste) collected on every Wednesdays for recycling.

Media And Communication

Manpower

Infrastructures Created

• Modern Transfer Stations constructed at Zone-IV,V,VI, VIII, IX, X and XIII at a cost of Rs.14.00 Crores.
• Cement concrete roads laid to a length of about 2.225 K.m for the passage of vehicles for disposal of garbage at Kodungaiyur Dumping ground at a cost of Rs.5.25 Crores.
• Cement concrete roads laid to a length of about 3.25 km at Perungudi dump site at a cost of Rs. 6.0 Crores.
• Centre Median for a length of 500 m is constructed in Kodungaiyur Dump site.
• High pressure fire pump with nozzle  – 1 no and 12 nos of Sintex Tanks are provided at Kodungaiyur Dump site.
• High mast lights 2 nos are installed in Kodungaiyur Dump site.
• Weigh bridge – 1 no constructed at a cost of Rs. 38.00 Lakhs at Kodungaiyur Dump site.
• Constructed Weigh Bridge – 3 nos at a cost of Rs. 60.66 Lakhs at Perungudi dump site.
• Watch Tower – 7 nos were installed at Kodungaiyur Dump site.
• Constructed compound wall of 2.4 km Length from south entrance gate to radial road entrance gate at Perungudi Dump site.
• Construction of Compound Wall (4.5 km) at Kodungaiyur dumping ground has been completed at a cost of Rs.4.00 Crores.
• Surveillance cameras were fixed at Koundugaiyur - 4 nos and at Perungudi - 12 Nos Dumping Grounds for monitoring the activities from the Headquarters.
• Provided 49 nos of street lights at a cost of Rs. 30.25 Lakhs at Perungudi Dump site.
• All open garbage collection Lorries were replaced by compactor vehicles for the transportation of garbage in a covered manner at the same time reducing the garbage in its volume by compacting them at a cost of Rs.42.00 crores.
• Procured 47 Nos. of Shredding Machines in zones-1 to 15 for shredding thin plastics carry bags below 50 micron and shredded plastics are being used for bituminous road laying.
• Five Waste to Energy plants using BARC technology are being operated with the total feeding capacity of 8.80 MT of bio-degradable waste. 54 kwh per day of electrical energy is generated and used for street lights and high mast lights. Further construction of two waste to Energy plant at Perambur slaughter house is under progress.

Decentralized compost plants

Type of Plant	No. of Plants	Designed Capacity in MT/day
Ordinary Compost	136	142.37
Vermi-Compost	2	3.20
Bio-Gas	23	8.94
Bio – Electrical  (BARC Technology)	5	11.50

 

New Proposals

• Collection and Transportation of Solid waste in zones 1, 2, 3 and 7 (Package-1) through PPP mode.
• Collection and Transportation of Solid waste in zones 11, 12, 14 and 15 (Package-2) through PPP mode.
• Remediation / Reclamation & Rehabilitation of the dump site at Kodungaiyur for Zones 1 to 8 - (Package-III A).
• Waste to energy processing plant in existing dump site at Kodungaiyur for Zones 1 to 8 (Package -IIIB).
• Remediation/Reclamation & Rehabilitation of the dump site at Perungudi for Zones 9 to 15 (Package –IVA).
• Waste to energy processing plant in existing dump site at Perungudi for Zones 9 to 15 (Package – IVB).
• Collection & Transportation of Construction and Demolition waste to Kodungaiyur from Zones 1 to 8 and Perungudi from Zones 9 to 15.
  • The above proposals are under various stages of approval for implementation.