Waste Management at Brigade Gateway (1254 Apartments)


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Problems, Economics and Initiatives to Waste Segreation at Source, and mass composting work in a large Apartment Complex in Bangalore. Presented by Madhu Rammoorthy, a Member of the Waste Management Team in Brigade Gateway.

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Waste Management at Brigade Gateway (1254 Apartments)

  1. 1. Waste Management at BrigadeGatewayAs presented in "Self-Sufficient Apartment Communities - An Open House".Conducted on 15-June-2013 by The Alternative and ApartmentADDA.
  2. 2. Overview• Brigade Gateway, located at Malleswaram West consists of1250 apartments.• Consists of 13 Blocks, each about 100 apartments each, and17 floors.• Occupied since 2010, and Occupancy level is 90%.• Has very little open land (despite the appearance) forexclusive use by residents for waste management.• Brigade Enterprises Ltd provided Garbage chutes in eachblock, chute rooms in the basements, and Organic WasteConverters.6/19/2013Brigade Gateway Residents Welfare Association, Bangalore2
  3. 3. Origins of Waste Management• A dedicated group of volunteers had a vision to set up asustainable waste management program in 2010, muchbefore BBMP directives began.• Started off with a pilot segregation at source campaign.• Gained ground, and within a year spread this campaign toinclude all residents.• Resistance to segregation from some quarters.6/19/2013 Brigade Gateway Residents Welfare Association, Bangalore 3
  4. 4. Segregation at Source• Reasons for resistance– Busy, do not have time to segregate– Why should we do it?– Talk to our maid, we do not touch garbage• Reaction of residents (isolated cases)– Dump mixed waste at lobby corners when no one is watching– Continue mixing waste despite notices– Resistance• Next steps– Groups of resident volunteers did door to door campaigns extensively.– Defaulters were served further notice– Finally, the last defaulters waste was not picked up as an example6/19/2013 Brigade Gateway Residents Welfare Association, Bangalore 4
  5. 5. Composition of Solid WasteBrigadeGateway, %Bangalore(Domestic)*BangaloreDumpsites**Organic 65 65 70Paper 14 8 11Plastic 9 6 9Glass 4 6 1Metal 1 3 0Miscellaneous 2 12 9Biomedical 6 ? ?* Bins (Rajabaphiah et al 1988) ** Found at Dumpsites (TIDE, 2000)6/19/2013 Brigade Gateway Residents Welfare Association, Bangalore 5
  6. 6. Composting at Brigade Gateway• Aerobic Composting using Organic Waste Converters (suppliedby Vennar Organics/Excel Industries)• OWC130 with a capacity of 50 kg/batch• Processing in garbage rooms in underground parking• Garbage collection in plastic wheeled bins• 14 day accelerated cycle• Wet waste + Saw Dust + Additives + Oxygen + Water == Compost6/19/2013 Brigade Gateway Residents Welfare Association, Bangalore 6
  7. 7. Problems with Composting• Mixed waste• Bones and other large pieces, no shredder. Scavenging.• Smell in Parking lot.• Technicalities of Composting process.• Storage spaces• Finding a sustainable market6/19/2013 Brigade Gateway Residents Welfare Association, Bangalore 7
  8. 8. Economics of Waste Management• Daily waste generated in Brigade Gateway– Wet (700 kg), Paper (145 kg), Plastic (93 kg), Metal (4 kg), Glass (38kg), Biomedical (67 kg)• Input costs –– Real Estate (Notional), Depreciation, AMC, Labour, Saw Dust, Gardenwaste, Additives, Power, Water, R&D• Depending on quality and type of customer, can fetchbetween Rs 1.3 to Rs 10/kg• Based on current rates and at 30% wet waste composting, weare losing money. With 100% composting, we forecast a netprofit.6/19/2013 Brigade Gateway Residents Welfare Association, Bangalore 8
  9. 9. Waste Management at a Community Level• Community participation key.• Residents apathy.• Benefits –– Feel good factor– Economics– Socially Responsible Community6/19/2013 Brigade Gateway Residents Welfare Association, Bangalore 9