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Reuse of Construction & Demolition waste
1
Contents:
oMission
oVision
oObjective
oIntroduction
oComposition of MSW
oComposition of construction & demolition waste
oSummary
oReference
2
Vision
– A sustainable world where our natural environment is preserved.
Mission
– To reduce waste materials to their highest and best use.
Objective
– To encourage the recycling and reuse of C&D debris.
3
INTRODUCTION
o Construction waste recycling is the separation and recycling of
recoverable waste materials generated during construction and
Demolition (C & D).
o C&D waste in India in 2010 may be estimated as 24 million
tones.
4
Composition of MSW Mixed Residue
1.1%
Paper
21%
Glass
2.3%
Metal
8%
Electronics
1.2%
Plastic
9.5%Construction &
Demolition
21.7%
Organic
30.2%
Household
Hazardous
0.2%
Special
Waste
5%
Waste materials %
Mixed Residue 1.1
Paper 21
Glass 2.3
Metal 7.7
Electronics 1.2
Plastic 9.5
Construction & Demolition 21.7
Organic 30.2
Household Hazardous 0.2
Special Waste 5.1
5
Composition of Construction & Demolition waste
6
35%
2%
5%
30%
2%
25%
1%
0%
5%
10%
15%
20%
25%
30%
35%
40%
Soil,sand Wood Metal Brick &
measonary
Bitumen Concrete Other
%
WASTE MATERIAL
Sl. No. Type %
1 New Construction 10
2 Renovation 40
3 Demolition 50
New
Construction
10%
Renovation
40%
Demolition
50%
7
Waste generated from construction industry
Inert material
Rocks, Concrete, Bricks, Stone, Earth.
Non inert material
Plastic, Packaging waste, Paint.
On site waste sorting
• segregate inert and non-inert materials
• segregate materials such as Paper, plastic, timber, metals, masonry, concrete
and excavated soil
8
Benefits of reducing of Concrete waste
– Reduce cost of aggregates
– Reduce disposal cost
– Environmental degradation prevented
– Reduce consumption of natural resources
– Life span of landfill area will increase
Concrete
Concrete is a mixture of sand, cement, aggregate, water, & admixtures
9
Grand Coulee Dam
10
Stone/Marbles
How the waste is generated ?
The stone/marble which came from the quarry was not of a perfect size
and shape which is likely to be used in work, so we have to cut the
stone/marble in desired shape and size as per our requirement. After
cutting the excess portion has no further use hence waste is generated .
11
Reuse of the waste
oIn most cases the stone waste is used as filler material in road construction.
oThe marble waste sometimes used in terrazzo flooring.
oIf there is no reuse of stones/marbles they are dumped/sell to other agencies.
12
Timber
How the Waste is generated?
•Timber is generally used as framework for building concrete structures,
with passage of time it become soft due to contact with moisture of
concrete.
13
14
Reuse of the waste
oIt is mostly crushed into chip & used as fuel.
oIt can be utilized to manufacture wood-chip concrete by injecting
cement grout into voids of compacted wood-chips in moulds.
oWood-chip concrete can be used as building material.
15
Sand
How the waste is generated ?
o The sand which came from the quarry was not of a perfect size which is
likely to be used in work, so we have to sieve as per our requirement.
o After sieving the remaining sand has no further use hence waste is
generated.
16
Steel
How steel waste generate ?
o Most of steel waste is generated during demolition, around 70% to
80% of all steel waste.
o Due to corrosion.
o Waste in terms of bent Nail.
o Small Pieces of G.I. pipes.
17
18
Brick
How waste generate?
o The Brick Waste is generated in the form of Bats and Small Pieces
o While loading from the manufacturing unit to the unloading at the Site,
there is possibility where the Bricks get broken and turn into bats and
the small pieces
19
20
Plastic
How plastic waste Generate?
• Cement bag
• Cover material for flooring
• Pieces of pipe.
P.O.P
How P.O.P waste generate?
• During ceiling work.
Ceramic
How it generate?
• During transport .
Reuse of plastic waste
• Joint the plastic bags of cement & use as
curtain for protection of neighbour property.
Reuse of P.O.P waste
• It only use as filler.
Reuse of it
• For flooring of terrace as a china mosaic.
21
22
Summary:
o It has been established that materials & components from demolished
buildings are being reused for new construction works as well as
renovation projects, especially by low-income communities in developing
countries like India.
o In developing countries most of the demolition rubble is dumped, the
developed world has now started to recycle it into aggregate for non-
structural concrete.
23
o Reducing consumption of natural resources like energy & reduces
usage of landfills.
24
25
IL & FS in New Delhi video
REFERENCES
•Vilas and Guilberto (2007). “Construction and Demolition Waste Management: Current Practices in Asia.” International
Conference on Sustainable Solid Waste Management, Chennai, India.
•Shukla, G. (2008). www.brandfaqs.blogspot.com/2008/05/Dubai Registers-163-Percent-Growth-In.html.
•Government of India (2007). “11th Five Years Plan (2007-2012).” Planning commission, India.
www.planningcommission.nic.in/Plans/Planrel/Fiveyr.
•Market research. (2006). “Construction Materials in India.” www.internationalbusinessstrategies.com.
•TIFAC, Ed. (2000). “Utilization of Waste from Construction Industry.” Department of Science & Technology, New Delhi.
•Laskar, A. and Murty, C.V.R. (2004).
“Challenges before Construction Industry in India.” www.iitk.ac.in/Nicee/Rp/2004_Challenges_
Construction_Industry_Proceedings.Pdf.
•Government of India (2002). “10th Five Years Plan (2002-2007).” Planning commission, India.
www.planningcommission.nic.in/Plans/Pla nrel/Fiveyr/10th/Volume2/V2_Ch7_7.Pdf.
•Wildermuth, B. (2008). “India - A Building
Industry in Transition.” Construct 06.2008: 21-28.
•Ministry of Environment and Forest (MOEF).(2000). www.envfor.nic.in/legis/hsm/mswmhr.html.
• Pappu, A., M. Saxena, et al. (2007). “Solid Wastes Generation in India and their Recycling Potential in Building
Materials.” Building and Environment 42:
2311-2320.
• Singhal S. and Pandey S. (2001). “Solid Waste Management in India: Status and Future Directions.” TERI Information
Monitor on Environmental Science 6(1), 1-4.
• Chini, A. and Bruening, S. (2005). “Deconstruction and Materials Reuse in the United States.” A. Chini Editor,
International Council for Research and Innovation in Building Construction (CIB), Publication 300. 26
27

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Construction and demolition waste in India

  • 1. Reuse of Construction & Demolition waste 1
  • 2. Contents: oMission oVision oObjective oIntroduction oComposition of MSW oComposition of construction & demolition waste oSummary oReference 2
  • 3. Vision – A sustainable world where our natural environment is preserved. Mission – To reduce waste materials to their highest and best use. Objective – To encourage the recycling and reuse of C&D debris. 3
  • 4. INTRODUCTION o Construction waste recycling is the separation and recycling of recoverable waste materials generated during construction and Demolition (C & D). o C&D waste in India in 2010 may be estimated as 24 million tones. 4
  • 5. Composition of MSW Mixed Residue 1.1% Paper 21% Glass 2.3% Metal 8% Electronics 1.2% Plastic 9.5%Construction & Demolition 21.7% Organic 30.2% Household Hazardous 0.2% Special Waste 5% Waste materials % Mixed Residue 1.1 Paper 21 Glass 2.3 Metal 7.7 Electronics 1.2 Plastic 9.5 Construction & Demolition 21.7 Organic 30.2 Household Hazardous 0.2 Special Waste 5.1 5
  • 6. Composition of Construction & Demolition waste 6 35% 2% 5% 30% 2% 25% 1% 0% 5% 10% 15% 20% 25% 30% 35% 40% Soil,sand Wood Metal Brick & measonary Bitumen Concrete Other % WASTE MATERIAL
  • 7. Sl. No. Type % 1 New Construction 10 2 Renovation 40 3 Demolition 50 New Construction 10% Renovation 40% Demolition 50% 7
  • 8. Waste generated from construction industry Inert material Rocks, Concrete, Bricks, Stone, Earth. Non inert material Plastic, Packaging waste, Paint. On site waste sorting • segregate inert and non-inert materials • segregate materials such as Paper, plastic, timber, metals, masonry, concrete and excavated soil 8
  • 9. Benefits of reducing of Concrete waste – Reduce cost of aggregates – Reduce disposal cost – Environmental degradation prevented – Reduce consumption of natural resources – Life span of landfill area will increase Concrete Concrete is a mixture of sand, cement, aggregate, water, & admixtures 9
  • 11. Stone/Marbles How the waste is generated ? The stone/marble which came from the quarry was not of a perfect size and shape which is likely to be used in work, so we have to cut the stone/marble in desired shape and size as per our requirement. After cutting the excess portion has no further use hence waste is generated . 11
  • 12. Reuse of the waste oIn most cases the stone waste is used as filler material in road construction. oThe marble waste sometimes used in terrazzo flooring. oIf there is no reuse of stones/marbles they are dumped/sell to other agencies. 12
  • 13. Timber How the Waste is generated? •Timber is generally used as framework for building concrete structures, with passage of time it become soft due to contact with moisture of concrete. 13
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  • 15. Reuse of the waste oIt is mostly crushed into chip & used as fuel. oIt can be utilized to manufacture wood-chip concrete by injecting cement grout into voids of compacted wood-chips in moulds. oWood-chip concrete can be used as building material. 15
  • 16. Sand How the waste is generated ? o The sand which came from the quarry was not of a perfect size which is likely to be used in work, so we have to sieve as per our requirement. o After sieving the remaining sand has no further use hence waste is generated. 16
  • 17. Steel How steel waste generate ? o Most of steel waste is generated during demolition, around 70% to 80% of all steel waste. o Due to corrosion. o Waste in terms of bent Nail. o Small Pieces of G.I. pipes. 17
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  • 19. Brick How waste generate? o The Brick Waste is generated in the form of Bats and Small Pieces o While loading from the manufacturing unit to the unloading at the Site, there is possibility where the Bricks get broken and turn into bats and the small pieces 19
  • 20. 20
  • 21. Plastic How plastic waste Generate? • Cement bag • Cover material for flooring • Pieces of pipe. P.O.P How P.O.P waste generate? • During ceiling work. Ceramic How it generate? • During transport . Reuse of plastic waste • Joint the plastic bags of cement & use as curtain for protection of neighbour property. Reuse of P.O.P waste • It only use as filler. Reuse of it • For flooring of terrace as a china mosaic. 21
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  • 23. Summary: o It has been established that materials & components from demolished buildings are being reused for new construction works as well as renovation projects, especially by low-income communities in developing countries like India. o In developing countries most of the demolition rubble is dumped, the developed world has now started to recycle it into aggregate for non- structural concrete. 23
  • 24. o Reducing consumption of natural resources like energy & reduces usage of landfills. 24
  • 25. 25 IL & FS in New Delhi video
  • 26. REFERENCES •Vilas and Guilberto (2007). “Construction and Demolition Waste Management: Current Practices in Asia.” International Conference on Sustainable Solid Waste Management, Chennai, India. •Shukla, G. (2008). www.brandfaqs.blogspot.com/2008/05/Dubai Registers-163-Percent-Growth-In.html. •Government of India (2007). “11th Five Years Plan (2007-2012).” Planning commission, India. www.planningcommission.nic.in/Plans/Planrel/Fiveyr. •Market research. (2006). “Construction Materials in India.” www.internationalbusinessstrategies.com. •TIFAC, Ed. (2000). “Utilization of Waste from Construction Industry.” Department of Science & Technology, New Delhi. •Laskar, A. and Murty, C.V.R. (2004). “Challenges before Construction Industry in India.” www.iitk.ac.in/Nicee/Rp/2004_Challenges_ Construction_Industry_Proceedings.Pdf. •Government of India (2002). “10th Five Years Plan (2002-2007).” Planning commission, India. www.planningcommission.nic.in/Plans/Pla nrel/Fiveyr/10th/Volume2/V2_Ch7_7.Pdf. •Wildermuth, B. (2008). “India - A Building Industry in Transition.” Construct 06.2008: 21-28. •Ministry of Environment and Forest (MOEF).(2000). www.envfor.nic.in/legis/hsm/mswmhr.html. • Pappu, A., M. Saxena, et al. (2007). “Solid Wastes Generation in India and their Recycling Potential in Building Materials.” Building and Environment 42: 2311-2320. • Singhal S. and Pandey S. (2001). “Solid Waste Management in India: Status and Future Directions.” TERI Information Monitor on Environmental Science 6(1), 1-4. • Chini, A. and Bruening, S. (2005). “Deconstruction and Materials Reuse in the United States.” A. Chini Editor, International Council for Research and Innovation in Building Construction (CIB), Publication 300. 26
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