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Environmental Protection Department
REDUCING CONSTRUCTION REDUCING CONSTRUCTION & DEMOLITION WASTE& DEMOLITION WASTE
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Environmental Protection Department
Needs to reduce C&D material The Waste Reduction Task Force for the
Construction Industry : Public fill management, construction
techniques, specifications and standards, and
education and training
WBTC, Trip-ticket system & WMP
Good waste reduction practice
Topics Covered:Topics Covered:
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Environmental Protection Department
e.g. rocks, concrete, asphalt, rubble, bricks, stones and earth
e.g. bamboo, plastic, timber, packaging waste and other organic material
Inert Material Non-inert Material
Public Fill (80%)
Construction and Demolition Waste (20%)
Waste from Construction Industry
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Environmental Protection Department
Mixed C&DMaterial
(6,410 tpd)
Public Fill(32,430 tpd)
Public Fill
C&DMaterial
(38,840 tpd)
C&D Waste
Public FillingArea
(32,430 tpd)
Landfill(6,410
tpd)
Courtesy of Mouchel Asia Limited
2001 2001 Daily “C&D Material” Daily “C&D Material” Arisings in Hong KongArisings in Hong Kong
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Environmental Protection Department
Construction & Demolition Waste
6,410 tpd(38%)
Municipal Solid Waste 9,300 tpd
(55%)
Special Waste1,110 tpd
(7%)
In 2001, 16,820 tonnes of solid waste were disposed of at landfills every day
Solid Waste Disposed at LandfillsSolid Waste Disposed at Landfills
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Environmental Protection Department
NENT Landfill(1995)
SENT Landfill(1994)
WENT Landfill(1993)
Strategic LandfillsStrategic Landfills
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Environmental Protection Department
Objectives
Promote waste minimisation and resource recovery
Prolong landfill life
Optimise waste management costs
Waste Reduction Framework Plan : Waste Reduction Framework Plan :
Launched in November 1998 Launched in November 1998
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Environmental Protection Department
Waste Reduction Task Forces
Waste Reduction Committee
Hotels
Airport Community
Private Housing SectorPublic Housing Sector
Government
Construction Industry
Recycling Trade
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Environmental Protection Department
Membership Professional bodies, academia, project
clients & developers, contractors, consulting engineers and government
Public Fill Management
Construction Techniques, Specifications and Standards
Education and Training
Waste Reduction Task Force for the Waste Reduction Task Force for the Construction IndustryConstruction Industry
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Environmental Protection Department
Use of public fill in reclamation
Public Fill Management
Expedite the planned reclamation projects
Maximise use of public fill in reclamations
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Environmental Protection Department
Optimise cut and fill
Excavated material stockpiled for reuse
Set up buffer storage area and ‘fill bank’
Excavated material stockpiled for reuse
Public Fill Management
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Environmental Protection Department
Construction Waste Recycling Facility at SENT landfill
Temporary sorting plant at TKO Area 137
Construction Waste Sorting and Recycling Facility
Public Filling Management
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Environmental Protection Department
Construction Techniques, SpecificationsConstruction Techniques, Specificationsand Standardsand Standards
Planning and DesignPrefabrication
Precast facade
Prefabricated struts
Off-site R-bar prefabrication
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Environmental Protection Department
Construction & ManagementSprayed plaster
Sprayed plaster equipment
Sprayed plaster
Construction Techniques, SpecificationsConstruction Techniques, Specificationsand Standardsand Standards
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Environmental Protection Department
Proper storage of building materials
On-site control of material by the headquarter using IT technology
Construction Techniques, SpecificationsConstruction Techniques, Specificationsand Standardsand StandardsConstruction & Management
Material management
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Environmental Protection Department
Construction Techniques, SpecificationsConstruction Techniques, Specificationsand Standardsand Standards
Waste paper collection trolley
Construction & ManagementWaste sorting
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Environmental Protection Department
Waste generated from traditional insulated pipe installation
Traditional insulated pipe installation
Construction Techniques, SpecificationsConstruction Techniques, Specificationsand Standardsand StandardsConstruction & Management
Traditional construction technique
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Environmental Protection Department
Fabricated insulated air duct
Jointing by injection foaming
Pre-insulated pipe
Construction Techniques, SpecificationsConstruction Techniques, Specificationsand Standardsand StandardsConstruction & Management
Low waste construction technique
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Environmental Protection Department
System formwork
Construction Techniques, SpecificationsConstruction Techniques, Specificationsand Standardsand StandardsConstruction & Management
Metal formwork
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Environmental Protection Department
Aluminum formwork
Construction Techniques, SpecificationsConstruction Techniques, Specificationsand Standardsand StandardsConstruction & Management
Metal formwork
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Environmental Protection Department
其他措施循環顆粒材料用作填料 ;粒料用作混凝土材 料用途
Construction Techniques, SpecificationsConstruction Techniques, Specificationsand Standardsand Standards Other measures
Reuse debris, rubble, sand, rocks, concrete, tiles and bricks for backfilling; recycled aggregate used for concrete manufacturing
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Environmental Protection Department
Target Developers / Manager
Professional (Architects, engineers, etc.)
Technicians
Workers
Education and TrainingEducation and Training
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Environmental Protection Department
Works Bureau Technical Circulars Works Bureau Technical Circulars C&D material Management
Specification Allowing the Use of Recycled inert Construction and Demolition MaterialWBTC No. 31/2000
WBTC No. 2/93 & 93A Public Dumps
WBTC No. 2/93B Public Filling Facilities
WBTC No.14/94 Use of PFA as General Fill in Reclamation
WBTC No. 2/97 Use of PFA in Concrete Pile Caps and Substructures
WBTC No. 4/98 Use of Public Fill in Reclamation and Earth Filling Projects
WBTC No. 5/98 On-site Sorting of Construction Waste on Demolition Sites
WBTC No. 5/99 Trip-ticket System for Disposal of Construction and Demolition Material
WBTC No. 5/99A Trip-ticket System for Disposal of Construction and Demolition Material
WBTC No. 19/99 Metallic Site Hoardings and Signboards
WBTC No. 25/99 Incorporation of Information on Construction and Demolition Material Management in Public Works Subcommittee Papers
WBTC No. 25/99A Incorporation of Information on Construction and Demolition Material Management in Public Works Subcommittee Papers (Amendment 1)
WBTC No.12/2000 Fill Management
Waste Management PlanWBTC No. 29/2000
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Environmental Protection Department
ApplicationPublic fill :Secretary of Public Fill Committee(CED)Generate not more than 100,000 cum: exempted
C&D waste : PEPO ofFacilities Management Group/EPDGenerate not more than 50 cum: exempted
Trip Ticket : WBTC no.5/99
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Environmental Protection DepartmentA Sample Trip Ticket
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Environmental Protection Department
Types, quantities and qualities of wastes Timing of waste arising Measures for reducing waste generation On-site waste sorting On-site and off-site reuse Areas for waste storage Quantities of wastes requiring off-site disposal Disposal outlets Monitoring and auditing program
e.g. trip-ticket system etc. Organisation structure for waste management
Key Requirements ofKey Requirements of Waste Management Plan Waste Management Plan
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Environmental Protection Department
Site Practice for Waste ReductionSite Practice for Waste Reduction
Construction material management
On site waste sorting
Reuse and recycle
Final disposal
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Environmental Protection Department
Order the right amount of raw material at the right time
Store material in allocated area with suitable protective measures
Collect the exact amount of materials and return the surplus to stock
Maximise the utilisation of materials
Avoid unnecessary use and cutting
Consider offcuts for sections when small lengths are required
Construction material managementConstruction material management
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Environmental Protection Department
On site waste sortingOn site waste sorting
Sort and segregate inert and non-inert materials
Sort and segregate materials such as paper, plastic, timber, metals, masonry, concrete and excavated spoil
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Environmental Protection Department
Reuse and recycleReuse and recycle
Balance cut and fill in site
Reuse items such as hoardings, formworks, scaffoldings and trench support
Reuse debris, rubble, sand, rock, concrete, tile and brick for backfilling
Recycle the following materials:
paper, paperboard, packaging material, plastics, timber, metals, concrete, rocks & sand.
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Environmental Protection Department
Final DisposalFinal Disposal
Reuse public fill at public filling areas for reclamation
Dispose of non-recyclable C&D waste at landfills
Adopt trip-ticket system to avoid fly-tipping and to ensure waste is disposed of properly.
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Environmental Protection Department
The Recycling Hotline
Tel: Tel: 2755 2750
Website:
http://www.info.gov.hk/epd/waste/cdm
Statistics on waste recycling
Lists of local recyclable material collectors and recyclers
Information leaflets and guidance materials
videos, posters and leaflet etc.
Technical Support from EPDTechnical Support from EPD