Environmental Protection Department REDUCING CONSTRUCTION DEMOLITION WASTE 20211220

Environmental Protection Department REDUCING CONSTRUCTION & DEMOLITION WASTE 2021/12/20 1

Environmental Protection Department Topics Covered: § 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 2021/12/20 2

Environmental Protection Department Waste from Construction Industry Inert Material Non-inert Material e. g. rocks, concrete, asphalt, rubble, bricks, stones and earth e. g. bamboo, plastic, timber, packaging waste and other organic material Public Fill (80%) Construction and Demolition Waste (20%) 2021/12/20 3

2001 Daily “C&D Material” Arisings in Hong Kong C&D Material Environmental Protection Department Public Filling Area Public Fill (32, 430 tpd) (38, 840 tpd) Mixed C&D Material (6, 410 tpd) Public Fill C&D Waste Landfill (6, 410 tpd) 2021/12/20 4 Courtesy of Mouchel Asia Limited

Environmental Protection Department Solid Waste Disposed at Landfills Municipal Solid Waste 9, 300 tpd (55%) Construction & Demolition Waste 6, 410 tpd (38%) Special Waste 1, 110 tpd (7%) In 2001, 16, 820 tonnes of solid waste were disposed of at landfills every day 2021/12/20 5

Strategic Landfills NENT Landfill (1995) Environmental Protection Department WENT Landfill (1993) SENT Landfill (1994) 2021/12/20 6

Environmental Protection Department Waste Reduction Framework Plan : Launched in November 1998 Objectives § Promote waste minimisation and resource recovery § Prolong landfill life § Optimise waste management costs 2021/12/20 7

Waste Reduction Committee Environmental Protection Department Waste Reduction Task Forces Public Housing Sector Private Housing Sector Government Hotels Airport Community Construction 2021/12/20 Industry Recycling Trade 8

Environmental Protection Department Waste Reduction Task Force for the Construction Industry § Membership § Professional bodies, academia, project clients & developers, contractors, consulting engineers and government § Public Fill Management § Construction Techniques, Specifications and Standards § Education and Training 2021/12/20 9

Environmental Protection Department Public Fill Management § Expedite the planned reclamation projects § Maximise use of public fill in reclamations Use of public fill in reclamation 2021/12/2010

Environmental Protection Department Public Fill Management § Optimise cut and fill § Excavated material stockpiled for reuse § Set up buffer storage area and ‘fill bank’ Excavated material stockpiled for reuse 2021/12/2011

Public Filling Management Environmental Protection Department §Construction Waste Sorting and Recycling Facility Temporary sorting plant at TKO Area 137 Construction Waste Recycling Facility at SENT landfill 2021/12/2012

Environmental Protection Department Construction Techniques, Specifications and Standards §Planning and Design §Prefabrication Precast facade Prefabricated struts 2021/12/2013 Off-site R-bar prefabrication

Environmental Protection Department Construction Techniques, Specifications and Standards Sprayed plaster § Construction & Management § Sprayed plaster equipment 2021/12/2014

Environmental Protection Department Construction Techniques, Specifications and Standards § Construction & Management § Material management Proper storage of building materials On-site control of material by the headquarter using IT technology 2021/12/2015

Environmental Protection Department Construction Techniques, Specifications and Standards § Construction & Management § Waste sorting Waste paper collection trolley 2021/12/2016

Environmental Protection Department Construction Techniques, Specifications and Standards § Construction & Management § Traditional construction technique Traditional installation insulated pipe Waste generated from traditional insulated pipe installation 2021/12/2017

Environmental Protection Department Construction Techniques, Specifications and Standards § Construction & Management § Low waste construction technique Pre-insulated pipe Jointing by injection foaming 2021/12/2018 Fabricated insulated air duct

Environmental Protection Department Construction Techniques, Specifications and Standards § Construction & Management § Metal formwork System formwork 2021/12/2019

Environmental Protection Department Construction Techniques, Specifications and Standards § Construction & Management § Metal formwork Aluminum formwork 2021/12/2020

Environmental Protection Department Construction Techniques, Specifications and Standards § Other measures § Reuse debris, rubble, sand, rocks, concrete, tiles and bricks for backfilling; recycled aggregate used for concrete manufacturing 2021/12/2021

Environmental Protection Department Education and Training § Target § Developers / Manager § Professional (Architects, engineers, etc. ) § Technicians § Workers 2021/12/2022

Works Bureau Technical Circulars C&D material Management Environmental Protection Department WBTC No. 2/93 & 93 A Public Dumps WBTC No. 2/93 B 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. 5/99 A 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. 25/99 A Incorporation of Information on Construction and Demolition Material Management in Public Works Subcommittee Papers (Amendment 1) WBTC No. 12/2000 Fill Management WBTC No. 29/2000 Waste Management Plan WBTC No. 31/2000 2021/12/2023 Specification Allowing the Use of Recycled inert Construction and Demolition Material

Trip Ticket : WBTC no. 5/99 Environmental Protection Department Application Public fill : Secretary of Public Fill Committee(CED) Generate not more than 100, 000 cum: exempted C&D waste : PEPO of Facilities Management Group/EPD Generate not more than 50 cum: exempted 2021/12/2024

A Sample Trip Ticket Environmental Protection Department 2021/12/2025

Key Requirements of Waste Management Plan 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 2021/12/2026

Environmental Protection Department Site Practice for Waste Reduction § Construction material management § On site waste sorting § Reuse and recycle § Final disposal 2021/12/2027

Environmental Protection Department Construction material management § 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 2021/12/2028

Environmental Protection Department On 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 2021/12/2029

Environmental Protection Department Reuse 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. 2021/12/2030

Environmental Protection Department Final 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. 2021/12/2031

Technical Support from EPD Environmental Protection Department § The Recycling Hotline 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. 2021/12/2032