Client:
The Hong Kong Housing Department
Waste Minimisation Measures Highlights:
Planning for waste reduction
- Implement Waste Management Plan in demolition and civil engineering projects and plan to reduce the use of timber
Low waste building designs and technologies
- Design for balance cut and fill
- Design for dimensionally coordinated modular flats
- Use of precast facades, staircases and semi-precast floor slabs
- Use of prefabricated door-sets, metal security gates and cooking benches
- Use of prefabricated kitchen and bathroom cabinets
- Use of precast and prefabricated external works items such as planters and street furniture
- Use of pulverized fuel ash in cement
- Use of metal moulds for precast items
- Use of metal large panel formwork and steel table formwork
- Installation of panel walls in lieu of blockwork
- Offer different fitting out packages to meet purchaser's requirements
Waste management:
- On-site sorting of construction waste in demolition and civil engineering projects
- Reuse of construction waste such as metal panels, large timber panels and surplus steel bars
- Reuse of rubble and concrete as hardcore and back-filling material in situ
- Implementation of trip-ticket system to ensure proper waste disposal at public filling areas and landfills
Outcomes:
- Shorter construction period per floor
- Over 859,200 metric tonnes of timber saved since the use of metal moulds for metal hoardings, precast staircases and facades, and large panel steel formwork in the Housing Authority
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