Waste reduction in Building Construction in Hong Kong
Problems facing in HK
Public filling areas and land fill space will be exhausted by 2008
consume large amount of building materials
causes
limited space
expensive land price
rapid development rate
Produces large quantities of building waste
Construction industry in HK
Labour intensive
rely on in-situ constrcution methods
use of timber formworks
Huge amount of wet trades
qulity is depends on the skill of workers
dangerous
highest level of accident injuries and fatalities
poluting
suggestions
using modern construction methods and information technology
wider adoption of prefabrication
solutions
minimise construction waste
promoting the reuse and recycling of construction waste
encouraging green building techology
Sustainable Construction
Resource conservation
waste reduction
encouraging prefabrication
adopted in public construction but not private sector
impovements
quality control
construction time
tidiness
labor requirement
working enviroment
definition
Prefabrication is a manufacturing process, various materials are joined to form a component part of the final installation
prevent off-cuts materials
solution to reduce construction waste
pre-designed process
difficulties
much costly
difficult to estimate the impact on waste reduction
Government achievements in HK
Actions taken
Implementing policy
incentive schemes for Gross Floor Area exemptions
construction waste disposal charging
preparation of waste management plans
promotion
the use of recycled aggregates
Achievements
30% reduction of construction waste disposed