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