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Assessing the levels of material wastage affected by sub-contracting relationships and projects types with their correlations

机译：评估受分包关系和项目类型及其相关性影响的材料浪费水平

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摘要

A significant amount of solid wastes are produced every year from construction and demolition activities, and construction wastes have become the major sources among them; the increasing generation of construction wastes has caused significant pollution to the environment and risen public concern. Therefore, the minimization of construction wastes has become a pressing issue in the Hong Kong construction industry. This paper investigates the generation of construction waste on site and their relations with prevailing subcontracting arrangements and projects types in Hong Kong. This investigation will lead to the identification of the major waste generation areas on construction sites. Nineteen construction projects are under in-depth interviews for collecting the relevant data and information for the analysis to the local construction industry. By using the findings of this research, four methods are proposed to mitigate the generation of wastes by reshaping the current practices of construction projects. These methods are: (ⅰ) development of cost-effective approach, (ⅱ) integrated waste minimization at the tender stage, (ⅲ) provision and motivation of waste reduction training, and (ⅳ) a waste control system as a part of site management functions.
机译：每年建筑和拆除活动产生大量固体废物，建筑废物已成为其中的主要来源。建筑废料产生的增加对环境造成了严重污染，并引起了公众的关注。因此，如何将建筑废物减至最少已成为香港建筑业的当务之急。本文研究了建筑废料的现场产生及其与香港主要分包安排和项目类型的关系。这项调查将确定建筑工地上主要的废物产生区域。正在对19个建筑项目进行深入采访，以收集相关数据和信息，以便对当地建筑业进行分析。通过利用这项研究的结果，提出了四种方法，通过重塑当前的建设项目实践来减少废物的产生。这些方法是：（ⅰ）制定具有成本效益的方法，（ⅱ）在招标阶段最大限度地减少废物，（ⅲ）提供和鼓励减少废物的培训，以及（ⅳ）作为现场管理一部分的废物控制系统功能。

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