A Cost-Benefit Analysis on Construction and Demolition Waste Recycling Project in Hanoi of Vietnam: Economic, Social, and Environmental Assessment

2021 ◽  
pp. 1477-1485
Author(s):  
Kien T. Tong ◽  
Hung V. Nguyen ◽  
Han N. Hoang ◽  
Tan V. Tran ◽  
Tomonori Ishigaki ◽  
...  
2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Ming-Lang Tseng ◽  
Shiou-Yun Jeng ◽  
Chun-Wei Lin ◽  
Ming K. Lim

PurposeConstruction and demolition waste (CDW) continuously causes environmental and social problems. These formidable challenges lead to sustainable issues and are an increasingly urgent issue worldwide. Prior studies have neglected to link the triple bottom line (TBL) to a reliable estimation or empirical model for estimating CDW production performance and lack empirical sensitivity analysis in profit maximization. This study proposes an attribute analysis to build a cost–benefit analysis (CBA) to obtain profit maximization.Design/methodology/approachThis study uses fuzzy set theory to develop a cost and benefit analysis (CBA) model to assess the sensitivity analysis in terms of its performance on addressing the environmental, economic and social aspects. The model is used to weigh the sum of benefits such as financial gain and total costs of actions taken to mitigate the negative impacts.FindingsBased on the sensitivity analysis conducted, the environmental, economic and social mean scales were significantly changed, i.e. increased, and profits increased drastically. The results provide an insight into environmental legislation compliance, environmental investment and environmental impact as the cause attributes for the CDW recycling profit increase. The results prove that sensitivity analysis is viable to infer that a sustainable production performance can achieve more revenue and profit through an adequate selection of attributes regarding the TBL aspects to address the firm's uncertainty problem in multiple criteria analysis.Originality/valueThis study builds a CBA model to maximize profits for recycled CDW material by linking of environmental, economic and societal aspects for recycled CDW assessments. It considers a sustainability structure with criteria based on TBL aspects to assess production performance to realize the Sustainable Development Goals and presents fuzzy set theory and sensitivity analysis to solve the uncertainty problem in the construction industry.


2022 ◽  
Vol 137 ◽  
pp. 169-178
Author(s):  
Zhikun Ding ◽  
Xiaoyan Cao ◽  
Yifei Wang ◽  
Huanyu Wu ◽  
Jian Zuo ◽  
...  

2022 ◽  
Vol 14 (2) ◽  
pp. 871
Author(s):  
Ana Nadazdi ◽  
Zorana Naunovic ◽  
Nenad Ivanisevic

Population growth, consumerism and linear (take-make-dispose) economy models have been piling up waste for decades. The construction industry is also based primarily on linear economy models, but the good news is that most of the waste can be re-used or recycled. So far, numerous models for managing construction and demolition waste in a sustainable way have been developed, but only a few models have included circular economy approaches. The main objective of this study is to propose an integrated framework for the sustainability assessment of CDW management. Apart from the economic, environmental and social aspects of sustainability, this model also includes circular economy principles. The proposed framework is based on the integration of existing methods: bottom-up materials stock approximation; cost–benefit analysis for criteria calculation; and scenario and multi-criteria decision-making analysis for sustainability. It is suggested that the European average recovery rates should be used for future scenario development. With higher re-use and recycling rates, the potential for the circularity of the recovered waste grows. In an effort to increase circularity in the region, particular attention was devoted to customize the framework and examine its potential for use in the Western Balkan countries. The framework may also be useful in countries with immature construction and demolition waste management.


Author(s):  
Valerij Makeev

Despite the fact that the completion of construction projects has a direct positive impact on the growth of the national and local economy, companies in the construction sector have a significant negative impact on the environment and people: they consume a huge amount of natural resources, emit pollutants into the atmosphere, produce a large amount of waste, and are exposed to hazards.  The resulting disruptions to the daily economic and social life of neighboring communities are (social costs) are given little attention at the stage of the construction tender. Alternative systems, such as social impact and cost estimation, cost-benefit analysis, economic and environmental assessment, proposed by practicing experts - such as social impact and cost estimation, cost-benefit analysis, economic and environmental assessment - do not fully account for these costs.  In this regard, it became necessary to find out why social costs are not taken into account at the pre-contract stage. This article is devoted to the importance of socially responsible management of construction projects, and also contains a call to take into account social costs when inviting a tender. The author concludes that the introduction of the principles of social responsibility can bring some economic, social and environmental benefits.


Sign in / Sign up

Export Citation Format

Share Document