Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/224053
Title: LIFE CYCLE COST OF VERTICAL GREENERY SYSTEMS IN SINGAPORE
Authors: MUN WAI CHOONG
Keywords: Vertical Greenery System
Lifecycle cost
Tropical Climate
Building
PFM
Project and Facilities Management
Lu Yujie
2017/2018 PFM
Issue Date: 28-Dec-2017
Citation: MUN WAI CHOONG (2017-12-28). LIFE CYCLE COST OF VERTICAL GREENERY SYSTEMS IN SINGAPORE. ScholarBank@NUS Repository.
Abstract: Buildings play an important role in reducing greenhouse gas emissions and combating climate change. Some examples of existing methods in the building industry to work on the greenhouse gas emission problem include retrofitting existing building services such as the HVAC system or installing new building systems such as solar panels to reduce reliance on fossil fuels. A relatively new type of green building system that has become more prominent in recent years are vertical green walls. More building owners are adopting it due to the environmental, aesthetical and social benefits the system can bring. While numerous studies have been conducted on its potential benefits and its lifecycle environmental impact, there has been little focus on its lifecycle cost. Cost can be a crucial factor for building owners in deciding whether to adopt a vertical green wall system as well as to decide which system provides the best cost to benefit ratio. Using Singapore as a base, this study aims to identify and calculate the lifecycle costs of 3 main types of vertical greenery systems in the tropical climate, namely the Carrier, Planter and Support systems. A total of 6 respondents have been interviewed for this study and from the respondents, data from 7 case studies have been used to calculate the lifecycle costs. An analysis of the results from the study shows that the Support-type vertical greenery system is the cheapest. In addition, the Operations and Maintenance stage is a significant contributor to the lifecycle costs of a vertical greenery system with the cost of plants playing an important part. The results from this study can help building owners or facility managers make more informed decisions in selecting the type of vertical greenery system to adopt, as well as to provide a cost benchmark for vertical greenery service providers. The results can also help policy makers in improving and realigning their policies to better support stakeholders who are interested in vertical greenery systems. In order to reduce the lifecycle costs, several suggestions on how to reduce the cost impact of plants have been given as well. The suggestions include selecting alternative sources and reducing the replacement rate of the plants.
URI: https://scholarbank.nus.edu.sg/handle/10635/224053
Appears in Collections:Bachelor's Theses

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