Performance Evaluation of Green Roof Maintenance – A Case Study of School Buildings in Taipei City
Date Issued
2014
Date
2014
Author(s)
Chu, Fu-Sheng
Abstract
Green roofs provide various environmental and social benefits, including effects in the cooling of air temperature, energy conservation, carbon reduction, and mitigation of floods from storm water. In addition, green roof can also beautify the public open spaces and provide benefits for urban habitat biodiversity. As a result, green roofs are widely regarded as an important approach to develop sustainable city. For the conservation of natural environment, the preservation of permanent natural reserves and habitats are important instruments. However, for densely developed urban areas, it is needed to create and expand bio-region by means of eco-buildings and green roofs. Over time, it is found that many green roofs have caused roof water leaking problems due to inadequate maintenance.
First of all in this research, through extensive review of related literatures, a set of indicators are developed for the evaluation of green roof’s maintenance performances. And then, twenty schools in Taipei are included as targets for case study. Based on the concept of post occupancy evaluation, with survey and statistical analysis, the maintenance performances of target schools are evaluated and directions for future improvement are identified.
The analysis of survey results shows that the key factors influencing the maintenance performance of green roofs are: cost of maintenance, level of student participation, type of vegetation, and level of openness. In addition, through further investigation, tasks suggested to solve the critical problems of school green roofs in Taipei city are as follows:
1.To increase the level of student participation and environmental education.
2.To add the level of openness to general pulbic.
3.To add ecological functions of urban stepping stones.
4.To Improve the accessibility as a barrier-free environment.
5.To improve the irrigation system to fix roof water leaking problems.
Subjects
綠屋頂
績效評估
學校建築
永續發展
Type
thesis
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