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Adedeji, J A, Fadamiro, J A and Odeyale, T O (2019) Design toolkits for campus open spaces from post-occupancy evaluations of federal universities in South-west Nigeria. Built Environment Project and Asset Management, 10(02), 296–311.

Charles, S, Vidyaratne, H and Melagoda, D G (2019) Prospects and restraints of green roofs for high-rise buildings in Sri Lanka. Built Environment Project and Asset Management, 10(02), 246–60.

  • Type: Journal Article
  • Keywords: Sustainable construction; Sri Lanka; Green roof; Prospects; High-rise buildings; Restraints;
  • ISBN/ISSN: 2044-124X
  • URL: https://doi.org/10.1108/BEPAM-11-2018-0150
  • Abstract:
    Green roofs are acknowledged as a method to substitute greenery washed out by the urbanization. They provide many ecological and sustainable benefits of greenery; reduce the adverse effects of high-rise building constructions. Though this concept is more popular across many countries over the past few decades, still, implementation of this technology in Sri Lanka is new and scant. Hence, the purpose of this paper is to identify and analyze the potential of green roofs in high-rise buildings in Sri Lanka. Design/methodology/approach The data collection was conducted through expert interviews and questionnaire survey. Expert interviews were carried out to validate the prospects and restraints identified through literature review to the Sri Lankan context and analyzed using content analysis. Questionnaire survey identified the most significant prospects and restraints using descriptive statistics and paired sample t-test. Purposive sampling was used to select participants. Findings Reduction of air pollution, aesthetical appearance, thermal benefits and energy savings, reduction of an urban heat island effect, the addition of points in the green rating system are the top most significant prospects that need to be highlighted in promoting green roof systems in Sri Lankan high rises. Less space allocation on rooftops, lack of technical competence and lack of awareness and research are restraints that need most effective elimination strategies to encourage green roof systems. Originality/value The first identified and quantified prospects and restraints for green roof system in Sri Lankan high-rise buildings can be utilized by the government, donors, multi-lateral agencies to promote the sustainable development in Sri Lanka and this knowledge could be used in different scale awareness programs. The value of this paper is such that the paper discusses the links of green roofs with the other facets of sustainability. The new legal reforms and amendments in Sri Lanka could potentially be pending with findings of this study.

Fasna, M and Gunatilake, S (2019) Overcoming barriers for building energy efficiency retrofits: insights from hotel retrofits in Sri Lanka. Built Environment Project and Asset Management, 10(02), 277–95.

Jayasena, N S, Mallawaarachchi, H and De Silva, L (2019) Environmental sustainability of facilities management. Built Environment Project and Asset Management, 10(02), 261–76.

Ohueri, C C, Enegbuma, W I and Habil, H (2019) MyCREST embedded framework for enhancing the adoption of green office building development in Sarawak. Built Environment Project and Asset Management, 10(02), 215–30.

Pandithawatta, T, Zainudeen, N and Perera, C (2019) An integrated approach of Lean-Green construction: Sri Lankan perspective. Built Environment Project and Asset Management, 10(02), 200–14.

Shojaei, A, Wang, J and Fenner, A (2019) Exploring the feasibility of blockchain technology as an infrastructure for improving built asset sustainability. Built Environment Project and Asset Management, 10(02), 184–99.

Unuigbe, M, Zulu, S L and Johnston, D (2020) Renewable energy sources and technologies in commercial buildings. Built Environment Project and Asset Management, 10(02), 231–45.