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University of Balamand > News > Archive > Vegetative Roofs


Vegetative Roofs

Environmental and Energy Performance



Mr. Makram El Bachawati presented the seminar as part of the “Engineering Seminar Series” on the 22nd of April 2016.

El Bachawati is a PhD candidate at the University of Balamand (UOB) and at the University of La Rochelle (ULR) in France, supervised by Dr. Rima Manneh and Prof. Rafik Belarbi. After the seminar, a site visit was organized on the rooftop of the Chemical Engineering Department headed by Dr. Henri El Zakhem in order to see the different roof mockups installed.

Vegetative roofs, also called garden roofs, are «specialized coverage systems that foster the growth of plants on roofs». Vegetative roofs are mainly of two types: Extensive Green Roofs (EGR) and Intensive Green Roofs (IGR). So far, only two extensive green roofs have been installed in Lebanon. The one occupying the largest surface area was installed at the Central Bank of Lebanon in Hamra (834m2).

The research of Mr. El Bachawati focuses on: i) evaluating and comparing the environmental impacts of the existing EGR installed in Hamra with fictitious traditional and IGRs using Life Cycle Assessment (LCA), and ii) determining the energy performance of vegetative roofs through real-time.

Currently, Mr. El Bachawati is studying the water retention capacity of vegetative roofs and investigating the quality of the running water from EGR and TGBR.

The use of LCA to study the environmental performance of products and the installation of vegetative roofs are expected to gain popularity in Lebanon in the upcoming years. ​




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University of Balamand,
Balamand Al Kurah,
Lebanon

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