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Technical and financial feasibility analysis of rainwater harvesting using conventional or green roofs in an industrial building

2023Journal article Open access
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dc.contributor.authorSilva, Flora
dc.contributor.authorCalheiros, Cristina
dc.contributor.authorAlbuquerque, António
dc.contributor.authorLopes, Jorge Pedro
dc.contributor.authorGeraldes, Ana Maria
dc.date.accessioned2011-01-29T16:08:42Z
dc.date.available2011-01-29T16:08:42Z
dc.date.issued2023
dc.description.abstractGiven the high annual water consumption for non-potable uses (1112.08 m(3), 65%) of an industrial building with a large roof area (4638 m(2)) located in the Northeast of Portugal, this study aims to evaluate the technical and financial feasibility of a rainwater harvesting system for these uses, considering the existing conventional roof (scenario 1) and adapting a green roof to the existing roof (scenario 2). This evaluation was based on the impact of the two scenarios on the building's water savings. Under scenarios 1 and 2, the expected water savings were 64.47% and 59.43%, respectively. Therefore, the expected reduction in the annual water bill was euro3867.07 + VAT (scenario 1) and euro3564.63 + VAT (scenario 2). For scenario 1, considering a reservoir with 70 m(3) for non-potable purposes, such as washing the building's floor and use in industrial machines, and an initial investment of euro41,109.13 + VAT, the single payback will be 11.29 years. The single payback for scenario 2 largely exceeded the lifetime of the green roof. However, as they are considered interesting solutions to reduce the negative externalities of industrial settlements, financial incentives could be proposed for the implementation of the green roof in this typology of buildings.por
dc.description.sponsorshipThe authors are grateful to the Foundation for Science and Technology (FCT, Portugal) for financial support by national funds FCT/MCTES (PIDDAC) to CIMO (UIDB/00690/2020 and UIDP/00690/2020), SusTEC (LA/P/0007/2020), FibEnTech (UIDB/00195/2020), GeoBioTec (UIDB/04035/2020) and CIIMAR (UIDB/04423/2020 and UIDP/04423/2020).
dc.identifier.citationSilva, Flora; Calheiros, Cristina; Albuquerque, António; Lopes, Jorge Pedro; Geraldes, Ana Maria (2023). Technical and financial feasibility analysis of rainwater harvesting using conventional or green roofs in an industrial building. Sustainability. eISSN 2071-1050. 15:16, p. 1-12por
dc.identifier.doi10.3390/su151612430
dc.identifier.eissn2071-1050
dc.identifier.urihttp://hdl.handle.net/10198/3204
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherMDPIpor
dc.subjectWater efficiencypor
dc.subjectRainwater harvestingpor
dc.subjectGreen roofspor
dc.subjectTechnical and financial feasibilitypor
dc.subjectIndustrial buildingpor
dc.titleTechnical and financial feasibility analysis of rainwater harvesting using conventional or green roofs in an industrial buildingpor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.titleSustainabilitypor
person.familyNameSilva
person.familyNameGeraldes
person.givenNameFlora
person.givenNameAna Maria
person.identifier.ciencia-idC414-C558-D837
person.identifier.ciencia-id7D13-2CED-D6C5
person.identifier.orcid0000-0001-6701-7390
person.identifier.orcid0000-0003-4966-2227
person.identifier.ridJ-8566-2014
person.identifier.scopus-author-id56447878600
person.identifier.scopus-author-id57204313331
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication3d0a65e9-daee-4080-85fd-eec624f0d48a
relation.isAuthorOfPublication6e872389-a4ae-407d-b2cf-c2c8743dcd44
relation.isAuthorOfPublication.latestForDiscovery6e872389-a4ae-407d-b2cf-c2c8743dcd44

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