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Daylight provision requirements according to EN 17037 as a restriction for sustainable urban planning of residential developments
ID Šprah, Nataša (Author), ID Košir, Mitja (Author)

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Abstract
The attempt at a more sustainable land use by increasing urban density may have a negative effect on the daylighting of residential buildings. In densely built areas, obstructions generated by the surrounding buildings can substantially reduce the available amount of daylight, causing poorly daylit spaces and a less healthy indoor environment with higher electricity consumption as a consequence of artificial lighting. European standard EN 17037, Daylight in Buildings, was established in 2018 to ensure appropriately daylit spaces. In this paper, a three-step methodology was developed to investigate the relationship between certain urban planning parameters and the daylighting of a typical room defined by specific (Slovenian) legislative restrictions about its geometry and minimum required window to floor area ratio, in order to establish the maximum densities of residential developments still fulfilling the minimum requirements for daylight provision defined by EN 17037. The results show that a relatively low urban density is required to fulfil the stipulations for minimum daylight provision for the deepest permissible room according to the Slovenian legislation. The impact of the development floor area ratio on the daylighting potential of buildings was identified as significant, followed by the site coverage, development layout, and building typology. Furthermore, the developed methodological approach clearly demonstrates a substantial potential for application in urban planning, with indoor daylight environmental conditions being linked to the planning of residential developments in the earliest stages of the project.

Language:English
Keywords:sustainable urban planning, daylighting, vertical daylight factor, EN 17037, residential developments, solar potential
Work type:Article (dk_c)
Typology:1.01 - Original Scientific Article
Organization:FGG - Faculty of Civil and Geodetic Engineering
Year:2020
Publication status in journal:Published
Article version:Publisher's version of article
Number of pages:22 str.
Numbering:Vol. 12, iss. 1, art. 315
UDC:711.4:620.92/.98
ISSN on article:2071-1050
DOI:10.3390/su12010315 This link opens in a new window
COBISS.SI-ID:22910486 This link opens in a new window
Publication date in RUL:14.07.2021
Views:248
Downloads:122
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Record is a part of a journal

Title:Sustainability
Shortened title:Sustainability
Publisher:MDPI
ISSN:2071-1050
COBISS.SI-ID:5324897 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:01.01.2020

Secondary language

Language:Slovenian
Keywords:urbanizem, trajnostni razvoj, razsvetljava, navpični faktor dnevne svetlobe, EN 17037, stanovanjski razvoj, sončni potencial

Document is financed by a project

Funder:EC - European Commission
Funding programme:European Social Fund, Operational program for human resources development

Funder:Drugi - Drug financer ali več financerjev
Funding programme:Republic of Slovenia, Ministry for Education, Science and Sport, Operational program for human resources development

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project number:P2-0158
Name:Gradbene konstrukcije in gradbena fizika

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