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Agyefi-Mensah, S, Kpamma, Z E and Hagan, D E (2022) Stair step geometry compliance with standard specifications for safety and usability: a study of selected university buildings in Ghana. International Journal of Building Pathology and Adaptation, 40(01), 20-39.
- Type: Journal Article
- Keywords: dimensional variations; Ghana; safety; stair step geometry; university buildings; usability
- ISBN/ISSN:
- URL: https://doi.org/10.1108/IJBPA-09-2019-0079
- Abstract:
Purpose: Compliance with standard specifications in stairway design and construction, particularly the step geometry, is imperative for the safety and usability of stairs. The purpose of this study, was to assess the compliance of stair step geometry parameters with standard specifications in selected public buildings in Ghana. Specifically, the study investigated the prevalence of deviations in step geometry parameters from standard provisions; how significant these deviations are in comparison, and by theoretical association, the potential risk of accidents. Design/methodology/approach: Field measurement of the geometric parameters of a total of 1954 steps in 204 flights of stairs within 28 university buildings was undertaken using a calibrated Multi Digit Pro + digital spirit level and a tape measure following the Nose-to-Nose Method. The results were analyzed using in Microsoft Excel 2016 and Minitab 18 and interpreted based on mean values, one-sample t-test and percentages. Findings: Although some parameters generally complied with standard specifications, dimensional inconsistencies in risers and treads of adjacent steps were most prevalent, and significantly at margins far above standard specifications. The findings of the study show the unique limitation of the step geometry design requirements specified in the current Ghana National Building Code and the National Building Regulation, and by association, the potential risk of accidents and discomfort in the use of stairs in public buildings such as those on university campuses. Practical implications: The observed deviations in the dimensions of risers and treads point to a lack of strict compliance with standard specifications in the design and construction of stairs. Apart from engaging skilled artisans, and intensifying supervision in stair construction, development control authorities in Ghana need to strengthen inspection of stairs during construction to ensure and enforce compliance. Originality/value: Findings of the study provide insight into stairway design, as well as stair safety and usability in a developing world context, and allows for a more comprehensive study of stair-related accidents and discomfort associated with stairs in public buildings as a basis for the review of standards and codes in Ghana and other developing countries.
Alipour-Bashary, M, Ravanshadnia, M, Abbasianjahromi, H and Asnaashari, E (2022) Building demolition risk assessment by applying a hybrid fuzzy FTA and fuzzy CRITIC-TOPSIS framework. International Journal of Building Pathology and Adaptation, 40(01), 134-59.
Cole, R J (2012) Transitioning from green to regenerative design. Building Research & Information, 40(01), 39–53.
Cole, R J, Busby, P, Guenther, R, Briney, L, Blaviesciunaite, A and Alencar, T (2012) A regenerative design framework: setting new aspirations and initiating new discussions. Building Research & Information, 40(01), 95–111.
du Plessis, C (2012) Towards a regenerative paradigm for the built environment. Building Research & Information, 40(01), 7–22.
Ehwi, R J, Oti-Sarpong, K, Shojaei, R and Burgess, G (2022) Offsite Manufacturing Research: A Systematic Review of Methodologies Used. Construction Management and Economics, 40(01), 1–24.
Ekeskär, A, Havenvid, & I, Karrbom Gustavsson, T and Eriksson, P E (2022) Construction logistics in a multi-project context: coopetition among main contractors and the role of third-party logistics providers. Construction Management and Economics, 40(01), 25–40.
Faqih, F, Zayed, T and Alfalah, G (2022) Technology-based multi-tiered building diagnosis framework. International Journal of Building Pathology and Adaptation, 40(01), 101-33.
Hamida, M B, Hassanain, M A and Al-Hammad, A M (2022) Review and assessment of factors affecting adaptive reuse of commercial projects in Saudi Arabia. International Journal of Building Pathology and Adaptation, 40(01), 1-19.
Hoxie, C, Berkebile, R and Todd, J A (2012) Stimulating regenerative development through community dialogue. Building Research & Information, 40(01), 65–80.
Inançoğlu, S and Uzunoglu, S S (2022) Transformation of social housing kitchens over time: Nicosia Göçmenköy social houses as a case study. International Journal of Building Pathology and Adaptation, 40(01), 40-59.
Järvenpää, A, Eriksson, P E and Larsson, J (2022) Exploring a public client’s control systems in infrastructure projects from a relationship history perspective. Construction Management and Economics, 40(01), 56–71.
Mang, P and Reed, B (2012) Designing from place: a regenerative framework and methodology. Building Research & Information, 40(01), 23–38.
Nwadike, A N and Wilkinson, S (2022) Why amending building codes? An investigation of the benefits of regular building code amendment in New Zealand. International Journal of Building Pathology and Adaptation, 40(01), 76-100.
Plaut, J M, Dunbar, B, Wackerman, A and Hodgin, S (2012) Regenerative design: the LENSES Framework for buildings and communities. Building Research & Information, 40(01), 112–22.
Simpeh, F and Adisa, S (2022) On-campus student accommodation safety measures: provision versus risk analysis. International Journal of Building Pathology and Adaptation, 40(01), 60-75.
Styhre, A, Brorström, S and Gluch, P (2022) The valuation of housing in low-amenity and low purchasing power city districts: social and economic value entangled by default. Construction Management and Economics, 40(01), 72–86.
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