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Assessment of Maintenance Accessibility in Multi-Storey Buildings

Abstract

Maintenance accessibility is an important consideration in the design and management of multi-storey buildings because the height and complexity of such structures can make inspection, repair, cleaning, and replacement activities more difficult. Inadequate access to building components and services may increase maintenance time, operational costs, safety risks, and the likelihood of deferred repairs. Integrating appropriate maintenance access into building design can therefore contribute to improved building performance, safety, durability, and long-term functionality. This study assesses maintenance accessibility in multi-storey buildings, focusing on the ease with which maintenance personnel can reach, inspect, service, and replace building components and systems. It examines access to façades, roofs, mechanical and electrical installations, plumbing systems, service shafts, plant rooms, circulation areas, and other components requiring periodic intervention. The study also considers how building height, floor configuration, spatial organization, and service distribution influence maintenance accessibility. Particular attention is given to vertical and horizontal access provisions within multi-storey buildings. Staircases, elevators, service corridors, access panels, maintenance platforms, roof access points, and dedicated service routes can facilitate maintenance operations when appropriately planned. Conversely, poorly positioned equipment, restricted service spaces, concealed installations, and inadequate circulation routes may make routine maintenance difficult. The study therefore examines the relationship between building layout and the practical requirements of maintenance activities. The accessibility of external building components is also considered because façades, windows, shading devices, balconies, drainage systems, and roof elements are exposed to environmental conditions and require periodic inspection and cleaning. High-level components may require specialized equipment where permanent access provisions are not incorporated into the design. The study evaluates how façade configuration, building geometry, maintenance equipment requirements, and access points influence the efficiency and safety of external maintenance. The study further examines the relationship between maintenance accessibility, safety, lifecycle costs, and building durability. Difficult access can encourage delayed maintenance, increasing the likelihood that minor defects will develop into more serious problems. Conversely, convenient access can support timely inspection and repair while reducing disruption to occupants and maintenance personnel. The study therefore considers maintainability as an important component of lifecycle-oriented architectural and building services design. The study aims to evaluate the level of maintenance accessibility in multi-storey buildings and identify architectural and technical strategies for improving access to maintainable components. Its findings are expected to assist architects, engineers, facility managers, developers, and building owners in incorporating maintenance requirements into building planning and design. Improving maintenance accessibility can support safer maintenance operations, reduce long-term costs, extend component service life, and sustain the functional performance of multi-storey buildings.

Keywords: Maintenance accessibility, Multi-storey buildings, Building maintenance, Maintainability, Facility management, Service access, Maintenance planning, Building services, Vertical circulation, Façade maintenance, Roof access, Lifecycle performance, Building safety, Building durability.