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PurposeThe application of circular building adaptability (CBA) in adaptive reuse becomes an effective action for resource efficiency, long-lasting usability of the built environment and the sped-up transition to a circular economy (CE). This paper aims to explore to which extent CBA-related strategies are applied in adaptive reuse projects, considering enablers and obstacles.Design/methodology/approachA stepwise theory-practice-oriented approach was followed. Multiple-case studies of five circular adaptive reuse projects in The Netherlands were investigated, using archival research and in-depth interviews. A cross-case analysis of the findings was deductively conducted, to find and replicate common patterns.FindingsThe study revealed that configuration flexibility, product dismantlability and material reversibility were applied across the case studies, whereas functional convertibility and building maintainability were less applied. Low cost of material reuse, collaboration among team members and organisational motivation were frequently observed enabling factors. Lack of information, technical complexities, lack of circularity expertise and infeasibility of innovative circular solutions were frequently observed obstacles to applying CBA.Practical implicationsThis paper provides practitioners with a set of CBA strategies that have been applied in the real world, facilitating the application of CBA in future adaptive reuse projects. Moreover, this set of strategies provides policymakers with tools for developing supportive regulations or amending existing regulations for facilitating CE through adaptive reuse.Originality/valueThis study provides empirical evidence on the application of CBA in different real-life contexts. It provides scholars and practitioners with a starting point for further developing guiding or decision-making tools for CBA in adaptive reuse.

PurposeAdaptability is an inherent quality in building circularity, as adaptability can physically facilitate the reversibility of materials in a closed-reversible chain, also called “loops”. Nevertheless, positioning adaptability in circularity-oriented models could overlook some of the contextual considerations that contribute to the utility for the built environment. This paper reconceptualises building adaptability to incorporate circularity, in order to facilitate for the resource loops whilst preserving the long-lasting functionality in buildings.Design/methodology/approachAn integrative literature review on adaptability and circularity of buildings was conducted using systematic search approach. From the initial database of 4631 publications, 104 publications were included for the final analysis. A comparative analysis of definitions and determinants of both concepts was conducted to reconceptualise circular building adaptability.FindingsThe findings of the literature study show that incorporating circularity and adaptability is possible through 10 design and operation determinants, namely configuration flexibility, product dismantlability, asset multi-usability, design regularity, functional convertibility, material reversibility, building maintainability, resource recovery, volume scalability, and asset refit-ability. The study concludes that considering the defined determinants in a holistic manner could simultaneously facilitate: building resilience to contextual changes, creation of asset value, and elimination of waste generation.Originality/valueThis paper expands the relevant bodies of literature by providing a novel way of perceiving building adaptability, incorporating circularity. The practical value of this paper lies in the discussion of potential strategies that can be proactively or reactively employed to operationalise circular building adaptability.

The buildings and construction sector accounts for the majority of the energy consumption in the Kingdom of Saudi Arabia (KSA). For a sustainable future, energy consumption in the sector should be reduced and existing buildings need to be energy retrofitted. A number of studies present energy retrofitting of residential buildings in KSA; however, there is a lack of studies presenting retrofitting of educational buildings. Thus, the aim of this study is to adopt a BIM-based approach to assess Energy Conservation Measures (ECMs) in a prototypical Government-built educational building in Dammam, KSA. The methodology consists of six prime steps, (1) case study data collection, (2) energy auditing, (3) proposing ECMs, (4) BIM model development, (5) energy assessment, and (6) economic assessment. The energy audit revealed several inefficiencies in the building construction and operation and four ECMs were proposed and simulated. It was found that annual energy consumption can be reduced by 22.7% in the educational building, and the investment for the four ECMs is paid back in 2.7 years only. Therefore, implementing the proposed ECMs is a viable option to energy retrofit such educational buildings in the country, and the presented BIM-based approach can be adopted to efficiently conduct the energy retrofitting process.

Purpose This paper aims to provide architecture, engineering, construction and facilities management (AEC/FM) practitioners with a guiding tool for overcoming the challenges affecting their performance in adaptive reuse project. Design/methodology/approach Literature review was conducted to comprehend the challenges affecting the AEC/FM performance during the implementation of adaptive reuse projects. A case study was conducted on an adaptively reused building, located in Saudi Arabia. The case study building was converted from a bookstore into an amusement center. Document review of the as-built drawings, and a structured interview with the project manager were conducted. The study concluded with the development of AEC/FM practical guidelines, pertaining to the different involved domains. Findings This study indicated that the potential challenges are interrelated among the three domains. These challenges pertained to the spatial, legislative, technical, administrative and operational aspects. The findings emphasized the vital role of the integration among the AEC/FM domains, at the early project planning phases. Based on the findings, three sets of AEC/FM guidelines were developed. Research limitations/implications Theoretically, to the best of the authors’ knowledge, this is the first study that provides a case-specific investigation of the challenges affecting the AEC/FM performance in adaptive reuse projects. Practical implications The developed practical guidelines could potentially enhance the AEC/FM performance in future adaptive reuse projects. Originality/value This study contributes to the practice of adaptive reuse projects through providing practical guidelines for mitigating the challenges that affect the AEC/FM performance in these projects.

Purpose>This paper aims to present a generic lifecycle framework model for guiding architects, engineers, contractors and facilities managers (AEC/FM) practitioners on the effective implementation of adaptive reuse projects.Design/methodology/approach>A mixed approach of qualitative and quantitative techniques was followed in the development of the framework model. A literature review was conducted to comprehend the processes involved in adaptive reuse projects. In total, 90 AEC/FM practitioners were surveyed to identify the current practices in these projects. A generic framework model was then developed to standardize the processes involved, using integration definition for function modeling process modeling methodology. Face-to-face interviews with a targeted group of 30 AEC/FM practitioners were conducted, to validate the developed framework model, by assessing the importance and the frequency of implementing each function in the developed framework model.Findings>The framework model consisted of four sequential processes, namely, assess the feasibility of the adaptive reuse project, design the adaptive reuse project, construct the adaptive reuse project and operate and maintain the adaptive reuse project. The validation confirmed the importance of all the framework functions and the frequency of their implementation.Originality/value>This research contributes to the literature and the AEC/FM professions, through developing a lifecycle and knowledge-oriented framework model for building adaptive reuse. The framework presents clear documentation of adaptive reuse processes. Thus, it holds the potential of endeavoring on adaptive reuse projects to be more efficient.

PurposeThis paper explores the relevant fire code requirements and outlines the development of an evaluation tool based on these codes to evaluate fire safety measures in dining properties.Design/methodology/approachExisting literature was examined to identify the combustible materials, fire causes and factors making these properties prone to fire incidents. An evaluation method, based on code regulations, for ensuring fire safety in dining properties was then developed and tested on a specific dining facility to validate its practicality.FindingsForty requirements, grouped into seven categories, were identified for ensuring fire safety in dining properties. The case study exposed multiple violations of fire safety, leading to corrective measures for enhancing the fire safety status of the building.Practical implicationsThis study introduced a methodical approach for raising awareness, among property managers of dining properties, about fire incidences and their consequences. It presents an evaluation tool for assessing the compliance level with fire codes and standards.Originality/valueDining properties are facilities that offer both dine-in and take-out food services. Given the increasing number of fire incidents in dining properties worldwide, there is a substantial demand for a process to audit the adherence to fire safety codes in these properties. This study presents a systematic approach to increase public knowledge of fire events and their effects in dining properties.

Purpose>This paper investigates the current practices of adaptive reuse projects, within the context of architecture, engineering, construction and facilities management (ACE/FM) industries.Design/methodology/approach>A mixed research methodology, combining qualitative and quantitative techniques, was followed. Literature review was performed to comprehend various aspects pertaining to building adaptive reuse. Three questionnaire surveys were administered on 90 AEC/FM practitioners, to investigate the current practices of adaptive reuse projects in Saudi Arabia. The questionnaire surveys were directed to 30 architects/engineers (A/Es), 30 contractors and 30 facilities managers, respectively, through face-to-face interviews. The qualitative and quantitative findings of each questionnaire survey were analyzed. Recommendations were proposed for each of the professional domains, to enhance the overall AEC/FM performance in future adaptive reuse projects.Findings>The findings pointed out the necessity of accurately planning and designing the adaptive reuse in accordance with the spatial, technical, legislative, economic and functional considerations. The findings revealed the significance of contractors' role in conducting effective supervision over the managerial and technical processes during the implementation of the change of use. It also indicated the importance of the facilities managers' role in performing all daily operational activities, to maintain satisfactory performance of the adaptively reused buildings.Originality/value>This paper contributes to the relevant literature to the building adaptation, through investigating the perspectives of AEC/FM practitioners on adaptive reuse projects. The findings would enable AEC/FM practitioners to improve their professional practices in future adaptive reuse projects, in an integrated manner.

Adaptive reuse of buildings is the practice of converting the use of an originally designed built-environment to suit a new use. This conversion process has a direct bearing on the performance of the building, and the satisfaction of the users with the conditions of the converted built-environment. This paper presents the findings of a post occupancy evaluation (POE) of an adaptively reused student housing facility to an office building, as a case study. The POE was conducted to investigate the consequences of the conversion process on the technical and functional elements of performance of the adapted building. A review of literature was performed to identify the technical and functional elements of performance pertaining to the new use of the building, along with their recommended performance criteria in codes and standards. The study employed multiple data collection methods, including a walkthrough tour to develop insights about the performance of the building elements; interviews to confirm the validity of the identified technical and functional performance elements, and initiate discussion with the users based on the findings of the walkthrough tour; and a user satisfaction survey to obtain the users’ feedback on the performance of the building. The findings of the study resulted in developing a series of recommendations to improve the performance of the case study building. The paper serves to guide design professionals involved in the planning and design of adaptive reuse projects, and facilities managers in charge of the daily operations of adaptively reused buildings.

PurposeThis research presents the applicable international fire code requirements for educational facilities, in a comprehensive manner, and the findings of a case study to assess the level of compliance with these requirements.Design/methodology/approachA review of literature, fire codes and standards was conducted to identify the various sources of fire hazards in educational facilities and the required prevention measures. Accordingly, a code-compliance worksheet for assessing the fire prevention measures was developed. The worksheet included 34 prevention measures. It was implemented in a pharmacy college building, as a case study, to assess the compliance level with the code requirements. Recommendations were developed to improve the level of fire prevention in the case study facility.FindingsThe implemented worksheet facilitated identifying all the shortcomings in the prevention measures, in a methodological manner. These shortcomings included exceeded travel distance, absence of assembly point, inactive record keeping of fire inspection and maintenance works, deterioration of some extension cords and switches, alteration of some emergency doors, storage of combustibles in some electrical rooms and obstructions of the fire apparatus access road.Practical implicationsThe research provides an assessment tool for fire prevention in educational facilities, which can be used by professionals for a code-compliant inspection. The findings of the case study as an example serve to expand the inspectors' observational significance while reducing subjectivity.Originality/valueThis research contributes to the educational facilities' context of health and safety domain in the literature. The research classifies the required fire prevention measures for an educational facility, according to the international applicable codes and standards. The case study demonstrates an applicable methodology for assessing the fire prevention measures and requirements.

Purpose This study presents findings of post-occupancy evaluation (POE), through a performance assessment, on a polyclinic, as a health-care facility, in Saudi Arabia. Design/methodology/approach Review of the literature is conducted to identify the recent publications, on conducting POE, and performance indicators (PIs) assessing performance of health-care facilities. This research uses a triangulated approach by adopting several qualitative and quantitative methods, on a case study. The approach comprised conducting investigative walkthrough to assess the case study facility, interviews with group of occupants to assess its satisfaction levels. The findings were presented to a focus group, where a plan of recommendations was raised to improve the performance of the case study facility. Findings A total of 24 PIs were identified, and clustered, mainly under: “Thermal comfort”, “Natural lighting”, “Artificial lighting” and others. The case study has proven a satisfactory performance to the evaluated indicators. However, observations of performance snags were identified that formulated conclusions, related to: “Improvements to air temperature performance in summer season”, “Need of control on natural lighting due to glare”, “Accommodating an over demand for car parking spaces”, Need for development of systems dedicated for collection of occupants satisfaction” and “Enhancing circulation”. Originality/value There is a gap identified, through the literature review on availability of systematic conduct of POE, especially in health-care facilities. This paper contributes to the body of knowledge and professional practice, as a guiding systematic scheme, for the conduct of POE, which can be followed and expanded upon by future research.