Emerald | Structural Survey

A framework for specifying natural hydraulic lime mortars for masonry construction

A.M. Forster, K. Carter — 2011-11-08 00:00:00.0

Abstract

Purpose – The selection of lime mortars for masonry structures can be an important component of a repair or new build project. This selection is considered difficult due to the number of variables to consider during the decision-making process and the perceived inherent complexity of the materials. The purpose of this paper is to discuss the selection process for determining suitable natural hydraulic lime repair mortars for masonry. Design/methodology/approach – The paper presents a conceptual and practical framework for the determination of suitable lime mortars for repair and construction of masonry structures, drawing and building on relevant, literature and existing best practice guidance on specification. Findings – The use of various relatively newly produced data sets pertaining to durability can aid in the appropriate selection of lime mortars. These determinants must however, be correlated with traditional evaluation of exposure levels, building detailing and moisture handling performance. Building condition survey of the existing fabric is essential to enable refinement of the selection process of these mortars. The adjustment of the initially identified mortars highlighted in the best practice guide may potentially benefit from modification based on the aforementioned factors. Originality/value – Whilst data exist to help the practitioner select hydraulic lime mortars they have never been correlated with the tacit and expressed protocols for survey and the evaluation of the performance of structures.

Investigating building maintenance practices in Malaysia: a case study

Abdul Lateef Olanrewaju, Arazi Idrus, Mohd Faris Khamidi — 2011-11-08 00:00:00.0

Abstract

Purpose – There have been complaints and criticisms of the conditions and performance of university buildings in Malaysia. The purpose of this paper is to report research looking into building maintenance practices in Malaysia. Design/methodology approach – To achieve its objectives, the research combined a literature review and a case study. The case study aimed to provide a details and factual information on the maintenance procedures of a university. Findings – It was found that the maintenance procedures on the case studied were corrective and budget driven. It was also found that the university favours out-sourcing to in-sourcing their maintenance service. Research limitations/implications – The findings of this study are based on a case, therefore the findings may not represent the maintenance practices of other public universities in Malaysia or elsewhere. Practical implications – Some universities may adopt some of the good maintenance practices of the university studied. Some of the observations could be helpful to other universities striving to achieve best maintenance practices. Originality/value – The paper is able to expose the weakness in university maintenance practices in Malaysia and outlines some positive attributes.

Adaptive reuse of heritage buildings

Peter A. Bullen, Peter E.D. Love — 2011-11-08 00:00:00.0

Abstract

Purpose – There is growing acceptance that heritage buildings are an important element of Australia's social capital and that heritage conservation provides economic, cultural and social benefits to urban communities. The decision whether to reuse a building entails a complex set of considerations including location, heritage, architectural assets, and market trends. The role of building conservation has changed from preservation to being part of a broader strategy for urban regeneration and sustainability. A growing body of opinion supports the view that adaptive reuse is a powerful strategy for handling this change. Urban development and subsequent redevelopment has a significant impact on the environment and the purpose of this paper is to investigate how the conservation of heritage buildings may contribute to a more sustainable urban environment. Design/methodology/approach – This paper examines the views and experiences of architects, developers and building managers who have been involved with the adaptive reuse of heritage buildings. In total, 60 semi-structured interviews were drawn from this stakeholder group to investigate their current understanding of the sustainability issues associated with the adaptive reuse of heritage buildings. Findings – The subsequent data show that despite many positive outcomes in terms of sustainability, the adaptive reuse of heritage buildings is considered to create many problems; not the least of which is whether heritage buildings are icons that should be conserved or whether they are in fact eyesores and unviable for adaptive reuse. Originality/value – The contribution of heritage buildings to the three tenets of sustainability has not previously been explored comprehensively and as a result there is a conflict of interest between the preservation of heritage values and progression of the sustainable urban design agenda.

Carbon monoxide alarms: should they be provided in all new dwellings?

Stephanie Power, Peter Wynn — 2011-11-08 00:00:00.0

Abstract

Purpose – The purpose of this paper is to establish whether the guidance on the application of the UK Building Regulations in Approved Document J should have gone further by expecting that CO alarms should be provided in all new dwellings, irrespective of their heating source. Design/methodology/approach – An attitudinal survey, using e-mail questionnaire, was issued to selected professionals following review of current guidance. Findings – All types of combustion appliance, fuelled by all fuel sources, are a potential risk of CO poisoning in both new and existing dwellings. Research limitations/implications – The authors concentrate on the guidance given in the Approved Document only, not the reasons as to why the requirement was included in the Building Regulations for the first time. Practical implications – It is recommended that the guidance in the Approved Document should be revised to include the provision of CO alarms in all new dwellings, irrespective of their heating source. Social implications – The paper discusses an issue of potential public safety. Originality/value – The paper challenges the extent of recent changes to Building Regulations Approved Document J.

Identifying an appropriate approach to judge low carbon buildings

Chinwe Isiadinso, Steve Goodhew, Julian Marsh, Mike Hoxley — 2011-11-08 00:00:00.0

Abstract

Purpose – The purpose of this paper is to report research conducted in the UK's East Midlands region which explores optimising practice for low carbon building through an architectural award system. Design/methodology/approach – To explore the complexity of the contexts, philosophies and demonstrations involved in best practice for low carbon buildings, a mixed research approach was adopted through an online survey and interviews with 13 experts. Findings – The research provides practical means to evaluate low carbon buildings and suggests an approach where aesthetic design and technical compliance are given similar weightings. It also presents the opinions of construction professional practitioners and academics on best practice for low carbon buildings. Research limitations/implications – The research focuses on investigating the judging criteria and opinions of construction professionals who have, in the past, strongly identified with sustainable building design practice. Practical implications – As this research and other studies show, there is a need for a simple methodology and the use of existing tools to evaluate best practice for low carbon buildings. Originality/value – The value of the paper lies in its purpose to establish a precedent for judging low carbon buildings through an architectural award system. Although there is a plethora of literature, tools and environmental assessment systems that point towards best practice, this research aims to highlight the underlying principles and combine these with practical methods that can enable the construction industry to achieve low carbon buildings.

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