Tomas Hanak

Tomas Hanak
Brno University of Technology · Faculty of Civil Engineering

About

56
Publications
24,799
Reads
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332
Citations
Citations since 2016
38 Research Items
319 Citations
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20162017201820192020202120220102030405060
20162017201820192020202120220102030405060
20162017201820192020202120220102030405060
Introduction
Tomas Hanak currently works at the Faculty of Civil Engineering, Brno University of Technology. Tomas does research in Construction Management with focus on procurement, risk management and cost estimation. The current research projects focus on life-cycle costing and electronic reverse auctions in construction sector.

Publications

Publications (56)
Article
Full-text available
Contract management is a crucial component of any project. As construction projects are complex and difficult to manage, adequate attention must be given to the related contract management issues. Inexpert management can bring about serious unfavourable consequences that can even result in a project failure. This study aims to explore a specific ca...
Article
Full-text available
The construction industry is generally one of the fundamental industries of a country, weighing between 5 to 10% of the gross domestic product. Rapid changes in the construction environment require a great deal of effort for a company or project manager to maintain the project successfully. To do so, applying performance management is of crucial im...
Article
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This paper deals with an analysis of causes that lead to the change in price (value of construction costs) of road infrastructure projects in selected phases of the building structure life-cycle, more specifically procurement and construction phases, with the aim to refine the price estimation in the Estimated Value determination phase. The sample...
Article
Performance management belongs to crucial managerial activities. This study aims to address how performance management in construction is applied among Czech public organizations on the project level. In order to address this issue, qualitative data has been collected by semi-structured interviews of experienced experts representing organizations o...
Article
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Performance measurement of construction contracts belongs to the crucial activities enabling the improvement of processes in a construction company. The main aim of this paper is to evaluate and analyse performance management practices applied by contractors in the Czech construction sector. Original data were collected using a questionnaire survey...
Article
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The importance of environmental protection is growing rapidly in the construction industry. Performance measurement as an important tool for a more effective construction process reflects this new direction of business thinking. Performance measurement systems have implemented new criteria for measurement with respect to the environment. The main a...
Article
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A way to minimize uncertainty and achieve the best possible project performance in construction project management can be achieved during the procurement process, which involves selecting an optimal contractor according to "the most economically advantageous tender." As resources are limited, decision-makers are often pulled apart by conflicting de...
Article
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Performance measurement of business processes is a necessary prerequisite for efficiency improvement. The increasing demand for enhanced environmental protection in construction is also reflected in recent performance measurement systems. This paper aims to review various systems used for performance measurement in construction contracts and to dis...
Article
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A contractor’s ability to prepare a competitive bid for a construction tender is crucial for its survival on the market. The bid price estimation strategy should promote the probability of winning a sufficient amount of tenders but, at the same time, ensure the economic stability and development of the company. This paper aims to address this issue...
Article
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This paper is concerned with early cost estimation of sport facilities. Sufficiently precise cost estimation is essential for investors in the pre-investment stage where they decide on whether to pursue an investment and choose a suitable technical solution for the development of the project. Through a detailed analysis of the technical and economi...
Cover Page
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This Special Issue aims to provide an overview of the existing body of knowledge and collect recent research findings in the field of life-cycle cost management (LCCM). We welcome original empirical and theoretical research papers contributing to the development of the area of LCCM, as well as review articles discussing the current state of the art...
Article
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Occurrence of extreme natural events raises the need for a quick and accurate estimation of losses on the insured residential property in order to support timely recovery of the area. Although various models are now available to estimate the amount of loss on buildings, there is a lack of models providing a sufficient level of detail and accuracy t...
Article
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Selecting a capable contractor is one of the crucial prerequisites for the successful completion of a construction project. This paper addresses the issue of selecting and measuring the performance of suppliers. Using a web-based questionnaire survey, quantitative data was collected from Czech construction companies that act as main contractors and...
Article
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The innovation of construction procurement by means of electronic reverse auctions is a controversial subject of discussion among both researchers and practitioners. This paper consolidates and critically discusses current knowledge concerning the adoption and use of electronic reverse auctions in the light of specific features of the construction...
Poster
Full-text available
We cordially invite you to participate in the 14th International Scientific Conference PEOPLE, BUILDINGS AND ENVIRONMENT 2020 taking place in Třebíč, a UNESCO World Heritage Site (Czech Republic), on 7 to 9 October 2020. Original peer-reviewed research papers accepted by the Scientific Committee will be published in the SCOPUS indexed proceedings...
Article
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The growing pressure to ensure sustainable construction is also associated with stricter demands on the cost-effectiveness of construction and operation of buildings and reduction of their environmental impact. This paper presents a methodology for building life cycle cost estimation that enables investors to identify the optimum material solution...
Article
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Efficient spending of public money is a crucial requirement of public procurement. This requirement is even more important in the case of public works contracts since construction projects are usually very costly. Accordingly, public authorities should manage the procurement process in an efficient way. The aim of this paper is to analyse municipal...
Article
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With global emergence of Building Information Modelling (BIM), the Czech Republic needs to adapt the systems currently used for accessing projects to the new way of designing. Unfortunately, the main emphasis in the Czech Republic is still put on the first stage of the project, i.e. the creation of a 3D model. Converting a 3D model into a BIM model...
Article
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This paper focuses on the evaluation of flood losses in buildings using genetic algorithms. Specifically, the paper aims to evaluate the influence of material structure and, consequently, different prices on the accuracy of evaluation, taking into account the size of rooms, i.e. the length and width, shape, width-to-length ratio, and flooding depth...
Article
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The requirement for efficient public spending leads contracting authorities to use electronic reverse auctions (e-RA), a tool that allows achieving financial savings. In this study, we aim to explore the relationships between the different acting e-RA variables and to check for predictive models in order to infer on the savings amount in constructi...
Article
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Many construction projects are realized with public subsidy, e.g. subsidies from the European Union, state budget and/ or municipal resources. The reimbursement of the subsidy depends on a number of conditions, such as completion of the project in time or compliance with operation conditions. The purpose of this research is to seek causes of subsid...
Conference Paper
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This paper focuses on the evaluation of flood losses to buildings. More specifically, it analyses the impact of the side ratio of the flooded room and its overall surface area on the accuracy of loss evaluation. It presents the basics of a theoretical mathematical model, which has been calibrated and verified using genetic programming tools and whi...
Conference Paper
Full-text available
Life cycle costs (LCC) of buildings are an important factor during the investment decision-making. They help identify future costs that will accrue over the lifecycle of the building. Besides the investment phase, the most significant costs are those related to operation, such as utilities, cleaning and repairs, replacements, and maintenance of the...
Article
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The maintenance planning within the urban road infrastructure management is a complex problem from both the management and technoeconomic aspects. The focus of this research is on decision-making processes related to the planning phase during management of urban road infrastructure projects. The goal of this research is to design and develop an ANN...
Article
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The increasing complexity of construction projects imposes the need to address various aspects of project management in more detail. The success of a construction project depends on many variables and the process of supplier selection is certainly one of them. In recent years, the importance of electronic reverse auctions use in public sector const...
Article
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This paper examines the public sector adoption of the new technology of real-time electronic reverse auctions (e-RA) in construction procurement. Qualitative research was conducted to examine the experiences, opinions and attitudes of both buyers and suppliers to e-RA through semi-structured interviews. It was concluded that when certain principles...
Article
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: Managing personnel costs is important in all companies, especially in those whose production is labor intensive. The construction sector therefore qualifies as a suitable area for analyzing issues associated with these costs. The aim of this study is to find out whether company size affects personnel cost management under various circumstances. F...
Article
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Overhead costs are considered to be an important part of cost management in companies. This research aims to address the ways in which overhead costs are managed in the specific environment of construction. The Czech Republic is selected as the study area in order to give answers to several research questions. Data collected through a web-based sur...
Article
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The paper examines factors influencing the decision to use, and adoption rate, of online reverse auctions in construction sector. The main factors are identified and comprehensively discussed taking into account particularities of construction industry. The adoption level of this procurement route is examined via a web survey based on a selected sa...
Article
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In the management of construction projects special attention should be given to the planning as the most important phase of decision-making process. Quality decision-making based on adequate and comprehensive collaboration of all involved stakeholders is crucial in project's early stages. Fundamental reasons for existence of this problem arise from...
Article
Full-text available
Life-cycle costing is an important part of every construction project, as it makes it possible to take into consideration future costs relating to the operation and demolition phase of a built structure. In this way, investors can optimize the project design to minimize the total project costs. Even though there have already been some attempts to i...
Article
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Online Reverse Auctions (ORA) are an electronic commerce tool that enables direct communication between buyers and sellers and thus have the potential to make the procurement processes more efficient which leads to improved business performance of the buyer. The presented research investigates how ORA are implemented in the specific environment of...
Article
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The objective of brownfield regeneration is to increase the attractiveness and value of individual sites to a level where they can compete directly with the construction of a greenfield project. The aim of this paper is to examine the economic efficiency of brownfield regeneration. By using CBA outputs, the contribution of socio-economic efficiency...
Article
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Construction projects participants were surveyed to assess how coordination and communication among stakeholders and quality control in building materials supply process were managed, as well as to evaluate their satisfaction with the structures quality. It was found that the participants’ role and working experience had a statistically significant...
Article
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Electronic reverse auctions (e-RAs) are considered to be an effective tool for negotiating tender prices and achieving cost savings. Furthermore, if multicritera evaluation is used, it can be expected that e-RAs will also contribute to achieving benefits in other areas, e.g. helping to minimize life-cycle costs. This study aims to analyse the mutua...
Article
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Currently, the use of loss curves is largely limited, since they are usually based only on a few selected parameters. As a result, the amount of estimated losses may not fully correspond to the real costs of restoring the building to its original condition. The aim of the presented research is to determine whether the factor of room dimensions has...
Article
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Public contracting authority may award contracts only to contractors who meet certain qualification criteria for participation in tenders. Such requirements can vary between countries; this paper therefore introduces basic legislation governing this process both in the Czech Republic and Poland. The verification of compliance of these requirements...
Article
Efficient use of public resources should be supported by quality management of the tender procedure to achieve competitive tender prices. This paper examines the issue of competitive environment within public works contracts and explores the influence of the number of bidders on the tender results. A research sample of 256 public tenders was invest...
Article
Full-text available
This paper discusses the evaluation of flood losses to buildings using loss curves. The objective of the research was to ascertain whether there is a relationship between the depth of flooding and the amount of unit loss set with regard to the impact of room dimensions. The research was conducted on a sample of 154 model situations for two differen...
Article
Full-text available
This paper deals with the issues relating to the quality of the residential environment and its perception by the population. The aim of the research was to identify the key indicators perceived by residents as the most significant from the perspective of the quality of the residential environment. A comparative study analyzing a set of 22 assessme...
Article
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This paper investigates how construction projects participants' evaluations of two aspects of material supply management, i.e. communication and coordination among involved parties and materials quality control, are related to satisfaction with the quality of structures. On a sample of 128 respondents in the Republic of Macedonia a questionnaire wa...
Conference Paper
Current profound insufficient funding of the road construction infrastructure results in developing enormous pressure on the economy and efficiency of its construction. The topic of the paper reflects a methodological insight into streamline of the process of economic evaluation of transport infrastructure projects with respect to their Whole Life...
Conference Paper
Full-text available
Methodology used for economic efficiency calculation of transport infrastructure is based on CBA method, which takes into account relatively accurate values of revenues and expenditures throughout the whole evaluated period. Since the significance of individual benefits among project is diverse, this paper aims at performing a detailed analysis of...
Article
Full-text available
The planning phase within the urban-transport project management is a complex process from both the management and techno-economic aspects. The focus of this research is on decision-making processes related to the planning phase during management of urban road infrastructure projects. The proposed concept is based on multicriteria methods and Artif...
Conference Paper
Full-text available
The aim of the article is to analyse the use of electronic reverse auctions among private subjects operating on the construction market of the Czech Republic. A questionnaire survey was carried out for conducting an analysis and evaluation of the research hypothesis. The obtained data shows that the companies usually take part in reverse auctions i...
Article
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Increasing population density in urban areas is closely followed by a number of negative aspects, which can significantly affect the quality of housing, as well as its sustainability. The aim of this paper is to identify the most important indicators influencing the quality of residential environment, and to give information for sustainable decisio...
Conference Paper
Full-text available
In the last couple of years the climate change is becoming more and more obvious. The temperature extremes are increasing, both maximum temperatures in the summer, as well as temperature minimums in the winter. This causes severe problems for the winter road maintenance service that has to deal with sudden cold spells followed by precipitation and...
Article
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Natural disasters may have a catastrophic impact on the lives of people, company operations and property. The impacts of these disasters fall into the category of natural hazards and belong to standard insurance policies; however, they are problematic from the point of view of the varying degree of risk facing the insured objects in different locat...
Article
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Estimating large-scale disaster damages is a difficult task since there is usually no up-to-date data on the value of property in the target area. For this purpose, it is necessary to have at disposal a methodology enabling estimation of potential damages/losses caused to real property as well as allowing quick estimation of real property value in...
Conference Paper
Full-text available
Since 1981, when Peters and Waterman introduced term organizational culture in organizational science, organizational culture has become a very important field of investigation. The reason why organizational culture became so popular is connection between appropriate cultures and efficiency and productivity of organizations. Organization, as a conn...
Article
In order to decrease energy consumption of buildings it is necessary to take energy-saving measures. Main attention is paid to panel buildings, particularly to housing stock in the Czech Republic. The paper contains the Czech state-of-the-art in the field of revitalization of older housing stock and achieving the EU energy objectives, introduces su...
Article
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Increasing competition on a global market forces enterprises to increase the efficiency of internal processes in order to retain competitiveness. Performance measurement is becoming one of the main strategic factors of business success, and can be performed also within the frame of benchmarking initiative. The aim of this paper is to draw up the be...
Article
Full-text available
Modern theoretical and methodological framework of credit rating evaluation is based on wider economical-accounting concept of his interpretation, in order to meet new requirements and needs of credit rating evaluation. Successful mix of quantitative and qualitative evaluation of company is solution which increases use value of evaluation and makes...

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Projects (3)
Project
This research topic aims to collect high-quality articles focused on Industry 5.0 technologies and their enablers in construction management, especially asset management, and the wider built environment. To achieve this, interdisciplinary research is needed where the key technologies, management philosophies, and business models are adopted from different fields and applied to construction management under contemporary digital transformation in the built environment. More about this project is visible on the following link (https://www.frontiersin.org/research-topics/28071/performance-based-planning-and-asset-management-in-construction-50).
Project
This Special Issue aims to provide an overview of the existing body of knowledge and collect recent research findings in the field of Construction Life-Cycle Cost Management. Advances in Civil Engineering (Hindawi)