Reliable estimates of construction costs and schedules presented by contemporary construction companies, their consultants and suppliers at the time of project approval are important for justifying a project on economic ground and for planning the means of financing it. The economic impact of a construction cost overrun is the possible loss of the economic justification for the project. A cost overrun can also be critical for creating policies within sustainable development on the basis of economic costs. The financial impact of a cost overrun results also in demand for construction investments credits. The paper presents a case of construction cost analysis for wooden energy efficient house that meets sustainable aspects. Analyzed object is characterized by high costs of the construction investment, that result from specific characteristics of the construction output (energy efficient wooden house). In the result of analysis of the construction investment costs for the efficient wooden house and its comparison with the costs of traditional construction investment on maintenance costs, it can be stated that additional cost resulting from the energy efficient house building is higher than costs of traditional construction investment (about 10%) and it can be treated as the investment in the energy efficient house solutions since it brings savings for home expenditures (5% annually)

The sustainability of services in undertakings which operate in railway passenger transport is closely connected with efforts to provide high-quality and time-acceptable services to the customer, to achieve lean processes, to standardise work processes, to eliminate wastage and to avoid those activities which do not add any value. Considering its ecological nature and big volume of passenger transport, railway passenger transport represents an irreplaceable sustainable system for the future. These facts and the entry of new railway carriers into this system highlight the importance of managing risks in a progressive way. This article focuses on the options of risk management when versatile and flexible tools, such as Lean tools, are set correctly. The aim of this article is to introduce a proposal for the application and a specific application of Lean philosophy in risk management which impacts train delays in railway passenger transport. From the point of view of quantitative data analysis, multiple mathematical-statistical tests have been used to assess data (e.g., Anderson–Darling test, Kolmogorov–Smirnov test, Jarque–Bera test, two-tailed test, Grubbs’s test and Thompson Tau test). Also, descriptive statistics and ANOVA test (Analysis of Variance) have been applied in the process of evaluating the monitored attributes. In order to assess the data dependency, Chi-Square Test and a correlation analysis have been applied. The research outcomes focus on highlighting the need for a systematic approach for train delays and to avoid delays through risk management. The case study applies selected Lean methods to monitor train delays in selected stations within the main railway corridor of the Slovak Republic for the period from 2015 to 2018. In 2019, the results were processed and created a basis for proposing a unique software tool like an aid for risk management in the case of train delays using Lean philosophy. The flexible software includes the participation of employees, and at the same time, it respects the needs of customers. The research results provide grounds for further study of risks in a challenging environment of railway undertakings, with different types of trains, railway stations as well as entire railway networks. The processed results of the article represent valuable material for railway undertakings not only in Slovakia but also for railway organisations in V4 countries.

Employee adaptation as key activity in human resource management upon implementing and maintaining desired organisational culture

Research background: Corporate culture undoubtedly plays a crucial role in successfully overcoming the challenges associated with modern trends in today's business environment. Corporate culture is an incredibly fascinating field within organizational management. It requires investigation, as it is not static but evolves and adapts over time. Purpose of the article: The aim of the article was to define the type of corporate culture by identifying both the current and desired corporate culture. Additionally, the study examined the differences in values related to corporate culture. Methods: The Organizational Culture Assessment Instrument was utilized to identify the current and desired corporate culture. This methodology evaluated the company's underlying values and related assumptions, providing a realistic representation of its culture. Findings & Value added: The key conclusions is that in the wood industry, companies were perceived as highly personalized environments, resembling close-knit families where employees frequently interacted and shared commonalities. Alongside mentoring, facilitation, and support, effective management also emphasized cooperation and functional teamwork. Formal rules, loyalty, and mutual trust played a significant role in maintaining cohesion within the company. Employee development, trust, openness, and solidarity were emphasized. Success was based on human resource development, teamwork, employee engagement, and interest. The dominant corporate culture in the wood industry was clan corporate culture. Therefore, leadership based on mentoring, facilitation, and support should be prioritized. The valued added is the finding that the clan corporate culture should continue to prevail in wood industry companies for the next 5 to 10 years. Therefore, it is recommended teamwork, consensus, and a sense of belonging should continue to be prominent in the wood industry's future. Loyalty and mutual trust should be key elements in maintaining company unity. Employee development, trust, openness, and solidarity should also be consistently implemented, along with human resource development, teamwork, employee engagement, and interest. These findings can assist managers in their management practices.

Combination of factors such as: properly organized logistics process, lack of nonconformities, transport damages avoiding and transport in accordance Just In Time idea significantly reduces costs and streamlines the entire production process. This paper proposes the quality management tool for the logistics services assessment based on the results obtained in the selected company operating in Eastern Europe. Customers' expectations and perceptions were compared using the SERVQUAL method that concerns the service quality assessment in five areas such as: materiality, reliability, promptness, competency and empathy. The research method SERVQUAL allows assessing the service quality level and identifying company areas that requires corrective actions within the improvement process.