The contemporary way of life influences the forms and time framework of outdoor activities in open public spaces, shifting their focus to nighttime usage. The aim of this study is to demonstrate the limits of existing outdoor lighting design standards and recommendations in terms of livability. As an exploratory case study, the Sava waterfront in New Belgrade, Serbia was chosen. The methodology consisted of theoretical research and specific analysis, which included: (1) mapping the spatial distribution of users during several periods of the day; (2) criteria and indicator network analysis of outdoor lighting quality, and (3) a survey with a questionnaire conducted among the users of the waterfront area. The results showed that lighting design can influence overall open public space usage during nighttime through its parameters. It can affect the spatial distribution of users and their sense of safety and comfort, as well as the duration, frequency, and manner of usage. This study could improve planning and design practices regarding outdoor lighting, enabling more active and inclusive usage of open public spaces, thus increasing the overall livability of spaces and their social sustainability.
The paper presents a model of risk analysis of dumper operation with the aim of determining the most common reason for unplanned stoppages, as well as, after classifying stoppages by system, to evaluate them from the aspect of risk. The set criteria for risk analysis are: time spent in downtime, frequency of downtime and level of danger. The results of the research indicated the causes of high risk on the observed machines, on the basis of which priority preventive maintenance measures can be refined in order to reduce risk. Furthermore, in the research on risk prevention of the operation of transport and mining machines, the online contextual and adaptive expert system HAMRISK was developed and the advantages and disadvantages of the developed software solution were examined in practice.
This work identifies lighting as a non-invasive method for the transformation of a space that simultaneously and unconstructively articulates various activities and does not interfere with the inherited physical framework. Through experimental research and a case study of the "Eastern City Gate of Belgrade" housing settlement in Serbia, which was designed and built in the second half of the 20th century, the activity rhythm of a contemporary user is explored. The research goal was to recognise the decision-making tools for increasing the quality of open public spaces during the night-time mode of use by improving the quality of lighting. The study proposes the new lighting design model that supports night-time leisure activities in mass housing open public spaces in the contemporary urban context.
The main goal of this paper is to address how quickly and to what extent are international organizational cultures, brought by the world companies after the process of privatization, being implemented in a single monolithic culture. For this purpose was adopted and applied Denison model of organizational culture, which has been chosen because it emphasizes the need for balance between requirements for organization’s stability demands and its required flexibility. Considering that a different organizational culture reflects systematic change of an entire organization, this paper focuses on exploring the differences in culture dimensions among companies in domestic and foreign ownership in Serbia. A sample of 1000 employees was statistically processed. Changes in organizational culture tend to be relatively slow. The results confirm that organizational culture is a complex working environment, concerning organizational values, which represents a fundamental element of organizations. Given that the process of company ownership changes occurred fifteen years prior to the research implementation, obtained results show effects of interaction between national and organizational culture in this, relatively short, period of time. Obtained results can be generalized to countries that are passing or have recently passed a transition, and are similar in cultural characteristics.
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