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Archiv článků od 7.8.2023 do 1.7.2024

Archiv recenzovaných článků

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1.7.2024
prof. Ing. Leonard Hobst, CSc., Ing. Monika Doležalová, Ing. Pavel Klika, Ph.D.

The preserved detailed data on the consumption of fuel (coke) for heating and hot water preparation in functionalist apartment building from the 1930s led to the idea to compare the energy consumption of these buildings at the time of their construction with the present day and to observe how the modernization interventions in both the heating system and the actual construction of the building are manifested and to quantify these modernization interventions.

28.5.2024
Ing. Radek Šitera

The contribution provides a comprehensive overview of the real estate market development in 2023, based on data from both the Czech Office for Surveying, Mapping, and Cadastre (ČÚZK) and public listings. It thoroughly analyzes the statistics of sold apartments and houses, the size of demand for apartments based on their layout, and the year-over-year changes in realized prices in the five largest cities of the Czech Republic. The second part of the article introduces an innovative tool for real estate price calculation from Valuo Technologies, widely utilized by over 2,000 professionals, including appraisers, experts, real estate agents, and mortgage specialists.

28.5.2024
Ing. Jan Tichý, Ph.D., doc. Ing. Alena Tichá, Ph.D.

The article largely copies the fourth chapter of the book Transport infrastructure management in context, which was recently published by VŠLG o.p.s. in Přerov. The entire book captures the links between the construction of transport infrastructure, its management and traffic operations in a unique way. All mentioned pillars of the book are described in an economic context with a focus on many information contexts.

13.5.2024
Ing. Stanislav Bedřich

By digitizing and automating processes throughout the building life cycle, the goal is to optimize the use of information so that it can be easily used either to reduce waste from buildings (waste prevention) or to have sufficient information about the materials and products used in the building at the end of its life cycle or as part of various renovations or retrofits. At the same time, improving the planning and management of the waste generated is a key effort. The paper presents the results of the European RECONMATIC project in this area, which progressively links information efficiency approaches with BIM processes. As such, the project has a broader focus and represents a paradigm shift in the management of C&D materials, from the traditionally conservative approach to C&D waste, to a similarly conservative approach of the construction industry, to construction production that seeks to achieve high waste recovery rates, and to the adoption of a responsive approach to waste recovery. The technologies to be used in this project (creating and working with a digital twin of the building, blockchain-based applications, precision prefabrication, efficient sorting through automation and robotics, etc.) are part of the themes that the project focuses on.

16.4.2024
Ing. Aleš Choutka, ředitel EKOLOG jinak

The article thoroughly describes the role of a corporate ecologist in complying with environmental regulations within businesses. In addition to traditional areas such as waste management, packaging materials, chemicals, and accident prevention, it now focuses on ESG reporting. It emphasizes trends towards sustainable waste management and the circular economy. The text analyzes strategies for waste prevention, trends, and innovations in their processing. Finally, it highlights the importance of education and awareness in this field.

Foto © luchschenF, Fotolia.com
2.4.2024
Ing. Jiří Holoubek, prezident Elektrotechnická asociace České republiky

IT systems in companies are often incompatible and their data communication is very complicated. A unified, integrated operating environment ensures real online communication not only of technological devices, but also technology for quality monitoring, systems for order planning, service and maintenance, as well as energy management.

20.2.2024
Ing. Soňa Sopóci, CEO, Affida, s.r.o.

I meet numerous senior managers and their major concern is the dearth of time for meaningful activities. They do not have time for tasks such as planning, organizing, improving processes, writing guidelines, and developing themselves and their staff, let alone building a team.

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19.2.2024
Bc. Lenka Křížová, dataPartner s.r.o.

The constantly evolving environment of industrial companies, influenced by the advent of new technologies, also affects maintenance. The aim of this paper is to present the possibility of managing maintenance with the help of an information system. Its functionalities allow the implementation of all strategies, i. e., in addition to corrective and planned maintenance, it also uses preventive diagnostic maintenance.

12.2.2024
Ing. Jan Vidim

Accidents, increased energy consumption, but also a gradual decrease in the value of the building are the result of inappropriate HVAC operation. Many owners do not realize this and do not know how to solve it. Several examples show the most common errors and their solutions.

12.2.2024
Ing. Josef Hodboď, TZB-info, redakce

The resulting value of the heating factor of a combination of two heat pumps, in which the first heat pump is the heat source for the second heat pump, can be determined fairly easily in common technical application practice. The procedure and the resulting formula are given in the article.

15.1.2024
Ing. Miroslav Urban, Ph.D., prof. Ing. Karel Kabele, CSc., doc. Dr. Ing. Zbyněk Svoboda, Ing. Ondřej Horák

Starting from January 1, 2023 (in the Czech Republic), on the basis of § 4, paragraph 1 of Decree No. 264/2020 Coll., on the energy efficiency of buildings, it is necessary for buildings or zones with cooling, humidity control or electricity production to calculate the energy efficiency of the building with an interval of one hour. The subject of the article is an approximation of the basic specifics of the hourly step of calculation and a comparison of the results of the calculation and the assessment of energy intensity in the monthly and hourly step of calculation according to the requirements of the applicable legislation.

Foto © goodluz, Fotolia.com
8.1.2024
Ing. Soňa Sopóci, CEO, Affida, s.r.o.

a. Every leader dreams of a motivated team. In this post, you will learn about the anatomy of success, why some individuals are successful, how success ties into ability, and what it truly means to possess ability, about motivation's various types, how to enhance it and provide support.
b. Každý lídr sní o motivovaném týmu. V tomto příspěvku se dozvíte o anatomii úspěchu, o tom, proč jsou někteří jedinci úspěšní, o tom, jak úspěch souvisí se schopnostmi a co to skutečně znamená mít schopnosti, o různých typech motivace, jak ji zvýšit a poskytnout podporu.

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29.12.2023
RNDr. Bohumil Kotlík, Ph.D., pplk. Ing. Jiří Matějka

The paper relates the results of efficiency tests of specific application methods of surface and air remediation in the indoor environment of buildings, the scope and supply of which have significantly expanded in connection with the ongoing SARS-CoV-2 epidemic. The tests were focused on the most frequently offered procedures, i.e. on the use of open and closed (air purifiers) sources of UV-C radiation, fumigation (use of biocides) and ozonation. Special attention is paid to fulfilling the wording of related EU laws and regulations and compliance with safety principles in the application of these procedures in the work and municipal environments. We also give examples of numerous problems and shortcomings in the application of these technologies.

Foto © lightfield studios, Fotolia.com
19.12.2023
Vladimír Baletka, eFACILITY consulting s.r.o.

This article focuses on common issues faced by owners and operators of buildings and technical equipment. Key themes include the lack of proper documentation, failure to meet legislative requirements, and frequent mistakes in safety procedures. The author thoroughly discusses various aspects, including missing documentation, insufficient authorizations and training, and non-compliance with safety standards. The article also emphasizes the importance of proper documentation management and compliance with current legislative requirements to ensure safe and efficient operation.

Foto © endostock, Fotolia.com
5.12.2023
Juraj Grenčík

The paper presents the concept of maintenance engineering as understood in the new European standard EN 17666:2022 Maintenance - Maintenance engineering - Requirements. The standard introduces maintenance engineering as a discipline that uses competencies, methods, techniques and tools to develop and support maintenance to ensure that (maintenance) item is able to perform its required functions in a safe, sustainable and cost-effective manner throughout its life cycle.

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18.10.2023
doc. RNDr. Dana Procházková, Ph.D., DrSc., ČVUT v Praze, Fakulta strojní

The presented set of four communications deals with the risk management in favour of safety applied to the operation of pipelines. It respects current professional knowledge and presents it in the concept promoted by the UN, the European Union, the OECD and others. The fourth part contains a conclusion, characteristics of new aspects addressed by the professional sphere for practice and a list of used literature.

Foto © fotovapl, Fotolia.com
17.10.2023
doc. RNDr. Dana Procházková, Ph.D., DrSc., ČVUT v Praze, Fakulta strojní

The presented set of four communications deals with the risk management in favour of safety applied to the operation of pipelines. It respects current professional knowledge and presents it in the concept promoted by the UN, the European Union, the OECD and others. The third part summarizes the findings on the checklist methodology and provides examples for pipelines.

Foto © Fotolia.com
13.10.2023
doc. RNDr. Dana Procházková, Ph.D., DrSc., ČVUT v Praze, Fakulta strojní

The presented set of four communications deals with the risk management in favour of safety applied to the operation of pipelines. It respects current professional knowledge and presents it in the concept promoted by the UN, the European Union, the OECD and others. The second part summarizes the knowledge and principles of risk management and lists the sources of risks for the pipeline.

Foto © Andrei Merkulov, Fotolia.com
11.10.2023
doc. RNDr. Dana Procházková, Ph.D., DrSc., ČVUT v Praze, Fakulta strojní

The presented set of four communications deals with the risk management in favour of safety applied to the operation of pipelines. It respects current professional knowledge and presents it in the concept promoted by the UN, the European Union, the OECD and others. The first part introduces terms used in engineering practice, which deals with risks and safety and introduces knowledge that is relevant to pipeline safety.

Zdroj: Atrea s.r.o.
7.8.2023
Ing. David Petrýdes, Ph.D., MBA, Air-lab s.r.o.

The paper focuses on the experimental verification of the use of CO2 as a tracer gas for the detection of leakages in air handling systems, instead of the widely used tracer gas of sulphur hexafluoride (SF6), which is subject to legislative restrictions. Verification of the applicability of CO2 is accompanied by the definition of measurement uncertainties.


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