scholarly journals The Role of Smoke Detectors and Carbon Monoxide Detectors in the Fire Safety of Residential Buildings

2021 ◽  
Vol 57 (1) ◽  
pp. 114-133
Author(s):  
Urszula Garlińska ◽  
Marta Iwańska ◽  
Robert Śliwiński ◽  
Paweł Florek
Keyword(s):  
Carbon Monoxide ◽  
Fire Safety ◽  
Residential Buildings ◽  
Partial Solution ◽  
Research Process ◽  
Theoretical Research ◽  
Quality Level ◽  
Formal Organization ◽  
Advantages And Disadvantages ◽  
Maintenance Technicians

Purpose: The aim of this publication is to present the most important aspects of using smoke and carbon monoxide detectors intended for households or similar residential facilities as well as to indicate the advantages and disadvantages of the adopted system solutions that affect the number of detectors installed in this kind of buildings. The article aims to present the issues related to the Integrated Qualifications System (ZSK), i.e. newly developed market qualification, dedicated to installers and maintenance technicians of smoke and carbon monoxide detectors. Introduction: Smoke and carbon monoxide detectors for early detection of existing threats such as fires or escaping carbon monoxide are an important element of fire protection, dedicated primarily to owners of residential buildings. In many countries in the EU it is obligatory to install detectors in homes, whereas at the moment in Poland the only aspect regulated legally is the obligation of the manufacturer of these products to obtain a certificate. Since 2016, the ZSK has been operating in Poland, in which in 2019 the qualifications of installers/maintenance technicians of smoke and carbon monoxide detectors were distinguished. As a result, a person with a market qualification certificate is prepared for independent installation and maintenance of fire safety monitoring devices Methodology: As part of the research process, theoretical research was used, such as: analysis of literature and legal documents, synthesis, general- ization, inference, comparison and analogy. As part of the research, documents from such countries as Poland, Great Britain (mainly England), Germany and France were analysed. The selection of individual countries was guided by the level of development of these systems in a given country and the availability of source documents Conclusions: The presented analysis of the requirements for the installation of the smoke and carbon monoxide detectors shows how different the ap- proach is regarding the use of this type of devices. Depending on experiences and the administrative structure of a given country, a variety of regulations, whether legal or normative, can be discerned in the use of smoke and carbon monoxide detectors. ZSK is a well-described system of formal organization and classification of competences and offers the public services at the highest possible quality level. It is also a partial solution to the problem of installing detectors. However, it is necessary to regulate this issue from the legal level, as it was the case in other EU countries, where the installation of detectors in homes is obligatory. Such action will contribute to reducing the victims of fires or inhalation of toxic gases (carbon monoxide) Keywords: Integrated Qualifications System (ZSK), smoke alarm detector, electrical apparatus for the detection of carbon monoxide, carbon monoxide, residential buildings Type of article: review article

Research Situation Analysis of On-line Detection Technology for Power Transformer Winding Deformation

2020 ◽  
Vol 13 (6) ◽  
pp. 823-832
Author(s):  
Zhenhua Li ◽  
Weihui Jiang ◽  
Li Qiu ◽  
Zhenxing Li ◽  
Yanchun Xu
Keyword(s):  
Detection Method ◽  
Theoretical Research ◽  
Line Detection ◽  
Response Analysis ◽  
Advantages And Disadvantages ◽  
Detection Technology ◽  
The Future ◽  
Transformer Winding ◽  
On Line ◽  
Winding Deformation

Background: Winding deformation is one of the most common faults in power transformers, which seriously threatens the safe operation of transformers. In order to discover the hidden trouble of transformer in time, it is of great significance to actively carry out the research of transformer winding deformation detection technology. Methods: In this paper, several methods of winding deformation detection with on-line detection prospects are summarized. The principles and characteristics of each method are analyzed, and the advantages and disadvantages of each method as well as the future research directions are expounded. Finally, aiming at the existing problems, the development direction of detection method for winding deformation in the future is prospected. Results: The on-line frequency response analysis method is still immature, and the vibration detection method is still in the theoretical research stage. Conclusion: The ΔV − I1 locus method provides a new direction for on-line detection of transformer winding deformation faults, which has certain application prospects and practical engineering value.

scholarly journals Sensitivity and Uncertainty Analyses of Human and Organizational Risks in Fire Safety Systems for High-Rise Residential Buildings with Probabilistic T-H-O-Risk Methodology

2021 ◽  
Vol 11 (6) ◽  
pp. 2590
Author(s):  
Samson Tan ◽  
Darryl Weinert ◽  
Paul Joseph ◽  
Khalid Moinuddin
Keyword(s):  
Fire Safety ◽  
Residential Buildings ◽  
Fire Risk ◽  
Regulatory Regime ◽  
High Rise ◽  
Fire Engineering ◽  
Verification Methods ◽  
Uncertainty Analyses ◽  
Risk Methodology ◽  
Probabilistic Risk

Given that existing fire risk models often ignore human and organizational errors (HOEs) ultimately leading to underestimation of risks by as much as 80%, this study employs a technical-human-organizational risk (T-H-O-Risk) methodology to address knowledge gaps in current state-of-the-art probabilistic risk analysis (PRA) for high-rise residential buildings with the following goals: (1) Develop an improved PRA methodology to address concerns that deterministic, fire engineering approaches significantly underestimate safety levels that lead to inaccurate fire safety levels. (2) Enhance existing fire safety verification methods by incorporating probabilistic risk approach and HOEs for (i) a more inclusive view of risk, and (ii) to overcome the deterministic nature of current verification methods. (3) Perform comprehensive sensitivity and uncertainty analyses to address uncertainties in numerical estimates used in fault tree/event trees, Bayesian network and system dynamics and their propagation in a probabilistic model. (4) Quantification of human and organizational risks for high-rise residential buildings which contributes towards a policy agenda in the direction of a sustainable, risk-based regulatory regime. This research contributes to the development of the next-generation building codes and risk assessment methodologies.

scholarly journals Going virtual: youth attitudes toward and experiences of virtual mental health and substance use services during the COVID-19 pandemic

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Lisa D. Hawke ◽  
Natasha Y. Sheikhan ◽  
Karen MacCon ◽  
Joanna Henderson
Keyword(s):  
Mental Health ◽  
Substance Use ◽  
Youth Mental Health ◽  
Research Process ◽  
Clinical Samples ◽  
Future Research ◽  
Advantages And Disadvantages ◽  
Substance Use Services ◽  
Youth Attitudes ◽  
Virtual Services

Abstract Background During the COVID-19 pandemic, youth mental health and substance use services rapidly moved to virtual modalities to meet social distancing requirements. It is important to understand youth attitudes toward and experience of virtual services. Objective This study examined the attitudes toward and experiences of virtual mental health and substance use services among youth drawn from clinical and non-clinical samples. Method Four hundred nine youth completed a survey including questions about their attitudes toward and experience of virtual services. The survey included quantitative and open-ended questions on virtual care, as well as a mental health and substance use screener. Results The majority of youth with mental health or substance use challenges would be willing to consider individual virtual services, but fewer would consider group virtual services. However, many have not received virtual services. Youth are interested in accessing a wide variety of virtual services and other supportive wellness services. Advantages and disadvantages of virtual services are discussed, including accessibility benefits and technological barriers. Discussion As youth mental health and substance use services have rapidly gone virtual during the COVID-19 pandemic, it is essential that we hear the perspectives of youth to promote service utilization among those in need. Diverse, accessible, technologically stable virtual services are required to meet the needs of different youth, possibly with in-person options for some youth. Future research, engaging youth in the research process, is needed to evaluate the efficacy of virtual services to plan for the sustainability of some virtual service gains beyond the pandemic period.

scholarly journals Buildings’ Air Quality in High Traffic

2015 ◽  
Vol 4 (6) ◽  
pp. 23-26
Author(s):  
Литвинова ◽  
Natalya Litvinova
Keyword(s):  
Carbon Monoxide ◽  
Air Quality ◽  
Western Siberia ◽  
Residential Buildings ◽  
Field Studies ◽  
Climatic Conditions ◽  
Sources Of Pollution ◽  
Mobile Sources ◽  
Air Intake ◽  
External Sources

The article presents the results of field studies of air quality depending on mobile sources of pollution. Studies of the carbon monoxide concentration was conducted for the climatic conditions of the South of Western Siberia. The object of the study was residential buildings. The studies were conducted under unfavorable wind speed. Processing of experimental data allowed to obtain the calculated dependences of dimensionless concentration of carbon monoxide (II) on the height of building’s facade under emissions from highways. According to the results of research a nomogram was constructed to determine the optimal air intake height of buildings located near roads of various traffic intensity. Research results and given recommendations allow considering external sources of pollution when designing ventilation of a building.

scholarly journals The extent to which internet school students are used in school libraries within karak Education schools: مدى استخدام طلاب المدارس للإنترنت في المكتبات المدرسية ضمن مدارس تربية الكرك

2021 ◽  
Vol 5 (30) ◽  
pp. 27-39
Author(s):  
Emad Ahmad Zedan Abu- Smhadaneh Emad Ahmad Zedan Abu- Smhadaneh
Keyword(s):  
Research Process ◽  
School Libraries ◽  
The Internet ◽  
School Students ◽  
Internet Service ◽  
Study Approach ◽  
Advantages And Disadvantages ◽  
Basic Services ◽  
Use Of The Internet ◽  
The Impact

The study aims to explore the current reality of internet service in school libraries affiliated with the education of Karak by identifying the advantages and disadvantages of the service and identifying the most important problems facing the use of the Internet in school libraries. The study also aimed to knew the views and perspectives of each of the managers, secretaries and employees of school libraries on the impact of the Internet service in their libraries. The study gains its importance by addressing the issue of the Internet and its basic services in school libraries and its importance and benefits in the scientific research process. The study population consists of students of the education schools in Karak Governorate from the preparatory and secondary school levels. The study sample is represented in the Kasbah of Karak schools for males and females for the preparatory and secondary stages. The researcher used the descriptive, analytical approach and the case study approach. The researcher collected data through books and periodicals that dealt with the Internet topic and the interview with the librarian and the questionnaire. The study came out with a set of findings and recommendations for students and librarians, which will help develop the use of the Internet in school libraries.

scholarly journals Improving modern technology and construction of multi-storey residential buildings by optimizing shuttering works

2019 ◽  
Vol 6 (2) ◽  
Author(s):  
Denis Pogodin ◽  
Nikolay Spiridonov ◽  
Abdulkarim Khalidov
Keyword(s):  
Residential Buildings ◽  
Modern Technology ◽  
Climatic Conditions ◽  
Practical Significance ◽  
Space Planning ◽  
Advantages And Disadvantages ◽  
Planning And Design ◽  
Design Characteristics ◽  
Under Construction ◽  
Structural Solutions

This article deals with the selection of optimal sets of formwork of the object under construction, depending on the space-planning and design solutions. Improving the use of system formwork design. The areas of formwork application are characterized, the requirements for formwork systems are given. The author presents modern types of formwork, which have different design characteristics and are designed for different climatic conditions. In the article the author characterizes the main types of formwork systems used in modern monolithic construction. Development of technology of monolithic reinforced concrete works is largely constrained by the structural shortcomings of formwork systems. The paper proposes a formwork construction module that allows concreting structures with different lengths for each object using one unified formwork panel, based on the space-planning and structural solutions. Thus it is necessary to change only places of fastening of face elements of a timbering. The practical significance of the study lies in the analysis of the advantages and disadvantages of the use of system formwork.

scholarly journals Guidelines for the Use of Voice Alarm Systems Based on the Analysis of Normative and Legal Documents Used in Selected European Countries

2021 ◽  
Vol 57 (1) ◽  
pp. 6-24
Author(s):  
Keyword(s):  
Speech Intelligibility ◽  
Research Evaluation ◽  
Fire Detection ◽  
Research Process ◽  
European Countries ◽  
Theoretical Research ◽  
Normative Documents ◽  
Legal Documents ◽  
Alarm Systems ◽  
Definition Of

Purpose: The aim of this publication is to present the results of theoretical research – evaluation of normative and legal documents used for the design and installation of voice alarm systems (VAS) in selected European countries. The aim of the research was to analyze and compare the functioning of voice alarm systems in Poland against the background of selected European countries. Introduction: Voice alarm systems are systems installed in buildings that enable the broadcast of warning signals and voice messages for the safety of people in the building. Mandatory use of voice alarm systems in selected buildings became applicable in Poland on January 16, 2006. In Europe, these systems have been present before. Over the years, there has been development of both the devices included in the systems, as well as the normative documents and legal acts that describe these systems. Methods: Within the research process, theoretical research was used, such as: analysis of literature and legal documents, synthesis, generalization, inference, comparison and analogy. As part of the research, documents from such countries as Poland, Great Britain (mainly England), Sweden, Norway, Germany and the Netherlands were analyzed. The selection of individual countries was guided by the level of development of these systems in a given country and the availability of source documents. Conclusions: The presented analysis of the requirements for the use of voice alarm systems shows how different the approach to the use of this type of systems is. Depending on individual experiences and the administrative structure of a given country, a variety of regulations, whether legal or normative (not always normative documents issued by state standardization institutions), can be seen in the field of voice alarm systems application. Unfortunately, one can get the impression that voice alarm systems are still not as popular as fire detection systems. The definition of the requirements for buildings in which the use of voice alarm systems should be obligatory and the requirements for the determination of the required level of speech intelligibility consti- tute the basis for the consistent development of this type of fire protection equipment. Such requirements should be specified either in legal regulations or in normative acts dedicated to voice alarm systems. Keywords: safety of evacuation, evacuation of buildings, voice alarm system, EN 54-16, EN 54-24, guidelines Type of article: review article

scholarly journals The Expression of Social and Emotional Competencies of Leadership in Lithuanian Organizations: The Gender Approach

2019 ◽  
Vol 85 ◽  
pp. 51-68
Author(s):  
Violeta Šilingienė ◽  
Dalia Stukaitė
Keyword(s):  
Empirical Research ◽  
Leadership Competencies ◽  
Female Leadership ◽  
Theoretical Research ◽  
Emotional Competencies ◽  
Social And Emotional ◽  
Advantages And Disadvantages ◽  
The Social ◽  
Emotional Leadership ◽  
Social And Emotional Competencies

The phenomenon of gender leadership is a controversial object in contemporary leadership studies. These days, the possibilities of traditional leadership have been limited by the ongoing dynamic, global changes, which have influenced the emergence of female leadership as an independent phenomenon and its separation from the male leadership. Presently, possibilities exist to form new insights about gender leadership. Scholars have begun an intense scientific discussion on the advantages and disadvantages of male and female leadership. The goal of this paper is to disclose the social and emotional leadership competencies of different gender employees. The employed research methods are as follows: an analysis and synthesis of scientific literature with the aim of revealing the peculiarities of gender leadership and defining leadership as a set of social and emotional competencies; quantitative research conducted using a questionnaire-based survey with the aim of empirically determining the manifestation of social and emotional leadership competencies in terms of gender leadership. The theoretical analysis allows us to identify the fundamental trends of gender leadership research. The empirical basis of this article comprises the results of empirical research carried out in 2018. The paper includes an abstract of the theoretical research of gender leadership and the social and emotional leadership competencies based on the research methodology and the results received. According to the results of the empirical research, it is possible to find matching assessments of social and emotional leadership competencies in men and women; certain significant differences exist as well. These results revealed which of the advantages possessed by female leaders tend to lie in their soft management skills: interaction, trust, as well as relationships and skills in working with people.

Sign in / Sign up

Export Citation Format

Share Document