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Wyświetlanie 1-10 z 37
Tytuł:
Koncepcja monitorowania zużycia buforów czasu w harmonogramie budowlanym
Time buffer consumption monitoring concept in the schedule construction
Autorzy:
Pruszyński, K.
Powiązania:
https://bibliotekanauki.pl/articles/403157.pdf
Data publikacji:
2011
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
macierz ryzyka
bufor czasu
metoda łańcucha krytycznego
harmonogramowanie
matrix risk
time buffer
schedulling
Opis:
W artykule przedstawiono jeden z elementów metody harmonogramowania realizacji przedsięwzięć budowlanych z uwzględnieniem buforów czasu – macierz ryzyka w zużyciu bufora czasu. Jego właściwe stosowanie pozwoli na pełną kontrolę przebiegu realizacji robót na budowie. Odpowiedni monitoring buforów czasu oraz późniejsze właściwe decyzje mogą przyczynić się do ukończenia całego zamierzenia budowlanego w ustalonym wcześniej terminie.
The paper presents one of elements for Method of scheduling building project including time buffers – matrix risk of time buffers usage. Its proper usage allow for full control of project implementation course in building site. Appropriate monitoring of time buffers and later proper decision result most of all in finishing all building project in fixed term.
Źródło:
Budownictwo i Inżynieria Środowiska; 2011, 2, 3; 383-388
2081-3279
Pojawia się w:
Budownictwo i Inżynieria Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Universal approach for risk identification and evaluation in underground facilities
Autorzy:
Pytel, Witold
Fuławka, Krzysztof
Pałac-Walko, Bogumiła
Mertuszka, Piotr
Kisiel, Jan
Jalas, Panu
Joutsenvaara, Jari
Shekov, Vitali
Powiązania:
https://bibliotekanauki.pl/articles/1402360.pdf
Data publikacji:
2020
Wydawca:
Politechnika Wrocławska. Wydział Geoinżynierii, Górnictwa i Geologii. Instytut Górnictwa
Tematy:
risk assessment
risk matrix
numerical modelling
underground laboratory
Opis:
Underground laboratories provide a unique environment for various industries and are the perfect place for developing new technologies for mining, geophysical surveys, radiation detection as well as many other studies and measurements. Unfortunately working in underground excavations is associated with exposure to many hazards not encountered in the laboratories located on the surface. Water inflow, gas burst, roof fall and even seismic hazards translate into high accident rates in the underground mining industry across the globe. Therefore, to minimise the risk of serious accidents, a lot of research investigations related to the development of effective risk assessment procedures are being carried out. One of the initiatives aimed at improving the work safety in underground laboratories in the Baltic Sea Innovation Network project implemented under the Interreg Baltic Sea Region Programme. This study presents the process of compiling a database on hazards within underground laboratories. Finally, a proposal of unification of the procedure for risk assessment, including methods for determining the likelihood and potential impact of unwanted events has been developed.
Źródło:
Mining Science; 2020, 27; 165-181
2300-9586
2353-5423
Pojawia się w:
Mining Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Macierz ryzyka jako narzędzie oceny zagrożeń bezpieczeństwa informacji
Risk miscellaneous as a tool for evidenceof information hazardous risks
Autorzy:
Pietras, E.
Powiązania:
https://bibliotekanauki.pl/articles/113157.pdf
Data publikacji:
2017
Wydawca:
STE GROUP
Tematy:
szacowanie ryzyka
macierz ryzyka
risk assessment
risk matrix
Opis:
Aby zarządzać ryzykiem w danym przedsiębiorstwie należy precyzyjnie określić jego źródła powstawania, które możemy znaleźć w jego otoczeniu jak i samej organizacji. Wnikliwe i dokładne określenie źródła powstawania zagrożeń pomoże ustrzec przedsiębiorstwo od destabilizacji i nadmiernych strat. Artykuł podejmuje temat utraty bezpieczeństwa informacji zgodnego z normą PN-I_13335-1:1999, która określa wytyczne dotyczące zarządzania bezpieczeństwem systemów informatycznych. Celem artykułu jest zidentyfikowanie zagrożeń występujących w przedsiębiorstwie, znaleźć miejsca ich występowania oraz przeprowadzeniu analizy ryzyka za pomocą narzędzia jakim jest macierz ryzyka.
In order to manage the risk in a given enterprise, it is necessary to precisely define its origins, which we can find in its environment as well as the organization itself. Thorough and accurate identification of the source of the hazards will help prevent the company from destabilizing and over-losses. This article deals with information security loophole in accordance with PN-I_13335-1:1999, which defines guidelines for the management of information systems security. The purpose of this article is to identify the threats that occur in an enterprise, find out where they are, and perform risk analysis with a risk matrix tool.
Źródło:
Systemy Wspomagania w Inżynierii Produkcji; 2017, 6, 9; 71-82
2391-9361
Pojawia się w:
Systemy Wspomagania w Inżynierii Produkcji
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Risk analysis with an application to local road infrastructure
Autorzy:
Kokoszka, W.
Powiązania:
https://bibliotekanauki.pl/articles/104525.pdf
Data publikacji:
2018
Wydawca:
Politechnika Rzeszowska im. Ignacego Łukasiewicza. Oficyna Wydawnicza
Tematy:
natural hazard
road
flood
landslide
risk matrix
Opis:
The paper presents the concept of the risk evaluation for road infrastructure exposed to natural hazards - floods and landslides. Floods and surface mass movements impose a serious threat to the contemporary activities and people’s lives in modern economy. The natural meteorological and hydrological phenomena are main causes of a landslide activation. Typically, heavy or prolonged rain is combined with the progressive flooding. In river valleys, an increased lateral erosion of rivers and rapid snow melting in early spring would also lead to flood events. In Poland, the Carpathian regions are mostly predisposed to the formation of landslides. This may be favoured by the nature of shapes associated with high and steeply sloping slopes of the valleys and flysch geological structure. The paper presents the general characteristics of precipitation in Poland and the concept of a risk assessment with risk matrix. The issue is illustrated by an exemplary detailed risk matrix for a selected section of the road infrastructure in Subcarpathian province.
Źródło:
Czasopismo Inżynierii Lądowej, Środowiska i Architektury; 2018, 65, 4; 69-80
2300-5130
2300-8903
Pojawia się w:
Czasopismo Inżynierii Lądowej, Środowiska i Architektury
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Risk-based maintenance assessment in the manufacturing industry: minimisation of suboptimal prioritisation
Autorzy:
Ratnayake, R. M. Chandima
Antosz, K.
Powiązania:
https://bibliotekanauki.pl/articles/406817.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
classification
fuzzy logic
manufacturing firms
risk based maintenance
risk matrix
Opis:
Manufacturing firms continuously strive to increase the efficiency and effectiveness in the maintenance management processes. Focus is placed on eliminating the unexpected failures which cause unnecessary costs and the production losses. Risk-based maintenance (RBM) strategies enable to address the above through the identification of probability and consequences of potential failures whilst providing a way for prioritisation of maintenance actions based on the risk of possible failures. Such prioritisations enable to identify the optimal maintenance strategy, intervals of maintenance tasks, and optimal level of spare parts inventory. However, the risk assessment activities are performed with the support of a risk matrix. Suboptimal classifications and/or prioritisations arise due to the inherent nature of the risk matrix. This is caused by the fact that there are no means to incorporate actual circumstances at the boundary of the input ranges or at the levels of linguistic data and risk categories. In this paper, a risk matrix is first developed in collaboration with one of the manufacturing firms in Poland. Then, it illustrates the use of fuzzy logic for minimisation of suboptimal prioritisation and/or classifications using a fuzzy inference system (FIS) together with illustrative membership functions and a rule base. Finally, an illustrative risk assessment is also demonstrated to illustrate the methodology.
Źródło:
Management and Production Engineering Review; 2017, 8, 1; 38-45
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Matrix of risk factors for railway construction projects
Matryca czynników ryzyka dla projektów kolejowych
Autorzy:
Kowalski, J.
Lendo-Siwicka, M.
Powiązania:
https://bibliotekanauki.pl/articles/2084056.pdf
Data publikacji:
2021
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
threat identification
risk
railway investments
planning of construction works
risk matrix
Opis:
The article presents main assumptions of an original method for scheduling railway investments in Poland, taking into account the risk factors during their implementation. The risk factors were identified by the authors during extensive research and analysis. Based on the proposed method, a future user will be able to determine the most likely cost and duration of a planned investment. The article also presents the implementation of the method in a real investment process (construction project) in terms of its implementation time. When designing the method, it was assumed that the method which is not complicated to implement and is supported by an appropriate computational program will motivate teams planning railway projects to implement them in real implementation processes and increase the credibility of their schedules.
Źródło:
Acta Scientiarum Polonorum. Architectura; 2021, 20, 3; 55-61
1644-0633
Pojawia się w:
Acta Scientiarum Polonorum. Architectura
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis and evaluation of hazards in emergency situations in water supply systems
Autorzy:
Boryczko, K.
Rak, J.
Powiązania:
https://bibliotekanauki.pl/articles/96825.pdf
Data publikacji:
2018
Wydawca:
Fundacja Ekonomistów Środowiska i Zasobów Naturalnych
Tematy:
water supply
risk
risk matrix
zaopatrzenie w wodę
ryzyko
macierz ryzyka
Opis:
The new regulation concerning the quality of drinking water offers a number of delegations on the waterworks inform users about the quality of tap water. The study analysis on the public risk health should be prepared. In the paper the analysis and assessment method of the population and property related to failure occurrence of collective water supply systems is presented. Four categories of factors having impact on the multiplicative risk: purity category or probability of danger occurrence, material damage, loss of population health and security were adopted. On this basis four-parametric risk matrix was developed. In the study also examples of application methods were presented. The method can provide a planning tool in crisis management at the local government level.
Źródło:
Ekonomia i Środowisko; 2018, 2; 8-17
0867-8898
Pojawia się w:
Ekonomia i Środowisko
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Implementation of matrix methods in flood risk analysis and assessment
Autorzy:
Tchórzewska-Cieślak, B.
Pietrucha-Urbanik, K.
Zygmunt, A.
Powiązania:
https://bibliotekanauki.pl/articles/96196.pdf
Data publikacji:
2018
Wydawca:
Fundacja Ekonomistów Środowiska i Zasobów Naturalnych
Tematy:
flood risk
risk matrix
flood losses
zagrożenie powodziowe
macierz ryzyka
straty powodziowe
Opis:
In the work the matrix methods of flood risk analysis and assessment were presented. Also the issue of flood risk in terms of its regulations was presented. The flood risk analysis and assessment were performed with the use of risk matrix for one of the Subcarpathian commune. For this purpose, flood risk maps were prepared and potential flood losses were calculated in accordance with existing legislation.
Źródło:
Ekonomia i Środowisko; 2018, 3; 8-24
0867-8898
Pojawia się w:
Ekonomia i Środowisko
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Health risk assessment resulting from the presence of Legionella bacteria in domestic hot water in public buildings – the results of a pilot study
Autorzy:
Kmiecik, Ewa
Wątor, Katarzyna
Chochorek, Aneta
Kołodziej, Mateusz
Mika, Anna
Krawiec, Arkadiusz
Herzig, Janusz
Powiązania:
https://bibliotekanauki.pl/articles/1841764.pdf
Data publikacji:
2021
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
Legionella pneumophila
tap water
public building
quantitative risk assessment
microbial risk assessment
risk matrix
Opis:
The aim of the study was to assess the risk posed by Legionella bacteria in a public building in Krakow. An old building with internal installation risers of different ages, as well as draw-off points of different types, was selected for testing. Samples were collected during two campaigns. In one sample of the first series of tests, no bacteria were found. During the second series of tests, no Legionella bacilli were found in just one sample and in one sample only 4 colony-forming units were detected. At the remaining draw-off points (water taps), the bacteria count detected were greater than the maximum threshold allowed by legal regulations (admissible threshold for public utility buildings – 100 cfu/100 mL). No morphological differences were observed with respect to the occurrence of specific serogroups. In 14 samples, Legionella pneumophila serogroups 2–14 were found, while the Legionella pneumophila serogroup 1 was only found in one sample. The risk assessment was also carried out based on a semi-quantitative risk matrix approach and as a quantitative microbial risk assessment. The risk matrix approach was successfully implemented for the recognition of the potential risk associated with the Legionella occurrence in a water system. The calculated annual cumulative risk is high. The research shows that even if the weekly inhalation exposure dose (and therefore the calculated risk) is high, the number of Legionella pneumophila illness cases found can be equal to zero. This is probably due to the large uncertainty associated with QMRA determination. The size of the room in which the contaminated water is used also affects the possibility of infection.
Źródło:
Geology, Geophysics and Environment; 2021, 47, 1; 41-52
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of the impact of working risks in the exploitation of raw materials
Autorzy:
Seňová, Andrea
Pavolová, Henrieta
Škvareková, Erika
Powiązania:
https://bibliotekanauki.pl/articles/27315593.pdf
Data publikacji:
2023
Wydawca:
STE GROUP
Tematy:
occupational safety
risk management
occupational injury
FTA model
mining company
risks
risk matrix
Opis:
The presented article deals with the use and evaluation of individual risks of work in the environment of Slovak mining company. The mining company is also a manufacturing company. The company mines the raw material and the final product (clinker). The main goal of the article is to monitor the incidence of accidents over the last 10 years, to analyse the group of risks that have a significant impact on accidents in mining companies and to evaluate them. The Risk Matrix, shows the relationship between estimated consequences and probability of risks formation. The next step is to use the workplace Risk Assessment Method to define acceptable risks and minimize the impact on workers. Another method we used is the Fault Tree Analysis (FTA) model. The output of the FTA model is the creation of a faulty tree, which resulted in the individual traumatized accidents that resulted in the definition of the resulting risk - namely a load injury.
Źródło:
Management Systems in Production Engineering; 2023, 1 (31); 86--94
2299-0461
Pojawia się w:
Management Systems in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-10 z 37

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