Human and Organization Errors in Reliability of Offshore Structures

1997 ◽  
Vol 119 (1) ◽  
pp. 46-52 ◽  
Author(s):  
R. G. Bea
Keyword(s):  
Quality Control ◽  
Quality Assurance ◽  
Life Cycle ◽  
Offshore Structures ◽  
Quality Characteristics ◽  
Assessment Process ◽  
Environmental Considerations ◽  
Generic Process

This paper addresses human and organization errors (HOE) in the context of quantitative reliability analyses (QRA) that are intended to help improve the quality of offshore structures. A classification of HOE is proposed that addresses individual, organization, equipment/hardware, procedures/software, and environmental considerations. A generic process to address the life-cycle quality characteristics of offshore structures incorporating HOE is discussed. Based on these developments, a probability-based risk analysis is developed that addresses HOE in addition to the structure system aspects. Alternatives for improved management of HOE are discussed including quality assurance and quality control (QA/QC), and design of error-tolerant or “robust” structures. Application of the HOE classification, generic assessment process, QRA formulation, and QA/QC measures are illustrated.

scholarly journals New requirements for technical acceptability of construction products as a component of the construction quality assurance system

2021 ◽  
Vol 1 (47) ◽  
pp. 108-118
Author(s):  
O. Lytvynenko
Keyword(s):  
Quality Control ◽  
Quality Assurance ◽  
Life Cycle ◽  
Quality System ◽  
Cloud Services ◽  
Quality Assurance System ◽  
Construction Quality ◽  
Assurance System ◽  
Construction Products

The analysis and generalization of theoretical approaches to the formation of the construction quality system, the generalization of the legislative and regulatory framework for quality control in construction. Analysis of the theoretical prerequisites for the formation of quality control of construction revealed that the digital transformation of construction is an integral part of the development of modern society, a prerequisite for changing the system of construction, including control, quality assurance and evaluation of construction processes, works, materials, products and structures. It was found that the quality in construction is directly affected by the following factors: quality and completeness of design documentation; the possibility and obligation to comply with legal requirements; quality of construction processes and works, strict compliance with the requirements of technology and construction organization; quality of construction products and structures; technical ability to provide a given level of quality with the help of machines, mechanisms, means of small mechanization, etc .; the level of qualification of management staff, workers and line ITP. The quality system itself can be presented in the format of a "black box", where the factor will be named at the entrance, and at the exit - buildings and structures that meet a given level of quality throughout the life cycle of the object. It is proposed to consider the construction quality management system in the form of a multicomponent formation and at the same time a dynamic environment, which is constantly changing under the influence of external and internal factors and has a high degree of scholasticism and uncertainty. With the introduction of digital technologies in the organization of construction, including VIM modeling, use of artificial intelligence, cloud services for information storage, quality control tools that can be performed without human intervention, such as drones, robotic elements, surveillance cameras and others, the construction quality assurance system has to change, taking into account the realities of time. Therefore, the system of quality formation in the article is proposed to be considered throughout the life cycle of the object - from pre-project research to liquidation. This will, in contrast to existing approaches, not only combine into a single system all the components of assurance, evaluation and quality control, which are used at the level of all participants in the construction, but also to ensure integrated process management.

A Methodology for Integrated Quality Systems

1987 ◽  
Vol 109 (3) ◽  
pp. 241-247 ◽  
Author(s):  
M. I. Dessouky ◽  
S. G. Kapoor ◽  
R. E. DeVor
Keyword(s):  
Quality Control ◽  
Life Cycle ◽  
Process Parameters ◽  
Material Properties ◽  
Product Life Cycle ◽  
Quality Characteristics ◽  
Product Performance ◽  
Quality Systems ◽  
Quality Of Products

This paper proposes a methodology for the design of a system for planning and controlling the quality of products and processes. The system considers the relationships of quality-related parameters along the stages of a product life cycle. Parameters include material properties, process parameters, product quality characteristics, and product performance in use. The methodology is based on modeling the transformation taking place at every stage and on the design of quality control windows which perform all the functions of a control cycle. Several applications of the methodology are described.

Construction Control As A Strategy For Improving The Quality Of Buildings And Structures

2020 ◽  
Keyword(s):  
Quality Control ◽  
Life Cycle ◽  
Construction Control ◽  
Construction Sites ◽  
Actual Problem ◽  
Construction Market ◽  
Construction Products ◽  
Underlying Causes ◽  
Required Quality

In construction production, the safety of constructing buildings and structures is achieved by ensuring the required quality as a result of systematic construction control based on the implementation of a complex of technical, economic and organizational measures at all stages of the object's life cycle. The article deals with the actual problem of improving the quality of construction products-buildings and structures in conjunction with the activities of construction control bodies. The article presents the advanced foreign and domestic experience of ensuring the quality control at the construction sites, providing for the prevention of the underlying causes of defects and increasing the interest of the contractors directly. On the basis of the analysis of the current situation with quality control at the construction market, ways to improve its efficiency by developing a unified system of technological implementation of relevant requirements for the quality of construction products, determining the rational number and business load of construction control engineers, as well as the active activities of self-regulatory organizations in this area are offered.

scholarly journals Quality characteristics of spatial furniture

2009 ◽  
pp. 135-145 ◽  
Author(s):  
Dusan Skakic ◽  
Igor Dzincic
Keyword(s):  
Quality Control ◽  
Quality Characteristics ◽  
High Quality ◽  
Production Economy ◽  
Production Practice ◽  
Basic Quality ◽  
Quality Of Products ◽  
Quality Production

The quality of products represents one of the key aims of any modern organized production. In the production practice, it is essential to establish the optimal relationship between quality, production economy and delivery deadlines. Furniture quality is evaluated by three levels and they are: basic quality, high quality and especially high quality. The results presented in this paper are based on the sample measurements of chairs and tables during 2007 and 2008 at the Institute for Furniture Quality Control.

scholarly journals L-TARTARIC ACID: PRODUCTION TECHNOLOGY, ECONOMIC GROWTH AND QUALITY CONTROL

2018 ◽  
Vol 15 (30) ◽  
pp. 12-18
Author(s):  
G. D. LEIROSE ◽  
M-F GRENIER-LOUS TALOT ◽  
A. H. OLIVEIRA
Keyword(s):  
Economic Growth ◽  
Hydrogen Peroxide ◽  
Quality Control ◽  
Quality Assurance ◽  
Tartaric Acid ◽  
Molecular Formula ◽  
Natural Substances ◽  
By Products ◽  
Final Consumer

Natural substances are the basis of many types of industries and represent a growing market. The study of these products and the development of analytical methods should accompany this growth to ensure quality and provenance to consumers. An example to be discussed is the L(+)-Tartaric acid, an organic compound of molecular formula C4H6O6. This organic acid is widely applied in wine, food and pharmaceutical industry. It is obtained naturally through the fermentation of fruits, especially grape and tamarind. Synthetically, there are two ways of obtaining L(+)-tartaric acid on industrial scale. It can be synthesized by the reaction of maleic anhydride with hydrogen peroxide, which is derived from petroleum by-products. And by biotechnological synthesis, in which cis-epoxy succinic acid, also derived from petroleum, is converted into L(+)-tartaric acid by hydrolase enzyme. The market for tartaric acid is growing and is considered promising. Currently, there is a lack of legislation and specific rules that allow classification of tartaric acid according to its origin. This legal vacuum precludes quality assurance for the consumer. This lack of safety is a matter of great concern as applications of tartaric acid come directly to final consumer.

Analysis of Contractor Pay Adjustment Schedule Using Simulation

1996 ◽  
Vol 1544 (1) ◽  
pp. 109-115
Author(s):  
Robert P. Elliott ◽  
Yanjun Qiu
Keyword(s):  
Computer Simulation ◽  
Quality Control ◽  
Quality Assurance ◽  
Quality Index ◽  
Direct Analysis ◽  
Detailed Examination ◽  
Construction Contracts ◽  
Simulation Process ◽  
Control Quality

A common provision in quality control/quality assurance construction contracts is the adjustment of the contractor's pay on the basis of the quality of the construction. The expected impact of the provision on the pay should be examined to ensure that the adjustments are neither unduly severe nor excessively lenient. Most pay adjustment plans have been developed around a quality index by using a percent defective approach. Analyses of these plans are complex but reasonably well defined. Other plans, however, are more complex and do not lend themselves to direct analysis. These plans can be examined by computer simulation. The use of computer simulation to examine a complex pay adjustment provision is demonstrated. The analyses show that simulation can reveal that a pay adjustment schedule behaves differently than it appears on the surface. For example, the schedule examined bases pay solely on averages and appears to ignore construction variability. The analyses, however, demonstrate that the pay adjustments are at least as sensitive to construction variability as they are to construction averages. It is also shown that the simulation process can provide a better, more detailed examination of the pay schedule than is possible by simply determining the expected pay. In particular, the simulation process can provide an indication of the variability of pay at various quality levels and can identify the factors most responsible for pay adjustments.

scholarly journals Monitoring the quality of sewer renewal using polymeric systems in Sweden

2019 ◽  
Vol 14 (3) ◽  
pp. 605-613 ◽  
Author(s):  
Parastou Kharazmi
Keyword(s):  
Quality Control ◽  
Quality Assurance ◽  
Field Studies ◽  
Infrastructure Investment ◽  
Sufficient Information ◽  
Polymeric Systems ◽  
Water And Wastewater ◽  
Pipe Replacement ◽  
Different Parts

Abstract Water and wastewater pipes require some of the highest levels of infrastructure investment; they also deteriorate faster than they can be repaired. The use of alternative rehabilitation technologies, which are quicker and less expensive than pipe replacement, has therefore increased significantly in recent years, worldwide. Field studies on relined wastewater pipes removed from buildings in different parts of Sweden revealed the existence of a variety of common defects, most of which could have been prevented by better installation. Increased quality-focused monitoring could help to ensure that relined pipes reach their expected service life, while comprehensive documentation could assist in providing sufficient information to facilitate progress in the field. This paper includes a brief overview of the technologies used in Sweden, current quality control practices, repeated observed defects related to installation, crucial steps that affect final quality, and recommendations to be considered in the contexts of detailed quality control and quality assurance procedures.

scholarly journals ON THE INTERNAL LOGIC OF THE ECONOMIC SCIENCE DEVELOPMENT (UNDER THE BURDEN OF KNOWLEDGE AND DOUBT)

2020 ◽  
pp. 7-18
Author(s):  
Василий Владимирович Чекмарев ◽  
Владимир Васильевич Чекмарев ◽  
Александр Федорович Швец
Keyword(s):  
Economic Theory ◽  
Life Cycle ◽  
Statistical Data ◽  
Economic Science ◽  
Economic Knowledge ◽  
Sharp Drop ◽  
Internal Logic ◽  
Conceptual Apparatus

Целью настоящей статьи является исследование внутренней логики развития экономической науки как причины формирования парадигмального взгляда на развитие современной экономики. Факторов-причин, влияющих на формирование нового парадигмального взгляда на фундаментальное основание экономической науки, достаточно много [2, с. 58-64]. Среди них можно назвать, например, такие, как критерии научной достоверности в их историко-диалектическом жизненном цикле, новые стандарты научной аргументации с учетом резкого падения качества статистических данных и возможности использования фактов, шумонаполняемость понятийного аппарата науки (например - бургерэкономика, билингвальность, иммерсивный сторителлинг). Авторами обосновано, что одним из направлений перестройки научного мышления является становление полицентрического образа фундаментальной экономической науки. Научная новизна полученных результатов заключается в формулировании принципов и критериев классификации экономических знаний, а также в доказательстве продуктивности определения названия фундаментальной основы экономической науки, как общей экономической теории. The purpose of this article is to study the internal logic of the development of economic science, as the reason for the formation of a paradigmatic view of the development of modern economics. There are a lot of factors-reasons influencing the formation of a new paradigmatic view of the fundamental basis of economic science [2, p. 58-64]. Among them, one can name, for example, criteria of scientific reliability in their historical-dialectical life cycle, new standards of scientific argumentation, taking into account a sharp drop in the quality of statistical data and the possibility of using facts, noise filling of the conceptual apparatus of science (for example, burger economics, bilingualism, immersive storytelling). The authors substantiated that one of the directions of the restructuring of scientific thinking is the formation of a polycentric image of fundamental economic science. The scientific novelty of the results obtained lies in the formulation of principles and criteria for the classification of economic knowledge, as well as in the proof of the productivity of determining the name of the fundamental basis of economic science as a general economic theory.

scholarly journals Benchmarking feature quality assurance strategies for non-targeted metabolomics

2021 ◽  
Author(s):  
Yasin El Abiead ◽  
Maximilian Milford ◽  
Harald Schoeny ◽  
Mate Rusz ◽  
Reza M Salek ◽  
...  
Keyword(s):  
Quality Control ◽  
Quality Assurance ◽  
Liquid Chromatography ◽  
Deep Learning ◽  
Performance Metrics ◽  
Targeted Metabolomics ◽  
Mass Spec ◽  
Chromatographic Peaks ◽  
Resolution Mass

Automated data pre-processing (DPP) forms the basis of any liquid chromatography-high resolution mass spec-trometry-driven non-targeted metabolomics experiment. However, current strategies for quality control of this im-portant step have rarely been investigated or even discussed. We exemplified how reliable benchmark peak lists could be generated for eleven publicly available datasets acquired across different instrumental platforms. Moreover, we demonstrated how these benchmarks can be utilized to derive performance metrics for DPP and tested whether these metrics can be generalized for entire datasets. Relying on this principle, we cross-validated different strategies for quality assurance of DPP, including manual parameter adjustment, variance of replicate injection-based metrics, unsupervised clustering performance, automated parameter optimization, and deep learning-based classification of chromatographic peaks. Overall, we want to highlight the importance of assessing DPP performance on a regular basis.

scholarly journals Development of a Methodology for the Design and Management of Academic Strategy – A Holist Approach using Multi-criteria Analysis Techniques

2020 ◽  
Author(s):  
Manolis Chalaris ◽  
Stefanos Gritzalis ◽  
Cleo Sgouropoulou ◽  
Manolis Maragoudakis
Keyword(s):  
Quality Assurance ◽  
Research Paper ◽  
Analysis Techniques ◽  
Holistic Management ◽  
Operational Quality ◽  
Holistic Process ◽  
Innovative Solution ◽  
Academic Strategy

Aim of the current research paper is to propose an innovative solution for the problematic of the holistic management of an academic strategy. The systematic bibliographic surveys conducted showed that the combination of BSC method together with a multitude of MCDA techniques constitute the most important tools for this issue. Thus, we propose a holistic process-based methodology for the management of an academic strategy which spans from its design and oversight, to interpretation issues of the academic classification of departments of Universities or between Universities where assembly bodies (Quality Assurance Unit, HAHE) are active. We claim that our methodology is of particular importance and that its use will highlight the operational quality of well organised Universities.

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