scholarly journals Analisis Kualitas Distribusi Air Menggunakan Metode Six Sigma DMAIC Pada Pdam Surya Sembada Kota Surabaya

2019 ◽  
Vol 2 (3) ◽  
pp. 315-329
Author(s):  
Evi Maria Ulfah ◽  
Tuwanku Aria Auliandri

PDAM Surya Sembada Surabaya is a water supply company. This company distributes and supplies hygienic water to all residents in Surabaya. PDAM Surya Sembada Surabaya always tries to make customers satisfied with the provided services. Moreover, the company also tries to continue the improvements based on the management quality of ISO 9001: 2008. However, in the process of water distribution, some customers are still complaining due to the PDAM’s service, which indicates that not all the customers are satisfied. It is the duty of PDAM Surabaya to improve the quality services. This study focuses on providing the causes defects analysis of PDAM Surabaya Surya Sembada water distribution using the Six Sigma DMAIC. This study used descriptive qualitative approach with an emphasis on the question of how. The results of the research proved that there are two defects in the water distribution change into CTQ; defect TDA (No Water) and IMR (stench muddy water). In 2015, performance of Surabaya PDAM Surya Sembada showed the DPMO value as 844 and the value of capability sigma as 4.64. Based on Pareto diagram, this study stated that the dominant defect is TDA. This study applied the basic cause effect diagram to show the defect cause problem and used FMEA as a recommendation for continuous improvement that is expected to achieve zero defects. Keywords: Six Sigma, defect, DMAIC, DPMO, value of capability sigma, CTQ, Pareto charts, cause and effect diagram, FMEA.

2019 ◽  
Vol 11 (2) ◽  
pp. 418
Author(s):  
Winona Almira ◽  
Wiguna Alodia

its implementation, a smart city needs collaboration between government, people, and technology. From those elements, the human factor is the important thing that determines the success of a Smart city. However, in fact, the percentage of Indonesian citizens accessing government-owned sites and applications is still very low, less than 15%. This study aims to provide recommendations for a more interesting Smart City application design through gamification concept. In this study, a qualitative approach with Six Sigma method was conducted on millennial respondents in several major cities in Indonesia. From the study results, 87% of users feel more interested in the modified application. This innovation is expected to lead to increased citizen involvement. This innovation will not only improve citizen participation but also can be an effective solution to improve the quality of citizens to become Smart People, as initial capital in building Smart Economy.  


2018 ◽  
Vol 4 (1) ◽  
pp. 56
Author(s):  
SIGIT HERMAWAN ◽  
MARIYA ULFA

The purpose of this research is to know how big the role of ISO 9001:2000 to a company that has been applied using cost-based approach to six sigma quality. ISO 9001:2000 is a standard on quality management. With the implementation of ISO 9001:2000 is to determine its effect on fee levels of quality. Where quality costs are the costs accrued or incurred to prevent and improve the quality of which occur as a result of not reaching the specifications of products or services that have been set. The analytical tool used in Six Sigma approach is the number of defects each year in each production department so it can know which department has the largest number of product failure as compared with total production in which the department will be the object of research. Besides, the cost of the quality of the department which has the largest defects will be analyzed to determine the total effectiveness of the department. The results of this study is the successful application of ISO 9001:2000 at PT Honda Precision Parts Manufacturing measured using six sigma where sigma approach in the year 2004-2009 has increased. As for the cost of quality is itself an increase in the cost of prevention and appraisal costs. This shows an improvement in terms of quality has been going well. Based on the above information, it can be concluded that the increase in sigma and increased costs of prevention and appraisal costs are not separated from the role of ISO 9001:2000 which has been applied. It is evident that any improvements made as specified in ISO 9001:2000 concept will cause a rise in the cost of some components in the calculation of quality costs, but improvements are made will affect the production of goods falling NG or defect that ultimately reduce overall quality costs. 


Author(s):  
Anzhelika Emel'yanovich ◽  
Sergey Koval ◽  
Alexander Kakorin

The authors consider the internal and external reserves of improving the quality of products at the enterprises that produce reinforced concrete. The research objective was to study and substantiate the external and internal factors, thus improving the effectiveness of quality management. The paper focuses on the use of such tool of sustainable development as "Six Sigma", which is considered as an important factor in product quality management. The paper also features the process of certification as an external tool that can improve quality management in the construction industry. The authors justified the necessity of mandatory certification of construction products when bidding for a tender. The paper also reviews the experience of sustainable production at reinforced concrete plants. The problems of product quality in the industry are of strategic nature and can cause economic, environmental, and other negative consequences. Quality management should become compulsory in the industry since its products are designed exclusively for the domestic market. As a result, its certification according to State Standards ISO 9001 or GOST R ISO 9001 is absolutely voluntary and performs only image-making functions. As far as tenders for state orders are concerned, mandatory certification may solve the existing problems with the quality of construction work. As internal quality management tool, the concept of "Six Sigma" can be useful for concrete works.


2018 ◽  
Author(s):  
Suyitno

Vocational education as one part of the system Education of National is very strategic role for the form of national labour generation which was skillful. As strive to improve management and quality and also competitiveness hence applied by management system quality of ISO 9001:2008 in Public Vocational High School of 1 at Singosari. Research focussed 1) How System Implementation Management Quality of ISO 9001:2008 in Public Vocational High School of 1 at Singosari, 2) Effort what is done by for the agenda of overcoming various resistance faced in management system implementation quality of ISO 9001:2008 in Public Vocational High School of 1 at Singosari. Method Research weared in this research is device qualitative with method intake of data through interview, documentation and observation to informant namely components in Public Vocational High School of 1 at Singosari. While data analysis through analysis of interactive (Miles and Huberman, 1994).Research finding of research focus I: 1) conducting two qualifying which have been commended by ISO 9001:2008, namely System Design Of Management Quality of through step of plan-do-check-action ( P-D-C-A) and Documentation System Management Quality of. Management Top (principal) organizational have to compare expectation of the customer with Organizational performance able to determine direction policy of Organization. 2). Have Commitment of customer satisfaction either from internal and external school started by given the expectation and requirement of customer. 3). Process looked into a study which continue to have continuation and over there will happened repairs to performance 4). Management system implementation quality of ISO 9001:2008 in Public Vocational High School of 1 at Singosari qualify total involvement from entire school component. Focus II: 1) Steps the done by principal in developing this commitment for example always communicate vision, target and mission go to school and also remind obligation and duty will each and also always inform position growth of school to all student and teachers 2) Process study to employees and teachers through giving of instruction work in writing and followed with explanation is verbally looked into by an effective enough in improving their motivation with cultural of quality. 3). Leader go to school and entire school component have high commitment to do repair on an ongoing with step of Plan, Do, Check and of Action by have cycle to supported by source which with quality.


2018 ◽  
Vol 13 (Number 2) ◽  
pp. 67-77
Author(s):  
Anis Syamimi Abd Rahim ◽  
Mohd Norhasni Mohd Asaad

The purpose of this study is to review the implementation of ISO 9001:2015 in order to improve the quality of services at Pusat Kesihatan Universiti (PKU), Universiti Utara Malaysia. The respondents of this study were customers at the PKU, UUM. The questionnaire was distributed to 50 respondents. The data were analyzed using SPSS software version 24. The data were tested using descriptive statistics, and correlation analysis to answer the research questions and to achieve the objectives. The findings show that customers agree that implementation of ISO 9001:2015 give service at PKU, UUM is good and satisfied. Through the correlation test, the results showed that the relationship between the implementation of ISO 9001:2015 has a positive and significant impact on customer satisfaction and the effect of implementing ISO 9001:2015 has a positive and significant impact in improving quality of service at PKU, UUM.Through mean and standard deviation tests, results show that tangible dimensions are the main dimensions of customer satisfaction while dimensions with low values are dimensions of responsiveness.Therefore, all aspects of service in PKU, UUM will be strengthened and all aspects of the weaknesses could be addressed to improve the service in order to maintain good quality services.


GIS Business ◽  
2016 ◽  
Vol 11 (6) ◽  
pp. 28-38
Author(s):  
Dinis Daniel Santos ◽  
Elias Soukiazis

This work uses a simultaneous equation system approach to analyze the relationship between the management and business quality of companies and their market price quality. Using panel data we found that both the management and the business quality of companies positively influence the market price quality of the studied American companies. Additionally, variables like the actual position of the company price quality compared to the industry average, being on the top or the bottom, or the beta value of a company, also influence the market price quality of the respective company. It is shown that the system equation approach is the most appropriate to explain the linkages between price, business, and management quality providing consistent estimates. Also, using ratings to express the three core variables in the system is the most adequate way to define the quality characteristics in terms of price, management, and business performance of the companies considered in this study.


2019 ◽  
Vol 26 (4) ◽  
pp. 340-351
Author(s):  
Alberto Carlo Cajavilca ◽  
Marta Tostes

Purpose The purpose of this paper is to examine the role and contribution of San Martin and Chazuta subnational governments in promoting development and internationalization of the cocoa and chocolate value chain from the stakeholders’ perceptions. This work was based on a qualitative approach in which information triangulation method, information processing with evaluation rubric and WebQDA software were used. The results showed that stakeholders of both value chains perceive that the subnational government’s actions taken to develop and internationalize these value chains are poorly valued and insufficient. Likewise, six internationalization barriers were identified in which two are perceived as the main limitations: low productivity levels and access to innovations and technology. These results contribute to enrich the decision-making process of political authorities and public officials from the San Martin subnational governments. Moreover, they provide information, according to the Peruvian national requirements, on the perceptions needed to rethink and improve the governmental services available, especially productive activities in the rainforest area (Presidencia del Consejo de Ministros, 2015; Wiener Fresco, 2010). This can improve or create new extension services to increase the quality of the Chazuta’s cocoa and chocolate products and to facilitate their entry into more demanding and profitable markets (Shapira, y otros, 2015). Design/methodology/approach This paper has been developed by using a qualitative approach with an exploratory and descriptive scope. The objective was to examine a study case of how subnational governments contribute in the promotion of development and internationalization of agro-industrial value chains as alternatives to illicit crops (Hernandez, Fernandez, & Baptista, 2010). The Chazuta case was selected because it is representative of the region in terms of coca eradication and is located between two regions of high biodiversity – Cordillera Escalera Regional Conservation Area and Cordillera Azul National Park. Findings One of the issues hindering the ability of the Chazuta cocoa and chocolate producers is based on their perception that the subnational governments’ efforts are focused on meeting already-established goals and little emphasis is placed on solving productive problems. On the other hand, at an articulation level, the most relevant efforts have been connecting the cocoa and chocolate customers to Chazuta producers through events. In spite of this, such events are not considered a permanent activity and the producers do not perceive that these mechanisms enable them to maintain these long-term trade relationships. This can be explained by the fact that Chazuta cocoa and chocolate organizations recognize that they still have incipient productive capacities to meet the foreign market’s demand. Furthermore, associations, cooperatives and SMEs are not able to maintain constant levels of production quality, except the family-based business. Knowledge and techniques provided by subnational governments and private organizations are not fully used or implemented by the associations’ members. This low level of knowledge application can be explained by cultural factors and also because the producers receive multiple and sometimes contradictory information from various providers of technology extension services. This leads to inadequate use or non-implementation of productivity improvements, thus generating a virtuous circle in which production and quality of the goods remain at low levels, which hinders their entry into demanding and profitable markets. Research limitations/implications This paper has been developed with a qualitative approach considering an exploratory and descriptive scope. Chazuta case was selected because it is representative of the region in terms of eradication achievements and it is located between two regions of high biodiversity. A rubric is an evaluation method of individuals or organizations performance, taking into consideration the evaluator’s pre-established criteria to determine if the objectives and goals are being met. Based on these criteria, evidence and performance information is collected. Following, performance is graded based on the researcher’s predetermined criteria and finally a merit-based judgment is made on the performance. Practical implications The results contribute to enrich decision making of political authorities and public officials from San Martin subnational governments. They provide information, according to Peruvian national requirements, on the perceptions needed to rethink and improve provided government services, especially in rainforest area productive activities. This adds up to improvement or creation of new extension services to increase the quality of Chazuta’s cocoa and chocolate products, and to facilitate their entry into more demanding and profitable markets. Social implications The situation of San Martín region and Chazuta district is contextualized and emphasis is given to socioeconomic conditions and the value of cocoa as an alternative crop to coca. From 1980 to early 2000, Peru lived a period of generalized violence due to narcoterrorism, which had large-scale outreach in southern highland and rainforest areas. To deal with this situation, subnational governments in collaboration with international cooperation decided to consolidate agro-industrial value chains in order to generate legal income for rural populations. For this purpose, alternative crop policies were implemented and San Martin region achieved the best results. Originality/value This fieldwork was carried out as part of the undergraduate thesis but after fieldwork, with the use of online software tool WebQDA, codes were created to systematize and quantify the collected information in the content manager. The codes were created taking into account assessment and evaluation variables. Each value represented a code referred to a performance level as perceived by Chazuta cocoa and chocolate value chains stakeholders.


Water ◽  
2021 ◽  
Vol 13 (9) ◽  
pp. 1163
Author(s):  
Mengning Qiu ◽  
Avi Ostfeld

Steady-state demand-driven water distribution system (WDS) solution is the bedrock for much research conducted in the field related to WDSs. WDSs are modeled using the Darcy–Weisbach equation with the Swamee–Jain equation. However, the Swamee–Jain equation approximates the Colebrook–White equation, errors of which are within 1% for ϵ/D∈[10−6,10−2] and Re∈[5000,108]. A formulation is presented for the solution of WDSs using the Colebrook–White equation. The correctness and efficacy of the head formulation have been demonstrated by applying it to six WDSs with the number of pipes ranges from 454 to 157,044 and the number of nodes ranges from 443 to 150,630. The addition of a physically and fundamentally more accurate WDS solution method can improve the quality of the results achieved in both academic research and industrial application, such as contamination source identification, water hammer analysis, WDS network calibration, sensor placement, and least-cost design and operation of WDSs.


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