Energy-saving Technology Application in Building Water Supply and Drainage Construction

The quality of a building's water supply and drainage installation directly affects the use value and safety performance of this building. With the development of society, the traditional building water supply and drainage engineering is facing great challenges, because traditional building technology has not been able to meet recent marketing demand. In order to adapt to the marketing demands, we need to fix many risks, such as risk of new technology development and application, project construction and market risk. With the continuous updating of technology, people need a higher level of science and technology, to enhance the technology of water supply and drainage engineering. The construction quality control and management is very important to prevent the occurrence of quality problems and to enhance the safety factor of the building. In this paper, we apply analytic hierarchy process into quality evaluation system. Aiming at the risk factors of high level building's water supply and drainage, we provide the basis for management decision.

Research on Application of Water-saving and Energy-saving Technology in Building Water Supply and Drainage Construction

Preface

Purpose: The paper is aimed to compare the current Status of the projects in Pakali and Bharaul water supply and sanitation projects in Sunsari district. Design/Methodology/Approach: The effectiveness of the water user supply committee, the project's productivity index, the payback period, and the operating ratio of the chosen projects were analysed. Findings/Result: The functionality status of Pakali and Bharaul water supply projects is found good but needs better by increasing the business. The operating ratio of the Pakali and Bharaul water supply projects was found 0.8 and 0.72 respectively which means they can bear their operating and maintenance cost. The selected projects are found technically feasible, and economically viable. Projects have profitability indices that are more than 1, indicating the potential to be implemented. Both water supply projects are water user supply committee registered, having own staff, Operation and maintenance fund, efficient water tariff collection, reliability, and accessibility but lack of water user supply committee meetings, and record keeping proper in Bharaul compared to Pakali whereas lack of water safety plan in both projects. Originality/Value: The study will be a benchmark for continuous performance improvements of the systems and a reference for the department for assessing the performance of any system of water supply. Paper Type: Status inquiry Research

Engineering education is increasingly expected to prepare graduates capable of addressing sustainability challenges, public safety concerns, and ethical responsibilities. However, in many civil and environmental engineering curricula, sustainability and ethics are still treated as supplementary topics rather than being systematically embedded in core technical courses. This study reports a sustainability-oriented curriculum reform implemented in a Building Water Supply and Drainage Engineering course, integrating Education for Sustainable Development (ESD) principles into CDIO-aligned project-based learning activities. A single-group pre–post quasi-experimental design was adopted with 100 undergraduate students. Quantitative data were collected using a competency-based questionnaire, and paired-sample t-tests, effect sizes, and 95% confidence intervals were applied to examine changes in students’ self-reported competencies. Qualitative data were obtained from reflective learning reports and analyzed through thematic analysis. The results indicate statistically significant improvements in sustainability awareness, ethical and professional responsibility, human-centered design, and systems thinking, with large effect sizes. These findings provide context-specific descriptive evidence supporting the feasibility of embedding sustainability and ethical responsibility within discipline-specific technical engineering courses. Nevertheless, the absence of a control group and the reliance on self-reported measures limit causal interpretation. Future research is recommended to adopt comparative or longitudinal designs and incorporate more objective performance-based assessments.

Application Analysis of Energy Saving and Water Saving Technology in Building Water Supply and Drainage Engineering

DigiEcoCity is a model for an ideal city combining the principles of the sustainable development, the new technologies which are brought by the digital revolution and the urban functions which are necessary for providing good lives. It is the main trend for the application of the energy-saving technology and the direction for city development in the future. This paper describes the application of energy-saving techniques in traffic planning, water supply and sewage system planning, as well as landscape planning and construction in Gongqing DigiEcoCity. The application of energy-saving technologies in urban planning and construction is actively explored in Gongqing city so as to make the city become a good example of DigiEcoCity.

The Government of Nepal aimed to provide adequate basic supply of safe drinking water to all its citizens by 2023 (15thAdhar Patra, National Planning Commission). Although the national level of water supply and sanitation facility coverage is 88 and 98 percent respectively, only 25.4% of water supply projects are fully functional. The performance assessment of completed piped water supply scheme should to be assessed for the functionality and sustainability of the project. With an example of Kawasoti Small Town Water Supply Project (KSTWSP), performance of the service provider is assessed in terms of physical state, functionality, customer satisfaction, water resource management, financial management and human resource management. The major findings were that bacterial removal efficiency of slow sand filter is greater than 95 % and the turbidity from the outlet of slow sand filter was found to be less than 0.1 NTU. The study of financial data of Kawasoti WUSC shows that operating revenue is sufficient to cover the operating expenses of WUSC. The water demand for the year 2075 to 2086 were found to be (7.32, 7.58, 7.84, 8.12, 8.40, 8.69, 8.99, 9.31, 9.68, 10.07, 10.47, 10.89, 11.33 and 11.79) MLD respectively. The water production was taken as an average of 9.94 MLD. The analysis shows up to the year 2083, the system will be able to meet the water demand. So after 2083, the WUSC might need to make necessary arrangement for additional water sources to meet the water demand. Staff productivity index has been 3.70 from the year 2070 to 2075, which indicates efficient utilization of the staff. Thus the study concluded that the performance of Kawasoti WUSC is up to satisfactory level till this study year 2075.

The problem of proper water supply and drainage piping in a hotel is of vital interest to every water works official and those charged with the responsibility for safeguarding the public health. If the full truth were known, this problem would also be of vital interest to every person who has occasion to stop at a hotel. In recent years this problem has forced itself upon the attention of public officials and the general public by reason of occurrences of water borne epidemics traceable to faulty water supply and drainage piping in so-called first class hotels. In August, 1927, Mr. William C. Groeniger, consulting sanitary engineer of Columbus and former chief of the Bureau of Plumbing Inspection, Ohio Department of Health, read a paper before the annual meeting of the American Society of Sanitary Engineering in which were cited the results of the work of a research committee of that Society and pointing out the possibilities of outbreak of water borne diseases through faulty plumbing fixtures (1). The prediction was made by Mr. Groeniger that unless those officials charged with the responsibility for manufacture, installation and maintenance of water supply and drainage piping in modern public buildings should give more attention to the proper arrangement of such piping, serious outbreaks of water borne diseases would result. His predictions have been borne out by experiences, notably in Chicago. In a discussion before the American Society of Sanitary Engineering in August, 1928, at Milwaukee, Mr. Joel I. Connolly, Chief of the Bureau of Sanitary Engineering, Chicago Board of Health, brought out forcibly the evil results arising from the carelessness in water supply and drainage piping arrangements in hospitals (2). In 1930 a paper was read before this Association by Mr. Connolly upon the subject of crossconnections in buildings. In June, 1934, Dr. Herman N. Bundesen, President of the Chicago Board of Health, read a paper before the Annual Conference of the State and Provincial Health Authorities

Water Supply and Sanitation has been a priority of Government of Nepal. Various types of urban and rural water supply and sanitation projects are now being implemented within the Government, private and NGO sectors. The normal practice of measurement of satisfaction by service providers is to measure consumers’ satisfaction on past performance. The survey design could vary from survey questions to unstructured interviews and everything in between using comparative and non-comparative scales. In comparative scaling, the respondents are asked to compare one product against the other while non-comparative scaling is used to evaluate a single product. In this study, Likert Scales is used in this study for measurement of customer satisfaction on water supply. The higher level of satisfaction with water supply is expected to be positively related to several factors such as satisfaction with water quality, and other parameters such as hours and timings of water supply, tap pressure, quantity of water supplied, responsiveness and communication of management and water tariff. The respondents’ level of satisfaction indicates that about 41 percent of respondents were neutral, they were neither satisfied nor dissatisfied with water services, while about 36 percent of respondents were satisfied with water services. The satisfaction scale of overall satisfaction with water services was 3.29 while 1.0 indicates strongly not satisfied while 5.0 indicate strongly satisfied. The various aspects that influence satisfaction among users which include hours and timings of water supply, tap pressure, quantity of water supplied, responsiveness and communication of management and water tariff as well as redresses of customer complaints have been examined. This study focused on the users’ satisfaction of Lekhnath small town water supply and sanitation project and the study was undertaken to analyze the current users’ satisfaction of the Lekhnath small town water supply and sanitation project. The result showed that the satisfaction level of users’ is above neutral but these were not in satisfying level. The characteristics/aspects of the service that contributed to users’ satisfaction including hours and timing, pressure, quantity and quality of water while there was slightly less satisfaction with regard to complaints about water supply.

Research on Technical Points of Water Supply and Drainage Construction in High-rise Buildings

UDC 332.02:336.6; JEL Classification: G 31 Purpose. The purpose of the article is to develop theoretical and methodical foundations of financing the reconstruction, construction, operation of water supply and drainage enterprises from the standpoint of research of promising areas for reforming the water supply and drainage services sector in Ukraine. Methodology of research. The following methods were used in the research. The analytical method was used to determine the operational indicators of wastewater treatment in Ukraine. The observation and generalization were relevance for systematize information on sources of financing projects for the reconstruction of wastewater treatment objects in Ukraine. The method of strategic matrix analysis was applied for assessing the modern state of water supply and drainage enterprises activity in the industry context. The system-structural approach was used to highlight the directions of reforming of water supply and drainage enterprises in management system of this industry. Findings. The research considers actual financial aspects of reconstruction, construction and operation of water supply and drainage enterprises in Ukraine. In particular, the sources of financing of wastewater treatment reconstruction projects in Ukraine were analyzed in the context of investment at the state, corporate and other investment levels. A strategic analysis of water supply and drainage enterprises activities in the industry context was carried out using SWOT Matrix as a tool for further building a reform strategy. An enlarged list of directions for reforming the water supply and drainage services sector by technical, technological, natural, socio-economic, political and legal components is proposed. Originality. The theoretical and methodical approach to financing objects of reconstruction, construction and operation of water supply and drainage of Ukraine within the activities of water supply and drainage enterprises was further developed by identifying the reforming directions of designated sphere by technical, technological, natural, socio-economic and political-legal components, the details of which are based on the results of strategic analysis. Practical value. The results of the research can be used as guidelines for the development of regional and local programs for the reconstruction, construction and operation of water supply and drainage enterprises.

Application and Research of BIM Technology in Building Water Supply and Drainage Design

Pipeline Installation and Construction Technology in Building Water Supply and Drainage Engineering

Water Supply and Drainage for Buildings