Lifeline Aspects of the 2004 Niigata Ken Chuetsu, Japan, Earthquake

2006 ◽  
Vol 22 (1_suppl) ◽  
pp. 89-110 ◽  
Author(s):  
Charles Scawthorn ◽  
Masakatsu Miyajima ◽  
Yusuke Ono ◽  
Junji Kiyono ◽  
Masanori Hamada

After landslides, damage to lifelines was the next most notable feature of the 23 October 2004 Niigata Ken Chuetsu, Japan, earthquake ( Mw=6.6). Roads and highways sustained damage at over 6,000 locations; rail lines, water systems, and wastewater systems sustained major damage; and over 300,000 customers lost electric power. Nagaoka's water supply was disrupted by the failure of electric power, which illustrates lifeline interaction, and Ojiya's water treatment plant almost lost its intake of raw water. Nagaoka's 1,079- km-long water system sustained damage at 287 locations, and Ojiya's 329- km-long water system sustained damage at 102 locations. In 2,672 km of wastewater piping, damage was sustained at over 9,000 locations, with manhole settlement or uplift at over 1,300 locations. The pattern of refugees was strongly influenced by the availability of lifeline services—primarily, electric power.

2021 ◽  
Vol 3 (3) ◽  
Author(s):  
Anne Louise de Melo Dores ◽  
Felipe Corrêa Veloso dos Santos

AbstractTo elaborate efficient and economical water supply systems is one of the main objectives in the sanitation companies water system projects. In order to address the challenges faced in reaching this objective, this study aims to identify, first, the relation between the percentage of non-conformed samples in treated water and the inefficiency of the filtering units installed in the water treatment plant, and second, if, by drawing the consumption variation curve it is the most efficient way to predict the storage tanks volume—comparing necessary capacity, determined by the consumption curve, and installed capacity, predict by the outdated Brazilian normative. In order to reach answers for these two questions, this study measured the operating efficiency of the treatment plant as well as have set a quantitative comparison between the two dimensioning criteria for storage tanks volume present in the literature. As a result, the analysis provided the authors to detect a focus of contamination in the single-layered filtering units, limited by the filtering capacity of 2–6 m3/(m2 day), whilst operating at 333.13 m3/(m2 day). As well as to detect by the drawing of the consumption variation curve an oversize of 68% and 60% in the dimensioning of the studied storage tanks. With the results provided by this analysis approach, it was possible to efficiently detect and correct critical impairments in the treatment phase and to conclude that a long-term analysis should be drawn in order to affirm if the consumption variation curve is the best design methodology for the reservoirs.


Author(s):  
Meghali Ghuge ◽  
Aishwarya Nikalje

The Water Treatment Plant is responsible for the operation, repair , and maintenance of the City’ s water supply system. This includes all parts of the water system supply chain from: The raw water diversion and pumping facilities to the raw water pipelines • The treatment facilities • The finished water pumping facilities • The finished water storage facilities Testing of SCADA and Automation system for entire Headwork to WTP and Sump & ESR in this WTP premises with Flow meters, Solar power battery , Power & Signal cable, PRV etc completed as per specification.


2018 ◽  
Vol 5 (2) ◽  
Author(s):  
Heru Dwi Wahjono

The need for clean water in big cities is very dependent on water supply by water companies (PDAM). The increasing demand for clean water in big cities is proportional to the increasing of number population and industry, but not comparable to the clean water supply and quality of raw water available. PDAM has made various efforts to improve the quality of clean water services to the community. One of the effort is to improve the performance of water treatment plant (WTP). To support the improvement of the performance of WTP, required water quality monitoring at the intake location in use. This paper discusses the online and realtime water quality monitoring at the water intake location using a multi-probe digital sensor and GSM technology. This observation data is used as a comparative data analysis of laboratory data on raw water source PDAM Taman Kota (Cengkareng Drain). Keywords: air baku air minum, intake PDAM Taman Kota Cengkareng Drain, pemantuan kualitas air, multi probe digital sensor, teknologi online monitoring, Water Treatment Plant


2016 ◽  
Vol 16 (4) ◽  
pp. 922-930 ◽  
Author(s):  
L. Richard ◽  
E. Mayr ◽  
M. Zunabovic ◽  
R. Allabashi ◽  
R. Perfler

The implementation and evaluation of biological nitrification as a possible treatment option for the small-scale drinking water supply of a rural Upper Austrian community was investigated. The drinking water supply of this community (average system input volume: 20 m3/d) is based on the use of deep anaerobic groundwater with a high ammonium content of geogenic origin (up to 5 mg/l) which must be treated to prevent the formation of nitrites in the drinking water supply system. This paper describes the implementation and operation of biological nitrification despite several constraints including space availability, location and financial and manpower resources. A pilot drinking water treatment plant, including biological nitrification implemented in sand filters, was designed and constructed for a maximum treatment capacity of 1.2 m3/h. Online monitoring of selected physicochemical parameters has provided continuous treatment performance data. Treatment performance of the plant was evaluated under standard operation as well as in the case of selected malfunction events.


2021 ◽  
Vol 18 (4) ◽  
pp. 37-44
Author(s):  
S.K. Singh ◽  
Artika Sharma ◽  
Darshika Singh ◽  
Ritika Chopra

With the advent of the environmentally conscious decision-making period, the carbon footprint of any engineering project becomes an important consideration. Despite this, the carbon footprint associated with water resource projects is often overlooked. Water production, its supply and treatment processes involve significant energy consumption and thus, are source of emissions of greenhouse gases (GHGs) such as carbon dioxide (CO2), nitrous oxide (N2O) and methane (CH4) which contribute to global warming. The emissions are not direct but come as a by-product of burning of fossil fuels to produce electricity to carry out these processes. Since water demand is continuous and keeps on rising, the quantification of carbon footprint associated with the water industry is vital. This paper studies and attempts to quantify the carbon footprint of one such urban water system, that is the Haiderpur Water Treatment Plant in Delhi, capital region of India by using the Life Cycle Assessment methodology and evaluate its performance from the point of view of energy consumption and make suggestions.


2018 ◽  
Vol 73 ◽  
pp. 03012
Author(s):  
Solikhul Abdi ◽  
Sudarno

Pucang Gading Housing Complex is an area within the Village Batursari, District of Demak with a population of 2018 as many as 44,257 inhabitants. Raw water service system Mranggen Unit is divided into 5 areas of service (service area Mranggen, Batursari I, Batursari II, Batursari III and Kebon) which utilize raw water source of water treatment plant (IPA Waru) and 8 Wells In a total discharge of 120 liter/second. The number of home connections in Pucang Gading area is currently 3,374 house connections, with a total water usage 14.25 liter/second Water discharges from clean water sources in Pucang Gading region are currently not maximally available to supply water to Pucang Gading service area. In this research will know the problems and readiness that exist by looking from the achievement of Medium Term Development Plan of Demak Regency Year 2016-2021. This research uses SWOT analysis method that is internal and external factors. The selection of raw water sources for drinking water should pay attention to aspects of quality, quantity and continuity. Demak Regency has the potential of surface water either river/ reservoir/dam. The problems and challenges of drinking water supply include issues of safe access to water supply, and regulation of groundwater utilization for the community.


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