Category: Case Study

GROUND WATER EXPLORATION IN HIGH ALTITUDE AREA OF JAMMU & KASHMIR

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By S K Juneja Ex Scientist D and Head of Office Central Location of Area Cold deserts of the western Himalayas are unique ecosystems covering 80,000 sq kms of which major part falls in Ladakh region. Ladakh region is one of the inhabited plateaus in the world ranging in altitude from 2100 m to more than 5000 m amsl. Temperature goes as low as -50 0C and Drass is the second coldest inhabited place in the world. Siachen glacier, largest outside the Polar region, is an inhospitable terrain which provides…

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CHITTAGONG WATER SUPPLY IMPROVEMENT & SANITATION PROJECT, PHASE I 2014-2015, PHASE II 2018-2019

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Description Chittagong is the second largest city of Bangladesh with an estimated 4.2 million population. It is a very important industrial base and the water network has been managed by CWASA since 1963. CWASA is implementing the Chittagong Water Supply Improvement and Sanitation Project (CWSISP) with funding support from the World Bank (80.5241.01). The model covers approximately 560 km (350 miles) of main pipelines – the maximum pipe diameter being 1,200 mm (48 inches). Surface water sources, groundwater sources, and tube wells provide approx. 6.5 m3/s (230 ft3/s) of water…

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CASE STUDY ANALYSIS & IMPROVEMENTS

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By Sumit Kumar, Embassy Services Private Limited. Executive Summary: Energy saving is an essential key performance indicator for every commercial building specially where major part of energy is consumed by HVAC system. To maintain ideal IKW/TR rating of the chiller the condenser & condensate system plays major role.During operations of HVAC system, the energy rating is majorly affected by approach temperature across condenser. Regular approach temperature can only be maintained withhigh quality of water parametersused in condensate system with the support of latest water management & treatment techniques. One such…

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CASE STUDY ON NRW MANAGEMENT THROUGH IMPLEMENTATION OF DMA IN NETWORK

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By Rudranarayan Kumar, Chief Manager and Devipriya Rout, Executive, Business Development, Swach Environment Pvt Ltd. Overview Non-Revenue Water (NRW) is a burning issue with water supply utilities in India, which includes both physical and commercial losses and free authorized water for which payment is not collected. One of the major issues affecting the Indian water utilities is the pronounced difference between the amount of system input volume (SIV) into the distribution system and the amount of water billed to consumers, which is the NRW. Average NRW in India is around…

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DHI: GANGTOK AND PORT BLAIR CASE STUDIES

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By DHI India Case Study 1: DEVELOPMENT AND MACRO-CALIBRATION OF THE WATER DISTRIBUTION MODEL OF GANGTOK, INDIA, 2005 8 Location: Gangtok, Sikkim, India  Type of project: Development and macrocalibration of the detailed water distribution model of Gangtok including monitoring for flows and pressures 8 Client: Gangtok Water Supply and Sanitation Project GWSSP, Gangtok, India. The project was externally funded via KBR, Australia.  Description Gangtok lies on the west of the River Ranipool, in the foothills of Kanchenjunga, at an elevation of 1,700m (5,600 ft), the town is 21 km (13…

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JICA ASSISTED GUWAHATI WATER SUPPLY PROJECT

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By Rohit Dembi, Head –Digital Engineering Services, NJS Engineers India Pvt. Limited Project Summary The water system for Guwahati, the largest city in the northeastern region of India, was originally built to harness the Brahmaputra River with a gravity-based distribution system. Unregulated development led to water supply problems, as well as high water pressure in 60% of the system. To improve water distribution and the quality of life for residents, NJS Engineers India was tasked with constructing or upgrading water infrastructure throughout the city, including 36 kilometers of transmission mains,…

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CASE STUDIES OF OUTBREAK OF JAUNDICE EPIDEMICS

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By Harisaran Das Outbreak of Jaundice Epidemic in Shimla in 2016 Jaundice epidemic, a waterborne disease broke out in Shimla city and adjoining areas in Himachal Pradesh during January 2016 which lasted till March 2016. It had rattled public health systems in the hill city. The Hospital of Indira Gandhi Medical College (IGMC), Shimla, had witnessed 60-70 cases of Jaundice patients per day in midJanuary which reduced to around 10 by end of February 2016. Over 1200 cases and two deaths were registered, though unofficial estimates put the number of…

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RESTORING THE YAMUNA RIVER BASIN

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By DHI India Millions of people in India depend on the Yamuna River for domestic, industrial, and agricultural uses. During the non-monsoon (dry) season, however, stretches of the river become highly polluted and the water quality drops. To help the Government of India (GoI) improve the water quality during the dry season, we conducted an Integrated Water Resources Management (IWRM) and water quality modelling study. As part of the study, we also created a Decision Support System (DSS) that will enable authorities to restore the water quality of the river…

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OPTIMISED WATER SOLUTIONS – 24X7 WATER SUPPLY TO JHUNJHUNU DISTRICT IN RAJASTHAN

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By Grundfos India SCENARIORajasthan is a semi-arid region with severe water resource constraints: while being India’s largest state by land size with a population of 80.7 million as of 2021, it has only 1% of the country’s estimated water resources. For drinking and irrigation, 90 percent of Rajasthan’s population is reliant on groundwater. Jhunjhunu, an ancient town in the state of Rajasthan, is located in the northeastern part of the state. The town of Jhunjhunu is the district headquarters. Currently, the water supply service in Jhunjhunu is unreliable coupled with…

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NJS ENGINEERS INDIA P LTD – CASE STUDIES

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By Rohit Dembi, Head –Digital Engineering Services, NJS Engineers India Pvt. Limited Case Study 1 – JICA Assisted Agra Water Supply Project, Agra, Uttar Pradesh, India ProjectU.P. Jal Nigam, a government corporation that is responsible for supplying water throughout the state of Uttar Pradesh, India, initiated an improvement project to meet the increasing potable water demands and service levels of Agra city. The existing distribution pipe network was old and supplied intermittent water service. The network was evaluated to determine solutions that would enable 24/7 delivery of treated water to…

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