Political

Water supply system for London city - the ring main system of Thames
The system manages the task of supplying the huge and growing requirements of water for London city in the United Kingdom Posted on 11 May, 2009 03:20 PM

This deals with the Thames Water Ring Main Extensions and its plan to increase the area served by its London Ring Main by constructing two extensions in a £90m project.  The tunnelling will take place in north-east and south-east London and will help Thames Water to meet the capital's growing demand for water. The Ring Main was built to improve the speed and efficiency of transferring supplies of drinking water across the capital. 

Deep tunnel sewarage system of Singapore
Deep Tunnel Sewerage System (DTSS) a cost-effective and sustainable solution to meet Singapore’s long-term used water needs for used water collection, treatment, reclamation and disposal Posted on 11 May, 2009 03:15 PM

This deals with the Deep Tunnel Sewerage System (DTSS) which has been developed as an efficient and cost-efficient solution to meet Singapore’s long-term needs for used water collection, treatment, reclamation and disposal. Conceptualised and managed by PUB, it was conceived as a cost-effective and sustainable solution to meet Singapore’s long-term used water needs.

Water treatment produces irrigation water for local parks: a case study from Vasant Vihar, New Delhi
This article discusses the effort of Vigyan Vijay Foundation, New Delhi, with Vasant Vihar residents in treating wastewater from the locality to produce irrigation water for local parks using DEWATS Posted on 11 May, 2009 03:12 PM

At Delhi, there are dirty waste water rivulets, “nallahs” crisscrossing all localities and adding to the pollutant load of the river Yamuna. The situation is alarming with today’s count of nallahs standing at more than 22 Nos. These urban drains are nature’s creation and are meant to convey storm / rain water from upstream areas to downstream, finally leading to the river.

Common principles for watershed development from the National Institute of Agricultural Extension Management
Need for holistic, scientific, and sustainable approach to converge and harmonize implementation of various watershed development projects Posted on 11 May, 2009 03:06 PM

This deals with the common principles for watershed development at the National Institute of Agricultural Extension Management. For some time now the need has been felt to bring about convergence and harmonization in the implementation of various watershed development projects.

Tales from a water bill: deconstructing water tariff
God gave us water, it should be free. He forgot the pipelines (and the pumps and the filters and the chlorine and the meter and the sinking fund), there should be a charge Posted on 11 May, 2009 02:50 PM

Sanitary Charges

National rural employment guarantee act (NREGA) - a watershed works manual by Samaj Pragati Sahayog
The manual is focused on earthen watershed structures given priority under NREGA and meant for individuals and organisations involved in planning, implementing and monitoring the act Posted on 11 May, 2009 02:46 PM

This Watershed Works Manual for the National Rural Employment Guarantee Act (NREGA) programme was prepared by Samaj Pragati Sahayog at the request of the Union Ministry of Rural Development. It is meant for those individuals and organisations who will be involved in planning, implementing and/ or monitoring NREGA.

Improving flood management and water quality: a case study of Chicago, United States of America
The presentation provides an overview of the O’Hare CUP reservoir in Chicago, in particular its capacity, construction details, service area and the average annual flood savings ($2.3 million) Posted on 11 May, 2009 02:23 PM

These presentations deal with a case study of the work done in Chicago City in the United States of America to improve flood management and water quality. In order to save construction costs, the reservoir side walls are composed of geomembrane liner over compacted clay.

Case study of rainwater harvesting of Thane city, Maharashtra- a presentation
The presentation discusses the environmental status of Thane municipal corporation, ways to recharge groundwater by rainwater harvesting and stresses on socializing and economizing technology Posted on 11 May, 2009 02:16 PM

This presentation deals with a case study of rainwater harvesting of Thane city of Maharashtra. It begins with a discussion of the Environmental Status Report of the Thane Municipal Corporation for the year 1999-2000 which states that all the groundwater is non potable. The authors identify the research and development needs as follows –

Earthen dams - a mulitmedia course
This multimedia course provides information about earthen dams, its principle, types and parameters used for its construction through combination of animation and film footage Posted on 11 May, 2009 01:22 PM

Earthen dams are a very common and cost-effective watershed intervention. This multimedia course gives an understanding of the principles of earthen dams, the types of earthen dams and the parameters to be considered in their construction. It goes into the detail of the steps to be followed in constructing these dams.

Dreaming in color: efforts of Dr. Prakasham Tata to clean up a lake in Vizianagaram, Andhra Pradesh
The persistent efforts of Dr. Tata to clean up the lake in Vizianagaram, Andhra Pradesh, finally paid off when he met an equally dynamic IAS officer interested in the welfare of the city Posted on 11 May, 2009 12:47 PM

This article by Dr. Prakasham Tata traces the author’s childhood dream of doing something to improve public health in Vizianagaram by ameliorating the conditions of Pedda Cheruvu and to provide a better environment around its historical centers, namely the fort, music college, clock tower, arts and science college, and the park housing the tombs of the maharajas. 

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