Political

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. 

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.

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.

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.

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.

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.

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 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.

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.