This manual has been developed by the Central Public Health and Environmental Engineering Organisation (CPHEEO), a department under the Ministry of Urban Development (MoUD) and serves as a standard guide in public health engineering by providing a code of day to day practice for public health engineers to follow.
The population of India is likely to be around a thousand million by the end of the century, with the urban population being around four hundred million by that time. This puts a great demand on the civic amenities including water supply for domestic purposes as well as that required for irrigation, industry, which has to keep pace with the increasing demands of the rising population.
Thus, identification of newer sources of water, their conservation and optimal utilisation are very important. The present scale of water supply in urban areas continues to be inadequate and many sections of the population lack access to piped and safe water supply. Very few metropoliton cities can boast of having access to safe, regular and adequate water supply to meet their growing water demands.
A number of factors are involved in tackling the problem of provision of protected water supply to all communities at minimum cost and in the shortest possible time. Emphasis has to be laid on both the aspects of the system namely, planning and management, both technical and financial. At present, decisions, both at the policy level and the technical level are based on emperical considerations and divergent practices that are in vogue in the country as far as the designing of the system is concerned.
The manual aims at unification of these practices and attempts at inculcating a rationale to the policy and managerial decisions, apart from giving guidence to public health engineers in achieving the target of providing safe water to all communities economically and expeditiously.
The manual discusses principles such as planning, identification of the source of water supply, development and transmission, water treatment, distribution system, testing and other related administrative aspects and also explains the approach to deal with each problem in detail.
The manual has been revised from time to time and has taken into account the recent technical advances and trends in the development of protected water supply systems, some of the major changes and additions as highlighted in the following areas:
The manual has been divided into the following chapters:
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