IS 6748 -1973 Code Book PDF free download
This Indian Standard ( Part I ) was adopted by the Indian Standards Institution on 2 April 1973, after the draft finalized by the Catchment Area and Reservoirs Sectional Committee had been approved by the Civil Engineering Division Council. Sedimentation of reservoirs is a matter of vital concern for any project whether irrigation, hydro-electric power, flood control etc, since it adversely affects the life and functions of the reservoirs. For this, effective measures of soil conservation in the watershed are essential. Soil conservation is an integrated approach of three disciplines namely, engineering, agronomy and forestry and involves -a co-ordinates effort of these disciplines for a comprehensive and composite programmer of development and management of watersheds. of these three disciplines are given below: Some of the broad aspects a) Engineering – Bank protection and roadside control measures, abutment, spurs, check-dams, gully plugging, masonry or concrete water disposal system, etc. b) Agronomy – Retirement of severely eroded land to permanent protection of vegetation, pasture development, vegetative waterways, contour farming,~strip cropping, crop rotation, etc. c) Forestry – Like forest conservancy – management and protection and forest plantation, etc. A standard for the engineering g aspects of watershed management ( IS : &j 18-1972* ) has already been published. This standard deals with the agronomic aspects with regard to watershed management and the forestry aspects are proposed to be covered in Part II of this standard. In the formulation of this standard due consideration has been given for relating this standard to the practices in the field in this country. This has been met by deriving assistance from the Soil Survey Manual, 1970 of the All India Soil and Land Use Survey Organization, SARI.
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