HYDRAULIC DESIGN OF AN AQUEDUCT AND ITS NECESSITY IN RAJOURI TOWN IN JAMMU AND KASHMIR

Aqueduct is the Cross drainage arrangement which make the route of water from one side of drain to the other. Most of the Rajouri town is hilly and semi-hilly belt. At Rajouri about 9000 hectares areas of land remain deprived of irrigation facilities. The main aim of the paper is to present the hydraulic design of aqueduct proposed over Darhali River in Rajouri town and explain as to why aqueduct was required in this area. To assist the growth of crops in areas adjoining to Darhali River construction of Aqueduct from left bank to Right bank of River was projected. Aqueduct of 6 X 9.5m span was proposed to be constructed. Substructure of the Aqueduct consists of the abutments, five piers and substructure of an R.C.C trough of internal size 2.0m × 2.3 m. Foundation of abutment and piers were escalated below the Scour depth level of 4m to avoid erosion and consequent damage to the structure via silting and erosion. The estimated cost of the structure was near about 90 lacs. It was found that rising of aqueduct structure shall boost farming in this area besides improving livelihood of respective land owners. The overall irrigation system of the town shall improve by constructing such a structure which was dependent mostly on rainfall.