Technical and economic indicators of reconstructed irrigation pumping stations

Abstract

The analysis of the reconstructed pumping stations showed that most of the reconstructed pumping stations, despite their specific features (commercial operation year, different sources of water intake, differences in the designs of hydraulic structures, connection schemes of pumping units and pressure communications), have a fairly standard set of reconstruction works: the main hydraulic structures of irrigation pumping stations are in more or less satisfactory condition, need partial restoration (replacement), and the equipment needs a complete replacement, modernization. This allows us to conclude the existing dependence of pumping stations' technical and economic indicators. The statistical analysis carried out using applied computer programs allowed us to choose the type and empirical coefficients in the analytical dependences of cost indicators on the pumping station's power and flow/head. The analysis and comparison of dependencies showed that the best convergence is observed for the formula K = 14·N0.64. This formula can be used when selecting priority objects for reconstruction.