For determination state of working ступенчатых mining водоотливных of the installation without intermediate водосборников follows to define the режимные parameters last step and use their as input at calculation previous step. For ensuring given state of working whole installation necessary to change the features a pipe line or pump.

It is possible to consider as an optimum behavior of operation a mode providing the least daily allowance or annual charges of the electric power. Such mode can be received by increase in efficiency up to maximal and reduction of losses of a pressure in pipelines. On design stage the optimum behaviour can be achieved with the help of an offered design procedure of modes of operation of miner pump installation.