Abstract:

Taking the selection of the construction electrical power supply plan for No. 12 branch tunnel of the water conveyance works of Dahuofang reservoir project in Liaoning province as example, the author presents the application of the technical and economical analysis in the determination of the construction plans for the purpose of achieving technologically advanced and suitable construction plans and obtaining the economical efficiency maximization with the minimum input. The paper can provide reference for other similar works in the future.

Key words: technical and economicalanalysisconstruction plan