Within the scope of the current work to restore the Sayano-Shushenskaya HPP, the KBGS-1000 hydraulic jump basin crane has been re-sited.  It is now situated on the right bank of the River Yenisei in the tailrace area.  The crane has been relocated in order to minimise risks associated with the possibility of icing-up of the high-standing structures during the HPP’s operations in the autumn-winter period of 2009-2010.

The need to relocate the hydraulic jump basin crane was included in the list of measures drawn up in compliance with the recommendations made by the commission for the pre-declaration investigation at the Sayano-Shushenskaya HPP. 

Specialists of scientific-research design institutes and operating personnel of the power station are now developing a complex of measures to combat icing-up of the structures of the Sayano-Shushenskaya HPP spillway during the impending autumn-winter period.  These include mechanical removal of icing by knocking the ice of the structures, spraying of a special de-icing liquid, installation of additional surface-heating systems, etc.

It will be recalled that the commission for investigation of the Sayano-Shushenskaya HPP worked from 14 to 19 September 2009, inclusively.  It consisted of the country’s leading hydro-engineering scientists, representatives of the Lengidroproject institute and Rostekhnadzor, as well as RusHydro specialists.  According to the commission’s conclusions, the hydro-engineering structures of the Sayano-Shushenskaya HPP and the Mainsk hydro-unit are now in a working condition and a thorough examination is currently under way of the power station’s buildings and equipment.