EC20-basement in HDR

A (HDR) look in the basement of unit EC 20, where only one demineralized coolingwaterpump is running.
This system is now only running to cool the gasturbine and its machine transformer.
The blue thing on the left is a storage vessel, one out of three tanks which are linked to each other, one tank contains 60 tons of water, two smaller tanks contain 37 tons.
The unit is in preservation, the gasturbine is used when a shortage on the grid suddenly occurs.

Here in LARGE....