ČSN EN 62256-ed.2 (085022)

Annotation of standard text ČSN EN 62256-ed.2 (085022):

This document covers turbines, storage pumps and pump-turbines of all sizes and of the following types:
Francis;
Kaplan;
propeller;
Pelton (turbines only);
bulb turbines.
This document also identifies without detailed discussion, other powerhouse equipment that could affect or be affected by a turbine, storage pump, or pump-turbine rehabilitation.
The object of this document is to assist in identifying, evaluating and executing rehabilitation and performance improvement projects for hydraulic turbines, storage pumps and pump-turbines. This document can be used by owners, consultants, and suppliers to define:
needs and economics for rehabilitation and performance improvement;
scope of work;
specifications;
evaluation of results.
This document is intended to be:
an aid in the decision process;
an extensive source of information on rehabilitation;
an identification of the key milestones in the rehabilitation process;
an identification of the points to be addressed in the decision processes.
This document is not intended to be a detailed engineering manual nor a maintenance document