design manufacture supply and supervision of erection testing and commissioning of two numbers of new runners for 1st stage machines of idukki hydro electric project design manufacture supply and supervision of erection testing and commissioning of two numbers of new runners for 1st stage machines of idukki hydro electric project. , part a- supply. , design through reverse engineering, manufacturing, testing, supply at site, two numbers vertical shaft six jet mono block fully forged pelton runners (suiable for the existing first stage machines) capable of delivering an output of 130mw+10%over load capacity at 375 rpm speed under a rated net head of 660mat idukki hydro electric project, moolamattom.