a. providing position indicator at kodasalli dam unit #1. 1. dismantling the existing position indicator switch after removing all the electrical connections to the operating panel. 2. cleaning or modification of seating location as per site requirement. 3. supply of newly procured position indicator assembly and all its accessories such as cams, limit switches, water resistant covers, connecting wires etc. specification : german, stromag maschinen fabrik stromag gmbh-4750, unna endschalter reihe 100 type: 16, ne:651 fv aufter no-143 1840 230v ac,6a,100v at suitable position and connecting all electrical connection. 4.installation of position indicator mechanism and connecting it to the operating panel. 5.commissioning of the switch shall be carried out as per the direction of engineer in-charge. the switch shall operate for the following position of gate. a) fully open b) crack open c) fully closed d)2 intermediate positions e)2 spare positions 6. testing of the installed switch can be demonstrated as per the requirement. 7.other related work like cleaning and shifting of released materials to stores etc as per the instruction of engineer in-charge. b) renovation of hydraulic power pack for penstock gate of unit #1 at kadra. the following works will be carried out after obtaining lc(by engineer in-charge) on unit from ldc bangalore. 1. closing of penstock gate of unit#1 to release holding pressure in the system. 2. replacement of power pack manifold along with new set of valves and components. 3. replacement of cylinder manifold with new set of components of manifold and other hydraulic valves fixed to the cylinder pipelines. 4.replacement of hydraulic pipelines with suitable high pressure seamless pipelines and all hydraulic hoses. 5.replacement of conservative tank hoses with new ones. 6.servicing the oil tank by cleaning with gasoline, painting of external surface and installation of external component like oil filter, vent system, replacement of gear pumps, replacing window gasket and arresting any external leakage in hydraulic system. 7.testing of pressure lines by operating penstock gate. 8.monitoring pressure in the system by observing the variation of pressure in pressure gauges as well as position of penstock gate level indicator.
