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| 1 | Reconditioning work of 1500KW Horizontal shaft twin jet Pelton Turbine runner |
| 2 | Charges for dismantling of turbine and loading of eroded runner along with shaft assembly by using mobile crane from Meenvallom powerhouse on to transporting vehicle including all packing & handling charges. Refitting of dismatliled top cover of the turbine back in position. |
| 3 | Charges for transporting of eroded runner assembly along with shaft from Meenvallom powerhouse to work site including transit insurance, checking of the weight of runner and all handling charges. |
| 4 | Charges for fabrication of runner mounting stand suitable for 1500KW horizontal shaft twin jet Pelton Turbine. |
| 5 | Charges for fabrication of runner templates for 1500KW horizontal shaft twin jet Pelton Turbine. |
| 6 | Charges for ascertaining the condition of the damaged runner with respect to extent of erosion, internal surface defects and deformation if any by conducting Non Destructive test such as Ultra Sonic test, Die Penetrate Test, MPT (Magnetic Particle testing) and X-Ray test (Necessary certificates & bills should be produced for conducting testing)- NDT (1)All tests shall be conducted in the presence of officials of PSHCL. |
| 7 | Charges for surface preparation using gauging / grinding of the runner bucket cavitation area to remove fatigue material. |
| 8 | Preheating of the job to 150 degree centigrade using induction heating. Maintaining inter pass temperature for welding at 150 degree centigrade |
| 9 | Charges for rebuilding the worn-out areas of the buckets (18 Nos) using electrodes to suit 13/4 materialcomposition of runner using shielded metal arc process. (Welding procedure should be adopted as per the recommendations of WRI / Trichy for the runner and got approved by the competent authority before commencing the welding works.). |
| 10 | Charges for grinding the welded areas to match the runner templates made.as per item No.1.04 |
| 11 | Charges for ascertaining the condition of the rebuilt area of the runner with respect to extent of damage/erosion, internal surface defects and deformation if any by conducting Non Destructive test such as Ultra Sonic test, Die Penetrate Test, MPT (Magnetic Particle testing) and X-Ray test (Necessary certificates & bills should be produced for conducting testing ) - NDT (2). All tests shall be conducted in the presence of officials of PSHCL. |
| 12 | Charges for stress relieving of the job as per guidelines of WRI/Trichy using Furnace or induction heating. (Necessary certificates & bills should be produced for conducting testing ) |
| 13 | Charges for static and dynamic balancing of the runner at the working speed and or 25% of the working speed. The runner will be assembled in a specifically manufactured mandrill. (Necessary certificates & bills should be produced for conducting testing ) |
| 14 | Charges for final Non Destructive test of stress relieved runner such as Ultrasonic test , Die penetrate Test, MPI and X -Ray test to be carryout.(Necessary certificates & bills should be produced for conducting testing ) - NDT (3). All tests shall be conducted in the presence of officials of PSHCL. |
| 15 | Charges for the fine polishing of reconditioned runner |
| 16 | Charges for transporting of reconditioned runner along with shaft assembly from work site to Meenvallom powerhouse including transit insurance, loading, checking of weight, packing, forwarding & unloading charges. |
| 17 | Charges for re assembly of the re conditioned runner using mobile crane including realignment and balancing of runner at Meenvallom powerhouse |
| 18 | Charges for testing and successful commissioning of re conditioned runner and turbine including jet alignment correction and submission of necessary test reports. |
