standards / manuals / guidelines for small hydro development - AHEC

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SECTION – IIIGENERAL GUIDELINES
SECTION-IIIGENERAL GUIDE LINES1.0 GUIDELINES FOR TAKING OVER O&M OF SHPThe O&M of the plant shall be taken over from agency executing the project after duediligence and checking on following conditions. A report shall be prepared and both handingover and taking over party shall sign it. Following are the guide lines:1.1 Operating condition of E&M equipment shall be monitored for 72 hrs continuousrunning for full load condition and results, observations are noted. If any defect isfound, it shall be noted and corrected. This shall include turbine, generator,auxiliaries, control metering and relay panels, HT and LT switchgear, main andauxiliary transformer and switchyard equipments.1.2 All civil building and structures such as water carrier system, lake diversion weir,channel, pipe line, forebay, tailrace, draft tube, etc shall be monitored during load testand observations and defects noted. However all civil structures under water shall beinspected on draining, if possible. Leakages, cracks on wall, and operation of maingates shall be noted.1.3 All the area of the plant shall be cleaned and all rooms checked for unwanted materialstored in it. Such material shall be taken out of building and stored in closed out dooryard.1.4 All the spares of the E&M equipment shall be listed and their condition checked foruse during replacement. These shall include gate, valve, turbine, generatortransformers, breakers, panels, AVR and governor spares.1.5 All the tools and instruments ordered for the plant shall be listed and their conditionchecked.1.6 Documents: Following documents shall be insisted upon:• All plant and equipment drawings with as executed status.• All commissioning reports duly signed. This shall include generator, turbine,auxiliaries, transformers and breakers, DC station battery, battery charger• Cable schedule and termination drawing, panel wiring drawing.• Suppliers manuals including erection and trouble shooting manual.• Relay test report and relay setting duly signed by manager/ resident engineer.2.0 GUIDELINE FOR MANPOWER, SELECTION AND TRAINING2.1 Man power required for the operating and maintenance of SHP shall be based onfollowing factors:AHEC/MNRE/SHP Standards/ E&M Works – Guidelines for Operation and Maintenance of Small Hydropower Station 73
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STANDARDS / MANUALS / GUIDELINES FO
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ITEMSPAGE NO4.2 Preventive Maintena
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SECTION - IGUIDELINES FOR OPERATION
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2.1.2 Lake/Storage/PondThe operatio
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2.2.3 Electrical• Air seal valve
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• Start command initiated(iv)Sync
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‣ Check whether supply to various
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- Intake gates, bye pass gates, D.T
Page 17 and 18:
• To arrange for evacuation of ma
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SECTION - IIGUIDELINES FOR MAINTENA
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2.3 PREDICTIVE MAINTENANCEThis sort
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6. Oil Leakage Unit:i) Check any le
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5. Shaft Gland Seal and Air Seal:i)
Page 27 and 28: v) In case the runner is found to b
Page 29 and 30: iii) Preheating of the blade to abo
Page 31 and 32: E. GovernorDifferent types of gover
Page 33 and 34: Sl. No. Description Periodicity Rem
Page 41 and 42: 4.2.1 Daily ChecksSl.No.Assembly It
Page 43 and 44: 4.2.3 Annual Inspection & Maintenan
Page 45 and 46: Sl.No.Assembly Item Check Point Met
Page 47 and 48: • Check all joints, tightness of
Page 49 and 50: S.No.Item to beinspectedInspection
Page 57 and 58: 4.4 PREVANTIVE MAINTENANCE OF HYDRO
Page 59 and 60: Spherical valves (for heads more th
Page 61 and 62: • Check rotor level, verticality
Page 63 and 64: • Any possible inbalance of runne
Page 65 and 66: The blades are set to the no-load p
Page 67 and 68: IV.Rotational Checks‣ Arrangement
Page 69 and 70: Fig 6: Resultant Method of Throw Ca
Page 71 and 72: Fig 9: checking Verticality of Gene
Page 73 and 74: oFig 11: Checking Balancing of Gene
Page 75 and 76: Procedure for preliminary alignment
Page 77: Fig 14: Determining Displacements o
Page 81 and 82: • On placing them on operation du
Page 83 and 84: Safety Precautions and Practices in
Page 85 and 86: Results of test and measurements ca
Page 87 and 88: (NAME OF POWER STATION)DAILY GENERA
Page 89 and 90: (NAME OF POWER STATION)DAILY TRIPPI
Page 91 and 92: UnitGENERATION(MU)TOTALTIME(Hrs:Min
Page 93 and 94: MONTHLY TRIPPING REPORTFOR THE MONT
Page 95 and 96: AHEC/MNRE/SHP Standards/ E&M Works
Page 97 and 98: (POWER STATION)ANNUAL MAINTENANCE S
Page 99 and 100: UNIT/ EQUIPMENT/ FEEDER BAY/:DATE &
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standards / manuals / guidelines for small hydro development - AHEC

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