standards / manuals / guidelines for small hydro development - AHEC

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(iii)The safety equipment such as helmet, goggles, hand gloves, insulated T&P forelectrical works, earthing chains etc. shall be kept at the location where these caneasily be accessed.(iv) The arrangement to supervise safety tags shall be made at each P.S. The list oftags for every equipment outage must be finalized and given in safety manual.(v) Guidelines for safety in working are to be given in detail in safety manual.(vi) Fundamentals on Safety:Prevention of accidents requires whole-hearted co-operation of all members of theorganization. A capable, mentally alert employee will avoid accidents. Howeveran unsafe person is a liability. He is danger to himself, his fellow workers and tothe equipment and organization.• Unsafe acts which may cause accidents:- Operations an equipment without authority on warning.- Operating or working without proper instructions.- Making safety devices in operative.- Using defective equipment or its improper use.- Working nearby dangerous or live electrical equipment whichcould conveniently be de-energised.• Unsafe conditions which may cause accidents:- Ungrounded equipment.- Defective material or equipment.- Improper illumination.- Non-standard design or construction.Hence, accidents are the results of unsafe conditions or unsafe acts orcombination of both.2.6 GUIDELINES FOR DISASTER MANAGEMENTDisaster management is aimed at ensuring safety of people, protection of environmentprotection of installation and restoration of generation.(i)A task force consisting of O&M personnel of different discipline needs to beconstituted who will identify the following:• Source of disaster and steps to contain the same.• Isolate remaining plant and keep them in safe condition.• To organize safe shut down of Power Plant.• To organize all support services like fire fighting system etc.• Attend to all emergency maintenance jobs on top priority.• To apprise authorities on all safety related issues.• To record accident details.AHEC/MNRE/SHP Standards/ E&M Works – Guidelines for Operation and Maintenance of Small Hydropower Station 12
• To arrange for evacuation of man material from affected area.• Arrangement of ambulance and emergency first aid.(ii)The disaster management plan for generating stations shall take care of thefollowing:• Emergency power supply system shall be made operational.• Back start procedure must be prepared needs to be reviewed from time totime.• In case of fire, the unit/station needs to be emergency tripped through theemergency push button.• Ensure immediate shut down affected or likely to be affected portion ofP.S., so that rest of the plant remains healthy.• Fire tenders need to be summoned immediately.• The fire extinguishing system needs to be automatically cut in and in caseof failure of auto system, the system should be manually started.• The earmarked hospital need to be informed of such emergency.The units should be restarted as soon as the cause for disaster has been clearedoff.(iii)Action PlanFor effective control and management of disaster an action plan andorganization shall be prepared by Power Station In-Charge alongwithresponsibilities. This shall consist of following factors:• Responsibility of employees about first information.• Responsibility of Emergency Management Manager (EMM) fordeclaration of emergency (EMM to be nominated by Plant In-Charge).• Responsibilities of various teams constituted to deal with specificemergency requirement.• Responsibility of EMM for “All Clear” signal after dibaster has beencleared off(iv)Essential StaffIn plants immediately affected or likely to be affected efforts will be made toshut down and make other units safe. The plant supervisors and operators willcarry out this work without exposing them to any risk. The following staff willalso help them:• Attendants• First aiders• Persons responsible for emergency lighting• Persons responsible for transport• Persons working as runners, in case communication failsAHEC/MNRE/SHP Standards/ E&M Works – Guidelines for Operation and Maintenance of Small Hydropower Station 13
Page 1 and 2: STANDARDS / MANUALS / GUIDELINES FO
Page 3 and 4: ITEMSPAGE NO4.2 Preventive Maintena
Page 5 and 6: SECTION - IGUIDELINES FOR OPERATION
Page 7 and 8: 2.1.2 Lake/Storage/PondThe operatio
Page 9 and 10: 2.2.3 Electrical• Air seal valve
Page 11 and 12: • Start command initiated(iv)Sync
Page 13 and 14: ‣ Check whether supply to various
Page 15: - Intake gates, bye pass gates, D.T
Page 19 and 20: SECTION - IIGUIDELINES FOR MAINTENA
Page 21 and 22: 2.3 PREDICTIVE MAINTENANCEThis sort
Page 23 and 24: 6. Oil Leakage Unit:i) Check any le
Page 25 and 26: 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 and 78:
Fig 14: Determining Displacements o
Page 79 and 80:
SECTION-IIIGENERAL GUIDE LINES1.0 G
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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