Tender For Annual Maintenance Contract For The Electrical, Mechanical And Hydromechanical Equipments Of 3 Mw Meenvallom Hydro Electric Project On Contract Basisyear 2025-26, Palakkad-Kerala

TDR : 48503564

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Corrigendum Details
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Palakkad , Kerala

Tender Brief : Corrigendum : Tender For Annual Maintenance Contract For The Electrical, Mechanical And Hydromechanical Equipments Of 3 Mw Meenvallom Hydro Electric Project On Contract Basisyear 2025-26

Document Fees
₹ 1829 /-

EMD
₹ 14500.0 /-

Tender Value
₹ 5.76 Lakhs /-

Submission Date
29-04-2025

Competition Type
Indian

Bidding Type
Tender

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Sr No	Corrigendum Date	Corrigendum	Type	New Submission Date
1	19-04-2025	Date Extentson	Date	29-04-2025

Name of Work: ANNUAL MAINTENANCE CONTRACT FOR THE ELECTRICAL, MECHANICAL AND HYDROMECHANICAL EQUIPMENTS OF 3 MW MEENVALLOM HYDRO ELECTRIC PROJECT on Contract BasisYEAR 2025-26

Sl. No.	Item Description
1	SYNCHRONIZING PANELItem Code : SYNP/M/1Monthly Maintanance
2	General inspection and clearing of dust and blowering of panel Item code: (SYNP/M/1.01)
3	Checking tightening of control cable wiring, terminal blocks and its connections Item code : (SYNP/M/1.02)
4	Checking of MCBs ( fuses) and replacing if necessaryItem code : (SYNP/M/1.03)
5	Checking of 110v dc supply at all pointItem code : (SYNP/M/1.04)
6	Checking of 230v ac aux. supply at all points and door/panel lamps.Item code : (SYNP/M/1.05)
7	Checking of Indication lamps and testing it individually and replacing the faulty lamps and its switches.Item code : (SYNP/M/1.06)
8	Testing and tightning of internal wiring and its connections Item code : (SYNP/M/1.07)
9	Checking and tightning of relay connections Item code : (SYNP/M/1.08)
10	Checking the operation of all selector switchesItem code : (SYNP/M/1.09)
11	Checking the terminatins of all metersItem code : (SYNP/M/1.10)
12	UCB PANEL Item code : UCBP/M/2Monthly Maintanance
13	General inspection and clearing of dust and blowering of panelItem code : (UCBP/M/2.01)
14	Checking tightening of control cable wiring, terminal blocks and its connections Item code : (UCBP/M/2.02)
15	Checking of MCBs ( fuses) and replacing if necessoryItem code : (UCBP/M/2.03)
16	checking of 110v dc supply at all pointItem code : (UCBP/M/2.04)
17	Checking of 230v ac aux. supply at all points and door/panel lamps.Item code : (UCBP/M/2.05)
18	Checking of Indication lamps and testing it individually and replacing the faulty lampsItem code : (UCBP/M/2.06)
19	Testing the turbine OPU Pumping CircuitItem code : (UCBP/M/2.07)
20	Testing the turbine OPU Loading/unloading CircuitItem code : (UCBP/M/2.08)
21	Testing of OPU pump selector switch and its operationItem code : (UCBP/M/2.09)
22	Testing of cooling water remote on/off circuitItem code : (UCBP/M/2.10)
23	Testing of all control switches with its operationItem code : (UCBP/M/2.11)
24	Testing of OPU on/off from UCB panelItem code : (UCBP/M/2.12)
25	Testing of open/close of bypass valve from panel in manual modeItem code : (UCBP/M/2.13)
26	Testing MIV operation from UCB panel in manual mode and its sequence of operationItem code : (UCBP/M/2.14)
27	Testing of Defflector open/close circuit from panel in manual mode and its sequenceItem code : (UCBP/M/2.15)
28	Testing the Operation of nozzle-1 and nozzle-2 from panel in manual modeItem code : (UCBP/M/2.16)
29	Testing the Synchronising in manual mode from UCB panel and its tripping sequenceItem code : (UCBP/M/2.17)
30	Testing the governor and its programmeItem code : (UCBP/M/2.18)
31	Testing the governor cards individuallyItem code : (UCBP/M/2.19)
32	Testing the governor in automode with full operation sequenseItem code : (UCBP/M/2.20)
33	Testing the annunciator with each faultItem code : (UCBP/M/2.21)
34	checking, tightening and replacing of relays connection and connections if necessaryItem code : (UCBP/M/2.22)
35	Checking the operation of all selector switchesItem code : (UCBP/M/2.23)
36	Checking the terminations of all metersItem code : (UCBP/M/2.24)
37	SPHERICAL VALVE CONTROL PANEL Item code : SVCP/M/3Monthly Maintanance
38	General inspection and clearing of dust and blowering of panelItem code : SVCP/M/3.01
39	Checking tightening of control cable wiring, terminal blocks and its connections Item code : SVCP/M/3.02
40	Checking of MCBs ( fuses) and replacing if necessoryItem code : SVCP/M/3.03
41	Checking of 110v dc supply at all pointItem code : SVCP/M/3.04
42	Checking of 230v ac aux. supply at all points and door/panel lamps.Item code : SVCP/M/3.05
43	Checking of Indication lamps and testing it individually and replacing the faulty lamps and its switches.Item code : SVCP/M/3.06
44	Testing the MIV OPU Pumping CircuitItem code : SVCP/M/3.07
45	Testing the MIV OPU Loading/unloading CircuitItem code : SVCP/M/3.08
46	Testing of OPU pump selector switch and its operationItem code : SVCP/M/3.09
47	Testing of all control switch with its operationItem code : SVCP/M/3.10
48	Testing of interlocking and its connectionsItem code : SVCP/M/3.11
49	Testing of open close of MIV valve seals from panelItem code : SVCP/M/3.12
50	Testing MIV operation from UCB panel in manual mode and its sequence of operationItem code : SVCP/M/3.13
51	Replacing the relays contactors, if requiredItem code : SVCP/M/3.14
52	Checking the operation of all selector switchItem code : SVCP/M/3.15
53	AVR PANEL Item code : AVRP/M/4Monthly Maintanance
54	General inspection and clearing of dust and blowering of panelItem code : AVRP/M/4.01
55	Checking tightening of control cable wiring, terminal blocks and its connections Item code : AVRP/M/4.02
56	Checking of MCBs ( fuses) and replacing if necessoryItem code : AVRP/M/4.03
57	checking of 110v dc supply at all pointsItem code : AVRP/M/4.04
58	Checking of 230v ac aux. supply at all pointsItem code : AVRP/M/4.05
59	Checking of Indication lamps and testing it individually and replacing the faulty lampsItem code : AVRP/M/4.06
60	Testing and tightning of internal wiring and its connections Item code : AVRP/M/4.07
61	Checking the operation of all selector switchesItem code : AVRP/M/4.08
62	Checking the terminatins of all metersItem code : AVRP/M/4.09
63	GENERATORItem code : GEN/M/5Monthly Maintanance
64	General inspection, cleaning of Generators including generator fansItem code : GEN/M/5.01
65	Check the tightness of Generator cables in both Line and neutral sideItem code : GEN/M/5.02
66	Check the tightness of connections in excitation systemItem code : GEN/M/5.03
67	General cleaning of the excitation systemItem code : GEN/M/5.04
68	TURBINE OPUItem code : TOPU/M/6( Monthly Maintanance )
69	General inspection, clearing of dust, blowering and external cleaning of OPU and oil pipe lines Item code : TOPU/M/6.01
70	Checking the low pressure and high pressure switch operations Item code : TOPU/M/6.02
71	Checking the low low pressure and high high pressure switch operations Item code : TOPU/M/6.03
72	Checking of tripping pressure and its operationsItem code : TOPU/M/6.04
73	Chcking of loading pressure switchItem code : TOPU/M/6.05
74	Checking of Unloading pressure switchItem code : TOPU/M/6.06
75	checking of motor rotationItem code : TOPU/M/6.07
76	checking of Accumulator pressureItem code : TOPU/M/6.08
77	Checking of any leakage in the OPU and its pipe lineItem code : TOPU/M/6.09
78	Checking the flow control valveItem code : TOPU/M/6.10
79	Checking of Pressure control valveItem code : TOPU/M/6.11
80	Cleaning of filter if requiredItem code : TOPU/M/6.12
81	Checking of termination of all connectionsItem code : TOPU/M/6.13
82	SPHERICAL VALVE OPU Item code : SVOPU/M/7Monthly Maintanance
83	General inspection, clearing of dust, blowering and external cleaning of OPU and oil pipe lines Item code : SVOPU/M/7.01
84	Checking the low pressure and high pressure switch operations Item code : SVOPU/M/7.02
85	Checking the low low pressure and high high pressure switch operations Item code : SVOPU/M/7.03
86	Checking of tripping pressure and its operationsItem code : SVOPU/M/7.04
87	Checking of loading pressure switchItem code : SVOPU/M/7.05
88	Checking of Unloading pressure switchItem code : SVOPU/M/7.06
89	checking of motor rotationItem code : SVOPU/M/7.07
90	checking of Accumulator pressureItem code : SVOPU/M/7.08
91	Checking of any leakage in the OPU and its pipe lineItem code : SVOPU/M/7.09
92	Checking the flow control valveItem code : SVOPU/M/7.10
93	Checking of Pressure control valveItem code : SVOPU/M/7.11
94	Cleaning of filter if requiredItem code : SVOPU/M/7.12
95	Checking of termination of all connectionsItem code : SVOPU/M/7.13
96	BYPASS VALVE Item code : BPV/M/8Monthly Maintanance
97	Checking of limit switch connectionsItem code : BPV/M/8.01
98	Arresting leakage of bypass valves if anyItem code : BPV/M/8.02
99	Opening and clossing time settingItem code : BPV/M/8.03
100	Setting of limit switch if changed and pressure testingItem code : BPV/M/8.04
101	DEFLECTOR Item code : DEF/M/9( Monthly Maintanance )
102	Checking of limit switch connectionsItem code : DEF/M/9.01
103	Arresting leakage if anyItem code : DEF/M/9.02
104	Opening and clossing the time settingItem code : DEF/M/9.03
105	Setting of limit switch if changed and pressure testingItem code : DEF/M/9.04
106	Checking length of link rod of deflector 1 and 2Item code : DEF/M/9.05
107	NOZZLE Item code : NOZ/M/10( Monthly Maintanance )
108	Checking of Transducer and its Zero settingsItem code : NOZ/M/10.01
109	Checking of limit switch connectionsItem code : NOZ/M/10.02
110	Arresting leakage if any for oil and water.Item code : NOZ/M/10.03
111	Setting of limit switch if changed and pressure testingItem code : NOZ/M/10.04
112	Checking and adjusting its open close time setting Item code : NOZ/M/10.05
113	SPHERICAL VALVEItem code : SV/M/11 Monthly Maintanance
114	Checking of limit switch connectionsItem code : SV/M/11.01
115	Arresting leakage if any for oil and water.Item code : SV/M/11.02
116	Setting of limit switch if changed and pressure testingItem code : SV/M/11.03
117	Checking ofoperations of seals and record its moving distance. (Maintenance seal and service seal )Item code : SV/M/11.04
118	Checking and adjesting its open close pressure setting and pressure testing.Item code : SV/M/11.05
119	COOLING WATER SYSTEMItem code : CWS/M/12Monthly maintenance
120	Cleaning of cooling water tubes where ever necessary, cleaning and checking of duplex filter, cleaning of cooling water tanks, checking and rectification if necessary of LPM and pressure reduceres. checking the motors for ensuring for proper workingItem code : CWS/M/12.01
121	UCB PANEL Item code : UCBP/Q/13( QUARTERLY MAINTENANCE )
122	checking of closing and tripping circuit in test modeItem code : UCBP/Q/13.01
123	Applying Gel in all fuse linkItem code : UCBP/Q/13.02
124	Testing of Status monitorItem code : UCBP/Q/13.03
125	Replacing fuses of cardsinside the governor, if neccessoryItem code : UCBP/Q/13.04
126	Checking the water level sensor and connectionItem code : UCBP/Q/13.05
127	Checking the KW transducer and its circuitsItem code : UCBP/Q/13.06
128	Testing the speed sensor and speed monitorItem code : UCBP/Q/13.07
129	Testing the governor operation in individually from governorItem code : UCBP/Q/13.08
130	Testing the tripping circuit with ,50%,75%,100% and over load by Pressing emergency PBItem code : UCBP/Q/13.09
131	TURBINE OPU Item code : TOPU/Q/14( QUARTERLY MAINTENANCE )
132	Testing of solenoid valve through manual operationItem code : TOPU/Q/14.01
133	Testing of Pressure switch settingstem code : TOPU/Q/14.02
134	Testing of accumulator pressuretem code : TOPU/Q/14.03
135	Testing of pressure gaugetem code : TOPU/Q/14.04
136	Testing of MOOG valvetem code : TOPU/Q/14.05
137	Testing of Loading/unloading control valve and its settingtem code : TOPU/Q/14.06
138	SPHERICAL VALVE OPU Item code : SVOPU/Q/15( QUARTERLY MAINTENANCE )
139	Testing of solenoid valve through manual operationItem code : SVOPU/Q/15.01
140	Testing of Pressure switch settingsItem code : SVOPU/Q/15.02
141	Testing of accumulator pressureItem code : SVOPU/Q/15.03
142	Testing of pressure gaugeItem code : SVOPU/Q/15.04
143	Testing of Loading/unloading control valve and its settingItem code : SVOPU/Q/15.05
144	SYNCHRONIZING PANEL Item Code : SYNP/H/16(HALF YEARLY MAINTENANCE )
145	checking of closing and tripping circuit in test modeItem Code : SYNP/H/16.01
146	Applying Gel in all fuse linkItem Code : SYNP/H/16.02
147	UCB PANEL Item code : UCBP/H/17(HALF YEARLY MAINTENANCE )
148	Testing the display of governorIItem code : UCBP/H/17.01
149	Checking the supply cards healthiness and its tightnessItem code : UCBP/H/17.02
150	Testing the tripping of turbine with creating all fault in annunciator mentionedIItem code : UCBP/H/17.03
151	Testing governor with water level sensorIItem code : UCBP/H/17.04
152	Testing governor with KW transducerItem code : UCBP/H/17.05
153	SPHERICAL VALVE CONTROL PANEL Item code : SVCP/H/18(HALF YEARLY MAINTENANCE )
154	checking of closing and closing of maintenance and seal and record its movementsItem code : SVCP/H/18.01
155	Applying Gel in all fuse linkItem code : SVCP/H/18.02
156	Checking the field sensors and its connectionsItem code : SVCP/H/18.03
157	Checking all selector switches and its operationsItem code : SVCP/H/18.04
158	TURBINE OPU Item code : TOPU/H/19(HALF YEARLY MAINTENANCE )
159	Nitrogen pressure testing in accumulatortem code : TOPU/H/19.01
160	Testing of Nitrogen control valvetem code : TOPU/H/19.02
161	Pressure setting at various pointstem code : TOPU/H/19.03
162	SPERICAL VALVE OPU Item code : SVOPU/H/20(HALF YEARLY MAINTENANCE )
163	Nitrogen pressure testing in accumulatorItem code : SVOPU/H/20.01
164	Testing of Nitrogen control valveItem code : SVOPU/H/20.02
165	Pressure setting at various pointsItem code : SVOPU/H/20.03
166	BYPASS VALVE Item code : BPV/H/21(HALF YEARLY MAINTENANCE )
167	Tightening of oil hydraulic connectionItem code : BPV/H/21.01
168	Pressure switch settingItem code : BPV/H/21.02
169	DEFLECTOR Item code : DEF/H/22(HALF YEARLY MAINTENANCE )
170	Tightening of oil hydraulic connectionItem code : DEF/H/22.01
171	Ensure full clausre of both deflectors.Item code : DEF/H/22.02
172	Greasing the rotaing bush and checking its smoothness of operationItem code : DEF/H/22.03
173	NOZZLE Item code : NOZ/H/23(HALF YEARLY MAINTENANCE )
174	Tightening of oil hydraulic connectionItem code : NOZ/H/23.01
175	Pressure switch settingItem code : NOZ/H/23.02
176	Greasing the rotaing bush and checking its smoothness of operationItem code : NOZ/H/23.03
177	SPHERICAL VALVEItem code : SV/H/24(HALF YEARLY MAINTENANCE )
178	Greasing the rotaing bush and checking its smoothness of operationItem code : SV/H/24.01
179	GENERATORItem code : GEN/H/25HALF YEARLY MAINTENANCE
180	Tightening all generator foundation bolts as per torqueItem code : GEN/H/25.01
181	AVR PANEL Item code : AVRP/Y/26( YEARLY MAINTENANCE)
182	Checking of closing and tripping circuit in test modeItem code : AVRP/Y/26.01
183	TURBINE OPU Item code : TOPU/Y/27( YEARLY MAINTENANCE)
184	Filtering of oil of OPU tank. Cleaning of OPU tank and filling with new oil if necessaryItem code : TOPU/Y/27.01
185	Filling of nitrogen if requiredItem code : TOPU/Y/27.02
186	MIV clossing/opening time settingItem code : TOPU/Y/27.03
187	Setting of all pressure switches after dismantling and cleaningItem code : TOPU/Y/27.04
188	Testing and cleaning of MOOG valve if necessaryItem code : TOPU/Y/27.05
189	Changing of main and return line pressure filter dismantling the ptressure switch and cleaning with diesel supplied by dept and resesetting to actual pressure settingsItem code : TOPU/Y/27.06
190	SPHERICAL VALVE OPU Item code : SVOPU/Y/28( YEARLY MAINTENANCE)
191	Filtering of oil of OPU tank. Cleaning of OPU tank and filling with new oil if necessaryItem code : SVOPU/Y/28.01
192	Filling of nytrogen if requiredItem code : SVOPU/Y/28.02
193	Setting of all pressure switches after dismantling and cleaningItem code : SVOPU/Y/28.03
194	Changing of main and return pressure line filters dismantling the ptressure switch and cleaning with diesel supplied by dept and resesetting to actual pressure settingsItem code : SVOPU/Y/28.04
195	BYPASS VALVE Item code : BPV/Y/29( YEARLY MAINTENANCE)
196	Checking of manual valve and hydraulic valves and rectify if found defective.Item code : BPV/Y/29.01
197	Tightening of all joints if necessasryItem code : BPV/Y/29.02
198	DEFLECTORItem code : DEF/Y/30 ( YEARLY MAINTENANCE)
199	Cleaning of cylinder and arrest leakage of oil if necessasry.Item code : DEF/Y/30.01
200	Tightening of all jointsItem code : DEF/Y/30.02
201	Tightening of all internal and external fittings of both defflectorItem code : DEF/Y/30.03
202	NOZZLEItem code : NOZ/Y/31 ( YEARLY MAINTENANCE)
203	Cleaning of cylinder Cleaning of cylinder and arrest leakage of oil if necessasry.Item code : NOZ/Y/31.01
204	Tightening of all jointsItem code : NOZ/Y/31.02
205	Tightening of all internal and external fittings of nozzleItem code : NOZ/Y/31.03
206	RUNNER Item code : RUNNER/Y/32( YEARLY MAINTENANCE)
207	Apply Dye Penitration Test (DPT) to check the cracking/Cavity /pitching in RunnerItem code : RUNNER/Y/32.01
208	SPHERICAL VALVEItem code : SV/Y/33( YEARLY MAINTENANCE)
209	Tightening of all jointsItem code : SV/Y/33.01
210	Tightening of all internal and external fittings of MIVItem code : SV/Y/33.02
211	PIN BUSH COUPLING Item code : PBC/Y/34( YEARLY MAINTENANCE)
212	Inspect the tightness of coupling and its bushings. Check the gap and clearance to be maintained between the coupling and record the values. Change the bushings if necessary.Item code : PBC/Y/34.01
213	INTAKE GATE & STOP LOG GATES,SCOUR GATESItem code : GATES/Y/35( YEARLY MAINTENANCE)
214	Inspect the gates and its rubber seals after lifting.Remove the rubbish and cleaning it. Tighten the nuts and bolts and replace it if necessasy. Greasing of lifting arrangement and chain pulley etc.Item code : GATES/Y/35.01
215	GENERATOR Item code : GEN/Y/36(YEARLY MAINTENANCE)
216	Taking the IR & PI values of the GeneratorsItem code : GEN/Y/36.01
217	Complete cleaning of the Generators. Inside stator and outside of rotors by opening the generator side covers using air drier and clothItem code : GEN/Y/36.02
218	Both end conections of rotor has to be cleaned and tightened properlyItem code : GEN/Y/36.03
219	The healthiness of excitation thyristor Shall be verifiedItem code : GEN/Y/36.04
220	The DC cable shall be Properly monitored for any DC leakageItem code : GEN/Y/36.05
221	The Rortor pole key Throtlessness shall be ascertainedItem code : GEN/Y/36.06
222	Check all space heaters. Rectify if requiredItem code : GEN/Y/36.07
223	BEARINGS Item code : BRGNS/Y/37(YEARLY MAINTENANCE)
224	Inspection, cleaning and oil replacement of turbine and generator bearings. Inspect thrust pads, journal pads for damage if any. Replace pads if necessary. Change gland ropes if required.Item code : BRGNS/Y/37.01
225	EXPANSION JOINTS Item code : EXP/Y/38 (YEARLY MAINTENANCE)
226	Ensure the tightness of expansion joints to avoid leakage. Change bolts if necessary.Item code : EXP/Y/38.01
227	COOLING WATER SYSTEMItem code : CWS/Y/39 (YEARLY MAINTENANCE)
228	cleaning the lines with solvent applicable of complete lines after dismantling and assembling after completion of work. Cleaning the cooling water system inside all bearingsItem code : CWS/Y/39.01
229	11 KV VCB Panel Item code : VCBP/M/1( Monthly Maintanance )
230	Dust clearing and blowering of panelsItem code : VCBP/M/40.01
231	Checking of control cable wiring and its connection. Checking of terminal blocks and tightening, replacing it if neccessoryItem code : VCBP/M/40.02
232	Checking of MCBs ( fuses) and replacing if necessaryItem code : VCBP/M/40.03
233	Checking of 110v dc supply at all pointsItem code : VCBP/M/40.04
234	Checking of 230v ac aux. supply at all pointsItem code : VCBP/M/40.05
235	Checking of Indication lamps, panel lamps and testing it individually and replacing the faulty lampsItem code : VCBP/M/40.06
236	Testing of internal wiring and its connections Item code : VCBP/M/40.07
237	checking of Trip circuit healthiness in manual mode and remote modeItem code : VCBP/M/40.08
238	checking of all relay connections Item code : VCBP/M/40.09
239	Checking of annunciator healthiness and its operationItem code : VCBP/M/40.10
240	checking of Tripping and VCB closing coil healthinessItem code : VCBP/M/40.11
241	checking the operation of TNC switch and replacing it if neccessoryItem code : VCBP/M/40.12
242	BUS PT Panel Item code : BPTP/M/41( Monthly Maintanance )
243	Dust clearing and blowering of panelItem code : BPTP/M/41.01
244	Checking of control cable wiring and its connection. Checking of terminal blocks and tightening, replacing it if neccessoryItem code : BPTP/M/41.02
245	Checking of MCBs ( fuses) and replacing if necessoryItem code : BPTP/M/41.03
246	checking of 110v dc supply at all pointsItem code : BPTP/M/41.04
247	checking of 230v ac aux. supply at all points. Checking the panel lamp circut and changing the lamp, switch if nessessoryItem code : BPTP/M/2.05
248	Checking of Indication lamps and testing it individually and replacing the faulty lampsItem code : BPTP/M/41.06
249	Testing of internal wiring and its connections Item code : BPTP/M/41.07
250	Checking of Bus PT fuse holder and tightning itItem code : BPTP/M/41.08
251	checking of all meter connections Item code : BPTP/M/41.09
252	Checking the external termination and its tightness.Item code : BPTP/M/41.10
253	Replacing HT fuse if neccessoryItem code : BPTP/M/41.11
254	CONTROL & RELAY Panel Item code : CRP/M/42( Monthly Maintanance )
255	Cleaning of dust and blowering of panelItem code : CRP/M/42.01
256	Checking of control cable wiring and its connection. Checking of terminal blocks and tightening, replacing it if necessaryItem code : CRP/M/42.02
257	Checking of MCBs ( fuses) and replacing if necessaryItem code : CRP/M/42..03
258	checking of 110v dc supply at all pointsItem code : CRP/M/42.04
259	checking of 230v ac aux. supply at all points. Checking the panel lamp circut and changing the lamp, switch if necessaryItem code : CRP/M/42.05
260	Checking of Indication lamps and testing it individually and replacing the faulty lampsItem code : CRP/M/42.06
261	Testing of internal wiring and its connections Item code : CRP/M/42.07
262	checking of all meter connections, KWH transducers, Annunciators, Temp. scanners and associated RTDs etc.. Item code : CRP/M/42.08
263	LTAC PANEL Item code : LTP/M/43( Monthly Maintanance )
264	Dust clearing and blowering of panelItem code : LTP/M/43.01
265	Checking of control cable wiring and its connectionItem code : LTP/M/43.02
266	Checking of MCBs ( fuses) and replacing if necessaryItem code : LTP/M/43.03
267	checking of 110v dc supply at all pointsItem code : LTP/M/43.04
268	checking of 230v ac aux. supply at all pointsItem code : LTP/M/43.05
269	Checking of Indication lamps and testing it individually and replacing the faulty lampsItem code : LTP/M/43.06
270	Testing of internal wiring and its connections Item code : LTP/M/43.07
271	checking healthiness in manual mode and remote mode of cooling water pumps from UCB Panels.Item code : LTP/M/43.08
272	checking the operation of mechanical interlock for DG set and KSEB Supply. Rectify if necessary.Item code : LTP/M/43.09
273	LAVT PANEL Item code : LAVT/M/44 ( Monthly Maintanance )
274	General Cleaning of LAVTpanelsItem code : LAVT/M/44 .01
275	CT/PT circuit tightness checkItem code : LAVT/M/44.02
276	check PT Circuit fuse and TB( HT<). Replace if any found faulty and apply gelItem code : LAVT/M/44 .03
277	NG PANELItem code : NGP/M/45 ( Monthly Maintanance )
278	General Cleaning of NGT panelsItem code : NGP/M/45.01
279	Check CT/PT circuit tightness. check PT Circuit fuse and TB( HT<). Replace if any found faulty and apply gel.Item code : NGP/M/45.02
280	Check neutral grounding transformer and grounding resistance including earth switch.Item code : NGP/M/45.03
281	POWER TRANSFORMERSItem code : PTRF/M/46( Monthly Maintanance )
282	General cleaning of transformers and the 11KV switch yardItem code : PTRF/M/46.01
283	Check all the external connections of thetransformers (Neutral CT bushes,earth connections)and top up oil in all transformers if requiredItem code : PTRF/M/46.02
284	Verify the operation of WTI,OTI and Bucholtz relay circuits of Power taransformersItem code : PTRF/M/46.03
285	Checking control cable wirings of marshalling box and its connection. Checking of terminal blocks and tightening, replacing it if neccessory. Apply gell on fuses.Item code : PTRF/M/46.04
286	Check 110Vdc and 230V ac supply to marshalling box. Check space heaters and rectify if necessasry.Item code : PTRF/M/46.05
287	TWO POLE STRUCTURE Item code : TPS/M/47( Monthly Maintanance )
288	Check the tightness of all cables of two pole structure, AB switch, Lightning arrestors and CT PT Unit.Item code : TPS/M/47.01
289	Inspect contacts of AB Switch. Repair if necessaryItem code : TPS/M/47.02
290	STREET LIGHTS & STATION LIGHTINGItem code : STL/M/48( Monthly maintenance )
291	Check the complete lighting arrangement of powerhouse including all street lights, YARD lights and station lighting arrangements.including ceiling fans. Tighten the cables of junction boxes of street lights. Replace faulty bulbs and tubes. Repair to the installations if requiredItem code : STL/M/48.01
292	BATTERY BANK & BATTERY CHARGER Item code : B&C/M/49( Monthly Maintanance )
293	Checking of the healthiness of battery by switching off the battery charger and measurement of voltage of each and every battery cell .Replace faulty battery if anyItem code : B&C/M/49.01
294	Checking of the tightness of battery terminals in battery charger and battery bank. Apply petroleum gelly.Item code : B&C/M/49.02
295	Check of DC circuits and its healthinessItem code : B&C/M/49.03
296	check the operation of MCBs in ACDB and DCDB panelsItem code : B&C/M/49.04
297	11 KV VCB PanelItem code : VCBP/Q/50 ( QUARTERLY MAINTENANCE )
298	Checking of Power Cable Terminaton and tighteningItem code : VCBP/Q/50.01
299	cable holding bracket tighteningItem code : VCBP/Q/50.02
300	BUS PT PanelItem code : BPTP/Q/51 ( QUARTERLY MAINTENANCE )
301	Checking drawout and insert mechanism of PT trolliesItem code : BPTP/Q/51.01
302	POWER TRANSFORMERS Item code : PTRF/H/52( HALF YEARLY MAINTENANCE)
303	Check all connections of thetransformers (Neutral CT bushes,earth connections, bushes of HV/LV phases) by opening side covers. Arrest oil leakage if necessary.Item code : PTRF/H/52.01
304	Checking power cable wirings of HV and LV sides by opening the side covers. Ensure the tighteness of cable and its bushings. Item code : PTRF/H/52.02
305	Change silica gel if necessasry. check pressure release valves. Item code : PTRF/H/52.03
306	11 KV VCB PanelItem code : VCBP/H/53 (HALF YEARLY MAINTENANCE )
307	Greasing the all Movable parts in VCBItem code : VCBP/H/53.01
308	Applying Gel in all Power termination and moving contactsItem code : VCBP/H/53.02
309	checking the operation of safety shutter operationItem code : VCBP/H/53.03
310	Checking drawout and insert mechanism of trolliesItem code : VCBP/H/53.04
311	checking of closing and tripping circuit in test modeItem code : VCBP/H/53.05
312	LTAC PANEL Item code : LTP/H/54(HALF YEARLY MAINTENANCE)
313	Checking of Power Cable Terminaton and tighteningItem code : LTP/H/54.01
314	Checking of terminal blocks and tightening, replacing it if neccessoryItem code : LTP/H/54.02
315	cable holding bracket tighteningItem code : LTP/H/54.03
316	Checking the indication lamp circuit and changing the lamp, switch if nessessoryItem code : LTP/H/54.04
317	Applying Gel in all fuse linkItem code : LTP/H/54.05
318	DG set cable termination check and its interlockingItem code : LTP/H/54.06
319	Applying Gel in all Power termination and moving contactsItem code : LTP/H/54.07
320	POWER CABLESItem code : POC/Y/55(YEARLY MAINTENANCE)
321	check all power cables ofpower house both HT and LT and Sensor cable and power cable to Weir site etc. Meggar all 11KV and 3.3 KV cables and record values.Item code : POC/Y/55.01
322	11 KV VCB Panel Item code : VCBP/Y/56( YEARLY MAINTENANCE)
323	Tightening of all busbar joints Item code : VCBP/Y/56.01
324	Cleaning the busbar and busbar chamber by opening of all cover and tightening of busbars.Item code : VCBP/Y/56.02
325	Meggering ofbus barsItem code : VCBP/Y/56.03
326	Meggering of all VCB TrolliesItem code : VCBP/Y/56.04
327	BUS PT Panel Item code : BPTP/Y/57( YEARLY MAINTENANCE)
328	Greasing of all Movable parts in PT truckItem code : BPTP/Y/57.01
329	Tightening of all busbar joints Item code : BPTP/Y/57.02
330	Applying Gel in all Power termination and moving contactsItem code : BPTP/Y/57.03
331	Cleaning the busbar and busbar chamber by opening of all cover and tightening of busbars.Item code : BPTP/Y/57.04
332	Meggering of all BUS PTTrolliesItem code : BPTP/Y/57.05
333	checking the operation of safety shutter operationItem code : BPTP/Y/57.06
334	LTAC PANEL Item code : LTP/Y/58( YEARLY MAINTENANCE)
335	Tightening of all busbar joints Item code : LTP/Y/58.01
336	Cleaning the whole panel, busbar with opening of all coverItem code : LTP/Y/58.02
337	BATTERY & CHARGER Item code : B&C/Y/59(YEARLY MAINTENANCE)
338	All the battery Voltage shall be monitored after switching off the Battery Charger continuosly for 6 hours .The faulty cellhas to be replaced if anyItem code : B&C/Y/59.01
339	The boosting and trickling charge of the battery charger has to be verified Item code : B&C/Y/59.02
340	The batteries and battery room has to be cleanedItem code : B&C/Y/59.03
341	AUXILIARY TRANSFORMERS Item Code: ATRF/Y/60( YEARLY MAINTENANCE)
342	Check all the internal connections of thetransformers (Neutral, phases and earth connections)and top up oil in all transformers if requiredItem Code: ATRF/Y/60.01
343	Checking power cables of HV and LV sides by opening the side covers. Ensure the tighteness of cable and its bushings. Item Code: ATRF/Y/60.02
344	Change silica gel if necessasry.Item Code: ATRF/Y/60.03

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Tender For Annual Maintenance Contract For The Electrical, Mechanical And Hydromechanical Equipments Of 3 Mw Meenvallom Hydro Electric Project On Contract Basisyear 2025-26, Palakkad-Kerala

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Tender For Annual Maintenance Contract For The Electrical, Mechanical And Hydromechanical Equipments Of 3 Mw Meenvallom Hydro Electric Project On Contract Basisyear 2025-26, Palakkad-Kerala

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