Servicing, Overhealing, Testing & Commissioning Of H.T.(11 Kv) Equipment, Distribution Transformers (11 Kv/0.433 Kv), M.C.C. Panel And Accessories, L.T. Motors (110 Kw, 75 Kw) Including Associated Electrical & Miscellaneous Works For Strom Water Drainage , kolkata-West Bengal

Servicing, Overhealing, Testing & Commissioning Of H.T. ( 11 Kv ) Equipment, Distribution Transformers ( 11 Kv / 0.433 Kv ) , M.C.C. Panel And Accessories, L.T. Motors ( 110 Kw, 75 Kw ) Including Associated Electrical & Miscellaneous Works For Strom Water Drainage Pumping Station 1 & 2, Under Ndita-Dehydration & Filtration Of Power Transformer Oil To Raisethe Dielectric Strength To The Value Specified In Is Includingsubmission Of Test Result. The Cost Includs Man, Machinary, And Tools & Plant Hire Charges To Complete The At Site As Perdirection Of The Eic.Make: Kirloskarsl No: I ) Xid 500 / 46 Ii ) Xid 500 / 48 ( P / S -3 ) &Sl No: I ) Xid 500 / 49 Ii ) Xid 500 / 50 ( P / S -4 ) 2 Nos 500 Kva, 11Kv / 0.433 Kv Transformer In Each Station, Vol Of Transformer Oil: 700 Ltrs Of Each Transformer. 2 Taking Out Sample Of Oil And Carrying Out Chemical Test Of Oil In Respect Of Its Acidity Test Through Reputed Test House And Submission Of Test Result. 3 Taking Out Sample Of Oil From Power / Voltage Transformer & Testing Their Dielectric Strength According To Specification And Submission Of Test Result. 4 Servicing And Overhauling Of 630 Amps , 11Kv V.C.B. Dismantling The Rack From The Housing, Opening The Components, Necessary Cleaning Of The Component, Carbonised Portion, Changing Of Rubber Gasket, Defective Parts, Cleaning Of All Mechanism Parts And Lubricating The Mechanism, Opening Of C.T. & P.T.S., Busbar Spout Assembly Cleaning The Same And Insulated Properly By Supply Of C.T.C. Etc. And Refijing All The Parts To Its Original Position By Making All Relevant Electrical Connection, Panel Wiring Etc. For Satisfactory & Operation. 5 Servicing, Cleaning And Testing, Calibration Of Following Relay ( For 11 Kv Panel ) For Incomer Feeder:Each Relay Set Consists Of Following Relaysmicom P110 / 122 / 127 / 1 No. Cgl 14N / C- 1 Novax31 - 1 No, Vaa-33-1No Vamp-31 - 1 No, Vajh-13-1No 6 Complete Overhauling Of Star-Delta Starter For 75 -100 H.P. Motor Checking Mechanical & Electrical Accessories Including Cleaning Of All Contacts By Carbon Tetra Chloride And Checking All Incoming And Outfoing Connections. 7 Dismantling All The Terminals Of The Motor Control Panel And Checking All The Sockets On Both Side Of Panel, Starter And Capacitor Bank Including Tapping As Required And Re-Connections Of The Motor Starter Terminals After Servicing Of The Panel And Complete Testing As Per Direction Of E.I.C. 8 Servicing And Overhauling The Automatic Star Delta Starter For 120 -180 Hp Motor After Opening All Components, Electric Timer, Bi-Metal Relay Etc. & Fijing Fixing The Same After Same Plate Servicing And Overhauling Testing As Required As Per Direction Of Eic ( Spares Will Be Supplied By Deptt. ) ( Spares Will Be Supplied By Deptt. ) 9 Taking Out The P.T. ( 11 Kv / 110V ) Ht Vcb Panel And Thorough Cleaning, Washing The Interior Portion With Carbon Tetachloride After Taking Out The From P.T. Housing And Re-Fitting The Same After Ajaining The Desired Ir. Valve And Re-Fijing, Re-Fixing The P.T. Complete And Testing And Commisining As Per Direction Of E.I.C 10 Servicing And Overhauling 1000 Amps A.C.B. After Withdrawing The Breaker From Its Track, Complete Servicing The Breaker, Cleaning, Moving And Fixed Contacts And Adjustment Incl.Mechanical Lever, Greasing, Oiling Etc. And Disconnection Of The Armoured Cable And Cleaning The Surface With Carbon Tetra Chloride, Marking Cloth, Emery Papers And Applying Of Petrolium Jelly Etc.To The Socket Terminals And Taping With Pvc Tapes And Re-Connection Of The Same As Per Direction Of E.I.C. 11 Dismantling, Servicing, Cleaning, Testing, Re-Fijing And Calibration Of The Each Feeder Consist Of Relay Type- 2Nos Over Current Relay And One No Earth Fault Relay ( Cdg 31 -1No., Vax 31 - 1No. And Vamp 31 - 1No ) For 11 Kv Panel. 12 Taking Out The L.T. Sq. Cage Induction Motor After Disconnectionsof Supply Terminal Connections Including Earthing Terminal Connection, From Coupling End Of 25 / 50 Cusec Vertical Axial Flowpropeller Pump After Dismantling The Same From The Motor Stool. The Motor Is To Be Kept On Wooden Sleeper At A Suitable Distancefrom The Floor Without Damaging The Earthing Strips And Cablesetc. As Per Direction Of E.I.C 13 Preliminary Checking Of The Whole Motor ( Lt Sq. Cage Im ) And Testing Of I.R. Value, Load Currents, Leakage Factor Of Stator & Rotor, Terminal Lead Joints Of Stator Connection Ends, Insulation Of Glass Fibre Terminal Bar, Double Cage Rotor End Rings And All Of Motor Bars And Bar Joints, Housing Of D.E. & Nde Shield Bearing Housing Etc. Before Work To Detect Fault. 14 Complete Servicing And Heat Varnishing Of 415Volt, 3 Phase L.T. Sq. Cage Induction Motor After Cleaning The Stator And Heating It Up Periodically And Varnishing By Dr. Beck’S Graded Insulating Varnish To Obtain Stable Ir Value, Cleaning Up The Rotor, Including Heating For Demoisturisation, Lacker Coating On The Surface Of Rotor Stampings, Cleaning And Ro Priming On The End Shield Covers, Bearing Housing And Complete The Necessary Repairing Works As Per Direction Of E.I.C.Upto 75Kw Lt Sq. Cage Im 15 Above 75Kw Upto 180Kw Lt Sq. Cage Im 16 Refitting The Pump Motor ( Lt Sq. Cage Im ) Set With All Its Necessarycoupling And Accessories To Its Original Position Including Fittingfixing With Bearing Housing Non-Reversable Rachet Unit And Pumpshaft With Proper Tollerance And Clearance And Reconnection Ofterminal Points The Overhauling Work I.E. Cleaning Of Contractssliping Etc. ( All Connection Strips, Cable End Are To Be Refitted In Proper Way Including Good Damages Of Strip Terminals ) Andsatisfactory 2 Hours Trial Run Of The Pump As Per Direction Of E.I.C.For All Pumping Stations. 17 Supply Of 3Ph Led Ammeter Cl 0.5 18 Supply Of 3Ph Led Voltmeter Cl 0.5 19 Supply Of Ammeter Selector Switch Current In Each Phase With Off, 4 Pos. 90° Angle Of Throw ( Off-R-Y-B ) 20 Supply Of Voltmeter Selector Switch Votage Between Phases With Off, 4 Pos. 90° Angle Of Throw ( Off-Ry-Yb-Br ) 21 Supply Of 22.5 Mm Hole Dia Mushroom Type Push Button Switch 22 Supply Of 22.5 Mm Dia Led Indicating Lamps 23 Supply Of Indoor Tape Insulated Ring Type Low Tension Current Transformer Of Following Rating600 / 5A 15Va, Cl 1.0 24 Supply Of 1 Pole Electronic Timer Type St100, 3-30 Second / 12-120 Second 25 Supply Of 3 Pole Thermal Over Load Relay Type Mn-12L, Relay Range 90A To150a / 135-225A / 180-300A Current Rating 26 Supply And Delivery Of Extended Rotary Handel Of Mccbs ( Make: L & T / Abb / Schneider / Simence / Ge ) D ) Extended Rotary Handle 250-400A, 415V 27 Supplying Of Skilled Electrician For Fixing The Items Above From Sl. 16 To 25 28 Priming One Coat On Steel Or Other Metal Surface With Synthetic Oilbound Primer Of Approved Quality Including Smoothening Surfaces By Sand Papering Etc. 29 Painting With Best Quality Synthetic Enamel Paint Of Approved Makeand Brand Including Smoothening Surface By Sand Papering Etc. With Other Than Hi-Gloss Of Approved Quality-Two Coats ( With Any Shade Except White ) 30 Add Gst@18% On Sl. No. 1 To 7 31 Add Labour Cess @1% On Sl. No. 1 To 8

Sr No	CorrigendumDate	Corrignedum	CorrigendumType	NewSubmissionDate
1	23-Dec-2023	Tender Fee	Fee	11-01-2024

Refer document

INR 11503.0 /-

INR 5.75 Lakhs /-

Name of Work:Servicing, overhealing, testing & commissioning of H.T.(11 KV) equipment, distribution transformers (11 KV/0.433 KV), M.C.C. Panel and accessories, L.T. motors (110 KW, 75 KW) including associated electrical & miscellaneous works for Strom Water drainage pumping station 1 & 2, under NDITA

Sl. No.	Item Description
1	Dehydration & filtration of power transformer oil to raisethe dielectric strength to the value specified in IS including submission of test result. The cost includs man, machinary,and tools & plant hire charges to complete the at site as per direction of the EIC. Make: KIRLOSKAR SL NO: I) XID 500/46 ii) XID 500/48 (P/S -3) & SL NO: I) XID 500/49 ii) XID 500/50 (P/S -4) 2 Nos 500 KVA, 11KV/0.433 KV Transformer in each station, VOL of Transformer oil: 700 ltrs of each transformer.
2	Taking out sample of oil and carrying out chemical test of oil in respect of its acidity test through reputed test house and submission of test result.
3	Taking out sample of oil from power/voltage transformer & testing their dielectric strength according to specification and submission of test result.
4	Servicing and overhauling of 630 AMPS ,11KV V.C.B. dismantling the rack from the housing, opening the components, necessary cleaning of the component,carbonised portion, changing of rubber gasket, defective parts, cleaning of all mechanism parts and lubricating the mechanism, opening of C.T. & P.T.S., busbar spout assembly cleaning the same and insulated properly by supply of C.T.C. etc. and refiJing all the parts to its original position by making all relevant electrical connection,panel wiring etc. for satisfactory & operation.
5	Servicing, cleaning and testing, calibration of following relay (for 11 KV Panel) For Incomer Feeder: Each relay set consists of following relays MICOM P110 /122/127/ 1 NO. CGL 14N/C- 1 NO VAX31 - 1 NO, VAA-33-1NO VAMP-31 - 1 NO, VAJH-13-1NO
6	Complete overhauling of Star-Delta Starter for 75 -100 H.P. Motor checking mechanical & electrical accessories including cleaning of all contacts by carbon tetra chloride and checking all incoming and outfoing connections.
7	Dismantling all the terminals of the motor control panel and checking all the sockets on both side of panel, starter and capacitor bank including tapping as required and re-connections of the motor starter terminals after servicing of the panel and complete testing as per direction of E.I.C.
8	Servicing and overhauling the Automatic star delta starter for 120 -180 HP Motor after opening all components,electric Timer, bi-metal relay etc. & fiJing fixing the same after same plate servicing and overhauling testing as required as per direction of EIC (Spares will be supplied by Deptt.) (Spares will be supplied by Deptt.)
9	Taking out the P.T. (11 KV/110V) HT VCB Panel and thorough cleaning,washing the interior portion with carbon tetachloride after taking out the from P.T. housing and re-fitting the same after aJaining the desired IR. valve and re-fiJing, re-fixing the P.T. complete and testing and commisining as per direction of E.I.C
10	Servicing and overhauling 1000 Amps A.C.B. after withdrawing the breaker from its track,complete servicing the breaker, cleaning, moving and fixed contacts and adjustment incl.mechanical lever, greasing,oiling etc. and disconnection of the armoured cable and cleaning the surface with carbon tetra chloride, marking cloth, emery papers and applying of petrolium jelly etc. to the socket terminals and taping with PVC tapes and re-connection of the same as per direction of E.I.C.
11	Dismantling, Servicing, cleaning, testing, re-fiJing and calibration of the Each feeder consist of Relay type- 2nos over current relay and one no earth fault relay (CDG 31 -1No., VAX 31 - 1No. And VAMP 31 - 1No) For 11 KV panel.
12	Taking out the L.T. sq. cage Induction Motor after disconnectionsof supply terminal connections including earthing terminal connection, from coupling end of 25/50 cusec vertical axial flow propeller pump after dismantling the same from the motor stool. The motor is to be kept on wooden sleeper at a suitable distance from the floor without damaging the earthing strips and cables etc. as per direction of E.I.C
13	Preliminary checking of the whole motor (LT sq. cage IM) and testing of I.R. value, load currents, leakage factor of stator & rotor, terminal lead joints of stator connection ends, insulation of glass fibre terminal bar, double cage rotor end rings and all of motor bars and bar joints, housing of D.E. & NDE shield bearing housing etc. before work to detect fault.
14	Complete servicing and heat varnishing of 415Volt, 3 Phase L.T. sq. cage induction motor after cleaning the stator and heating it up periodically and varnishing by Dr. Beck’s graded insulating varnish to obtain stable IR value, cleaning up the rotor, including heating for demoisturisation, lacker coating on the surface of rotor stampings, cleaning and RO priming on the end shield covers, bearing housing and complete the necessary repairing works as per direction of E.I.C. Upto 75KW LT sq. cage IM
15	Above 75KW upto 180KW LT sq. cage IM
16	Refitting the pump motor (LT sq. cage IM) set with all its necessarycoupling and accessories to its original position including fittingfixing with bearing housing non-reversable rachet unit and pumpshaft with proper tollerance and clearance and reconnection ofterminal points the overhauling work i.e. cleaning of contracts sliping etc. (all connection strips, cable end are to be refitted in proper way including good damages of strip terminals) andsatisfactory 2 hours trial run of the pump as per direction of E.I.C. for all pumping stations.
17	Supply of 3Ph LED Ammeter Cl 0.5
18	Supply of 3Ph LED Voltmeter Cl 0.5
19	Supply of ammeter selector switch Current in Each phase with OFF, 4 Pos. 90° angle of throw (OFF-R-Y-B)
20	Supply of voltmeter selector switch Votage between phases with OFF, 4 Pos. 90° angle of throw (OFF-RY-YB-BR)
21	Supply of 22.5 mm Hole Dia Mushroom Type Push Button switch
22	Supply of 22.5 mm dia LED indicating lamps
23	Supply of indoor tape insulated ring type low tension current transformer of following rating 600/5A 15VA, Cl 1.0
24	Supply of 1 pole Electronic Timer type ST100, 3-30 Second /12-120 Second
25	Supply of 3 pole Thermal over load Relay type MN-12L, Relay range 90A to150A / 135-225A / 180-300A current rating
26	Supply and delivery of extended rotary handel of MCCBs (Make: L & T/ABB/ Schneider/Simence/ GE) d) Extended rotary handle 250-400A, 415V
27	Supplying of Skilled Electrician for fixing the items above from Sl. 16 to 25
28	Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc.
29	Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. With other than hi-gloss of approved quality- Two coats (with any shade except white)
30	Add GST@18% on Sl. No. 1 to 7
31	Add labour cess @1% on Sl. No. 1 to 8