Tender For Annual Maintenance Contract For Maintenance Works Of Electrical System Of Main Plant And Spp Plant For The Year 2026-27 At Heavy Water Plant, Tuticorin.
Tender Value
19.38 Lakhs
Estimated cost
Bid Submission
17 Sep 2026
8 days left
EMD
38760
Bank guarantee accepted
Document Fee
Ref. Documents
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Tuticorin → Tamil Nadu
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Annual Maintenance Contract For Maintenance Works Of Electrical System Of Main Plant And Spp Plant For The Year 2026-27 At Heavy Water Plant, Tuticorin.
BOQ
| Sl. No. | Item Description |
| 1 | HT(110KV, 3.3KV) & LT(415V) breakers & Panels, battery, operation of lift and other electrical maintenance works |
| 2 | Maintenance of HT breakers ,attending control circuit problem in 3.3KV and 110KV breakers: Cleaning of breakers (SF6/MOCB/VCB) with cotton waste, wiring tightness, attending control circuit problems and rectification as per the instruction of EIC. |
| 3 | Maintenance of 250/400KVA DG set and its AMF panels: Cleaning of 250/400 KVA DG set enclosure outside and inside with cotton waste, control wiring tightness checking, attending control circuit problems and fault rectification as per the instruction of EIC. |
| 4 | Maintenance & up-Keeping of LT (415V) motor/power feeders : Drawing out of feeder carriage, de dusting,control wiring tightness checking, attending control circuit problems and fault recitfication, make it operational as per the instruction of EIC. |
| 5 | Maintenance of Battery Banks of class-I system and DG set :Cleaning of each cell, measuring individual cell voltage & specific gravity, topping up acid/Distilled water(if required), checking terminal tightness, applying petroleum jelly for Class-I Battery Bank (110V DC), DG set battery bank, diesel fire pump battery bank (24V DC). (Monthly twice). |
| 6 | Maintenance of 40KVA UPS battery banks: Cleaning of each cell (two sets of 300 nos. of 1.2 Volt DC Ni-Cd cells) and mounting stand, measuring individual cell voltage, checking terminal tightness, topping up of distilled water(if required),applying petroleum jelly to cell interconnection. (Monthly twice). |
| 7 | Maintenance of 25 KVA UPS battery banks: Cleaning of Sealed maintenance free lead acid battery cells (184 nos. of 2V DC per cell ) and mounting stand, measuring individual cell voltage, checking terminal tightness, applying petroleum jelly to cell interconnection.(Monthly twice). |
| 8 | Operation of lift at main plant: During general shift working hours lift shall be operated by deploying a suitable manpower. |
| 9 | Maintenance of Transformers: |
| 10 | Replacement of silica gel. |
| 11 | Collection of oil samples and handing over to HWPT lab |
| 12 | Oil top up in various rating transformer conservator tank |
| 13 | Maintenance & up keeping of nitrogen injection fire protection system: External cleaning, internal cleaning, checking of control circuit healthiness,rectification and making it operational. |
| 14 | Maintenance & up keeping of 3.3KV 700 and 1400 KVAR rating Capacitor banks : External cleaning of capacitors, de dusting of room, terminal tightness of capacitors, checking of capacitance value of each capacitor, maintenance of NCT and RVT transformers.Note: 1.Total no. of 700 KVAr rating capacitor banks-2 Nos. and total no. of 1400 KVAr rating capacitor banks-2 Nos2. Each 700 KVAR bank consits of 6 no. of 116.6 KVAr rating capacitors and each 1400 KVAr bank cosnists of 12 no. of 116.6 capacitors. |
| 15 | Motor terminal box maintenance: Opening of terminal box (TB) of various rating LT(415V) and 3.3KV (HT) motors, cleaning of TB, tightness checking of terminals, checking of IR/PI, R&L values, closing back of TB and applying sealant of various rating of motors of details mentioned below. |
| 16 | Up to 7.5 KW |
| 17 | 11KW to 19 KW |
| 18 | 22 KW to 93 KW |
| 19 | 110 KW to 187 KW |
| 20 | HT (3.3KV) motors of rating from 225 to 440 KW |
| 21 | Motor power cable Removal /Termination of various HT(3.3)/LT(415V) rating motors :Removal/Termination of power cable connection and earth connections as per tender technical specifications. |
| 22 | Upto 37KW |
| 23 | 45 to 187 KW |
| 24 | 225 to 2600 KW (HT) |
| 25 | Providing Electrical Connections: Providing temporary three phase/ single phase temporary connections /24V DC lamps in the Plant operating area etc. |
| 26 | Maintenance of Local Push Button Station: Opening of the LPBS and checking the healthiness of the Start and Stop Push buttons, fault rectification, replacement of the push buttons or replacement of defective push button station element and tightening of the terminals and fixing the LPBS.Note: Required simillar type push button element shall be supplied by contactor, its cost shall be included in quoted cost. |
| 27 | Conventional/ chemical earth pits maintenance:Checking of integrity, healthiness and cleaning of earth pit, checking of earth pit resistance value with connection and without connection, replacement of corroded nut &bolts, terminal clamp, writing of pit details like pit number, resistance values,tested date and next due date as per the instrctuion of EIC ( E).Required paint, paint brush, tools is in the scope of the contractor,cost of these material shall be included in quoted cost. |
| 28 | House keeping of 110KV switchyad/110KV control room/ 3.3KV substations premises including gross cutting as per technical specifications.Note: Total removal of gross cutting work in 110KV switchyard or 3.3 KV substation premises is considered as one number of quantity. |
| 29 | Power cable joinitng of 3.3KV, 240 sq.mm to 400 sq.mm PVC/XLPE armoured cable inaccordance with cable jointing procedure given by OEM of cable joinitng kit and standard engineering practice,scope includes removal and fixing back cable trench covers, pulling the cable in cable trench by rope, where ever required, disconnection and connection of power cable,cutting the faulty cable as per instruction of EIC, checking the IR value before and after joint, cleaning and jointing the cable as per tender technical specifications.Note : 1. Required power cable joinitng kit and its accessories will be in department scope. |
| 30 | Supply and installation of conventional earth pit including supply of earth pit chamber and MS chamber cover, providing connection to exisitng earth mat in underground of depth minimum one feet,chiipping/fillup with cement where ever if required, painting and letter wirting on pit cover as per technical specifiactions. |
| 31 | Removal, shifting of HT (3.3KV) & LT (415V) motors from its bed location to storage place or from storage place to motor bed location as per tender technical specificatrions.Note: 1. Required lifting tools& tackels, suitable lifting arrangement will be in contractor scope, its cost shall be included in quoted cost.2. Hydra crane will be provided by department at free of cost. |
| 32 | 3.3KV motors of various rating from 225KW to 440 KW |
| 33 | LT (415V) motors of various rating from 150 KW to 187KW |
| 34 | LT (415V) motors of various rating from 30 KW to 110 KW |
| 35 | Removal/fixing of motor pulleys of various HT (3.3KV) and LT (415V) motors as per tender technical specifications. Scope includes arrangement of required tools, tackles, hydraulic jockey of suitable capacity, gas torch arrangment,puller etc. which are required for removal/fixing of motor pulleys, its cost shall be included in quoted cost. |
| 36 | HT (3.3KV ) motor of rating from 250 to 440KW(37K1, 27K11/12/13/2 etc.) |
| 37 | LT (415 V ) motor of rating from 45 to 187 KW(39K1,20K5, 30K3/4/5,19K3 etc.) |
| 38 | Replacement of motor DE/NDE side ball/roller bearings of various size LT(415V)/HT(3.3KV) motors of rating 15 to 250KW .Scope includes assitance for removal of motor end covers, fan cover, pulley, removal of bearing with puller, fixing of new/old bearings and assembling back as per tender technical specifications.Note: 1. Replacement of bearing on either DE or NDE side will be considered as one no. of quantity. |
| 39 | HT (3.3KV ) motor of rating 225 to 250 KW(14P4,37K1) |
| 40 | LT (415 V ) motor of rating 15 to 45 KW |
| 41 | LT (415 V ) motor of rating 70 to 90 KW |
| 42 | LT (415 V ) motor of rating 110 to 130 KW |
| 43 | Supply of printed Safety work permit(SWP) tags(pink color) as per attached safety work permit tag of size (length =115 mm and width =175 mm). i. Tag shall have printed letters as per attached SWP.ii. Tags shall be provided with serial number of tag and each tag shall have different number.iii. Tag shall consists of two parts, line of small holes shall be provided at middle of two parts for easy separtion of bottom part. |
| 44 | Laying different size earth strip |
| 45 | Laying of different size of earth strip : GI flat of size from 25×6 to 50 ×6 (mm×mm) as per technical specifications. |
| 46 | Cutting/chipping of floor/pavement/ walkway for laying earth flat, backfilling and repair with concrete. |
| 47 | Assistance for conducting battery capacity test of 40KVA UPS battery banks: Providing assistance for making arrangement of dummy load (resistor elements) setup for load test, making connection, measuring each cell voltage and temperature every hour during discharging and charging, disconnection of wiring as per technical specifications.Note: 1. One battery bank consists of 300 no. of cells. 2. Dummy load/resistor elelments and power cables will be in department scope.3. Contractor shall provide minimum 10 man days as per instruction of EIC to carry out this job. |
| 48 | Assistance for conducting battery capacity test of 400Ahr flooded type lead acid battery banks( 55 cells): Providing assistance for making arrangement of dummy load (resistor elements) setup for load test, making connection, measuring each cell voltage, specific gravity and temperature every hour during discharging and charging, disconnection of wiring as per technical specifications. Note:1. One bank contains 55 no. of cells.2. Dummy load/resistor elelments and power cables will be in department scope.3. Contractor shall provide minimum 10 man days as per instruction of EIC to carry out this job. |
| 49 | Supply of following materials |
| 50 | Supply of indicative type silica gel for using in transforrmer breathers, it should be in Blue color (Normal condition), shoud be changed to pink color when saturated with moisture. |
| 51 | Supply of SERVO GEM 3 mutipurpose grease suitable for motors of quantity |
| 52 | Supply of Rolgard grease suitable for motors |
| 53 | Supply of SKF grease LG HP 2/0.4 of weight 400 gram each |
| 54 | Supply of electrical contact cleaner CRC 2-26 of 500 ml qunatity |
| 55 | Supply of cotton waste suiitable for use of clening of electrical panels Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Sep 04, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedSep 17, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 8 daysSep 21, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 12 daysTender Documents
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