Coal and Mines Boards / Undertakings / PSU Closing in 10 days TDR #56673448

Tender For Comprehensive Annual Maintenance Of Electrical Equipments Installed At 2X 10 Mva Main Murpa Substation Under Gm Unit Kuju Area For A Period Of 01 Year.

Issued by Boards / Undertakings / PSU · Ramgarh, Jharkhand
Tender Value
Ref. Documents
Estimated cost
Bid Submission
13 Aug 2026
10 days left
EMD
82700
Bank guarantee accepted
Document Fee
Ref. Documents
Non-refundable
Tender Type
Online

Tender Overview

Competition Type
NCB
Bidding Type
Tender
Location / State
Ramgarh → Jharkhand
EMD Exemption
Not Available
Quantity
Not Available

Project Description

Tender for Comprehensive Annual Maintenance Of Electrical Equipments Installed At 2X 10 Mva Main Murpa Substation Under Gm Unit Kuju Area For A Period Of 01 Year.

BOQ

Name of Work:- Comprehensive Annual Maintenance of electrical equipments installed at 2X 10 MVA Main Murpa Substation under GM Unit Kuju Area for a period of 01 year.
Sl. No. Item Description
1A)33KV GOAB Maintenance
2Supply & Fixing of Male contact Electrolytic grade copper moving contact 33 KV, 1250Amps turn twist type motorized double break isolator breaking capacity 25 KA/3 sec
3Supply & Fixing of Female contact for turn & twist type 33 KV, 1250amps Breaking Capacity 25 KA / 3 sec ( motorized isolator) Copper Contact jaw holder
4Supply & Fixing of Pad / Palm Connector, aluminium alloy material, 48.60 mm X 12 mm size.
5Supply & Fixing of Alloy aluminum pipe 48.3 mm dia inner dia 40.8mm wall thk 3.6mm
6Supply & Fixing of 33 KV grade Air Break Switch 630Amp horizental type
7Supply & Fixing of 33 KV DO Fuse set
8Supply & Fixing of Lighting Arrestor Station Type 36 KV 10 KA
9Supply & Fixing of Support Insulator 90mm X 30mm
10Supply & Fixing of Bi-Metalic connector , aluminium alloy material/brass, 48.60 mm X 12 mm size.
11Supply & Fixing of T Connector, aluminium alloy material, 48.60 mm size.
12Supply & Fixing of Post Insulator, 10KA, 11KV rated, standard size.
13Maintenance of GOAB system by Providing men power, small competent like spring, clamps, GI pipes, welding pinion etc as required
14B)11 KV GOAB Maintenance
15Supply & Fixing of Male contact Electrolytic grade copper moving contact 11 KV, 630 Amps isolator
16Supply & Fixing of Female contact Electrolytic grade copper moving contact 11 KV, 630 Amps isolator
17Supply & Fixing of Bi-Metalic connector , aluminium alloy material/brass, 48.60 mm X 12 mm size.
18Supply & Fixing of T Connector, aluminium alloy material, 48.60 mm size.
19Supply & Fixing of Post Insulator, 10KA, 11KV rated, standard size.
20Supply & Fixing of Support Connector ,aluminium alloy material, 48.60 mm size
21Supply & Fixing of Alloy aluminum pipe 48.3 mm dia inner dia 40.8mm wall thk 3.6mm
22Supply & Fixing of 11 KV grade Air Break Switch 630Amp horizental type
23Supply & Fixing of Pipe to Pipe Connector,aluminium alloy material, 48.60 mm X 48.60 mm size
24Supply & Fixing of Aluminium Unarmoured cable single core1100 voltage grade 35 sq mm
25Supply & Fixing of Aluminium tub terminal 35 sq mm
26Supply & Fixing of copper material, Tripod lightning conductor, 30 inch length X 25mm top X 50mm bottom, 12.5mm thick rod
27Supply & Fixing of Support Insulator 90mm X 30mm
28Supply & Fixing of Lighting Arrestor Station Type 11 KV
29Supply & Fixing of Pad / Palm Connector, aluminium alloy material, 48.60 mm X 12 mm size.
30Maintenance of GOAB system by Providing men power, small competent like spring, clamps, GI pipes, welding pinion etc as required
31C) 33KV circuit/Control Panels/GOAB/Interlocking
32Supply & Fixing of Limit Switch,800mA, 250V, 10A
33Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface/ recessed steel/ PVC conduit as required 2 x 2.5 sq. mm
34Febrication and errection work of iron and steel platform, column, bracing housting. Placing etc. Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.
35Supply & Fixing of Auxilary Contractor 4 NO+ 4 NC
36D) 11KV circuit/Control Panels/GOAB/Interlocking
37Supply & Fixing of Limit Switch,800mA, 250V, 10A
38Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface/ recessed steel/ PVC conduit as required 2 x 2.5 sq. mm
39Febrication and errection work of iron and steel platform, column, bracing housting. Placing etc. Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.
40Supply & Fixing of Auxilary Contractor 4 NO+ 4 NC
41E) 11 KV VCB
42Supply & Fixing of Insulator set complete 11Kv 800Amps
43Supply & Fixing of Auxillary Contact Switch 110V 4 NO+4 NC
44Supply & Fixing of P.T 3Phase 200VA 11kV/√3/110V/√3
45Supply & Fixing of Rectifier Unit 110V DC
46Supply & Fixing of P.T Fuse 11 kV /1Amps
47Supply & Fixing of Series trip Mechanism
48Supply & Fixing of Selector Switch 16Amp
49Supply & Fixing of Amp meter 4\\" sq mm range (120/5)
50Supply & Fixing of Indicating lamp 240Volt, AC/DC
51Supply & Fixing of Fuse Base & Carrier
52Wiring with ferruls & Lugs
53Supply & Fixing of C.T 11kV CTR 400/200/5Amp
54Supply & Fixing of Local Remote Switch (TNC)
55Supply & Fixing of Copper Flat/Jumper
56Supply & Fixing of Push Button 1 no + 1 nc
57Supply & Fixing of IDMT Relay High Set Relay 2 O/C + 1 E/F, O/C 50% to 200%
58Supply & Fixing of Sensitive ELR AC/DC Voltage Grade 110 Volt, Current Capacity 5Amps
59Supply & Fixing of Support Insulator 90mm X 30mm
60Painting, nut & Bolts as required.
61Supply & Fixing of Epoxy Fiberglass Sheet 2600 mm X 1300mm X 3mm
62Supply & Fixing of Volt Meter 4\\" sq mm
63F) 33 KV SF 6
64SUPPLY & FIXING OF CLOSING HALF SHAFT ASSEMBLY
65SUPPLY & FIXING OF AUXILARY SWITCH
66SUPPLY & FIXING OF HT CONNECTOR SET CT SIDE
67SUPPLY & FIXING OF CLOSING COIL ASSEMBLY
68SUPPLY & FIXING OF TRIPPING COIL ASSEMBLY
69SUPPLY & FIXING OF Spring Charging Motor 100-200 Volt AC/DC, type self excited series 0.5 HP
70Cost of SF 6 Gas
71Supply & fixing of Master trip relay, 110Volt AC/DC
72Supply & fixing of Mechanism Box Complete
73SF6 Gas Filling & Vaccum etc
74Supply & fixing of Gaskit for one Limb for SF 6
75Supply & Fixing of IDMT Relay High Set Relay 2 O/C + 1 E/F, O/C 50% to 200%
76Supply & Fixing of Current Transformer, CTR 200/100/5-5-5A, 33KV rade, Epoxy Resin Cast, Class 0.5, 15 VA, Core 2, Class 5P10, 15 VA,
77Supply & Fixing of Selector Switch 16Amp
78Supply & Fixing of Amp meter 4\\" sq mm range (120/5)
79Supply & Fixing of Indicating lamp 240Volt, AC/DC
80Supply & Fixing of Fuse Base & Carrier
81Supply & Fixing of Volt Meter 4\\" sq mm
82Wiring with ferruls & Lugs
83G) Maintenance of 02 Nos. 10MVA Transformer 33KV/11KV
84Supply & Fixing of oil tempereture meter with 5mtr cable for tripping device system Measuring Temperature Range 0 deg. C to 150 deg. C, Dial Size of TemepratureIndicator (in 150mm), 5 A @ 110Volt-250 Volt AC
85Supply & Fixing of winding tempereture meter with 5mtr cable for tripping device system WITH INTEGRATED PT 100 SENSOR & CCU WITH 4-20 mA D. C OUTPUT+PSU+ RWTI,110Volt
86Supply & Fixing of Breather Clear view type with out Silica Gel Overall height of silicagel breather (in735mm), Maximum dia of silicagel breather (in 355mm),Compatible connection Pipe size 1\\"
87Supply & Fixing of Copper Flat 38 mm X 5 mm required for 3 phase + 1 netrul connection in 3.3KV side transformers 7 Mtr approx required X 1.712 Kg p/mtr weight =11.98 Kg ( Say 12 kg)
88Supply & Fixing of Buchloz Relay contact, Nominal Pipe Bore (in 80mm) , 110Volt
89Supply & Fixing of Electronic Hooter, 240Volt AC, range 100 dB@ 200 meter +/- 10 dB
90Supply & Fixing of Flush Mounted Auxiliary Relay,24v Ac Dc To 220 V Ac Dc
91Supply & Fixing of Mild Steel Hepa Terminal Box 300 X 300 mm
92Supply & Fixing of Auxillary Contact Switch 110V 4 no + 4 nc
93Supply & Fixing of Bushing with studs HV 33KV/11KV grade
94Supply & Fixing of Cork Sheet 6mm, 3 Feet X 2 feet
95Supply & Fixing of Cast iron valve 1.5 inch
96Supply & Fixing of CT ring type 400 S1
97Supply & Fixing of Indicating lamp 240Volt, AC/DC
98Supply & Fixing of Cable 12 core x 1.5 sq mm, 1.1KV copper un-armoured
99Total impact of GST for the purpose of CTC Please Enable Macros to View BoQ information

AI Tender Summary

OUR REF NO 56673448
AUTHORITY Boards / Undertakings / PSU
TENDER VALUE Ref. Documents
LAST DATE 13-08-2026
Authority
Authority Name Central Coalfields Limited
Work Description Tender for Comprehensive Annual Maintenance Of Electrical Equipments Installed At 2X 10 Mva Main Murpa Substation Under Gm Unit Kuju Area For A Period Of 01 Year.
Basic Detail
Tender No GM (K)/EnM/eTender/26-27/63
Bidding Type Tender
Location
City Ramgarh
State Jharkhand
Key Dates
Publish Date 27 Jul 2026
Submission Date 13 Aug 2026
Open Date 14 Aug 2026
Finance
Tender Value Ref. Documents
Tender Fee Ref. Documents
EMD 82700
Exemption Not Available
Document List
83d62c2d-37a5-4ce7-836c-9e040c63e217.html
BOQ_375495.xls
Tendernotice_1 (17).pdf

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Tender Timeline

Jul 27, 2026
11:30 IST

Tender Published

Tender notice published.

Completed
Aug 13, 2026
17:00 IST

Bid Submission Deadline

Online submission via eProcurement portal.

Upcoming · 10 days
Aug 14, 2026

Bid Opening Date

Technical bids will be opened and evaluated.

Upcoming · 11 days

Tender Documents

Download All (ZIP) ↓
html

83d62c2d-37a5-4ce7-836c-9e040c63e217.html

xls

BOQ_375495.xls

pdf

Tendernotice_1 (17).pdf

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