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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹92.6 LAccepted-Finance | ₹92.6 L | L1 | Accepted-Finance Ok |
| 2 | L2₹95.7 LAccepted-Finance | ₹95.7 L | L2 | Accepted-Finance Ok |
| Sl No | Description | Qty | Unit | Coronet Engineers Pvt Ltd L1 | JVV Electrotech Pvt. Ltd. L2 |
|---|---|---|---|---|---|
| 1.01 | 11KV Compact Substation (CSS) shall be metal-enclosed prefabricated
substation suitable for outdoor installation. It shall house an 11kV Ring
Main Unit (RMU) ICOG type, distribution transformer, and Low Voltage
(LV) switchboard in a compact, weatherproof, tamper-proof enclosure
comply with standard or relevant IS of components
1 Nos.
Parameter Specification
System Voltage (HV) 11kV, 3-Phase, 50Hz
Transformer Rating [Specify: 500 KVA]
HV Switchgear SF6 gas insulated RMU
LV Voltage Output 433 V, 3-Phase, 4-wire
Cooling Type ONAN (Oil Natural Air Natural)
Degree of Protection IP54 for enclosure.
Installation Location Outdoor (Pad-mounted / Plinth-mounted)
1. Major Components
1.1 High Voltage Compartment (RMU)
• Type-tested RMU, SF6 gas insulated ring main unit.
• Rated Voltage: 12kV
• Rated Current: 630A
• Short-time withstand: 20kA for 3 sec
• Degree of Protection IP54 for enclosure.
• Rated power frequenecy voltage - 28 KV & Rated lightening withstand
voltage - 75 KV.
• Dead short Circuit life of VI - 40 nos.
• Rated internal arc rating - 21 KA for 1 sec for tank and cable box category
IAC-AFLR.
• Protection: Feeder protection relay with metering
• Manual or motorized operation
1.2 Transformer Compartment
• Type: Hermetically sealed or conservator-type
• Core type: CRGO / Amorphous (as specified)
• Insulating Medium: Mineral Oil
• The Losses of Transformer should be as per IS 1180 part 1 Eff level 2
norms.
• H.V. Power Frequency (KV rms): 28 kV.
• H.V. Impulse withstand voltage (KV peak): 75 kVp.
• Temp Rise: 50°C for Oil, 55°C for Winding as IS 1180 part 1 Eff level 2
norms.
• Degree of Protection IP34 for enclosure.
• HV & LV bushings: Cable box or plug-in type
• Transformers shall be designed for 110% continuous overfluxing withstand
capability.
• OTI & WTI,Pressure relief valve (without auxiliary
contacts),Skids,Earthing terminal,Lifting lugs,Rating plate,Dehydrating
breather. 1.3 Low Voltage Compartment
• Incomer: 1 no 4 Pole, 1600A, Microporcessor based ACB, rated
operational voltage of 415V AC, rated insulation voltage of 1000 volts AC,
rated impulse voltage of 12kV, 50 KA Icu=Ics=Icw for 1 sec @440V with
LSIG Protection, % load indication of each phase display on the release, No
derating upto 50 Degree Celsius and with Inbuilt ZSI feature.
(Schneider,Siemens, L&T/DJB approved make )
• Outgoing feeders: 6 no - 3P,250A,25kA, and 1 no
3P,100A,25kA, Thermal Magnetic MCCB and all MCCB are Double make
& Double break technique, Class 2 front facia, Locking in off position,
Suitable for Isolation (Schneider , Siemens, ABB/DJB approved make)
• Metering: Digital multi-function meter
• Cable entry: Bottom / Top (as specified)
• Degree of Protection IP54 for enclosure.
• Busbar: Aluminum Rated for transformer capacity, 50kA for 1 sec
2. Enclosure
• Material: Galvanized Steel Sheet (minimum 2 mm thick)
• The enclouser shall have IP54 degree of protection for HT & LT
switchgear compatment IP34 degree of protection for Transformer
compartment.
• The Enclosure to be tested for Internal Arc fault test to the tune of atleast
21 KA for 1 second for class A&B both, adhering to as per latest IEC 62271
202.
• The temperature rise test on enclosure for K10class.
• The encloser, RMU and LV Breaker should be of same make for better co
ordination and services.
• Finish: Powder-coated with anti-corrosive treatment
• Roof: Sloped with rainwater drainage
• Doors: Lockable with anti-vandal features
• Lighting and ventilation: Internal light and louvers.
3. Protection and Safety
• Overcurrent and earth fault protection for HV and LV sides
• Surge arresters on HV side
• Neutral grounding on transformer LV side (solid/through resistor)
• Earthing terminals for all compartments
• Danger signage and mimic diagram
4. Accessories
• Cable glands and lugs
• Lifting hooks and skid base
• Fire extinguisher bracket
• Earthing rods and cables
Make: ABB/Schneider/Siemens/L&T/DJB Approved Make. | 1 | No | 26,50,200 ₹31.3 L | 27,91,700 ₹32.9 L |
| 1.02 | S/O XLPE insulated 11KV 240 sq mm 3 core cable Make: Gloster/Havells/Polycab/Grandlay/DJB Approved Make. | 300 | Mtr | 8,10,000 ₹9.6 L | 8,93,100 ₹10.5 L |
| 1.03 | 11KV 3 core indoor type cable jointing kit | 2 | set | 15,500 ₹18,290 | 15,800 ₹18,644 |
| 1.04 | S/O PVC insulated 95 sq mm 3.5 core aluminum armored
Make: Gloster/Havells/Polycab/Grandlay/DJB Approved Make. | 1,500 | Mtr | 13,50,000 ₹15.9 L | 14,40,000 ₹17.0 L |
| 1.05 | S/O PVC insulated 25 sq mm 3.5 core aluminum armored
Make: Gloster/Havells/Polycab/Grandlay/DJB Approved Make. | 1,000 | Mtr | 3,00,000 ₹3.5 L | 3,00,000 ₹3.5 L |
| 1.06 | Supply, installetion, testing, and commissioning of LT Feeder Panel (Hut Type) suitable for outdoor installation.The Panel should have chambers and insertions as per following details:-Main Incomer: - 1. 250 A,36 KA FP, MCCB with Thermal Magnetic Release Based- 1 Nos.
2. Digital Ampere meter 96mmx96mm square shape-1 Nos.
3. Digital Voltmeter of 96mm x 96 mm square shape-1 Nos.
4. LED Indicating lamps with fitting (a set of 3 lamps)- 1Set
Outgoing Section:- 1. 100A, FP, MCCB with Thermal Magnetic Release Based-3nos
Make:-All the insert used in Panel must be of DJB approved makes and should be ISI marked where make of that equipment is not approved. | 4 | nos | 5,71,200 ₹6.7 L | 5,89,200 ₹7.0 L |
| 1.07 | Earthing with G.I. earth pipe 4.5 Meter long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and salt as required. | 4 | nos | 42,200 ₹49,796 | 43,000 ₹50,740 |
| 1.08 | Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 Meter long etc. with charcoal/ coke and salt as required. | 4 | nos | 58,600 ₹69,148 | 59,600 ₹70,328 |
| 1.09 | Providing and fixing 25 mm X 5 mm G.I. strip on
surface or in recess for connections etc. as require | 200 | Mtr | 84,600 ₹99,828 | 86,600 ₹1.0 L |
| 1.10 | Installation of CSS unit ,making foundation/base
frame as per relevant IS for fixing the CSS unit | 1 | job | 4,55,000 ₹5.4 L | 3,50,000 ₹4.1 L |
Tender Value
Refer Docs
EMD Value
₹1.9 L
Closing Date
17 Feb 2026, 3:00 pmClosed
ANIRUDH DUBE
Sonia Vihar WTP
Electrification work for Energization of Tube wells installed at Pappankalan STP
2026_DJB_286726_1
NIT No 31 (2025-26)Item No 01/EE(EandM)TYRSV
Open Tender
Miscellaneous Works
15 days
Sonia Vihar WTP
Please refer Tender documents.
2 documents required · 2 mandatory
₹1,000
Delhi Jal Board
₹1.9 L
25 Feb 2026
11 Feb 2026
17 Feb 2026
11 Feb 2026
17 Feb 2026
11 Feb 2026
11 Feb 2026 - 17 Feb 2026
11KV Compact Substation (CSS) shall be metal-enclosed prefabricated substation suitable for outdoor installation. It shall house an 11kV Ring Main Unit (RMU) ICOG type, distribution transformer, and Low Voltage (LV) switchboard in a compact, weatherproof, tamper-proof enclosure comply with standard or relevant IS of components 1 Nos. Parameter Specification System Voltage (HV) 11kV, 3-Phase, 50Hz Transformer Rating [Specify: 500 KVA] HV Switchgear SF6 gas insulated RMU LV Voltage Output 433 V, 3-Phase, 4-wire Cooling Type ONAN (Oil Natural Air Natural) Degree of Protection IP54 for enclosure. Installation Location Outdoor (Pad-mounted / Plinth-mounted) 1. Major Components 1.1 High Voltage Compartment (RMU) • Type-tested RMU, SF6 gas insulated ring main unit. • Rated Voltage: 12kV • Rated Current: 630A • Short-time withstand: 20kA for 3 sec • Degree of Protection IP54 for enclosure. • Rated power frequenecy voltage - 28 KV & Rated lightening withstand voltage - 75 KV. • Dead short Circuit life of VI - 40 nos. • Rated internal arc rating - 21 KA for 1 sec for tank and cable box category IAC-AFLR. • Protection: Feeder protection relay with metering • Manual or motorized operation 1.2 Transformer Compartment • Type: Hermetically sealed or conservator-type • Core type: CRGO / Amorphous (as specified) • Insulating Medium: Mineral Oil • The Losses of Transformer should be as per IS 1180 part 1 Eff level 2 norms. • H.V. Power Frequency (KV rms): 28 kV. • H.V. Impulse withstand voltage (KV peak): 75 kVp. • Temp Rise: 50°C for Oil, 55°C for Winding as IS 1180 part 1 Eff level 2 norms. • Degree of Protection IP34 for enclosure. • HV & LV bushings: Cable box or plug-in type • Transformers shall be designed for 110% continuous overfluxing withstand capability. • OTI & WTI,Pressure relief valve (without auxiliary contacts),Skids,Earthing terminal,Lifting lugs,Rating plate,Dehydrating breather. 1.3 Low Voltage Compartment • Incomer: 1 no 4 Pole, 1600A, Microporcessor based ACB, rated operational voltage of 415V AC, rated insulation voltage of 1000 volts AC, rated impulse voltage of 12kV, 50 KA Icu=Ics=Icw for 1 sec @440V with LSIG Protection, % load indication of each phase display on the release, No derating upto 50 Degree Celsius and with Inbuilt ZSI feature. (Schneider,Siemens, L&T/DJB approved make ) • Outgoing feeders: 6 no - 3P,250A,25kA, and 1 no 3P,100A,25kA, Thermal Magnetic MCCB and all MCCB are Double make & Double break technique, Class 2 front facia, Locking in off position, Suitable for Isolation (Schneider , Siemens, ABB/DJB approved make) • Metering: Digital multi-function meter • Cable entry: Bottom / Top (as specified) • Degree of Protection IP54 for enclosure. • Busbar: Aluminum Rated for transformer capacity, 50kA for 1 sec 2. Enclosure • Material: Galvanized Steel Sheet (minimum 2 mm thick) • The enclouser shall have IP54 degree of protection for HT & LT switchgear compatment IP34 degree of protection for Transformer compartment. • The Enclosure to be tested for Internal Arc fault test to the tune of atleast 21 KA for 1 second for class A&B both, adhering to as per latest IEC 62271 202. • The temperature rise test on enclosure for K10class. • The encloser, RMU and LV Breaker should be of same make for better co ordination and services. • Finish: Powder-coated with anti-corrosive treatment • Roof: Sloped with rainwater drainage • Doors: Lockable with anti-vandal features • Lighting and ventilation: Internal light and louvers. 3. Protection and Safety • Overcurrent and earth fault protection for HV and LV sides • Surge arresters on HV side • Neutral grounding on transformer LV side (solid/through resistor) • Earthing terminals for all compartments • Danger signage and mimic diagram 4. Accessories • Cable glands and lugs • Lifting hooks and skid base • Fire extinguisher bracket • Earthing rods and cables Make: ABB/Schneider/Siemens/L&T/DJB Approved Make.
S/O XLPE insulated 11KV 240 sq mm 3 core cable Make: Gloster/Havells/Polycab/Grandlay/DJB Approved Make.
11KV 3 core indoor type cable jointing kit
S/O PVC insulated 95 sq mm 3.5 core aluminum armored Make: Gloster/Havells/Polycab/Grandlay/DJB Approved Make.
S/O PVC insulated 25 sq mm 3.5 core aluminum armored Make: Gloster/Havells/Polycab/Grandlay/DJB Approved Make.
Supply, installetion, testing, and commissioning of LT Feeder Panel (Hut Type) suitable for outdoor installation.The Panel should have chambers and insertions as per following details:-Main Incomer: - 1. 250 A,36 KA FP, MCCB with Thermal Magnetic Release Based- 1 Nos. 2. Digital Ampere meter 96mmx96mm square shape-1 Nos. 3. Digital Voltmeter of 96mm x 96 mm square shape-1 Nos. 4. LED Indicating lamps with fitting (a set of 3 lamps)- 1Set Outgoing Section:- 1. 100A, FP, MCCB with Thermal Magnetic Release Based-3nos Make:-All the insert used in Panel must be of DJB approved makes and should be ISI marked where make of that equipment is not approved.
Earthing with G.I. earth pipe 4.5 Meter long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and salt as required.
Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 Meter long etc. with charcoal/ coke and salt as required.
Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as require
Installation of CSS unit ,making foundation/base frame as per relevant IS for fixing the CSS unit
Laying of HT cable & making connection as per site requirement & making connection of termination kit both side
Laying of LT cable & making connection as per site requirement in CSS unit
Testing & commissioning of CSS unit as per required parameters with relevant IS. testing of the System prior to switching on as Continuity and earth testing, Meggaring of all equipment’s for phase to phase, neutral to body, neutral to earth and phase to earth.
SITC of 11 KV ICOG Panel ( Including VCB 800 Amp with all required protection, CT,& PT ), Type Test Report Required
Fiiting and assembly of 11 KV Panel with existing HT Panel and retrofitting of Bus Bar
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