GEM

Indian Institute Of Public Administration transformer procurement 11 kV 3-phase up to 2500 kVA 2025

Bid Publish Date

25-Nov-2025, 10:41 am

Bid End Date

05-Dec-2025, 11:00 am

Value

₹53,69,000

Location

CENTRAL DELHI , DELHI

Progress

Issue25-Nov-2025, 10:41 am
AwardPending
Explore all 4 tabs to view complete tender details

Quantity

1

Bid Type

Two Packet Bid

Categories 8

HIGH VOLTAGE DISTRIBUTION SYSTEM DIRECT TRANSFORMER DISTRIBUTION TRANSFORMER ELECTRICAL SUBSTATION STATIC CONVERTERS TRANSFORMER SUPPLY ELECTRICAL DISTRIBUTION SYSTEM SUB STATION

Tender Overview

The procuring organization is the Indian Institute Of Public Administration (IIPA) under the Department Of Personnel And Training. The tender seeks a Distribution Transformer, 3 Phase, 11 kV > 200 KVA up to Including 2500 KVA with an estimated value of ₹5,369,000. The scope includes installation, testing, and demonstration, with mandatory conformance to energy efficiency and BEE star rating standards. It emphasizes compliance with performance and warranty milestones from receipt to installation. Unique requirements include stage inspections, sound level testing, BDV/oil tests, and several optional fittings such as Buchholz, oil temperature indicators, and protection relays. The opportunity targets manufacturers and suppliers capable of delivering equipment that adheres to detailed IS 1180 Pt.1:2014 guidelines and related certifications, ensuring robust performance and long-term service.

Technical Specifications & Requirements

  • Energy efficiency level and BEE Star Rating compliance
  • Installation, Testing and Demonstration as part of delivery
  • Minimum warranty on receipt of stores and minimum warranty from installation date (months)
  • Nominal system voltage (HV) and LV voltage (V), standard ratings (kVA)
  • Minimum basic insulation level (kVP), No load voltage ratios, and highest system voltage
  • Rated lightning impulse withstand voltage (kV Peak) per IS:1180 (Part 1):2014 Annex-D
  • Transformer tank: materials, thickness (mm), mounting type, oil/gasket standards; conservator presence
  • Painting: internal and external tank painting per IS:1180 (Pt.1):2014 Table 12
  • Winding/tap changer: number of positions, voltage variation, winding tapping details
  • Terminal arrangement & bushings on HV/LV sides; LV cable provision and end boxes
  • Optional fittings: lightning arrestors, bird guard, oil indicators, Buchholz, pressure/temperature sensors
  • Test reports & certifications: type tests, stage inspections; special reports for sound, short-circuit, no-load current tests
  • Altitude, maximum operating conditions and other service criteria

Terms, Conditions & Eligibility

  • Delivery/option clause允许 up to 25% quantity variation during contract; extended delivery periods may apply with a defined formula
  • Post-award requirement to submit detailed design drawings within 10 days, approval or modification list in 7 days; delivery adjusted accordingly
  • Bidder must not be undergoing liquidation or bankruptcy; provide an undertaking
  • Ensure product obsolescence-free with at least 7 years residual market life; OEM authorization if applicable
  • GST responsibility rests with bidder; reimbursement as per actuals or applicable rate; cap on GST percentage
  • EMD/PBG forms allowed; acceptable security can be Fixed Deposit Receipt or standard PBG; name as per buyer

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East Coast Railway Distribution Transformer Tender 3 Phase 11 kV 2500 KVA Vizianagaram Andhra Pradesh IS 1180 2014 2025

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VIZIANAGARAM, ANDHRA PRADESH

Posted: 7 November 2025
Closed: 17 November 2025
GEM

Technical Specifications 1 Item

Item #1 Details

View Catalog
Category Specification Requirement
STANDARDS Energy efficiency level 1
STANDARDS BEE Star Rating 1
STANDARDS Installation, Testing and Demonstration No
STANDARDS Minimum warranty on receipt of stores (in Months) 30
STANDARDS Minimum warranty from the date of installation (in Months) 24
RATINGS Nominal system voltage, HV ( in kV) 11
RATINGS Nominal system voltage, LV ( in V) 415
RATINGS Standard ratings (in kVA) 1000
RATINGS Minimum basic insulation level (in kVP) 75
RATINGS No load voltage ratios (in Volts) 11000/433-250
RATINGS Highest system voltage for equipment (in kV) 12
RATINGS Rated lightning impulse withstand voltage (in kV Peak) (Refer IS:1180 (Part 1):2014 Annex-D) 75
CONSTRUCTION Core mateial CRGO (as per IS:3024 latest)
CONSTRUCTION Conductor (Winding) material Copper
CONSTRUCTION Vector Group Dyn-11
CONSTRUCTION Type of Mounting Pole Mounted, Ground Mounted
CONSTRUCTION Noise level at rated voltage and freqeuncy, Maximum (in dB) 45
TRANSFORMER TANK Transformer tank cover construction Non-sealed, Bolted
TRANSFORMER TANK Tank configuration with With radiator fins
TRANSFORMER TANK Material of transformer tank Mild Steel
TRANSFORMER TANK Minimum thickness of top and bottom material of transformer tank (in mm) 6
TRANSFORMER TANK Minimum thickness of side material of transformer tank (in mm) 4
TRANSFORMER TANK Material of Bolts/Nuts/Wahers exposed to atmosphere Stainless steel (for upto 12 mm size), Brass (for upto 12 mm size), Electro Galvanized (for above 12 mm size), Hot Dip Galvanized (for above 12 mm size)
TRANSFORMER TANK Gaskets wherever used shall conform to Type III (as per IS:11149) Type C (as per IS:4253 (Pt.2)
TRANSFORMER TANK Provision of conservator Yes , for Non sealed type with Plain tank construction
Painting Type of painting on inside of tank (hint: Refer Table 12 of IS:1180 (Pt.1):2014) Oil resistant paint
Painting Type of painting on External surface of tank (hint: Refer Table 12 of IS:1180 (Pt.1):2014) Epoxy (Primer), Polyurethane (finish coat)
TAP CHANGER Winding tapped HV
TAP CHANGER No. of positions (in Nos.) 7
TAP CHANGER Voltage variation +5% to -10% in steps of 2.5% for variation of HV
TERMINAL ARRANGEMENT Transformer fitted with bushings of appropriate voltage and curent ratings on HV side Yes. 3 Nos. (Conforming to IS:2099)
TERMINAL ARRANGEMENT Transformer fitted with bushings of appropriate voltage and curent ratings on LV side Yes. 4 Nos. (Conforming to IS:7421)
TERMINAL ARRANGEMENT Suitable provision for adoption of cables of suitable size on LV side Yes. For PVC/XLPE Cables
TERMINAL ARRANGEMENT Cable End Box on HV side No
TERMINAL ARRANGEMENT Cable End Box on LV side Yes
MARKING Material of rating plate Anodized aluminium
MARKING Marking method on rating plate Etching
MARKING Rating and terminal marking plates combined into one plate Yes
OPTIONAL FITTINGS Suitable rating lightning arrestors HT Side, 1 No. per phase
OPTIONAL FITTINGS Bird guard No
OPTIONAL FITTINGS Terminal connectors Yes
OPTIONAL FITTINGS Oil temperature indicator and widning temperature indicator Yes
OPTIONAL FITTINGS Jacking pads No
OPTIONAL FITTINGS Buchholz relay NoMagnetic oil level gauge with low oil level alarm contact
OPTIONAL FITTINGS Magnetic oil level gauge with low oil level alarm contact Yes for transformer above 1600, No, Yes
OPTIONAL FITTINGS Non return valve Yes
OPTIONAL FITTINGS Protection relay for sealed type transformers for internal parameters that is pressure, temperature, oil level and gas detection No
OPTIONAL FITTINGS Unidirectional flat rollers Yes, No
OPTIONAL FITTINGS Drain cum sampling valve Yes with steel plug (for transformers upto 500 KVA)
OPTIONAL FITTINGS Self protection / disconnection devices No
OPTIONAL FITTINGS Expulsion fuse as disconnection device No
SERVICE CONDITION Maximum altitude <5000 m
TEST REPORTS & CERTIFICATIONS Availability of type test reports to prove the confirmity of the specification from NABL Accrediated
TEST REPORTS & CERTIFICATIONS Agreed for stage Inspection as required by buyer Yes
SPECIAL TEST REPORTS Availability of test report for Determination of sound level test No
SPECIAL TEST REPORTS Availability of test report for short circuit withstand test Yes
SPECIAL TEST REPORTS Availability of test report for No load current at 112.5 % Voltage Yes
SPECIAL TEST REPORTS Availability of test report for Paint adhesion test No
SPECIAL TEST REPORTS BDV and moisture content of oil in the transformer Yes for 1 No.
SPECIAL TEST REPORTS Other requirements Losses and Impedance values as per Cl.7.8 and Table 6 of IS:1180 (Part 1):2014 latest, Limits of temeprature-rise as per Cl.7.10 of IS:1180 (Part 1):2014 latest

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Required Documents

1

OEM Authorization Certificate

2

Additional Doc 1 (Requested in ATC) *In case any bidder is seeking exemption from Experience / Turnover Criteria

3

the supporting documents to prove his eligibility for exemption must be uploaded for evaluation by the buyer

Frequently Asked Questions

Key insights about DELHI tender market

How to bid for transformer tender in India 2025 with IIPA?

Bidders should verify qualification criteria, submit GST and PAN, provide experience certificates, financial statements, EMD/Security, OEM authorizations if needed, and technical bid documents. Ensure compliance with IS 1180, IS/IEC standards cited, and energy efficiency/BEE ratings. Prepare Detailed Design Drawings within 10 days of award and obtain buyer approval.

What documents are required for 11 kV transformer procurement in India?

Required documents typically include GST registration certificate, PAN card, company/incorporation details, experience certificates for similar transformers, financial statements, EMD submission proof, technical compliance certificates, OEM authorization if applicable, and bank guarantee or FDR for security deposit as per buyer terms.

What are the key technical standards for the IIPA transformer tender?

Key standards include IS:1180 (Part 1):2014, testing reports for short-circuit, no-load current, sound level; BDV/oil moisture tests, painting per Table 12; energy efficiency level and BEE star rating; high voltage/low voltage ratings denoted in the BOQ context.

When is delivery scheduled for the IIPA transformer procurement?

Delivery timing ties to the option clause; quantity may vary up to 25% with contract, and extended delivery time calculated as (Increase/Original) × Original period, minimum 30 days; final delivery depends on approved Detailed Design Drawings and buyer confirmation.

What is the EMD requirement for the IIPA transformer tender?

EMD details are specified in the tender terms; bidders should prepare the required EMD amount via the accepted mode (online/DD) as per GeM terms and ensure submission with bid; performance security may be furnished as PBG or FDR in favor of IIPA.

What are the warranty requirements for the 11 kV transformer bid?

Warranty terms include a minimum warranty on receipt and a minimum warranty from installation date (in months); ensure clarity on coverage scope, service response times, and spare parts availability; tests and stage inspections must align with IS 1180 standards.

What optional fittings and accessories are expected in the transformer tender?

Optional fittings may include Buchholz relay, oil temperature indicator, magnetic oil level gauge with alarm, protection relays, jack pads, drainage valves, and lightning arrestors; ensure compatibility with the tank design, gas detection, and current ratings on HV/LV sides.

How to verify stage inspection and test reports for the transformer?

Request stage inspection approvals and ensure availability of type test reports proving specification conformity; obtain special test reports for sound level, short-circuit withstand, no-load current at 112.5% voltage, BDV/oil tests, and oil moisture content prior to delivery.

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