GEM

Damodar Valley Corporation Gear Coupling & Bolt Tender Purulia West Bengal 723101 70/55/45/40 GFD ISO/Manufacturer-Wellman Wacoma 2025

Bid Publish Date

08-Dec-2025, 4:45 pm

Bid End Date

18-Dec-2025, 5:00 pm

Location

PURULIA , WEST BENGAL

Progress

Issue08-Dec-2025, 4:45 pm
AwardPending
Explore all 4 tabs to view complete tender details

Quantity

33

Category

Gear Coupling,Coupling Size-70 GFD, Make-Wellman Wacoma Ltd.

Bid Type

Single Packet Bid

Categories 12

AIR CYLINDERS MECHANICAL COUPLINGS SEED AND FEED EQUIPMENT BAGGAGE CONVEYOR CONVEYORS AND ACCESSORIES BELT CONVEYOR CONVEYING SYSTEM SAND PLANT COUPLINGS TRIPPER CUM STACKER GEAR BEARING HOLDERS

Tender Overview

Organization: Damodar Valley Corporation; Location: Purulia, WEST BENGAL – 723101; Product category: Gear Coupling assemblies and bolts (GFD series: 70, 55, 45, 40) for belt conveyor drives; Manufacturer: Wellman Wacoma Limited (authorized OEM/dealer required); Quantity/scope: 8 BOQ items (detailed quantities not disclosed); Estimated value/EMD: Not specified; Contractor eligibility: Single OEM/bidder requirement; Key differentiator: Mandatory OEM authorization; Delivery framework: Option clause allows up to 25% quantity variation; extended delivery time calculations with minimum 30 days.

Technical Specifications & Requirements

  • Items listed: Gear Couplings for GFD series (sizes 70, 55, 45, 40) and corresponding bolts for GFD-70/55/45/40; used in belt conveyor drives; OEM requirement: Bid must be submitted by M/s WELLMAN WACOMA LIMITED or its single authorized dealer/distributor; non-compliant bids rejected.
  • Delivery terms: Delivery period can be extended with option clause; additional delivery time formula: (additional quantity ÷ original quantity) × original delivery period, minimum 30 days; extended period allowed within original delivery window.
  • Standards/Compliance: Not explicitly specified in data; bidders should align with standard gear coupling specs and OEM compatibility; ensure fit to belt conveyor drive systems.
  • BOQ: 8 total items; specific quantities and units not provided in the extracted data; ensure alignment with required sizes and bolt specifications.
  • ATC/ATC document: Bid requires compliance with Buyer Added terms and ATC file details; download and review ATC for exact conditions.

Terms, Conditions & Eligibility

  • EMD / Security: Amount not disclosed in available data; bidders must review tender terms for deposit requirements.
  • Eligibility: Only M/s WELLMAN WACOMA LIMITED or its single authorized dealer/distributor may bid; ensures OEM authenticity.
  • Delivery & Timeframe: Delivery starts from order date; option clause allows quantity increase/decrease up to 25% with conditional delivery time adjustments.
  • Payment Terms: Not specified in provided data; verify in ATC document and tender terms.
  • Documentation: Submit OEM authorization, GSTIN, PAN, experience/certificates, and any required technical compliance documents as per ATC; ensure submission with bid.
  • Penalties & Warranty: Not detailed here; confirm in ATC and contract clause; verify LD/penalty terms and warranty provisions in the final bid document.

Key Specifications

  • Gear Coupling for GFD-70 (size 70) with bolt, suitable for belt conveyor drives

  • Gear Coupling for GFD-55 (size 55) with bolt

  • Gear Coupling for GFD-45 (size 45) with bolt

  • Gear Coupling for GFD-40 (size 40) with bolt

  • OEM: Wellman Wacoma Limited or its single authorized dealer/distributor

  • Delivery terms allowing up to 25% quantity variation with specified calculation

  • 8 items in BOQ; exact quantities not disclosed in available data

  • Delivery schedule and ATC terms must be followed as per Buyer Added terms

Terms & Conditions

  • Option clause permits ±25% quantity variation with adjusted delivery time

  • OEM-only bidding by Wellman Wacoma Limited or authorized dealer

  • Delivery starts from order date; extended time rules apply with minimum 30 days

Important Clauses

Payment Terms

Not specified in available data; verify in ATC and tender documents; ensure alignment with final contract terms

Delivery Schedule

Delivery period commences from last date of original delivery order; extension calculations apply with minimum 30 days

Penalties/Liquidated Damages

Not detailed in provided data; confirm LD terms within ATC/contract

Bidder Eligibility

  • Bid must be submitted by Wellman Wacoma Limited or its single authorized dealer/distributor

  • OEM authorization documents must be current and verifiable

  • Compliance with Buyer Added Terms and ATC is mandatory

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Bill of Quantities (BOQ) 8 Items

Item # Title Description Quantity Unit Consignee Delivery (Days)
1 Gear Coupling,Coupling Size-70 GFD, Make-Wellman Wacoma Ltd. Gear Coupling,Coupling Size-70 GFD, Make-Wellman Wacoma Ltd. 1 set [email protected] 120
2 Gear Coupling,Coupling Size-55 GFD, Make-Wellman Wacoma Ltd. Gear Coupling,Coupling Size-55 GFD, Make-Wellman Wacoma Ltd. 2 set [email protected] 120
3 COUPLING GEAR NO. 45GFD IN PILOT BORE CONDITION COUPLING GEAR NO. 45GFD IN PILOT BORE CONDITION 2 set [email protected] 120
4 COUPLING GEAR NO-40 GFD IN PILOT BORE CONDITION.USED IN BELT CONVEYOR DRIVES. COUPLING GEAR NO-40 GFD IN PILOT BORE CONDITION.USED IN BELT CONVEYOR DRIVES. 2 set [email protected] 120
5 Bolt for Gear Coupling GFD-70 Bolt for Gear Coupling GFD-70 2 set [email protected] 120
6 Bolt for Gear Coupling GFD-55 Bolt for Gear Coupling GFD-55 2 set [email protected] 120
7 Bolt for Gear Coupling GFD-45 Bolt for Gear Coupling GFD-45 20 no [email protected] 120
8 Bolt for Gear Coupling GFD-40 Bolt for Gear Coupling GFD-40 2 set [email protected] 120

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Required Documents

1

GST certificate

2

PAN card

3

Experience certificates (OEM-related)

4

Financial statements / turnover evidence

5

EMD submission document (amount and mode)

6

Technical compliance certificates (OEM authorization)

7

OEM authorization letter from Wellman Wacoma Limited

8

Authorized dealer/distributor agreement (if applicable)

9

Any other ATC-referenced documents

Frequently Asked Questions

Key insights about WEST BENGAL tender market

How to bid for gear coupling tender in Purulia West Bengal 2025

Bidders must be the OEM Wellman Wacoma Limited or its single authorized dealer. Prepare OEM authorization, GST, PAN, financials, and experience certificates. Review ATC for delivery, option clause (±25%), and payment terms. Submit complete technical bids with required bolts for GFD series and ensure compliance with OEM specifications.

What documents are required for gear coupling tender in West Bengal

Submit GST registration, PAN, company financial statements, experience certificates in belt conveyor drives, OEM authorization from Wellman Wacoma Limited, and bid security/EMD as per ATC. Include technical compliance certificates and any dealer/distributor agreement if bidding via authorized entity.

What are the delivery terms for OEM gear coupling tender in Purulia

Delivery starts from the order date; option clause allows ±25% quantity variation. Additional time equals (additional quantity/original quantity) × original delivery period, with a minimum extension of 30 days, and may extend within the original delivery window per contract.

Which sizes of gear couplings are included in the bid for belt conveyors

The tender covers gear couplings for sizes 70, 55, 45, and 40 (GFD series) and corresponding bolts for GFD-70/55/45/40; ensure compatibility with existing belt conveyor drives and OEM specifications.

What is the role of ATC in this gear coupling procurement

ATC documents govern bidder eligibility, OEM authentication, and specific terms for delivery, quantity variation, and penalties. Download and review the ATC file to ensure full compliance before bid submission and to align with the single OEM bidding requirement.

What is the bid scope for 8 BOQ items in this tender

There are 8 BOQ items listed, each corresponding to one or more gear coupling sizes and bolts; exact quantities are not disclosed here. Confirm itemized requirements in the BOQ section of the bid document and align with OEM product numbers and bolt specifications.

When is the last date to submit gear coupling bid from Damodar Valley

Exact submission deadlines are not provided in the available data. Refer to the tender portal ATC and bid invitation for the final submission date, and ensure OEM authorization and EMD compliance are prepared in advance.

What standards or certifications are required for gear coupling bid

The data does not specify IS or ISO standards; bidders should verify OEM specifications and ATC for required certifications. Ensure product compatibility with belt drive systems and obtain OEM authorization and any quality compliance documents before bidding.