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Gujarat State Road Transport Corporation Rubber Diaphragms Tender Rajkot Gujarat 2026 ISI/AAA/TRTL Standards

Bid Publish Date

06-Jun-2026, 9:19 am

Bid End Date

16-Jun-2026, 10:00 am

Progress

Issue06-Jun-2026, 9:19 am
AwardPending
Explore all 4 tabs to view complete tender details

Quantity

460

Category

Rubber Diaphragms

Bid Type

Two Packet Bid

Tender Overview

Gujarat State Road Transport Corporation invites bids for the supply of rubber diaphragms in Rajkot, Gujarat. The scope is goods-only supply with a potential quantity variation up to 25% at contracted rates. Bidders must be manufacturers, dealers, distributors, or traders and demonstrate financial capability, with a turnover requirement tied to the bid value. Unique terms include a flexible delivery window linked to original and extended schedules and a 61-day payment cycle with early payment benefit. The procurement focuses on standard rubber diaphragm components used in transport applications, with emphasis on compliance to specified classifications and material types. This tender emphasizes vendor capability to scale quantity and honor revised delivery in-contract, reflecting GSRTC’s responsive procurement approach.

Technical Specifications & Requirements

  • Category: Rubber diaphragms (Q3) for transport equipment
  • Product scope: Supply of rubber diaphragm components; no BOQ line items available
  • Procurement context: Goods-only supply; delivery terms align with option clause in the contract
  • Supplier requirements: Manufacturer, dealer, distributor, or trader status
  • Financial prerequisites: Minimum average annual turnover over the last 3 years at least twice the bid value; evidence of production capability
  • Delivery and extension: Additional quantity time calculated as (Increased quantity / Original quantity) × Original delivery period, min 30 days; may extend to original delivery period
  • Payment terms: 61 days from receipt of material; 2% cash discount if paid within 20 working days of receipt
  • Compliance expectations: Emphasis on meeting specified material/design standards and ensuring sample approval prior to supply
  • Eligible partners: Must show ability to fulfill bulk supply with timely delivery and compliance with statutory requirements
  • EMD/financial support: Not specified in available data; bidders should prepare standard security deposits as per terms

Terms, Conditions & Eligibility

  • Quantity flexibility: Purchaser may increase/decrease quantity up to 25% at contract and during currency
  • Scope: Bid price must include all costs for the goods; service scope limited to goods supply
  • Eligibility: Bidder must be a manufacturer, dealer, distributor, or trader of bid items
  • Turnover requirement: Average annual turnover over last 3 years must be at least twice the bid value
  • Payment timing: 61 days from actual receipt; 2% CD if payment within 20 working days
  • Sample requirement: Bidders must obtain and submit sample material prior to supplying
  • Compliance: Avoid specified deviations; adhere to division-specific specifications; align with supplier conditions
  • Documentation: GST, PAN, experience certificates, financials, and OEM authorizations as applicable
  • Delivery terms: Option-driven delivery periods with adjustment rules; ensure adherence to extended delivery timelines
  • Penalties: Not detailed in available terms; bidders should plan for timely delivery and sample compliance

Key Specifications

    • Product: Rubber diaphragms for transport equipment
    • Category: Q3 generic specification; principal types/classifications/material/design parts to be defined by supplier
    • Size/Dimensions: Not explicitly provided in data; expect standard diaphragm dimensions per project specification
    • Standards: Not specified in data; bidders should confirm ISI/AAA/TRTL or organization-specific requirements
    • Packaging/Delivery: Goods-only supply; delivery schedule per option clause with flexible timing
    • Quality/Testing: Sample approval prior to supply; material composition to meet generic diaphragm requirements
    • OEM/Brand: Not specified; verify if brand/OEM constraints exist during bid submission

Terms & Conditions

  • Quantity may vary up to 25% at contract award and during currency

  • 61 days payment term from receipt of material with 2% early payment discount

  • Bidder must be manufacturer, dealer, distributor, or trader of the item

  • Turnover criterion: last 3 years average > 2x bid value

  • Goods-only supply; sample approval and compliance with material specifications

  • Delivery extension calculations require minimum 30 days and alignment with original delivery period

Important Clauses

Payment Terms

Payment due in 61 days from actual receipt; 2% cash discount if payment within 20 working days

Delivery Schedule

Delivery period may be extended using the option clause; additional time calculated as (increased/original) × original days, minimum 30 days

Penalties/Liquidated Damages

Not explicitly specified; bidders should assume standard L.D. provisions and negotiate accordingly

Bidder Eligibility

  • Bidder must be a manufacturer, dealer, distributor, or trader of rubber diaphragm items

  • Average annual turnover over the last 3 years must be at least twice the bid value

  • Must show ability to supply samples and adhere to material specifications

Additional Tender Data

Commercial Details

Tender Category

Goods

Bid To RA

No

Bid To RA Enabled

No

Item Category

Rubber Diaphragms (Q3)

Authority Records

PORTS AND TRANSPORT DEPARTMENT
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Documents 7

GeM-Bidding-9409119.pdf

Main Document

CATALOG-Specification-1

CATALOG Specification

CATALOG-Specification-2

CATALOG Specification

CATALOG-Specification-3

CATALOG Specification

CATALOG-Specification-4

CATALOG Specification

CATALOG-Specification-5

CATALOG Specification

GEM General Terms and Conditions Document

GEM_GENERAL_TERMS_AND_CONDITIONS

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Technical Specifications 5 Items

Item #1 Details

View Catalog
Category Specification Requirement
Generic specification Principal Types Fabric-Reinforced Elastomer
Generic specification Classifications Flat-spring diaphragm
Generic specification Material Neoprene Rubber
Generic specification Design parts Dome
Dimension & size Size 8.0 - 800.0 Or higher

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Historical Data

Required Documents

1

GST registration certificate

2

PAN card

3

Experience certificates of similar supply

4

Financial statements (last 3 years)

5

EMD/Security deposit (as applicable by GSRTC)

6

Technical bid documents

7

OEM authorization letters (if applicable)

8

Product sample approval documentation (where required)

Frequently Asked Questions

Key insights about GUJARAT tender market

How to bid for rubber diaphragms tender in Rajkot Gujarat 2026

Bidders must be manufacturers, dealers, distributors, or traders of rubber diaphragms and meet turnover equal to at least twice the bid value. Prepare GST, PAN, experience certificates, financials, and OEM authorizations. The bid requires sample approval and adherence to 61-day payment terms with potential 2% early payment discount.

What documents are required for GSRTC diaphragm tender in Rajkot

Submit GST registration, PAN card, three-year financial statements, experience certificates of similar supply, OEM authorizations, technical bid, and EMD/security deposit as applicable. Include sample approval documents and any product certifications relevant to rubber diaphragms.

What are the delivery terms for rubber diaphragms supply Gujarat

Delivery can be extended using the option clause; additional time equals (increased quantity/original quantity) × original delivery days, with a minimum of 30 days. Base delivery aligns with contract timing, and the purchaser may increase quantity by up to 25% during contract and currency.

What payment terms apply to GSRTC diaphragm procurement 2026

Payments are due within 61 days from actual receipt of material. A 2% cash discount is offered if payment is made within 20 working days from receipt. Ensure proper invoicing and delivery documentation to qualify for discount.

What standards or certifications are expected for rubber diaphragms

The tender data specifies generic material/design specs with possible ISI/AAA/TRTL compliance. Vendors should confirm exact standard requirements during bid submission and provide sample approvals and any brand/OEM specifications to meet procurement needs.

Who is eligible to supply rubber diaphragms for GSRTC

Eligibility requires being a manufacturer, dealer, distributor, or trader of diaphragms. Demonstrate turnover at least twice the bid value over the last three years and provide evidence of production capability, along with sample material approval prior to supply.

When will sample approvals be required for the diaphragms

Sample approval is a prerequisite before supply; bidders should submit product samples for evaluation. Ensure documentation demonstrates conformity with material specifications and any brand/OEM requirements specified in the bid terms.

What is the estimated value and EMD for the diaphragm tender

The tender data does not disclose explicit estimated value or EMD amount. Bidders should prepare standard EMD as per GSRTC guidelines and base their quotations on the anticipated volume indicated by the 25% quantity variation clause.

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