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Ntpc Sail Power Company Ltd Storage Silo Vent Filter Bags & Al Venturi Tender Bardhaman West Bengal 2025

Bid Publish Date

01-Jan-2026, 4:10 pm

Bid End Date

22-Jan-2026, 3:00 pm

Value

₹1,25,092

Location

BARDHAMAN , WEST BENGAL

Progress

Issue01-Jan-2026, 4:10 pm
AwardPending
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Quantity

600

Category

10_ 1100014507_ M5603011106_ INDURE: STORAGE SILO VENT FILTER BAGS.

Bid Type

Two Packet Bid

Categories 9

SEED AND FEED EQUIPMENT BAG FILTER FILTERS BAG GAS BURNERS PNEUMATIC NON CONVENTIONAL FILTER VACUUM FILTERS SILO

Tender Overview

Ntpc Sail Power Company Ltd invites bids for INDURE: STORAGE SILO VENT FILTER BAGS and AL VENTURI FOR BAG FILTER to support dust collection at NSPCL-related facilities in BARDHAMAN, WEST BENGAL. Estimated value is ~₹125,092.42 with a delivery window of 6 months from award. The scope includes non-woven polyester needle felt bags (550 G.S.M.), dimensions 130 mm dia x 2500 mm long, and an aluminum Venturi per Drawing NSPCL/BMD/DAETP/013. Key differentiators include strict fabric specs, temperature resistance, and a mandatory supply-with-quality documentation package. Unique terms emphasize post-acceptance warranty and visual inspection at NSPCL stores. This tender requires adherence to detailed fabric wear characteristics and precise manufacturing tolerances to avoid deviations.

Technical Specifications & Requirements

  • Item 10: Storage Silo Vent Filter Bags — Fabric: 550 g/m2 ±5%, thickness 2.0 mm ±0.2, bursting strength 30 kgf/cm2 ±10%, air permeability 160 l/dm2/min ±20% at 20 mm wg, temperature tolerance 120°C continuous for 2 min; higher temp surge 140°C for 30 sec. Size: 130 mm diameter x 2500 mm length; one side closed with disc, other side snab ring/collar. Weight tolerance, snap ring: 0.4 mm thick x 25 mm. Each set equals one filter bag.
  • Item 20: Venturi: AL Venturi made from aluminum sheet 18 SWG per NSPCL drawing NSPCL/BMD/DAETP/013.
  • Inspection: Visual at NSPCL stores on receipt of documents; warranty: 18/12 months from supply/use; payment: 100% within 30 days post receipt/acceptance; delivery: within 6 months of award; PBG not applicable.
  • Documentation: Techno-commercial bid, SPC, and post-supply guarantees, NABL/Govt lab fabric TC for bag filter, and material TC for MS cage and aluminum Venturi.

Terms, Conditions & Eligibility

  • GST will be reimbursed per actuals or applicable rates, whichever is lower. Bidders must provide PAN, GSTIN, Cancelled Cheque, and EFT Mandate certified by bank.
  • Delivery window: 6 months from award; payment terms: 100% within 30 days after receipt and acceptance at NSPCL DURGAPUR Stores.
  • Evaluation: Total value based; deviations in material specs must be clarified before bid submission; warranty period applies to workmanship and manufacturing defects.
  • Documents to supply: guarantee/warranty certificate, fabric TC from NABL Govt Lab, and MS cage & Venturi material TC.

Key Keywords

storage silo vent bag, AL venturi for bag filter, NSPCL drawing NSPCL/BMD/DAETP/013, 550 GSM bag, IS/ASTM compliant, DMD batch testing, Durgapur NSPCL, Bardhaman tender

Key Specifications

  • 130 mm dia x 2500 mm long storage silo vent filter bag

  • Fabric: 550 g/m2 ±5%, thickness 2.0 mm ±0.2 mm

  • Bursting strength 30 kgf/cm2 ±10%

  • Air permeability 160 l/dm2/min ±20% at 20 mm w.g

  • Temperature tolerance: 120°C continuous (2 min); 140°C surge (30 sec)

  • Snap ring: 0.4 mm thick x 25 mm width (spring steel)

  • Venturi: Aluminum, 18 SWG, per NSPCL drawing NSPCL/BMD/DAETP/013

  • Delivery: 6 months from award; 100% payment within 30 days after receipt/acceptance

  • Warranty: 12-18 months against workmanship/manufacturing defects

  • Inspection: Visual at NSPCL Stores on receipt; price evaluation: total value

Terms & Conditions

  • GST reimbursement as per actuals or applicable rate, whichever lower

  • Delivery within 6 months from award; payment 100% in 30 days post-acceptance

  • EMD not specified; PBG not applicable; warranty 12-18 months

Important Clauses

Payment Terms

100% payment within 30 days after receipt and acceptance at NSPCL stores; no advance payment mentioned

Delivery Schedule

Delivery to be completed within 6 months from award date

Penalties/Liquidated Damages

Not explicitly stated; risk of purchase if late delivery noted; deviations require pre-bid clarification

Bidder Eligibility

  • GST registered bidder

  • PAN provided

  • EFT mandate and bank validation

  • Fabric TC from NABL/Govt lab and material TC for components

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Required Documents

1

PAN Card copy

2

GSTIN copy

3

Cancelled cheque

4

Bank-certified EFT mandate

5

Techno-commercial bid

6

SPC (statistical process control) documents

7

Fabric manufacturer's TC (NABL Govt Lab)

8

MS Cage material TC

9

Aluminum Venturi material TC

10

Warranty/guarantee certificate

Frequently Asked Questions

Key insights about WEST BENGAL tender market

How to bid on Ntpc Sail Power storage silo filter bags tender in Bardhaman 2025?

Bidders must submit PAN, GSTIN, Cancelled Cheque, and EFT Mandate along with the Techno-commercial bid and SPC. Ensure fabric TC from NABL/Govt lab for bag filters and material TC for MS cage and aluminum Venturi, plus warranty certificates. The delivery window is 6 months and payment is within 30 days of receipt.

What documents are required for the Ntpc Sail Power bag filter tender in West Bengal?

Required documents include PAN, GSTIN, Cancelled Cheque, EFT Mandate, Techno-commercial bid, SPC, NABL/Govt lab fabric TC, MS Cage & Aluminum Venturi material TC, and warranty certificates. GST considerations follow applicable rates or actuals as per tender terms.

What are the technical specifications for the storage silo vent bags in this tender?

Bags must be non-woven polyester needle felt with 550 G.S.M. ±5%, 130 mm diameter x 2500 mm length, 2.0 mm ±0.2 thickness, bursting strength 30 kgf/cm2 ±10%, air permeability 160 l/dm2/min ±20% at 20 mm wg, continuous 120°C for 2 min and 140°C surge 30 sec.

What is the delivery period and payment terms for the bag filter equipment?

Delivery must be completed within 6 months from award. Payment terms specify 100% payment within 30 days after receipt and acceptance at NSPCL DurgaPur Stores; no advance payment is described.

Which standards are referenced for fabric performance in this tender?

Fabric specs reference ASTM D5261/D3776 for weight, ASTM D3786 for bursting strength, and ASTM D737 for air permeability, with IS 1969 tensile guidance; temperature tolerance is specified for operation at 120°C continuously and 140°C in surge.

What warranties or guarantees are required for the vent bag and venturi components?

Warranty period is 12-18 months from supply/use for workmanship/manufacturing defects; visual inspection upon receipt; guarantee/warranty certificate essential; PBG not applicable as per terms.

What are the inspection and evaluation criteria for this Ntpc Sail Power tender?

Inspection is visual at NSPCL stores on receipt. Evaluation is based on total value; deviations in material specifications must be clarified before bid submission. 18/12 month warranty applies, with NABL/Govt lab certificates required in the supply package.