SLEEVE_2MM,PVC CTD FBR GLS,1 NO equals 1 MTR,SLEEVE_10MM,PVC CTD FBR GLS,1 NO equals 1 MTR,SLEEVE_1
Mahanadi Coalfields Limited
ANGUL, ODISHA
Bid Publish Date
06-Jun-2026, 5:16 pm
Bid End Date
17-Jun-2026, 3:00 pm
Location
Progress
Quantity
950
Category
RUB-IS: 11149: CL-3B: THK-1.6MM THK
Bid Type
Two Packet Bid
Ntpc Sail Power Company Ltd invites procurement of RUB-IS:11149 CL-3B rubber gaskets in Sundargarh, Odisha. Thickness variants include 1.6mm, 3mm, 5mm, 8mm (TYPE-III CLASS-3B with IS 11149 compliance). No BOQ quantities listed; documents require techno-commercial bid with a Nil-Deviation certificate and SPC. Payment term is 100% within 30 days of receipt and acceptance at NSP. Inspection is visual at NSPCL stores on material receipt. Warranty provisions mandate warranty for 18/12 months or with a vendor warranty certifying IS conformance. This tender emphasizes material verifiability via NABL/NTPC-approved test certificates for hardness, tensile, elongation, and compression.
Product category: RUB-IS 11149 CL-3B gasket rubber
Thickness variants: 1.6MM, 3MM, 5MM, 8MM
Standards: IS 11149 TYPE-III CLASS-3B with properties Oil-Resistant (SH-51-70), TS-100, E-250C, MPR-30
Quality tests: hardness, tensile, elongation, compression strength with NABL/NTPC labs
Warranty: 18 months or certificate-based warranty; ensure IS conformity
Delivery terms linked to original and extended orders under option clause with 25% quantity flexibility
100% payment within 30 days after receipt and acceptance at NSP
Inspection and quality verification via NABL/NTPC-approved labs; Nil-Deviation and SPC required
100% payment within 30 days after receipt and acceptance of material at NSP
Delivery period subject to original order terms; option clause allows 25% quantity variation
Not specified in terms; penalties would be governed by standard NSPCL procurement rules
Experience in supplying gasket rubber meeting IS 11149 Type-III Class-3B
GST registration and financial stability documentation
Ability to provide NABL/NTPC-approved lab certificates for material testing
Tender Category
Goods
Bid To RA
No
Bid To RA Enabled
No
Item Category
RUB-IS: 11149: CL-3B: THK-1.6MM THK , RUB-IS: 11149: CL- 3B: THK-3MM , RUB-IS: 11149: CL-3B: THK-5MM , RUB-IS: 11149: CL-3B: THK-8MM
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Main Document
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GEM_GENERAL_TERMS_AND_CONDITIONS
Mahanadi Coalfields Limited
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GST registration certificate
PAN card
Experience certificates for similar gasket rubber supply
Financial statements or turnover proof
EMD/Security deposit documentation (if applicable)
Technical bid with compliance to IS 11149 Type-III Class-3B
Endorsed Nil-Deviation certificate
SPC (Statistical Process Control) documentation
NABL/NTPC-approved laboratory test certificates for hardness, tensile, elongation & compression strength
Vendor warranty certificate or IS conformity certificate
NABAL/NTPC lab test reports
Key insights about ODISHA tender market
Bidders must submit a techno-commercial bid with a Nil-Deviation certificate and SPC, along with GSTIN, PAN, and turnover proof. Provide NABL/NTPC-approved test certificates for hardness, tensile, elongation, and compression strength for IS 11149 Type-III Class-3B rubber gaskets in thicknesses 1.6mm, 3mm, 5mm, and 8mm. Payment terms require 100% within 30 days after acceptance.
Required documents include GST registration, PAN card, experience certificates for similar gasket supply, financial statements, EMD documentation if applicable, Nil-Deviation certificate, SPC, and NABL/NTPC-lab test certificates. Warranty certificate or IS conformity certificate must also be provided along with the bid.
Gaskets must conform to IS 11149 TYPE-III CLASS-3B. Thickness variants include 1.6mm, 3mm, 5mm, 8mm. Material must be oil-resistant with properties SH-51-70, TS-100, E-250C, MPR-30; NABL/NTPC lab testing is required.
Payment is 100% within 30 days after receipt and acceptance of the material at NSP. Ensure acceptance documents are completed to trigger payment processing; any discrepancies may delay settlement.
Certificates must cover hardness, tensile strength, elongation, and compression strength. Tests should be performed by NABL-certified, government-approved, or NTPC-approved labs, confirming compliance with IS 11149 Type-III Class-3B specifications.
Inspection is visual at respective NSPCL stores on receipt of material, based on documents submitted by the vendor. Ensure all test certificates and Nil-Deviation documents accompany the shipment to pass inspection without delay.
The purchaser reserves a 25% quantity variation up or down at contract placement, with an additional 25% during the currency at contracted rates. Delivery time adjustments follow the formula provided in the option clause, with a minimum of 30 days.
Warranty must cover 18 months from supply or use, whichever occurs first, or an explicit warranty certificate stating IS 11149 conformance. Vendors must guarantee workmanship/ manufacturing defects and provide the warranty certificate with the supply.
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GEM_GENERAL_TERMS_AND_CONDITIONS