ONGC Nagapattinam Dual Media Filter Media Change Tender 2026 Tamil Nadu - SBM Pressure Sand & Activated Carbon Maintenance 2026

Tender Overview

Organization: Oil And Natural Gas Corporation Limited, Nagapattinam, Tamil Nadu. Procuring Dual media filter media change services under Swachh Bharat Mission (SBM) for Pressure Sand Filters and Activated Carbon Filters at ONGC ETP, Narimanam, Kuthalam village, Tamil Nadu. Estimated value: ₹500,000; location: Nagapattinam, Tamil Nadu 609703. Scope includes periodic media change, backwash maintenance, corrosion checks, leakage prevention, and valve control to avoid media loss. A 25% contract quantity/duration variation clause applies; delivery/installation at site is a defined requirement. The bid requires compliance with ATC and uploaded certificates; no BOQ items exist in the current data.

Technical Specifications & Requirements

• Service category: Swachh Bharat Mission filter media change for Pressure Sand Filters and Activated Carbon Filters.
• Key operational tasks: maintain water-filled media, inspect vessel corrosion, perform painting when needed, monitor leakage, measure pressure drop for backwashing, control inlet valve to prevent media loss, and schedule periodic media changes.
• Site delivery: ONGC ETP, Narimanam, Kuthalam village, Thittachery, Nagapattinam, Tamil Nadu 609703. All work includes safety precautions for confined spaces and oxygen levels before entry.
• Compliance expectations: non-toxic materials where applicable; MSDS to be provided for toxic substances; adherence to ATC guidelines uploaded with bid.
• Noted gaps: explicit media quantities, timing, and performance standards are not specified in the provided data; bidders must rely on site-specific indicators and ATC attachments.

Terms, Conditions & Eligibility

• 25% clause allows increase/decrease in contract quantity or duration up to 25% at issue and post-issuance.
• Work to be performed at ONGC ETP in Tamil Nadu; vendor remains liable for performance and compliance irrespective of subcontracting.
• Bidders must upload all required certificates; non-submission risks rejection per ATC.
• Documentation includes GST, PAN, experience certificates, financial statements, EMD documents, and OEM authorizations; specific submission requirements are defined in terms.
• Safety compliance and SBMs requirements apply; media changes must follow routine maintenance and backwash procedures; confined space precautions are mandatory.