Mines/Minerals Drilling

Scope of work

Surface rotary core drilling for non-energy minerals (niobium and associated mineralization in basalt/alkaline dyke formations). Drilling 10 inclined boreholes (45°) with ~200m spacing, achieving 2000m total depth with 20% depth tolerance. Core recovery minimum 90% in mineralized zones and 80% in non-mineralized zones, using 56mm core size and PP core boxes. Geophysical logging required in all boreholes (Natural Gamma, Magnetic Susceptibility, Resistivity, Self Potential, Single Point Resistance).

Eligibility criteria

• Minimum Average Annual Turnover: ₹250 Lakh (~₹2.5 Crore) for last 3 years
• 3 years of past experience required for similar/same services (to Central/State Govt/PSU)
• Proof of 3 successfully completed similar services: either 1 service worth ≥80% of estimated cost, OR 2 services worth ≥50% each, OR 3 services worth ≥40% each
• Bidder not under liquidation, receivership, or bankruptcy proceedings
• MSE Relaxation available (complete exemption from experience and turnover criteria with supporting documents)
• Startup (DPIIT registered) Relaxation available (complete exemption from experience and turnover criteria with supporting documents)
• Valid Udyam Certificate if seeking MSE purchase preference

Documents to submit

• Certified Audited Balance Sheets or CA/Cost Accountant certificate showing turnover for last 3 financial years
• Relevant contract copies and invoices with self-certification for experience proof
• Alternative: Execution certificate from client with contract value or Third Party Inspection release notes
• Udyam Certificate (if MSE) with online validation through Udyam Registration portal
• DPIIT Startup registration (if claiming startup relaxation)
• EMD in form of bank guarantee or Fixed Deposit Receipt with scanned copy and proof
• Performance Security (ePBG 5% or FDR) post-award
• Signed Integrity Pact per GSI/Ministry of Mines policy
• Undertaking on financial standing and non-bankruptcy status
• Technical Specifications compliance documentation

How this tender is evaluated

Two-packet bid (technical and financial separate). Total value wise evaluation. Reverse Auction conducted amongst lowest 50% of technically qualified bidders. MSE purchase preference up to L1+15% for 100% bid quantity. Make in India preference applicable. RA eligibility: if MSE bidders quoted within 15% of non-MSE L1, they also participate in RA.