RETROFIT AND UPGRADE OF AN AJAX MOLTEN SALT BATH HEAT-TREATING TANK FURNACE AND QUENCH TANK REPLACEMENT

The Defense Logistics Agency‑Aviation (DLA‑Aviation) is conducting market research via a Sources‑Sought notice to identify firms capable of upgrading an existing Ajax molten‑salt‑bath heat‑treating furnace (Tank #10) and replacing its quench tank at the Fleet Readiness Center Southwest (FRCSW) on Naval Air Station North Island, San Diego, CA. The effort is a turnkey retrofit that includes installing a new natural‑gas heating system, new agitation and control systems, a new stainless‑steel quench tank, replacement of tank liners, electrical upgrades, and provision of technical data, training, and documentation. Respondents must submit a capability statement, cost estimate broken out by major cost categories, and indicate business size, manufacturing status, and any subcontractor plans. The deadline for responses is 6 Oct 2026. • Upgrade existing Ajax‑Hultgren salt‑bath furnace to 850‑990 °F (±5 °F) with capability up to 1,100 °F. • Install new NG burners (≈1.5 MM BTU total), new PLC, controls, and safety interlocks per NFPA 86/79. • Replace tank liner and install new refractory insulation, new agitation system (4 impellers). • Provide new stainless‑steel water quench tank (66” × 153” × 112”). • Supply and install new heat‑treating salt solution (50% NaNO₃ / 50% KNO₃). • Deliver full technical data package, training, manuals, and as‑built drawings. • Provide cost estimate for machine, training, tech data, installation, foundation, removal, shipping, etc.