1, 000-Gal Stainless Steel Vacuum Tanks

North Carolina State University's Mechanical & Aerospace Engineering division is requesting quotations for two 1,000-gallon stainless steel vacuum tanks for a laboratory Mach-7 Reflected Shock Tunnel, with quotations due September 30, 2026 at 5:00 p.m. EST and vendor questions due September 22 at 12:00 p.m. EST. A price-matching preference under Executive Order #50 applies to qualified North Carolina resident bidders whose price is within five percent or $10,000 of the lowest nonresident bid.

Tanks must be constructed from 304 or 316 stainless steel, rated for −14 to +15 psi operation, vertically oriented with leg support providing 12–18 inches of ground clearance. Required ports and flanges include at least two 1-inch NPT ports, a bottom drain port, two 10-inch raised face slip-on flanges located 48 inches from ground at 90-degree angles, and one 4-inch raised face slip-on flange at 30 inches from ground. All manufactured items must comply with ASME pressure vessel requirements and OSHA standards. Drawing approval from the principal investigator prior to fabrication is mandatory.

Pricing must include freight, delivery, and special handling charges. Payment terms are Net 30 days after receipt of correct invoice or acceptance of goods. North Carolina State University is exempt from sales and use taxes. Quotations must include manufacturer data sheets, cut sheets, brochures, or other descriptive literature and will be rejected if documentation is not provided. Delivery is required to 3210 Ligon Street, Raleigh, North Carolina 27607. Quotations must be submitted as PDFs through the Bonfire Public Portal at https://ncsu.bonfirehub.com/opportunities/254058. The University reserves the right to reject any and all bids, make partial or multiple awards, and reserves inspection rights at the bidder's site.