ASME Certified High-Pressure Storage Vessels for NASA John C. Stennis Space Center

Statement of Work (SOW)

Procurement of American Society of Mechanical Engineers (ASME) certified pressure vessels suitable for hydrogen, methane, and nitrogen storage for NASA Stennis Space Center.

• Two (2) ASME certified pressure vessels, each with a total volume of roughly 625 cubic feet, for a combined total of approximately 1250 cubic feet.

• Vessels must comply with ASME Boiler Pressure Vessel Code Section VIII, Division 1, 2, or 3.

• Vessels shall be coated/painted with high-quality workmanship.

• Vessel Specifications:

  • Volume: ~625 cubic feet each
  • Quantity: 2
  • Material: SA372 Grade J or equivalent
  • Design pressure: 15,000 PSIG

• Assembly Pack Configuration Option:

  • Four (4) tubes arranged vertically in an I-beam or equivalent support structure.
  • 1-inch medium pressure end connections.
  • Integrated lifting and handling points.
  • Suitable for safe transport, installation, and operation.

• Single Bottle Option: Vendors may also provide pricing, lead time, and specifications for a single 15,000 PSIG ASME certified pressure vessel tube (Section 3.1 characteristics) with a 6-inch R-Con connection.

• Cleaned to minimum Level 400A per RPTSTD-8070-0001.

• Corrosion resistant coating/painting required.

• Surface preparation for long-term outdoor corrosion protection in Gulf Coast environment.

• Delivery to Bldg. 4010, NASA Stennis Space Center (SSC), MS 39529.

• Vendors must specify expected delivery schedule and transportation method.

• ASME code stamp and certification for each vessel.

• Full material and manufacturing traceability.

• Hydrostatic and non-destructive examination (NDE) test reports.

• Option for NASA or delegated source inspection during fabrication.

• Submittal drawings for approval by NASA Engineering prior to construction.

• Technical datasheets demonstrating compliance.

• ASME certification documentation.

• Schedule: Delivery NLT 42 weeks after contract award.

• Warranty: 12 Months after date of delivery.

Solicitation / RFP / RFQ

This is a combined synopsis/solicitation for commercial products and services, specifically the supply of two (2) American Society of Mechanical Engineers (ASME) Pressure Vessels. The procurement is being conducted using simplified procedures.

• Supply two (2) ASME Pressure Vessels.

• Vessels must be in accordance with the attached Statement of Work (SOW) for detailed technical requirements.

• The firm-fixed price must be all-inclusive of unit cost, materials, and transportation/shipping charges.

• Delivery is FOB Destination.

• Contract Type: Firm-fixed price.

• Period of Performance: Delivery Date is 30 April 2027.

• Place of Performance/Delivery: NASA – John C. Stennis Space Center, MS 39529.

• Quotations are requested.

• The solicitation type is Request for Quote (RFQ).

• Closing Date/Time: 29 June 2026 by 2:00 PM CST.

• Evaluation will be based on price and other factors, as detailed in Attachment 03 – Addendum to FAR 52.212-2.

• This acquisition is a 100% total small business set-aside.

• NAICS Code: 332420.

• Size Standard: 750 Employees.

• The document incorporates various FAR and NASA FAR Supplement provisions and clauses by reference.

• Key attachments include: Statement of Work, Addenda to FAR 52.212-1 and FAR 52.212-2, FAR 52.225-2, and a Cleaning Standard.

• Point of Contact: Caitlin Angstadt (Caitlin.e.angstadt@nasa.gov).

Form / Attachment / Pricing Sheet

This document, "RPTSTD-8070-0001 Surface Cleanliness Standard of Fluid Systems for Rocket Engine Test Facilities," establishes the cleanliness levels and contamination control requirements for surfaces that come into contact with any fluid medium within NASA's rocket propulsion test program. It details procedures for processing, handling, protection, and testing of critical surfaces.

• Scope: Defines the purpose and applicability of the standard to ground-based rocket propulsion test facilities.
• Applicability: Outlines which systems and components the standard applies to, including requirements for meeting or exceeding program specifications.
• Responsibilities: Assigns roles for NASA and contractor personnel in implementing and ensuring compliance with the standard.
• Cleanliness Levels: Classifies cleanliness into "Generally Clean (GC)," "Visibly Clean (VC)," and various "Precision Cleanliness Levels" (e.g., UV, Level 1000, Level 400A).
• Cleaning Methods: Details procedures for rough cleaning, mechanical cleaning, chemical cleaning, and precision cleaning.
• Verification Methods: Outlines quantitative and visual methods for certifying cleanliness, including particle count, NVR analysis, and visual inspection.
• Protection and Packaging: Specifies requirements for preserving cleanliness through proper handling, packaging, and sealing of cleaned items.
• Appendices: Provide detailed information on solvent requirements, test methods, and drying times.

This document is critical for any bidder whose work involves components or systems that come into contact with fluids within NASA's rocket propulsion test facilities. It defines the stringent cleanliness standards that must be met, impacting material selection, manufacturing processes, cleaning procedures, quality assurance, and final packaging of hardware. Understanding and adhering to these requirements will be essential for successful contract performance.

Form / Attachment / Pricing Sheet

This document is the "Buy American Certificate" provision (FAR 52.225-2, Oct 2022). It requires offerors to certify the domestic content of end products proposed for this solicitation. This provision is used to ensure compliance with the Buy American Act.

• Offeror Certification: Offerors must certify that each end product is a domestic end product, unless listed as a foreign end product.
• Foreign End Products: Offerors must list any foreign end products, their country of origin, and whether they exceed 55% domestic content (unless they are COTS items).
• Domestic End Products with Critical Components: Offerors must separately list domestic end products that contain a critical component.
• Definitions: Key terms such as "domestic end product," "foreign end product," and "critical component" are defined within the solicitation's "Buy American-Supplies" clause.

Bidders must complete and submit this certificate as part of their proposal. Failure to properly certify the domestic content of offered products may impact the evaluation of their offer and compliance with the Buy American Act. The Government will evaluate offers based on the policies and procedures in FAR Part 25.

Amendment / Modification

This addendum amends FAR 52.212-2 regarding the evaluation of offers for commercial products and commercial services. The key changes are:

• Basis for Award: Clarifies that the Government will award a Firm-Fixed-Price (FFP) Purchase Order based on the Lowest Price Technically Acceptable (LPTA) method.
• Evaluation Process: Outlines a sequential evaluation process starting with the lowest-priced quote, moving to the next lowest if the initial quote is found technically unacceptable. The process concludes when a technically acceptable quote is identified.
• Technical Acceptability: Quotes will be rated as Acceptable or Unacceptable. An "Acceptable" rating requires the proposed item to meet all requirements of the solicitation and Statement of Work (SOW).
• Past Performance: Notes that past performance will be reviewed for responsibility purposes, but an offeror without a record of past performance will not be treated unfavorably.
• Price Evaluation: Price will be evaluated for reasonableness per RFO FAR 15.403-1(a)(1).
• Award Intent: The Government intends to make an award based on initial quotes without discussions, encouraging competitive pricing in the initial submission.

This addendum directly impacts the "EVALUATION—COMMERCIAL PRODUCTS AND COMMERCIAL SERVICES" section of the original solicitation.

Bidders are strongly encouraged to submit their most competitive pricing with their initial submission, as discussions are not anticipated. The evaluation criteria and process have been clarified, emphasizing LPTA and technical acceptability.

Amendment / Modification

This document is an addendum to FAR 52.212-1, providing instructions to offerors for commercial products and commercial services. It amends the original solicitation by clarifying submission logistics, quote format, contractor identification, and pricing.

• Questions Deadline: Extended to June 15, 2026, 2:00 PM CST. Questions submitted after this date will not be addressed.
• Quote Submission Deadline: Extended to June 29, 2026, 2:00 PM CST. Quotes must be submitted via email.
• Offer Validity: Quoters must hold prices firm for 30 calendar days from the receipt of offer date.
• Quote Content: Emphasizes the need for comprehensive technical specifications, drawings, and data sheets for thorough evaluation. Inadequate documentation may lead to an "Unacceptable" determination.
• Contractor Identification: Requires completion of Solicitation Number, Company Name, Address, Point of Contact (Email), Telephone Number, and SAM.gov UEI.
• Pricing Schedule: A table is provided for submitting price quotations, including Item, Description, QTY, Unit Price, and Total ($). The example shows "0001" for ASME Pressure Vessels, with a quantity of 2 and FOB Destination.
• SAM Registration: Quoters must be registered in SAM as a small business under NAICS code 332420 and have no active exclusions. Non-compliance will result in non-responsiveness.
• Buy American Compliance: Submission of a quote certifies country of origin. Foreign end products must be declared in "Attachment 05 FAR 52.225-2." If an offeror's SAM.gov profile indicates they have "elected not to complete this provision," a completed FAR 52.225-2 must be submitted. Failure to comply will result in non-responsiveness.
• Acknowledgment: Offerors must sign to agree to all terms, conditions, and provisions.

This addendum modifies sections related to submission deadlines, quote content requirements, contractor identification, SAM registration, and Buy American compliance. It also provides a specific item for the pricing schedule.

Proposal deadlines have been extended. The requirements for quote content and specific compliance certifications (SAM registration, Buy American) are clarified, and failure to meet them will result in disqualification.