1500 CFM HEPA Filters

Questions & Answers / Clarifications

This document provides responses to vendor questions regarding HEPA filters for opportunity N4523A26Q4003-0002.

• Filter Images: No additional pictures of the filters are available beyond the provided drawing, which serves as the visual representation of the required item.
• Model Number: There is no specific model number for the units these filters will be used for. The filters (referred to as N2) do not fit inside another HEPA filter housing; they are self-contained with their own housing that connects directly to the duct.

This Q&A document clarifies the nature of the HEPA filters and their integration, which may affect how bidders prepare their technical proposals or product offerings.

Solicitation / RFP / RFQ

This is a combined synopsis/solicitation for commercial items to procure HEPA filters. The government is requesting quotations for these filters.

• Item: HEPA Filter, Nuclear Grade, 1500 CFM, 24" High x 24" Wide x 20" Deep Housing.

• Specifications: Detailed specifications are provided in various Ordering Data Sheets (ODS) and drawings (e.g., DWG 2370-1944 Rev F).

• Material: CRES 300 SERIES.

• Certificate of Compliance (COC) required.

• Changes to specification or technical requirements are not allowed without Shipyard approval.

• Contract Type: Firm Fixed Price Purchase Order.

• Required Delivery Date: 17 April 2026.

• Delivery Location: Puget Sound Naval Shipyard and Intermediate Maintenance Facility, 1400 Farragut Ave, Bremerton WA 98314.

• Deadline for Quote Submission: Wednesday, January 21, 2026, 10:00 AM Pacific Time.

• Submission Method: Email quotes to Melissa Ayers (melissa.r.ayers3.civ@us.navy.mil) and Edwin Baldoria (edwin.m.baldoria.civ@us.navy.mil).

• Questions: Submit questions via email to the same addresses.

• Evaluation Criteria: Purchase orders will be made based on evaluation criteria outlined in FAR Provision 52.212-2 (Evaluation--Commercial Items (NOV 2021)). Offerors must meet all criteria to be considered technically acceptable.

• NAICS Code: 333998 (All Other Miscellaneous General Purpose Machinery Manufacturing).

• Business Size Standard: 700 Employees.

• Product Service Code: 4330 – Centrifuges, Separators, and Pressure and Vacuum Filters.

• Offerors may provide a company-formatted quote; it is optional.

• The contract price must include all applicable Federal, state, and local taxes and duties.

• Specific quantities for each line item are detailed in the document (e.g., 4 EACH for item 0001, 11 EACH for item 0002, etc.).

• Contract Data Requirement Lists (CDRLs) are included for Drawing Approval, Filter Test Report, Leak Test Report, and Certificate of Compliance.

Form / Attachment / Pricing Sheet

This document is an Ordering Data Sheet specifying requirements for a HEPA filter.

• Noun Name: HEPA FILTER
• Description: NUCLEAR GRADE, 1500 CFM, 24 INCH HIGH X 24 INCH WIDE X 20 INCH DEEP HOUSING, 12 INCH DIAMETER X 4 INCH LONG INLET AND OUTLET FLANGED NIPPLE, PER DWG 2370-1944 REV F
• Material: CRES 300 SERIES
• Manufacture/Vendor Part Number: N/A
• Quantity: 4 EACH
• Additional Notes: CERTIFICATE OF COMPLIANCE (COC) REQUIRED
• Technical Requirement Note: Changes to specification or other technical requirements are not allowed without Shipyard approval via the Administrative Contracting Officer (ACO).

This document details the specific technical specifications and quantity for a HEPA filter required for the opportunity. Bidders must ensure their proposed product meets these exact specifications, including the requirement for a Certificate of Compliance (COC). Any deviations require approval from the Administrative Contracting Officer (ACO).

Form / Attachment / Pricing Sheet

This document is an Ordering Data Sheet - General, providing specific details for a HEPA filter procurement.

• Noun Name: HEPA FILTER
• Description: NUCLEAR GRADE, 1500 CFM, 24 INCH HIGH X 24 INCH WIDE X 20 INCH DEEP HOUSING, 12 INCH DIAMETER X 4 INCH LONG INLET AND OUTLET FLANGED NIPPLE, PER DWG 2370-1944 REV F
• Material: CRES 300 SERIES
• Manufacture/Vendor Part Number: N/A
• Quantity: 4 EACH
• Additional Notes: CERTIFICATE OF COMPLIANCE (COC) REQUIRED
• Technical Requirement Note: Changes to specification or other technical requirements are not allowed without Shipyard approval via the Administrative Contracting Officer (ACO).

This document specifies the exact technical requirements and quantity for the HEPA filters needed. Bidders must ensure their proposed product meets all listed specifications, including the material, dimensions, CFM rating, and the requirement for a Certificate of Compliance (COC). Any deviation requires ACO approval. The document also references drawing 2370-1944 REV F for further technical details.

Form / Attachment / Pricing Sheet

This document is a "Vendor Information Sheet" that requires bidders to provide specific business and contact details. It is designed to be filled in and returned by potential vendors.

• Vendor Business Name: Including any "Doing Business As" (DBA) names.
• Vendor CAGE Code Number: Unique identifier for vendors.
• Vendor Unique Entity ID (UEID): Required identification number.
• Vendor Phone Number: Primary contact phone.
• Authorized Signer Name & Position: For official authorization.
• Authorized Signer Email: Contact for the authorized signer.
• Vendor POC Name & Position: Point of contact for the opportunity.
• POC Phone Number: Contact phone for the POC.
• POC E-mail Address: Contact email for the POC.
• Vendor Business Size: Bidders must indicate if they are Small or Large.
• Product Specification Confirmation: A Yes/No question to confirm if the offered product matches the attached "Ordering Data Sheets and Statement of Work." If "No," an explanation for the alternative is required.

This form is critical for bidders to complete accurately and submit as part of their response to the opportunity. It collects essential administrative, identification, and compliance information necessary for the government to process and evaluate bids. Failure to complete all required fields may impact bid eligibility or evaluation.

Form / Attachment / Pricing Sheet

This document, a Data Item Description (DID) for an Acceptance Test Report (ATR), specifies the required format, content, and intended use for the ATR data product. The ATR is intended to contain the results of qualification tests performed by the contractor to demonstrate system conformance to performance specifications, work authorization documents, or contract requirements.

• Format: Contractor's format is acceptable.
• Content: The ATR must include:
  • Test article identification and a full description of test specimens used, noting any deviations from the applicable test plan.
  • Date and location of the test or evaluation.
  • The identity of the operator who conducted the test.
  • All analysis and supporting data.
  • All data sheets.

This document defines the specific content and format requirements for an Acceptance Test Report (ATR) that may be required as a deliverable under a contract. Bidders should review this to understand the expected details and structure of the ATR if it is part of the solicitation's requirements.

Form / Attachment / Pricing Sheet

This document provides the detailed specifications for a Flanged Portable HEPA Filter, referenced as Drawing No. 2370-1944, Revision F. It outlines the technical requirements, materials, construction, testing, and packaging for these filters.

• Applicable Standard: ASME AG-1-2019 is the governing standard.
• Filter Specifications: Details on filter size, efficiency (99.97% for 0.3 µm particles), initial resistance to airflow (max 1.3" W.G. at 1500 CFM), and operating temperature/humidity.
• Materials: Specifies requirements for frame hardware, filter media (no patching), pack style, frame/nipple material (14 gage 304 stainless steel), flange material (1/4" 304 stainless steel), sealant, and faceguard.
• Construction: Requires a frame with two nipples and bolting flanges, and specifies sealant and faceguard materials.
• Testing: Outlines requirements for airflow resistance, aerosol particle penetration, and leak testing (max 0.002 CFM per cubic foot at +10" W.G.).
• Markings & Packaging: Filters must be marked with the date of manufacture and packaged/shipped according to ASME AG-1 Section FC-7000.
• Manufacturer Deliverables: Requires a filter test report, certification of compliance, and a draft drawing specifying manufacturing details for approval prior to production. Data showing temperature and pressure readings during leak testing is also required.

This document is critical for bidders to understand the precise technical specifications and quality requirements for the HEPA filters. It details the materials, performance standards, testing procedures, and documentation that must be met. Bidders must ensure their proposed filters comply with all aspects of this specification, including the ASME AG-1 standard and specific construction and testing requirements. The requirement for manufacturer drawing approval before production is a key procedural step.

Solicitation / RFP / RFQ

This is a combined synopsis/solicitation for commercial items to procure approximately 1500 CFM HEPA Filters. The North American Industry Classification System (NAICS) code is 333998, with a Business Size Standard of 700 Employees. The Product Service Code (PSC) is 4330 – Centrifuges, Separators, and Pressure and Vacuum Filters.

• The solicitation requires the supply of HEPA Filters, Nuclear Grade, 1500 CFM, 24" High x 24" Wide x 20" Deep Housing.

• Specific quantities are detailed for seven line items (0001-0007), ranging from 2 to 11 each.

• A Contract Data Requirement List (CDRL) is included for item 0008, requiring Drawing Approval, Filter Test Report, Leak Test Report, and Certificate of Compliance.

• Ordering Data Sheets (ODS) are referenced for detailed descriptions and specifications for each HEPA filter line item.

• The contract type will be Firm Fixed Price Purchase Order.

• Required Delivery Date: 17 April 2026.

• Delivery Location: Puget Sound Naval Shipyard and Intermediate Maintenance Facility, 1400 Farragut Ave, Bremerton WA 98314.

• Deadline for Quote Submission: Monday, January 5, 2026, 9:30 AM Pacific Time.

• Quotes must be submitted via email to Melissa Ayers (melissa.r.ayers3.civ@us.navy.mil) and Edwin Baldoria (edwin.m.baldoria.civ@us.navy.mil).

• All questions can be sent to the same email addresses.

• Evaluation criteria are outlined in FAR Provision 52.212-2 (Evaluation--Commercial Items).

• Offers must meet all technical acceptability criteria for award.

• The document indicates a Small Business Set-Aside (15 U.S.C. 644) under FAR clause 52.219-6.

• Post-award Small Business Program Re-representation is required under FAR clause 52.219-28.

• Partial delivery is authorized, with a minimum of four (4) each mandatory on the first shipment.

• Invoices must be submitted via Wide Area Workflow (WAWF) per DFARS Clause 252.232-7006.

• Various FAR and DFARS clauses are incorporated by reference and full text, including those related to commercial items, payment instructions, and representations and certifications.

Form / Attachment / Pricing Sheet

This document is an Ordering Data Sheet - General that specifies requirements for a HEPA filter.

• Noun Name: HEPA FILTER
• Description: NUCLEAR GRADE, 1500 CFM, 24 INCH HIGH X 24 INCH WIDE X 20 INCH DEEP HOUSING, 12 INCH DIAMETER X 4 INCH LONG INLET AND OUTLET FLANGED NIPPLE, PER DWG 2370-1944 REV F
• Material: CRES 300 SERIES
• Manufacture/Vendor Part Number: N/A
• Quantity: 4 EACH
• Additional Notes: CERTIFICATE OF COMPLIANCE (COC) REQUIRED
• Technical Requirement Note: Changes to specification or other technical requirements are not allowed without Shipyard approval via the Administrative Contracting Officer (ACO).

This document provides specific technical details and quantity requirements for a HEPA filter. Bidders must ensure their proposed product meets these specifications, including the requirement for a Certificate of Compliance. Any deviations from the specified drawing (DWG 2370-1944 REV F) require ACO approval.

Form / Attachment / Pricing Sheet

This document is an Ordering Data Sheet - General for a HEPA Filter. It specifies the technical requirements and quantity for the item.

• Noun Name: HEPA FILTER
• Description: NUCLEAR GRADE, 1500 CFM, 24 INCH HIGH X 24 INCH WIDE X 20 INCH DEEP HOUSING, 12 INCH DIAMETER X 4 INCH LONG INLET AND OUTLET FLANGED NIPPLE, DWG 2370-1944 REV F
• Material: CRES 300 SERIES
• Manufacture/Vendor Part Number: N/A
• Quantity: 11 EA
• Additional Notes: CERTIFICATE OF COMPLIANCE (COC) REQUIRED
• Important Note: Changes to specification or other technical requirements are not allowed without Shipyard approval via the Administrative Contracting Officer (ACO).

This document provides specific details about the HEPA filter required, including its technical specifications, material, and quantity. Bidders must ensure their proposed product meets all these requirements and that they can provide the required Certificate of Compliance. The note regarding changes to specifications is also critical for bidders to understand the process for any deviations.

Form / Attachment / Pricing Sheet

This document, DI-SESS-81000F, outlines the requirements for Product Engineering Design Data and Associated Lists. It provides instructions for preparing and formatting this data, which is intended to serve as an authoritative technical description of an item. This data supports competitive procurement and maintenance for interchangeable items and represents the highest level of design disclosure.

• Content: The data should reflect the end product's design maturity and provide engineering data for logistics support products.
• Format: Can be in the contractor's format.
• Specific Data: Includes details of unique processes, performance ratings, dimensional and tolerance data, diagrams, mechanical and electrical connections, physical characteristics, inspection/test/evaluation criteria, quality assurance requirements, hardware marking requirements, reliability/maintainability requirements, and vendor substantiation data.
• Item Definition: All parameters defining each unit, assembly, subassembly, part, or material must be presented.
• Identification: Must include the contractor's CAGE code and document numbers.

This Data Item Description (DID) specifies the required engineering design data and associated lists that may be required as part of a contract or purchase order. Bidders should review this document to understand the specific design data deliverables expected, which will impact proposal preparation and contract execution. The selection of specific design data types (e.g., drawings, models) will be stated in the contract or purchase order.

Form / Attachment / Pricing Sheet

This document is an Ordering Data Sheet (ODS) - General, specifying the requirements for a HEPA filter.

• Noun Name: HEPA FILTER
• Description: NUCLEAR GRADE, 1500 CFM, 24 INCH HIGH X 24 INCH WIDE X 20 INCH DEEP HOUSING, 12 INCH DIAMETER X 4 INCH LONG INLET AND OUTLET FLANGED NIPPLE, DWG 2370-1944 REV F
• Material: CRES 300 SERIES
• Manufacture/Vendor Part Number: N/A
• Quantity: 2 EACH
• Additional Notes: CERTIFICATE OF COMPLIANCE (COC) REQUIRED

This document details the specific technical specifications and quantity for a HEPA filter required for the opportunity. Bidders must ensure their proposed product meets these specifications and that a Certificate of Compliance can be provided. Changes to these specifications require approval from the Administrative Contracting Officer (ACO).

Form / Attachment / Pricing Sheet

This document is a Data Item Description (DID) for an Acceptance Test Report (ATR). It specifies the required format, content, and intended use of the ATR, which reports the results of qualification tests performed by the contractor to demonstrate system conformance to specifications, work authorization documents, or contract requirements.

• Format: Contractor's format is acceptable.
• Content: The ATR must include:
  • Test article identification and description of test specimens used, including any deviations.
  • Date and location of test or evaluation.
  • Name of the operator who conducted the test.
  • Results demonstrating satisfactory achievement of objectives.
  • All analysis and supporting data.
  • All data sheets.

This DID outlines the specific requirements for an Acceptance Test Report. Bidders should review this document to understand the expected content and format for any ATRs that may be required as part of a contract deliverable. This ensures that submitted reports will meet government specifications.

Form / Attachment / Pricing Sheet

This document is an Ordering Data Sheet (ODS) - General, providing specific details for a HEPA filter procurement.

• Noun Name: HEPA FILTER
• Description: Nuclear Grade, 1500 CFM, 24" High x 24" Wide x 20" Deep Housing, 12" Diameter x 4" Long Inlet and Outlet Flanged Nipple, per DWG 2370-1944 Rev. F.
• Material: CRES 300 SERIES
• Manufacture/Vendor Part Number: N/A
• Quantity: 6 EACH
• Additional Notes: Certificate of Compliance (COC) is required.
• Technical Requirement Note: Changes to specifications or technical requirements are not allowed without Shipyard approval via the Administrative Contracting Officer (ACO).

This document specifies the exact technical requirements and quantity for the HEPA filters. Bidders must ensure their proposed product meets all listed specifications, including material, dimensions, airflow, and the requirement for a Certificate of Compliance. It also highlights that deviations require ACO approval.

Form / Attachment / Pricing Sheet

This document is an Ordering Data Sheet - General for a HEPA Filter. It specifies the technical requirements and quantity for the item.

• Noun Name: HEPA FILTER
• Description: NUCLEAR GRADE, 1500 CFM, 24 INCH HIGH X 24 INCH WIDE X 20 INCH DEEP HOUSING, 12 INCH DIAMETER X 4 INCH LONG INLET AND OUTLET FLANGED NIPPLE, PER DWG 2370-1944 REV. F
• Material: CRES 300 SERIES
• Manufacture/Vendor Part Number: N/A
• Quantity: 6 EACH
• Additional Notes: CERTIFICATE OF COMPLIANCE (COC) REQUIRED
• Important Note: Changes to specification or other technical requirements are not allowed without Shipyard approval via the Administrative Contracting Officer (ACO).

This document provides specific details about a required HEPA filter, including its technical specifications and the quantity needed. Bidders must ensure their proposed product meets these exact requirements and that they can provide the required Certificate of Compliance. Any deviation requires ACO approval.