TUNGSTEN SHIELDING

Form / Attachment / Pricing Sheet

This document is a U.S. Patent titled "RADIATION SHIELD WITH MAGNETIC PROPERTIES". It details the invention, its inventors, assignees, and abstract.

• Invention: A radiation attenuation shield, method, and system.
• Components: Includes a polymer, a radiation-attenuating material, and a magnetic material.
• Structure: The magnetic material may be dispersed within the polymer or form a separate layer.
• Application: The shield can be secured to structures using its magnetic properties for radiation containment.
• Abstract: Provides a concise overview of the shield's composition and function.

This patent document may be relevant to bidders if the opportunity involves the development, manufacturing, or application of radiation shielding materials, particularly those incorporating magnetic properties. It provides technical details about a specific type of radiation shield.

Form / Attachment / Pricing Sheet

This document, "Technical Capability Statement - Enclosure (1)", requires vendors to certify that their quoted items meet the specified capabilities, features, and specifications. It must be completed and submitted with the vendor quote to be considered for award.

• Shielding Capabilities: Vendors must confirm if their shielding meets the following specifications:
  • Tungsten Impregnated Silicon Polymer
  • CDM OutSERT Shielding
  • Drawing 2370.2-7445
  • Fabrication must be in accordance with Attachment (1) and Drawing 2370.2-7445, Attachment (2).
  • A Certificate of Compliance and Certified Test Reports are required per Attachment (3).
  • A Mercury Free Clause applies.
• Certification: Vendors must certify that their item meets or exceeds all specifications and contractor responsibilities stated in the solicitation, with no exceptions.
• Action Required: Vendors must initial and date this form.

This form is critical for bidders to demonstrate their technical capability and compliance with specific shielding requirements. Failure to complete and submit this form accurately may result in disqualification. It directly impacts proposal preparation by requiring confirmation of specific technical details and documentation.

Form / Attachment / Pricing Sheet

This document is a technical drawing for the "CDM Outsert Shielding" component, specifically the "Outsert Shield." It provides detailed specifications, dimensions, and fabrication notes for the part.

• Part Description: Magnetic Tungsten impregnated rubber shielding.
• Material Specifications: Minimum density of 7 g/cc and TVL greater than or equal to 2.00", APL.
• Dimensions: Detailed views (ISO, Front, and Enlarged View A-A) with critical dimensions provided (e.g., 15.00, R4.31, R5.75).
• Fabrication Notes: Includes calculated weight (<40 lbs per piece), fitting requirements (6 pieces around a standard 8" Schedule 40 pipe with no gaps), labeling instructions (RF-7445 with weight, not yellow or magenta), quantity per position (6 PC 1's), and magnetic layer placement (interior surface minimum, optional on 30-degree side cuts).
• Tolerances: Standard decimal and fractional tolerances are specified.
• Revision History: Original issue dated 07/07/25.

This drawing is crucial for bidders to understand the exact physical specifications, material requirements, and assembly constraints of the "Outsert Shield." It directly impacts manufacturing, material sourcing, and quality control processes. Bidders must ensure their proposed solution or manufactured part conforms to all dimensions, material properties, and fabrication notes detailed in this drawing.

Form / Attachment / Pricing Sheet

This document is a Certificate of Compliance required for items furnished under a specific contract. It serves to certify that all furnished items comply with contract requirements and that inspection and test reports (if applicable) accurately represent the items' attributes and compliance.

• Requisition Number: N42158-5303-ZN01
• Contract/Order Number: N42158-Q-E-031
• Fields for Material Identification (Item No., National/Local Stock Number, Manufacturer's Part No., Manufacturer's Serial No., Drawing and Piece No., Manufacturer's Lot/Heat Nos.).
• Signature and Title of Quality Assurance Official attesting to compliance.
• Statement regarding Inspection and Test Reports.
• A checkbox indicating if the item is required (marked 'X' in the provided example).
• Instructions to complete and return the certification with shipped items to expedite receipt and payment.
• Mailing instructions for the completed certificate to Norfolk Naval Shipyard.

Bidders must complete and submit this Certificate of Compliance as part of the contract fulfillment process. It is a mandatory document to ensure and verify that the delivered goods meet all specified contract requirements. Failure to provide this certificate may delay payment and receipt of goods.

Form / Attachment / Pricing Sheet

This document details the fabrication requirements and specifications for magnetic shielding, specifically tungsten-impregnated polymer.

• Description: Magnetic shielding made from tungsten-impregnated polymer (PC 1 of DWG 2370.2-7445).
• Quantity: 65 Each.
• Materials: Tungsten shielding (approx. 95% tungsten by weight) and a magnetic layer.
• Attributes (Table 2):
  • Thickness: Per PC 1 of DWG 2370.2-7445
  • Height: Per PC 1 of DWG 2370.2-7445
  • Density: 7 G/CC Minimum
  • TVL (Tenth Value Thickness): Equal to 2.00" or better
  • Shape: Must fit flush around an 8" SCH 40 pipe with no gaps.
• Detrimental Materials Testing: Required, with specific limits for Bromides, Chlorides, Fluorides (250 PPM leachable each), Sulfur (250 PPM leachable), and Mercury (not to exceed 10 PPM). Test reports are required, and recent reports (within four years) may be acceptable if no changes in formulation or manufacturing have occurred.
• Quality Requirements: Shielding must be clean, well-finished, free from defects, appropriately palletized (max 3000 lbs per pallet), and comply with D.O.T. safety regulations.
• Documentation: Vendors must provide Certified Test Reports verifying material requirements (Table 2, Attributes 1-3), signed and dated by the Quality Assurance representative, and traceable to the purchase contract.

This document provides critical technical specifications, material requirements, testing protocols, and quality control measures that bidders must adhere to when fabricating the magnetic shielding. It directly impacts the design, material selection, testing procedures, and documentation required for a compliant proposal.

Solicitation / RFP / RFQ

This is a Request for Quotation (RFQ) for TUNGSTEN IMPREGNATED SILICON POLYMER CDM OUTSERT SHIELDING. The government is procuring 65 units of this shielding.

• The shielding shall be fabricated according to Fabrication Details (Attachment 1) and Drawing 2370.2-7445 (Attachment 2).

• A Certificate of Compliance and Certified Test Reports are required per Attachment 3.

• The product must be mercury-free.

• The contract type is anticipated to be Firm Fixed Price.

• Offerors must submit quotations via email to candis.r.patterson.civ@us.navy.mil.

• The closing date for quotations is March 19, 2026, at 10:00 AM.

• Proposals must include:

  • Technical Capability (with certifications and qualifications)
  • Price Submission
  • Delivery Time
  • Acknowledgement of any solicitation amendments

• Evaluation will be based on Technical Capability, Price, and Delivery Lead Time, in descending order of importance.

• Award will be made to the technically acceptable item(s) with the lowest aggregate price.

• Quotes must be held firm for sixty (60) days.

• This acquisition is unrestricted.

• Several attachments are referenced, including Fabrication Details, Drawings, and a BUY AMERICA Certificate of Compliance.

• Specific clauses regarding hazardous materials, packaging, inspection, acceptance, and payment instructions (including Wide Area WorkFlow - WAWF) are included.