AH-64 Maintenance and Overhaul of Nitrogen Inerting Unit (NIU)

Amendment / Modification

This amendment (0006) to Solicitation W58RGZ-25-B-0034 serves to extend the bid submission and bid opening dates.

• Bid submission date extended from March 31, 2026, to April 30, 2026.

• Bid opening date extended from April 1, 2026, to May 4, 2026, at 10:30 AM Central Standard Time (CST).

• The deadline for submitting bids has been extended to April 30, 2026.

• The bid opening will now occur on May 4, 2026.

Amendment / Modification

This amendment (0007) to Solicitation W58RGZ-25-B-0034 serves to extend the bid submission and bid opening dates.

• Bid submission deadline extended.

• Bid opening date extended.

• The bid submission deadline has been extended from April 30, 2026, to June 1, 2026.

• The bid opening date has been extended from May 4, 2026, to June 2, 2026, at 10:30 AM Central Standard Time (CST).

Amendment / Modification

This amendment (0005) to Solicitation W58RGZ-25-B-0034 primarily serves to extend the bid submission and bid opening dates.

• Bid Submission Date: Extended from February 09, 2026, to March 31, 2026.

• Bid Opening Date: Extended from February 10, 2026, to April 01, 2026, at 10:30 AM Central Daylight Time (CDT).

• The deadline for submitting offers has been extended.

• The date and time for the bid opening have been rescheduled.

Amendment / Modification

• The purpose of this amendment (0004) to Solicitation W58RGZ-25-B-0034 is to extend the bid submission and bid opening dates.

• Bid submission deadline is extended from December 31, 2025, to February 09, 2026.

• Bid opening date is extended from January 05, 2026, to February 10, 2026, at 10:00 AM Central Standard Time (CST).

• Section A, Supplemental Information (Narrative A0000, A0005)

• Section L, Instructions, Conditions, and Notices to Offerors (specifically L-24. Bid Submission)

• The deadline for submitting bids has been extended to February 09, 2026.

• The bid opening date has been moved to February 10, 2026.

Amendment / Modification

• This amendment extends the bid submission and bid opening dates for Solicitation W58RGZ-25-B-0034.

• Bid submission deadline is extended from December 09, 2025, to December 31, 2025.

• Bid opening date is extended from December 10, 2025, to January 05, 2026, at 10:00 AM Central Standard Time (CST).

• Section A, Supplemental Information, specifically regarding bid submission and opening dates.

• Section L, Instructions, Conditions, and Notices to Offerors, specifically L-24. Bid Submission.

• The deadline for submitting bids has been extended to December 31, 2025.

• The bid opening will now occur on January 05, 2026, at 10:00 AM CST.

Amendment / Modification

• The purpose of Amendment 0002 is to extend the bid submission and bid opening dates.

• Bid submission deadline extended from December 1, 2025, to December 9, 2025.

• Bid opening date extended from December 2, 2025, to December 10, 2025, at 01:30 PM Central Standard Time (CST).

• Section A, Supplemental Information, specifically A-1, A-2, and A-3.

• Section L, Bid Submission, specifically L-24.b (Bid Opening) and L-24.a (Bid Submission Requirements) regarding dates.

• The proposal submission deadline has been extended to December 9, 2025.

• The bid opening date has been extended to December 10, 2025.

Amendment / Modification

• Extends the bid submission and bid opening dates for Solicitation W58RGZ-25-B-0034.

• Bid submission deadline extended from October 14, 2025, to December 1, 2025, at 3:00 PM Central Standard Time (CST).

• Bid opening date extended from October 15, 2025, to December 2, 2025, at 10:00 AM CST.

• Item 9A: Amendment of Solicitation Number W58RGZ-25-B-0034

• Item 9B: Dated 2025SEP11

• Item 11: "THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS" section, specifically regarding the extension of the bid receipt date.

• Section L-24.a: Bid Submission Requirements, specifically the bid opening date.

• Section L-24.b: Bid Opening details.

• The deadline for submitting bids has been extended to December 1, 2025.

• The bid opening date has been moved to December 2, 2025.

• Offerors must acknowledge receipt of this amendment. Failure to do so may result in offer rejection.

Form / Attachment / Pricing Sheet

This document is an Excel spreadsheet containing a pricing template for the AH-64 Nitrogen Inerting Unit (NIU). It is intended for bidders to provide proposed prices for various CLINs (Contract Line Item Numbers) related to the NIU.

• CLINs: Includes CLINs for PVA, NIU (US and FMS), SCRAP, and CONTAINERS.
• Proposed Prices: Fields for bidders to enter unit prices for different ordering periods.
• Quantities for Evaluation: Specifies quantities to be used for evaluation purposes.
• Total Proposed Price for Evaluation: A field to calculate the total proposed price based on unit prices and evaluation quantities.
• CDRL: A line item for Contracts Data Requirements List (CDRL) with a 'NSP' (Not Separately Priced) designation.

Bidders must use this template to submit their pricing for the AH-64 NIU opportunity. The quantities provided for evaluation purposes indicate how the government will assess the proposed costs. Accurate completion of this pricing sheet is crucial for proposal submission and evaluation.

Solicitation / RFP / RFQ

This solicitation (W58RGZ-25-B-0034) is for the Maintenance and Overhaul (M&O) of the Nitrogen Inerting Unit (NIU) for the Apache Attack Helicopter (AH-64). The government is procuring these services to ensure the continued airworthiness of the NIU.

• Disassembly, inspection, and overhaul of the NIU.

• Return the component to a serviceable condition.

• Product Verification Audit (PVA) is required prior to commencement of repair.

• Overhaul/repair services include mandatory and non-mandatory parts, labor, preservation, packaging, packing, marking, and data items.

• Beyond Economical Repair (BER) services for units that cannot be repaired.

• Contractor-furnished containers may be required.

• Contract Type: Firm Fixed Price (FFP) Indefinite Delivery Indefinite Quantity (IDIQ).

• Period of Performance: Two (2) year contract with two ordering periods.

  • Ordering Period 1: Date of Contract Award to 365 Days After Contract Award (DACA).
  • Ordering Period 2: 366 DACA to 730 DACA.

• Minimum Quantity: 130 units.

• Maximum Quantity: 312 units (includes 52 reserved for Foreign Military Sales).

• Estimated Value: Not explicitly stated, but the contract is for M&O services.

• Proposal Due Date: Tuesday, 14 October 2025, at 3:00 PM Central Daylight Time (CDT).

• Proposals must be valid for 180 days.

• Submission: Electronically to the designated points of contact.

• Basis of Award: Responsible bidder with the lowest total bid price.

• Evaluation: Total evaluated price will be computed by summing the total CLIN value for PVA (3 assets) and the minimum/estimated quantities for CLINS 0002AA through 0005AA.

• Price Reasonableness: Will be evaluated.

• Unbalanced Pricing: Will be evaluated.

• This action is a limited competition procurement, restricted to the following contractors:

  • Mission Systems Davenport, Inc. (MSD)
  • The Boeing Company (Boeing)

• Technical data including a Depot Maintenance Work Requirement (DMWR) is not available to the Government.

• Government Furnished Property (GFP) will be provided, including the NIU components.

• No Government Furnished Material (GFM), other than reparable assets and reusable containers, will be provided.

• Access to FedMall is not authorized.

• Relevant Army Publications and Technical Manuals/Bulletins can be found at specified websites.

Form / Attachment / Pricing Sheet

This document is a Contract Data Requirements List (CDRL) that specifies the data items required from a contractor. It outlines the "Government Property (GP) Inventory Report" as Data Item A001.

• Data Item Number: A001
• Title: Government Property (GP) Inventory Report
• Subtitle: Physical Inventory Instructions
• Authority: DI-MGMT-80441D
• Contract Reference: SOW, PARA 15b
• Requiring Office: AMCOM Logistics Center
• Frequency: See Block 16
• Submission: Initial inventory due no later than 365 days after receipt of Government-furnished Property for overhaul. Subsequent inventory data is due annually.
• Delivery: Data to be delivered to usarmy.redstone.amcom.mbx.alc-inventory-management@army.mil.

This CDRL details a specific reporting requirement for government property inventory. Bidders need to understand the frequency, content, and delivery method for this report to ensure compliance if awarded the contract. It indicates a requirement for tracking and reporting on government-furnished property.

Form / Attachment / Pricing Sheet

This document is a Contract Data Requirements List (CDRL) detailing a specific data item (A002) required for the "Nitrogen Inerting Unit NSN 1560-01-587" system. It specifies the "Report of Shipping (Item) and Packaging Discrepancy" as a required deliverable.

• Data Item Number: A002
• Title: Report of Shipping (Item) and Packaging Discrepancy
• Subtitle: Supply Discrepancy Report
• Authority: DI-MGMT-80503
• Contract Reference: SOW Para 6
• Frequency: See Block 16
• Submission: The report is required for wrong components received, improperly packaged items, or packaging discrepancies that may have caused deterioration. Specific instructions are provided for submitting a Shipping Supply Discrepancy Report (SDR) or a packaging SDR, or a dual SDR.
• Hidden Discrepancies: For hidden discrepancies discovered during repair/overhaul, the SDR must be submitted within ten (10) days of discovery.
• Deterioration: If packaging discrepancy caused deterioration, an estimated cost to repackage should be included.
• Excess Containers: Report excess reusable containers made available through scrap out of items.
• Distribution: Addressed to AMCOM Logistics Center (ALC).

This CDRL informs bidders about a specific reporting requirement related to shipping and packaging discrepancies for the "Nitrogen Inerting Unit." Bidders need to understand these reporting obligations and ensure their processes can meet these requirements if awarded the contract. The document outlines the types of discrepancies that necessitate a report and the timelines for submission.

Form / Attachment / Pricing Sheet

This document is a Contract Data Requirements List (CDRL) that specifies data items to be delivered by the contractor under a contract. It outlines the technical report requirements for the "M&O Process Plan" related to the "Nitrogen Inerting Unit NIIN 01-587-1028."

• Data Item Number: A003
• Title: Technical Report - Study/Services
• Subtitle: M&O Process Plan
• Authority: DI-MISC-80508B, referencing SOW Para. 19.
• Frequency: One-time submission (ONE/R).
• First Submission: Due 30 days after contract award.
• Subsequent Submissions: Not applicable (N/A).
• Government Approval: Within 90 calendar days of receipt; resubmission within 30 days if disapproved.
• Distribution: Authorized for U.S. Government agencies; other requests must be referred to DEVCOM AVMC SRD.
• Format: Electronic submission in Adobe Acrobat .pdf or Government-approved compatible format via email or DoD SAFE file exchange.

This CDRL details a specific deliverable required under the contract: an "M&O Process Plan." Bidders need to understand the requirements for preparing, submitting, and obtaining approval for this technical report, including its format, submission deadlines, and distribution limitations. It also highlights that changes affecting Critical Safety Items require submission within 10 calendar days for review and approval.

Form / Attachment / Pricing Sheet

This document is a Contract Data Requirements List (CDRL) detailing the requirements for "Logistics Product Data" (Data Item No. A004) related to the "Nitrogen Inerting Unit NSN 1560-01-587". It specifies the contractor's obligations for providing this data.

• Data Item Number: A004
• Title: Logistics Product Data
• Subtitle: The Army Maintenance Management System - Aviation (TAMMS-A)
• Contract Reference: SOW PARA 11
• Submission Method: Primarily via the TAMMS-A/MCDS web portal (https://tamms-a.redstone.army.mil). If unavailable or no account, contact the requiring office via email.
• Reporting: Within two business days after Government QA acceptance, submit PIEE/WAWF receiving reports listing Serial Numbers (SN) shipped. Final reports for Delivery Orders (DO) and contract closeout are also required via PIEE/WAWF.
• Data Verification: The Requiring Office will verify TAMMS-A data within 5 working days of receipt. Contractors must correct errors and resubmit within 10 working days of receiving comments.
• Data Integrity: Shipments with missing or incorrect TAMMS-A data forms are not permitted.

This CDRL outlines the specific data submission requirements for "Logistics Product Data" that the contractor must adhere to. Bidders should note the detailed procedures for data submission, verification, and correction, including the use of the TAMMS-A/MCDS web portal and PIEE/WAWF. Understanding these requirements is crucial for proposal preparation and contract performance, as failure to comply can impact shipments and contract closeout.

Form / Attachment / Pricing Sheet

This document is a Packaging Specification Data Sheet that provides detailed requirements for the packaging of a specific item identified by National Stock Number (NSN) 1560015871028, Item Name: NITROGEN INTERTING U.

• Item Identification: NSN, Item Name, Quantity Unit Pack (QUP), Intermediate Container Quantity (ICQ).
• Unpackaged Item Data: Weight, Length, Width, and Depth of the item itself.
• Packaging Category Code Details: Specifies packaging category, physical/chemical characteristics, weight/size/fragility, and preservative category.
• Preservation-Packing Data: Details on preservation method, cleaning, preservative material, wrapping material, cushioning, and dunnage.
• Container Information: Unit Container Code, Intermediate Container Code, Unit Container Level, Special Marking Code, Level A Packing Code, Level B Packing Code, and Minimal Packing Code.
• Unit Pack Data: Weight, Length, Width, Depth, and Cube of the unit pack.
• Supplemental Instructions: Specific instructions, packaging reference, container NSN, and data source code.

This document is crucial for bidders to understand the exact packaging, preservation, and marking requirements for the item. Adherence to these specifications is mandatory for compliance and successful delivery. It impacts the cost and logistics planning for fulfilling the contract.

Form / Attachment / Pricing Sheet

This document, "Contractor Overhaul TAV-C Requirements and TAV-C Portal End User SOP," outlines the requirements for contractors to use the Total Asset Visibility – Contractor (TAV-C) capability within the Logistics Management Program (LMP). It details the processes and procedures for accessing and utilizing the TAV-C Portal for managing Government Furnished Equipment, Materiel, or Property (GFE/M/P) during maintenance, overhaul, or upgrade contracts.

• Access Methods: Contractors can use either a Defense Logistics Management Standards (DLMS) interface or the Army TAV-C Portal.
• Portal Access Requirements: This includes providing a contractor-owned computer system with internet connectivity, obtaining a U.S. Government Common Access Card (CAC) or an approved Multi-Factor Authentication (MFA) certificate, and completing mandatory online training.
• Data Exchange: Requirements for providing inventory management transactions via DLMS (e.g., DLMS 527R for Material Receipt Acknowledgement) or through the TAV-C Portal.
• Performance Requirements: Contractors must physically confirm received material (MRA) for National Item Identification Number (NIIN) and Quantity before recording it in LMP.
• End User SOP: A detailed Standard Operating Procedure (SOP) for end users accessing the TAV-C Portal, covering account creation, authentication, training, and problem resolution.

This document is crucial for bidders to understand the mandatory system requirements for tracking and managing government property under TAV-C contracts. It outlines the necessary steps for system access, security protocols, and data reporting, which will impact operational planning and compliance for any awarded contract involving TAV-C capabilities.

Form / Attachment / Pricing Sheet

This document, the "ARMY IT USER ACCESS AGREEMENT," outlines the terms and conditions for users accessing U.S. Government (USG) information systems (IS) within the Army. It details user responsibilities, consent requirements, and acceptable use policies for IT resources.

• Acknowledgement and Consent: Users must acknowledge and consent to routine monitoring, interception, and potential seizure of data on government systems. It clarifies that these systems are for authorized use only and not for personal privacy.
• Information System Access: Defines acceptable use for internet access, email, and other IT resources, prohibiting illegal, inappropriate, or offensive activities. It also covers the use of classified systems (SIPRNet) and unclassified systems (NIPRNet).
• Security Rules and Requirements: Mandates compliance with security protocols, including mandatory cyber awareness training, use of authorized hardware/software, and safeguarding classified information.
• Revocability: States that access is a privilege and can be suspended or terminated for violations.
• Acknowledgement of Violations: Users must acknowledge that violations can lead to administrative or judicial sanctions, revocation of access, or impact security clearance decisions.

This agreement is crucial for any contractor or individual who will be granted access to Army IT systems as part of performing work under an Army contract. Bidders must understand and agree to these terms to be eligible for access and to ensure compliance throughout the contract performance period. It highlights the strict security protocols and monitoring in place for Army IT resources.

Forms / Attachments / Pricing Sheets

This document, titled "DOCUMENT SUMMARY LIST," provides a consolidated list of various documents, standards, and data items relevant to the "NITROGEN INERTING UNIT (NIU)" (Part Number: 3261029-0301, NSN: 1560-01-587-1028). It serves as a reference for associated documentation required for the opportunity.

• Item Number: Sequential identifier for each listed document.
• Document ID: Unique identifier for each document or standard.
• Title: Descriptive title of the document or standard.
• Date: The date associated with the document or standard.
• Category: Classification, consistently listed as "CAT 1" for all items.

This list highlights critical documents and standards that bidders may need to reference or comply with. It includes items related to:

• Government Property Inventory
• Shipping and Packaging
• Technical Reports
• Logistics Product Data
• Airworthiness
• Painting and Marking
• Maintenance Management Systems
• Product Quality Deficiencies
• Item Unique Identification
• Military Packaging
• Electrostatic Discharge Control Programs

Bidders should review these listed documents to ensure full understanding of all requirements and specifications pertinent to the opportunity.

Form / Attachment / Pricing Sheet

This document is an attachment providing details on Government Furnished Property (GFP) for the opportunity. It includes information related to a contract award.

• Attachment Number: 5
• Attachment Date: 2025-02-03
• Government Contracting Officer: Jessica T. Mangum (jessica.t.mangum.civ@army.mil), Phone: 256-842-9288
• Document Description: Contract Award
• Contract Number Type: DoD Contract (FAR)
• Solicitation, Contract or Uniform PIID Number: W58RGZ-25-B-0034
• Serially Managed Items: No specific serially managed items are detailed in the provided text.
• Non-Serially Managed Items: Includes one item: NITROGEN INERTING UNIT, BH067, NSN 1560015871028, Quantity: 130.0 Each, Use As-Is: true. Notes indicate these are unserviceable assets.

This attachment is crucial for bidders to understand the Government Furnished Property associated with the opportunity. It specifies the contact information for the Contracting Officer and provides the PIID for the contract. The details on non-serially managed items, specifically the Nitrogen Inerting Unit, indicate that bidders may need to account for or manage unserviceable assets as part of their response or contract performance.

Statement of Work (SOW)

This Statement of Work (SOW) outlines the requirements for preparing TAMMS-A forms and records related to the issuance, approval, and final disposition reporting for items requiring TAMMS-A reporting, including contract performance for repair, modification, upgrade, overhaul, remanufacture, or scrapping of TAMMS-A reportable items.

• Preparation and reporting of TAMMS-A forms and records in accordance with DA Pamphlet (PAM) 738-751.
• Handling of contract performance for repair, modification, upgrade, overhaul, remanufacture, or scrapping of TAMMS-A reportable items.
• Use of publications, blank forms, tags, and labels as required for TAMMS-A contract requirements.
• Contractor shall not change or modify serial numbers without prior approval from the AMCOM TAMMS-A Customer Support Office.

Not explicitly stated in the provided text, but implies ongoing contract performance.

• Contractor must initiate and complete all required TAMMS-A forms, records, tags, and labels IAW DA PAM 738-751.
• Use of the TAMMS-A/MCDS web portal (https://tamms-a.redstone.army.mil) for completing DA Form 2410 actions is encouraged, but does not eliminate the requirement to ship a copy with the packaged component.
• Contact AMCOM TAMMS-A Customer Support Office for assistance or training if the web portal is unavailable or an account is not held.
• Specific forms mentioned include DA Forms 2410, 2408-16, and 2408-16-1, as well as DD Form 1574 and DD Form 1574-1.
• Wide Area Work Flow (WAWF) Reparable Receiving Report (RRR) is required for shipments.
• Contract closeout requires a final receiving report in WAWF.
• Discrepancies identified by the TAMMS-A Customer Support Office must be corrected within 10 working days.