Purchase of Two (2) each Ground Power System (GPU)

Specification / Attachment

This document specifies the "Salient Characteristics" for two (2) Ground Power Systems (GPU) to be purchased. It outlines the technical requirements and miscellaneous details for the equipment.

• Type: Static Frequency Converter, UFC-45M (Manufactured by Unitron) or Equal.

• Power Rating: Minimum 45KVA Solid State.

• Output: AC: 115/200V, 130 Max AMPS, 400Hz, Minimum 45KVA; DC: 28.5VDC Minimum 600A Peak Minimum 2000A.

• Input: Must be 208V to 240V.

• Physical Dimensions: Max Length 2000mm, Max Width 1000mm, Max Height 1350mm.

• Weight: Max 1000 lbs (including mobile).

• Towable Type: Push Cart or Trailer with Towbar (3 or 4 wheels).

• Cables: Minimum 10m input cable (480 VAC); Minimum 15m output cable (AC 3phase 400Hz with 6 x holes, A, B, C, N, E & F DC signal holes). Military interlock required for E&F DC signal.

• Compliance: ISO 6858, MIL-STD-704F, DFS-400.

• Aircraft Compatibility: Compatible with UH-60L's, AH-64's, HH-60's.

• Manuals: 2 each English Operating Manuals, 2 each English Maintenance and Repair Manuals.

• Warranty: Minimum one year or 3000 hours (on-site troubleshooting, parts, and labor).

• On-site Services: Includes set-up and training at Camp Zama, Kanagawa, Japan, and on-site support by a certified technician during the warranty period.

• Calibration: Auto Calibration for each phase, compensating for voltage drop.

• Monitoring: Capable of neutral voltage and leakage current monitoring.

• Overload Rating: Up to 400% for one second.

• Delivery: Within 200 Days After Receipt of Order (ARO).

• Delivery Point: USARJ, Camp Zama, Zama-shi, Kanagawa, Japan.

• Not explicitly detailed in this specification document, but implies a need to meet all listed characteristics.

• Shipping is directly to Camp Zama, Kanagawa, Japan via commercial carrier.

• Contractor must provide Customs Clearance procedures.

• All expenses for on-site training, including accommodation and travel, must be included.

Amendment / Modification

This amendment (0001) to solicitation FA520926Q0022, dated 17 April 2026, makes the following changes:

• Solicitation/Contract Form Updates:

  • Size Standard - Employees: Changed from 800 to 1250.
  • Product Service Code (PSC): Changed from 6120 to 6130.
  • North American Industry Classification System (NAICS): Changed from 335311 to 335312.

• Line Item 0001 (Ground Power System - GPU) Updates:

  • The description has been revised to clarify that shipping fees, customs clearance procedures, domestic transportation within Japan, and final delivery to Camp Zama, Kanagawa, Japan are included in this CLIN.

• Attachments:

  • "SPEC REVISED 24 Apr 26" has been added.
  • "SPEC REVISED 15 Apr 26" has been deleted.

• Solicitation/Contract Form (Size Standard, PSC, NAICS)

• Line Item 0001 Description

• Attachments (SPEC REVISED 24 Apr 26 added, SPEC REVISED 15 Apr 26 deleted)

• The effective date of the amendment is 27 April 2026.

• Offerors should ensure their proposals reflect the updated NAICS, PSC, and Size Standard. The revised description for CLIN 0001 provides further clarity on included shipping and delivery aspects.

Specification / Attachment

This document outlines the "Salient Characteristics" and "Miscellaneous" specifications for two (2) each Ground Power Systems (GPU). It details the technical requirements and features for the static frequency convertor.

• Power Rating: Minimum 45KVA Solid State.

• Input: 115/200V AC, 208V to 240V.

• Output: 28.5VDC Minimum 600A Peak, Minimum 2000A.

• Physical Dimensions: Max Length 2000mm, Max Width 1000mm, Max Height 1350mm.

• Weight: Max 1000 lbs, including mobile.

• Towable Type: Push Cart or Trailer with Towbar (3 or 4 wheels).

• Input Cable: Minimum 10m and 480 VAC.

• Output Cable: Minimum 15m and AC 3-phase 400Hz output plug with 6 holes (A, B, C, N, E & F DC signal).

• Input Plug: P/N: Hubbel HBL4200PS2W, 200 amp, 3W, 4P, or similar.

• Compliance: ISO 6858, MIL-STD-704F, DFS-400.

• Aircraft Compatibility: Compatible with UH-60L's, AH-64's, HH-60's.

• Manuals: 2 each English Operating Manual, 2 each English Maintenance and Repair Manuals.

• Delivery: Within 200 Days ARO (After Receipt of Order).

• Warranty: Minimum one year or 3000 hours, covering on-site troubleshooting, parts, and labor.

• On-site Set-up and Training: Included at Camp Zama, Kanagawa, Japan.

• On-site Troubleshooting: Provided by a certified technician during the warranty period.

• Calibration: Auto Calibration capability.

• Monitoring: Software-based, including neutral voltage and leakage current monitoring.

• Overload Rating: Up to 400% for one second.

USARJ, Camp Zama, Kanagawa, Japan.

This document specifies the technical characteristics and miscellaneous requirements for the Ground Power System (GPU). Vendors should ensure their proposed GPU meets or exceeds these specifications.

Solicitation / RFP / RFQ

This solicitation is for the purchase of two (2) Ground Power Systems (GPU) for the USARJ, Camp Zama, Japan. The government is procuring these systems to meet operational requirements.

• Two (2) Ground Power Systems (GPU).

• Systems must be equivalent in performance and specifications to the Unitron UFC-45M.

• Must be compatible with UH-69L's AH-64's and HH-60's.

• Each unit must include a minimum 15m AC 3 Phase 400Hz output cable.

• On-site setup and training at Camp Zama, Kanagawa, Japan.

• On-site support by a certified technician during the warranty period.

• Responsible for all aspects of delivery to Camp Zama, Kanagawa, Japan.

• Quoters must provide supporting documentation (manufacturer name, part number, technical description) demonstrating compliance with specifications.

• Pricing Arrangement: Firm Fixed Price.

• Delivery Schedule: Within 200 calendar days from the date of award receipt.

• Proposals must be submitted electronically via email to hiroko.takahashi.jp@us.af.mil and keiko.osawa.jp@us.af.mil.

• Accepted file formats: Microsoft WORD, Microsoft EXCEL, and/or Adobe.pdf. No zip files.

• Evaluation will be based on Price, Delivery Schedule Compliance, and whether offered items meet the required specifications.

• The government will award to the responsible quoter whose quote is most advantageous, considering price and other factors.

• A detailed delivery plan is required, including estimated shipping timeline and domestic transportation plan.

• This acquisition is UNRESTRICTED.

• The solicitation issue date is April 17, 2026.

• The offer due date is May 27, 2026, at 02:00 PM.

• Payment will be made via Wide Area WorkFlow (WAWF).

• An attachment titled "SPEC REVISED 15 Apr 26" contains the specifications.

Other / Unclassified

This document is a Memorandum for Prospective Proposers from the Department of the Air Force, 374th Airlift Wing, 374 CONS/CC. It outlines policies and procedures for doing business with the U.S. Government.

This document informs potential bidders about key principles governing U.S. Government procurement, including:

• Competition: Purchases are made through soliciting quotations from qualified sources to ensure full and free competition.
• Collusion: Collusion between vendors that restricts competition or restrains free trade is a direct violation of U.S. government purchasing policies and will result in proposal rejection and prohibition from future solicitations.
• Conduct: U.S. government personnel involved in purchasing must conduct business dealings with industry in an irreproachable manner.
• Gratuities Clause: All contracts include a "gratuities" clause, making it illegal to offer or give entertainment, gifts, or other items to U.S. government officers or employees with the goal of securing a contract or favorable treatment. Bidders are urged to report any irregularities encountered.

This information is relevant for bidders to understand ethical and procedural requirements when engaging with the U.S. Air Force for contracting opportunities.