09 6973GH-21-Q-00046-0001_QA.pdf
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- Solicitation number
- 6973GH-21-Q-00046
About this file
This document contains questions and answers regarding a solicitation for the design of an RF Transfer Switch. The Federal Aviation Administration (FAA) is seeking the design and production of a form fit functional replacement for an ARSR4 RF Transfer Switch. Key requirements include the contractor furnishing all labor, facilities, parts, supplies, materials, equipment, and technical expertise necessary to accomplish the redesign. The contractor must also provide repair instructions and manuals for the RF Transfer Switch, with the ability to troubleshoot and repair at the subassembly level. While the FAA prefers repairs at the subassembly level, spare parts will be procured separately. Mechanical vibration stress testing is required on all units. The solicitation number is 6973GH-21-Q-00046 and is seeking a minimum of two first article units and fourteen production units.
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QUESTION AND ANSWERS DATED 4/27/2021
1. Sections 3.4.2.2 and 3.4.2.2.1 of the Statement of Work for the design of a Form Fit Functional Replacement ARSR4 RF Transfer Switch address the requirement for Repair Instructions to be supplied. These sections are reproduced below …
3.4.2.2 Repair Instructions: The Contractor shall provide a repair instruction manual containing the disassembly, testing, repair, and reassembly instructions for the RF Transfer Switch. These instructions shall list all of the tools, equipment, and materials needed to disassemble the unit, test each subassembly, repair or replace each subassembly, tune each subassembly, tune the overall assembly, and test the overall assembly. A Test Data Sheet (TDS) that has space to record every Factory Acceptance Test (FAT) measurement shall be included in the repair manual. Included in the repair instruction manual shall be a list of manufacturers and part numbers for each replaceable subassembly.
3.4.2.2.1 Repair Instruction Approval: The Contractor shall submit the repair instruction manual to the FAA for approval. If there are any changes needed to the manual, the changes shall be submitted to the FAA for approval.
1. Will the FAA consider designating the RF Transfer Switch assembly as a Line Replaceable
Unit? i.e. Repairs to be carried out by the Contractor at the Contractors facility and returned to the FAA within a defined turnaround time.
a. FAA Response: The FAA prefers to leave at the subassembly level to acquire the proper documentation to allow troubleshooting down to the subassembly level at the FAA.
2. If it is essential for repairs to be carried out to subassembly level, will the FAA procure spare subassemblies under this Statement of Work or a separate contract?
a. FAA Response: The FAA will procure the subassembly/piece parts on a separate contract.
2. Can you have someone verify for me that Para. 3.1.1.2 mechanical stress is to be performed 100% on all units. It was originally to be done on First Articles only I thought. This is a costly test that is why I would like to verify it is on all units.
a. Yes mechanical vibration stress testing is to be performed 100% on all units
3. Drawing that is called out on page 18 of the SOW. The document we require is called out on note 1 – PDS24422. Could you please provide that for us or direct us to someone who can help.
a. PDS2422 is the Westinghouse part number for the RF Transfer Switch. In this SOW we reverse engineered all of the requirements for the RF Transfer Switch into the SOW document. We are confident all of the electrical and mechanical requirements have been captured in the SOW. Follow the requirements in the SOW.
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