questions and answers.pdf
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- Attached to
- Center Bore and Machining Service
- Solicitation number
- N4523A24Q1327
About this file
This document contains Questions and Answers related to a federal contract opportunity. The key details are:
The contract opportunity is for Center Bore and Machining Service to support manufacturing of a BRR-6B Drum Shaft for the USS NEBRASKA. The Puget Sound Naval Shipyard requires this support as they do not have the necessary machinery and capacity to perform the work in-house. The contract is expected to be awarded under a lowest price technically acceptable source selection process. The North American Industry Classification System (NAICS) code is 811310 - Commercial and Industrial Machinery and Equipment Repair and Maintenance, with a size standard of $12,500,000. The Performance Work Statement specifies the contractor shall provide all personnel, equipment, supplies, facilities, transportation, tools, materials, supervision, and other items and non-personal services necessary to perform the CENTER DRILLING/MACHINING. The key technical details provided in the Questions and Answers include the material composition (Nickel-Chromium-Molybdenum-Columbium alloy) and specific dimensional requirements (1.15 +/- 0.01 inches for 24.52 +/- 0.25 inches, and 0.59 +0.005 -0.030 inches).
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Questions and Answers:
Ques on 1: Is this a modifica on of an exis ng sha or a manufacture a new one?
Answer: This is a modification to an existing shaft.
Question 2: What is the material the shaft is made out of?
Answer: The material the shaft is made from is Nickel-Chromium-Molybdenum-Columbium alloy
(UNS N06625).
Ques on 3: What exactly do you want to be done? Is this just opening up the end of the sha (view F & B) or do you want a hole all the way through the middle? We will need the sizes and tolerances.
Answer: Yes we are asking machining the en re inside of the sha . There are two dimensions from view B, at 1.15 plus or minus 0.01 for 24.52 plus or minus 0.25, and the remaining at 0.59 +0.005 -0.030. All these dimensions are per Drawing 1713E1050 rev D and are in inches. Please a ached drawing for more informa on.
File details come from the government source that posted it. Updated .