Questions and Answers - Second Set 20210105.pdf

Questions and Answers (W9128F21Q0012) – Second Set

1. What will be the “declared value” for each bearing for purposes of insured inbound (1 shipment )and outbound (2 shipments) with respect to freight?

Answer: The “declared value” is the contractor’s determination since this project includes shipment to and from Ft. Peck Dam, MT.

2. Bottom of page 4) 3.2.1 General requirements looks to be cut off and missing information and the top of page 5) 3.2.3 is missed labeled (possibly incorrectly placed ? it could appear that rebabbitting of the spare bearing is required. Please advise.

Answer: Paragraph 3.2.1 transitions from page 4 to page 5 is one paragraph and not the beginning of a new paragraph. The first paragraph 3.2.1 should read as the following:

“The spare bearing shall be inspected to confirm it is still within specification and then machined to the inner diameter required in para 3.2.3 and NDT performed. The damaged bearing shall refurbishment including babbitting, refurbishment of the split flange faces and refurbishment of the OD spigot fit(s), and replacement flange hardware. General requirements that apply for all refurbishment listed below:”

3. Has the spare Bearing passed NDE, if so, will finial 3rd party NDE be required during inspection of the spare bearing?

Answer: To the best of the Government’s knowledge the spare bearing has acceptable NDT results from the previous NDT inspection results from its refurbishment in 2017. The previous

NDT results are provided for reference.

As a reminder, 3rd party NDT is required for both bearing's final inspections as identified in the specifications.

4. Please provide acceptance standards for PT related to the OD metalizing.

Answer: There is not a generally accepted PT standard for Flame Spray since the surface is semi-porous, but in general, visual inspection is performed and no cracking is allowed. If weld overlay is performed, ISO 4386-3, class C is the acceptance criteria.