Questions_and_Answers_2.pdf

Questions and Answers

Question 1: The bearing reaction requirement in item 310 is duplicated from item 309. Is this correct?

Answer 1: Item 310 deals with the thrust bearing and Item 309 has nothing to do with that.

There is not any duplication.

Question 2: On option items 507 & 508: Vertical surfaces only? Can water-blasting be used vice abrasive blasting? For estimating purposes, can square footages be provided for each item?

Answer 2: All vertical surfaces only and water blasting can be used in lieu of sandblasting on option items 507 & 508:

We do not have the square footage for this work.

Question 3: Items 315 and 504 have some duplication of tank cleaning. Please advise.

Answer 3: Items 315 and 504 do have the same tanks required to be gas freed. Only provide a price for doing the gas freeing of the tanks once.

Question 4: Item 506: For estimating purposes, can a total length / size be provided for the new insulation with a quantity of pads and 90 degree elbows involved. We will attempt to use ref HB-259-001 for estimating purposes unless NOAA can provide requested info.

Answer 4: There are currently not any insulation pads on the exhaust pipes. There are approximately eight 90 degree elbows in the system. There is approximately 400 feet of pipe total.

Question 5: My subcontractors say that Aurora Pumps will not quote replacement parts for the overhaul of the main seawater and auxiliary seawater pumps in Item 313 without being provided the existing serial numbers. Can the vessel supply the serial numbers of these four pumps?

Answer 5:

1. Bilge/Ballast/Fire: S/N 1009198-1

2. Fire: S/N 1009207

3. MSW No. 1: S/N 1008163-2

4. MSW No. 2: S/N 1008163-1

5. Aux SW No. 1: S/N 1008170-2

6. Aux SW No. 2: S/N 1008170-1