N3220520R4051_0007.docx

N3220520R4051

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION B - SUPPLIES OR SERVICES AND PRICES

The following have been added by full text:

AMENDMENT 7 RFCS

SPECIFICATION ITEM NO.: 917

PARAGRAPH / SECTION NO: 7.1.1

TITLE: Propeller and Rudder Stock Clearances

QUESTION: 57

According to drawings, the propeller fairwaters are bolted on. It states that “new fairwaters shall be fit at reassembly”. Please specify if new propeller fairwaters are to be installed and who is to furnish the new fairwaters.

ANSWER: Fairwaters are welded as per Para 7.2.1. Contractor is to furnish new fairwaters

SPECIFICATION ITEM NO.: 540

PARAGRAPH / SECTION NO: NA

TITLE: E1-257-1 Exhaust Plenum Repairs

QUESTION: 58

Please clarify scope of work. Spec says Replace removed section with 11 gage stainless steel. From the photos, it looks like the area to be removed is actually the plenum bulkhead. Is this the intent or is there a duct inside the plenum.

Also, please advise sizes of the 2 screens. The reference drawing is frame 393-459. The item location says frame 245-260 ------01 Level Port side--

ANSWER: It is the Duct work internal to the Plenum, Interior Plenum Bulkhead bottom section ( wasted lower area) and the screen lip external to the bulkhead duct internal to the plenum. See additional pictures for Screen size. The Location is correct. I have been unable to locate a drawing for the location. However, all of the main deck plenums are designed the same. See attached Previous work item for REFERENCE ONLY

SPECIFICATION ITEM NO.: 502

PARAGRAPH / SECTION NO: 2.1

TITLE: Firefighting System Annual Inspections

QUESTION: 59

Please provide the following references:

MSC SWI 28 Firefighting System Inspection and Testing DWG. 6360224-Circuit FH Sprinkling Alarm Circuit DWG. 8394052 Fire and Smoke Detection DWG. 8394456 Fire and Smoke Detection DWG. 8394038 Halon Damper Install

ANSWER: Please see attached. Please substitute DWG 8390433_B for DWG 8394052 and substitute DWG8390875 for DWG 839456

SPECIFICATION ITEM NO.: ________________________________

PARAGRAPH / SECTION NO: __________________________________

TITLE: __Vessel Availability for Ship Check_________________________

QUESTION: 60

Please advise if MSC is able to provide an additional ship check date.

ANSWER: The Sister Ship USNS ARCTIC is in Detyens Shipyard. USNS Supply Is deployed until the end of June. If additional ship check dates are needed please contact John.bolan@navy.mil for access to the ship. Ship checkers will need to complete Detyens Shipyard Covis-19 Check list prior to requesting access to the yard and ship

SPECIFICATION ITEM NO.: ___917_____________________________

PARAGRAPH / SECTION NO: __7.1_____________________________

TITLE: __Propeller and Rudder Stock Clearances____________________

QUESTION: 61

7.1.1 states that the propeller fairwater is welded on, new fairwaters shall be fit at reassembly. Please clarify if only propeller fairwaters (items 9 - 10 in Dwg 6360800) are to be new and fit at reassembly or if all fairwaters (items 5 - 10 in Dwg 6360800, not to include the coupling covers) are to be new and fit at reassembly.

ANSWER: Propeller fairwaters only. If other fairwaters require replacement that will be done with a CCO

SECTION C - DESCRIPTIONS AND SPECIFICATIONS

The following have been modified:

C – 2 List of Standard WIs included for this solicitation:

CATEGORY A

CATEGORY B

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