Question_9_answered.doc

USNS YUKON (T-AO 202) – N32205-17-R-4011

REQUEST FOR SPECIFICATION CLARIFICATION #9

NAME OF CONTRACTOR:

SPECIFICATION ITEM NO.: 103

PARAGRAPH / SECTION NO: Paragraph 7.2

TITLE: CHAIN LOCKER SUMP PRESERVATION AND STEEL REPAIRS (VR016-018)

In review of paragraph 7.2 of WI# 103, this offeror finds:

7.2.1 Crop out and replace bottom half of 8 out of 10 frames, each frame 5' x 1'

3" w/ access hole, 6.25 sq. feet each for a total of 50 sq. feet. 9/16" A-32

ABS grade steel plate. (FR 18.25, 18.5, 18.75, 19, 19.25).

7.2.2 Crop out and replace 25 sq. feet of 1/2" A-32 ABS grade plate on tank boundary frame 18 at the 32'-6" level. Note: this plate extends into the forepeak 5-0-0 and the #1 Deep tank 5-18-0. This will require staging in both tanks for access.

While outsourcing the steel plate price and availability for the repairs cited in paragraphs 7.2.1 & 7.2.2 this offeror finds that local suppliers are stating that A-32 ABS Grade Steel plate is not available. An alternate grade of AH-36 ABS Grade Steel Plate is being offered as an upgrade to the A-32 steel plate.

Additionally plate thickness of 14.5mm / .570” is being offered for paragraph 7.2.1 in lieu of the 9/16” thick plate cited as 9/16” thick plate is not available.

QUESTION:

A.) Please confirm that 14.5 mm thick x AH-36 ABS Grade Plate is acceptable for use for the repairs cited in paragraph 7.2.1.

B.) Please confirm that ½” thick x AH-36 ABS Grade Plate is acceptable for use for the repairs cited in paragraph 7.2.2.

ANSWER:

All changes must be approved by ABS. Request contractor contact ABS and confirm if changes meet ABS requirements and regulations. Submit change request to MSC with ABS confirmation letter.

ATTACHMENT J - 8