LAC-_Errata_Pkg__1.pdf

THIS PERMANENT CHANGE UPDATES THE SPECIFICATION BID PACKAGE.

SHIP: USS LOUISIANA (SSBN 743)

NWRMC-501-20

ERRATA NUMBER:

SPECIFICATION NUMBER:

One

THE FOLLOWING ITEMS ARE REPLACED:

111-11-012

DATED: 4/24/2019 5:18:54PMPage 1 of 1

SHIP: USS LOUISIANA (SSBN 743) ITEM NO: 111-11-012 (E1)

COAR: 16 PCN: SSPS-L146

CMP: NONE

PLANNER: LEWIS, ANNA

PADILLA , FRANK

SSP: NWRMC-501-20 1 of 3 ITEM NO: 111-11-012 ERRATA NO. One

1. SCOPE:

1.1 Title: WQC-6 Matching Network Mounting Plate; Install

1.2 Location of Work:

1.2.1 Interior Sail, Upper Flat, Frame 38, Centerline

1.3 Identification:

1.3.1 WQC-6 Matching Network Mounting Plate

2. REFERENCES:

2.1 Standard Items, FY20

2.2 UIPI 0770-104, Rel 4, Shipboard Hot Work Precautions

2.3 607-4788576 Rev E, SSBN TRIDENT CLASS SOUND DAMPING FAIRWATER &

SUPERSTRUCTURE

2.4 607-4674661 Rev J, SSBN TRIDENT CLASS SOUND DAMPING INSTALLATION

DETAILS

2.5 SMS 6350-081-001 Rev F, Chg(6) Inspect, Repair Vibration Damping

2.6 TRK-0015-07A, OHIO Class Liaison Action Record (OCLAR) WQC-6 Matching Network Installation

2.7 T9074-AD-GIB-010/1688 Rev 1, Requirements for Fabrication, Welding, and Inspection of Submarine Structure

2.8 S9086-CH-STM-010/CH-074 Rev 5, Volume 1,Welding and Allied Processes

2.9 S9074-AR-GIB-010/278, Rev (00), Requirements for Fabrication, Welding, and Inspection and Casting Inspection and Repair for Machinery, Piping, and Pressure Vessels.

2.10 111-4643282 Rev J, Fairwater Elevation and Dive Plane Root (E1)

2.11 111-4643277 Rev H, Fairwater Material Sheet 1 (E1)

3. REQUIREMENTS:

3.1 Accomplish the requirements of 2.2 Enclosure (2) for each location listed in1.2, using 2.3 through 2.5 for guidance.

3.1.1 Remove all tile/insulation remnants, glue, paint, and

corrosion products.

Report: Tile Removal Report KTR END DATE - 80 days

3.1.2 Submit one legible copy, in hard copy or approved

transferrable media, of a report listing locations of tile/insulation documented in a 3 dimensional fashion including number of tile removed and square footage to the SUPERVISOR 24 hours after removal.

3.2 Accomplish the requirements of 2.6 for locations listed in 1.2 in (E1)

SSP: NWRMC-501-20 2 of 3 ITEM NO: 111-11-012 ERRATA NO. One accordance with 2.1 and 2.7 through 2.9.11.

3.2.1 Use minimal amperages and short weld times to avoid

overheating to minimize any possible distortion that may adversely affect the alignment of mast components.

(I) "NONDESTRUCTIVE TESTING VISUAL INSPECTION"

3.3 Accomplish nondestructive visual inspection in accordance with paragraph 2.7 and 2.8 after completion of weld repairs at the location listed in Attachment A.

(I)(G) "WQC-6 INSTALLATION INSPECTION"

3.4 Accomplish a joint inspection with Code 290 engineering and the SUPERVISOR to verify the requirements of 3.2 have been met.

Report: Final OQE Report KTR END DATE - 80 days

3.5 Submit one legible copy, in approved transferrable media, of final repair report, and any Objective Quality Evidence (OQE) required by 2.7 and 2.8 to the SUPERVISOR within 72 hours after completion of the repairs.

4. NOTES:

4.1 Hot work related distortion/misalignment of adjacent components shall be kept to minimum (specifically, NAVSAT and SUBHDR Bearing Frame Foundations).

4.2 Tile/insulation removed in way of hot work or for any reasons is considered a Previously Obscure Area (POA). Inspection is required to be accomplished by PSNS of the area under the tile/insulation.

4.2.1 Total tile removal will be deducted from the overall total square feet listed in the 042-10-001 work item.

4.2.2 PSNS engineering requires 48 hour advance notice for POA inspections.

4.3 Area listed in 1.2 will not be released to the contractor for final blast and paint until PSNS (Code 290) engineering has verified that all reporting information has been provided for all defects previously submitted for contractor repair.

4.4 PSNS engineering requires 3 working days to complete review after final repairs are completed and report is submitted.

4.5 Mounting Plate will be supplied by code 290 SWS.

4.6 CAUTION: Damping tile and epoxy adhesives contain crystalline silicas which are hazardous.

5. GOVERNMENT FURNISHED MATERIAL (GFM):

5.1 LLTM:

1. None.

5.2 PUSH MATERIAL:

SSP: NWRMC-501-20 3 of 3 ITEM NO: 111-11-012 ERRATA NO. One

1. None.

5.3 KITTED MATERIAL:

TOTAL

QUANTITY

PROVIDED NAME Of PART

PIECE

NO.

REF

NO.

NATIONAL

STOCK

NO.

REQ

PARA NO.

1. 1 EA

Mounting Plate:7-1/4” Diameter,¾” Thick, QQ-N-281, NICU