USS_MICHIGAN_FY19_ERP_-_ERRATA_2.pdf

PDF 1019 KB Posted Nov 26, 2018

Attached to: USS Michigan FY19 ERP Federal contract opportunity
Solicitation number: N4523A19R0801
Issued by: Department of the Navy Naval Sea Systems Command

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N4523A19R0801 Work Specification Package ERRATA 2

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File	Type	Posted
N4523A19R0801_Revised_Solicitation_11-30.pdf	PDF	Nov 30, 2018
N4523A19R0801__Amendment_7_Summary.pdf	PDF	Nov 30, 2018
N4523A19R0801_Solicitation_Amendment_11-28.pdf	PDF	Nov 28, 2018
N4523A19R0801__Amendment_6_Summary.pdf	PDF	Nov 28, 2018
N4523A19R0801__Amendment_5.pdf	PDF	Nov 26, 2018
N4523A19R0801__Amendment_4_Answer_To_Bidder's_Questions.pdf	PDF	Nov 19, 2018
A031_CDRL__Weld_Qualification_and_Training_Program-signed.pdf	PDF	Nov 17, 2018
N4523A19R0801__Amendment_3.pdf	PDF	Nov 17, 2018
N4523A19R0801_Solicitation_Amendment_11-17.pdf	PDF	Nov 17, 2018
USS_MICHIGAN_FY19_ERP-_ERRATA_1.pdf	PDF	Nov 17, 2018
DI-MISC-81940_Welding_Qualification_and_Training_Program.pdf	PDF	Nov 17, 2018
Revised_N4523A19R0801.pdf	PDF	Oct 31, 2018
Attachment_J3_Request_for_Clarification_Revised_10-31.docx	DOCX document	Oct 31, 2018
N4523A19R0801__Amendment_2_Answer_To_Bidder's_Questions.docx	DOCX document	Oct 31, 2018
N4523A19R0801__Amendment_1_Answer_To_Bidder's_Questions.docx	DOCX document	Oct 26, 2018
Attachment_J5_Previous_Efforts_Form.doc	DOC document	Oct 15, 2018
N4523A19R0801.pdf	PDF	Oct 15, 2018
Attachment_J4_Pricing_Volume_for_Solicitation.xlsx	XLSX spreadsheet	Oct 15, 2018
Attachment_J2_Badging.pdf	PDF	Oct 15, 2018
Attachment_J3_Request_for_Clarification.pdf	PDF	Oct 15, 2018
Combined_DIDs_Package.pdf	PDF	Oct 15, 2018
Attachment_J6_Government_Property.pdf	PDF	Oct 15, 2018
Attachment_J1_USS_Michigan_FY19_ERP-_Contract_Package.pdf	PDF	Oct 15, 2018
Combined_CDRL_Package.pdf	PDF	Oct 15, 2018

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THIS PERMANENT CHANGE UPDATES THE SPECIFICATION BID PACKAGE.

SHIP: USS MICHIGAN (SSGN 727)

NWRMC-501-19

ERRATA NUMBER:

SPECIFICATION NUMBER:

THE FOLLOWING ITEMS ARE REPLACED:

123-11-001

111-11-002

524-10-002

123-11-002

528-10-002

151-11-001

123-11-003

528-10-001

151-11-002

524-10-001

DATED: 11/20/2018 11:08:23AMPage 1 of 1

SHIP: USS MICHIGAN (SSGN 727) ITEM NO: 111-11-002 (E2)

COAR: 16 PCN: SSPS-L005

CMP: NONE

PLANNER: WRIGHT , ANNA

COOPER, DANIEL

LEWIS, ANNA

SSP: NWRMC-501-19 1 of 6 ITEM NO: 111-11-002

ERRATA NO. 2

1. SCOPE:

1.1 Title: Superstructure Group 10; repair

1.2 Location of Work:

1.2.1 Superstructure Group 10 Frame 105 to Frame 118

1.2.1.1 Superstructure (plating and framing to include hangers, hand grabs, foundations and non-watertight access hatches)

1.3 Identification:

1.3.1 Not Applicable

2. REFERENCES:

2.1 Standard Items, FY19

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

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

2.4 Submarine Maintenance Standard (SMS) Rev D, 7650-081-091 Chg 3 Submarine Structural Inspection and Repairs

2.5 111-4642859 Rev D, Superstructure Main Deck Frames 93-106

2.6 111-4642846 Rev G, Superstructure Frames 93-106

2.7 111-4642860 Rev E, Superstructure Main Deck Frames 107-117

2.8 111-4642849 Rev G, Superstructure Frames 107-117

2.9 111-4775429 Rev F, Superstructure Frames 118-AFT

2.10 111-4642861 Rev F, Superstructure Main Deck Frames 118-AFT

2.11 111-4642835 Rev C, Superstructure Typical Details

2.12 113-4789068 Rev H, 113-4789068 Rev H, FDN Cleat Box Aft

2.13 113-4789212 Rev D, FDN Cleat Box Aft Details Sheet 02

2.14 123-4642952 Rev H, Superstructure Hatch & Fitting – Matl and Gen Notes

2.15 123-4642953 Rev F, Superstructure Hatch & Fitting – Arrangement & Details

2.16 111-6558972 Rev B, TLA superstructure Mods Fr 105-114

2.17 7550683 Rev A, ShipAlt 0548 SSGN Class 6” CM Misc Ext Mod

2.18 SMS 1510-081-005, Insp Superstructure and Fairwater Non-watertight Access Hatches and Cvrs

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

2.20 SMS 6350-081-001, Inspect; repair vibration damping.

2.21 4674661 Rev J, SSBN TRIDENT CLASS SOUND DAMPING INSTALLATION

SSP: NWRMC-501-19 2 of 6 ITEM NO: 111-11-002

ERRATA NO. 2

DETAILS

2.22 4788576 Rev D, SSBN TRIDENT CLASS SOUND DAMPING FAIRWATER &

SUPERSTRUCTURE

3. REQUIREMENTS:

(V)(G) "VERIFY ATTACHMENT A"

3.1 Accomplish a joint inspection with the government to verify the locations of structural repairs identified in Attachment- A and provide repair plan to the SUPERVISOR, prior to start for production work.

3.1.1 Submit one legible copy, in approved transferrable media, of the repair plan identified in 3.1 to the SUPERVISOR.

3.2 Accomplish repairs of areas identified in Attachment A, in accordance with 2.1 through 2.4 using 2.5 through 2.17 for guidance.

3.2.1 Template exact sizes, locations, and configurations from existing shipboard conditions prior to removal and re-installation to ensure clearances are maintained.

3.2.2 Repair work shall be sequenced to minimize warping, buckling and other deformations during hot work operations.

3.2.3 Unidentified dented or deformed pressure hull and/or tank structure shall be reported within 48 hours of discovery to

SUPERVISOR.

3.2.4 Notify the Supervisor and provide PSNS access to surfaces of the superstructure after repairs are complete but prior to final blast and paint to remap the surfaces.

3.2.5 Accomplish repairs to the re-mapped surfaces not accepted by PSNS in accordance with 2.1 through 2.4 using 2.5 through 2.17 for guidance.

(I) "NONDESTRUCTIVE TESTING VISUAL INSPECTION"

3.2.6 Accomplish nondestructive visual inspection in accordance with paragraph 2.2 and 2.3 After completion of weld repairs at the location listed in Attachment A.

(I)(G) "NONDESTRUCTIVE TESTING MAGNETIC PARTICLE"

3.2.7 Accomplish nondestructive magnetic particle testing in

accordance with 2.2. through 2.4.

3.2.7.1 Submit one legible copy, in approved transferrable

media, of the results of the magnetic particle testing inspections upon completion.

3.2.8 Submit one legible copy, in approved transferrable media, of final repair report Attachment A, and any Objective Quality Evidence (OQE) required by 2.2 and 2.3 to the SUPERVISOR within 72 hours after completion of the repairs.

3.3 Grind each surface smooth in way of each repair site located in tile installation areas identified in 2.21 and 2.22.

SSP: NWRMC-501-19 3 of 6 ITEM NO: 111-11-002

ERRATA NO. 2

3.3.1 Do NOT grind below the valleys of the welded areas.

3.4 Accomplish the requirements of 2.19 Enclosure (2) for Strip back distances for heat sensitive material.

3.5 Accomplish fit-up and installation of all the non-watertight access covers identified in 2.14 thru 2.17 after repairs, to ensure the Noise Requirements of 2.18 are met.

4. NOTES:

4.1 PSNS engineering will inspect the structure located in 1.2.1 and provide a list of areas requiring repair using Attachment A.

4.1.1 Repair site square inches reported via Attachment A will be deducted from the overall total square inches listed in the 042-01- 001 042-10-001 work item.

(E2)

4.2 PSNS will provide initial mapping measurements of Superstructure groups 2 and 10 to the contractor.

4.3 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.

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

4.4 Area listed in 1.2 will not be released to the contractor for final blast and paint until PSNS (Code 250VS) engineering has verified that all reporting information has been provided for all defects previously submitted for contractor repair.

4.5 PSNS engineering requires 3 working days to complete review after final repairs are completed and Attachment A is submitted.

4.6 Contractor will procure materials not listed in paragraph 5 of work item 992-10-001 to accomplish the work as defined in this work item.

5. GOVERNMENT FURNISHED MATERIAL (GFM):

5.1 LLTM:

1. None.

5.2 PUSH MATERIAL:

1. None.

5.3 KITTED MATERIAL:

1. None.

SSP: NWRMC-501-19 4 of 6 ITEM NO: 111-11-002

ERRATA NO. 2

ATTACHMENT A - REPAIR TABLE INSTRUCTIONS

N4523A-17-C-0001

Repair actions shall be circled in the Repair Action Column for each type of defect. Several repair actions may be required to accomplish repairs.

Repair Action Definitions

MT: MT satisfactory S: Straightened REP: Replaced WRNR: Weld Repair Not Required WR: Weld Repaired

For these specific types of defects, the following Repair Actions are required and shall be annotated/circled in the Repair Action Column as being accomplished:

Cracks:

Cracks shall be verified by MT inspection. Cracks verified by MT shall be cleared by grinding and a satisfactory MT accomplished. Based on excavation LxWxD, weld repair may or may not be required (MT / WR or MT / WRNR)

Cracks verified MT Sat prior to excavation and do not require any additional action shall be annotated as such. (MT / WRNR)

Deformations:

Deformed structure may be straightened, weld repaired, or replaced. ( S or WR or Rep)

The final Length (L:), Width (W:), and Depth (D:) shall be documented in the Final Repair Length, Width, & Depth Column for each defect.

If items are combined due to location and ease of repair, a positive statement shall be made in the remarks section identifying all sites that were combined. Remark will be made in each site that is affected.

SSP: NWRMC-501-19 5 of 6 ITEM NO: 111-11-002

ERRATA NO. 2

ATTACHMENT A - REPAIR TABLE

N4523A-17-C-0001

XXXXX‐XXXXX‐XXX

Noun Name Repair

Page _ of _

Site No. Defect Description/Location Repair Action: (Circle all that apply) Final Repair Length, Width, & Depth Signature, Badge, Date Remarks:

MT / S / REP / WRNR / WR L: W: D:

SSP: NWRMC-501-19 6 of 6 ITEM NO: 111-11-002

ERRATA NO. 2

MT / S / REP / WRNR / WR L: W: D:

MT: MT Satisfactory S: Straightened REP: Replaced WRNR: Weld Repair Not Required WR: Weld Repaired

GAS FREE CERTIFICATION REQUIRED

SHIP: USS MICHIGAN (SSGN 727) ITEM NO: 123-11-001 (E2)

COAR: 16 PCN: SSPS-L006

CMP: NONE

PLANNER: WRIGHT , ANNA

COOPER, DANIEL

HOSKINS, JENNIFER

LEWIS, ANNA

SSP: NWRMC-501-19 1 of 6 ITEM NO: 123-11-001

ERRATA NO. 2

1. SCOPE:

1.1 Title: Main Ballast Tank (MBT) 1A; repair

1.2 Location of Work:

1.2.1 MBT 1A

1.2.1.1 MBT (plating and framing to include hangers, hand grabs, foundations)

1.3 Identification:

1.3.1 Not Applicable

2. REFERENCES:

2.1 Standard Items, FY19

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

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

2.4 Submarine Maintenance Standard (SMS) Rev D, 7650-081-091 Chg 3 Submarine Structural Inspection and Repairs

2.5 100-4640663 Rev G, NON-PRESSURE HULL PLATING FRAME 6 – 27

2.6 101-4640664 Rev F, NON-PRESSURE HULL PLATING FRAME 6-27 DETAILS

2.7 101-4640631 Rev H, CENTERLINE LONG'L BHD FRAMES 4-15

2.8 101-4640625 Rev H, MBT 1A & 1B BHD FRAMES 4, 5, & 6

2.9 101-4640626 Rev C, NON PRESSURE HULL FRAMES 7, 8, & 9

2.10 101-4640627 Rev F, MBT BHD 10 & NP HULL FR 11

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

2.12 SMS 6350-081-001, Inspect; repair vibration damping

2.13 4674661 Rev J, SSBN TRIDENT CLASS SOUND DAMPING INSTALLATION

DETAILS

3. REQUIREMENTS:

(V)(G) "VERIFY ATTACHMENT A"

3.1 Accomplish a joint inspection with the government to verify the locations of structural repairs identified in Attachment A and provide repair plan to the SUPERVISOR, prior to start for production work.

3.1.1 Submit one legible copy, in approved transferrable media, of the repair plan identified in 3.1 to the SUPERVISOR.

SSP: NWRMC-501-19 2 of 6 ITEM NO: 123-11-001

ERRATA NO. 2

3.2 Accomplish repairs of areas identified in Attachment A, in accordance with 2.1 through 2.4, using 2.5 through 2.10 for guidance.

3.2.1 Repair work shall be sequenced to minimize warping, buckling and other deformations during hot work operations.

3.2.2 Unidentified dented or deformed pressure hull and/or tank structure shall be reported within 48 hours of discovery to

SUPERVISOR.

(I) "NONDESTRUCTIVE TESTING VISUAL INSPECTION"

3.2.3 Accomplish nondestructive visual inspection in accordance with paragraph 2.2 and 2.3 After completion of weld repairs at the location listed in Attachment A

(I)(G) "NONDESTRUCTIVE TESTING MAGNETIC PARTICLE"

3.2.4 Accomplish nondestructive magnetic particle testing in

accordance with 2.2.through 2.4.

3.2.4.1 Submit one legible copy, in approved transferrable

media, of the results of the magnetic particle testing inspections upon completion.

3.2.5 Submit one legible copy, in approved transferrable media, of final repair report Attachment A, and any Objective Quality Evidence (OQE) required by 2.2 and 2.3 to the SUPERVISOR within 72 hours after completion of the repairs.

3.3 Accomplish the requirements of 2.11 Enclosure (2) for strip back distances for heat sensitive material.

3.4 Remove existing insulation and sound damping in way of weld repairs from each location listed in 1.2, using 2.12 for guidance.

3.4.1 Remove all tile/insulation remnants, glue and corrosion products.

3.4.2 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.

3.5 Grind each surface smooth in way of each repair site located in tile installation areas identified in 2.13.

3.5.1 Do NOT grind below the valleys of the welded areas.

4. NOTES:

4.1 PSNS engineering will inspect the structure located in 1.2.1 and provide a list of areas requiring repair using Attachment A.

4.1.1 Repair site square inches reported via Attachment A will be deducted from the overall total square inches listed in the 042-01- 001 042-10-001 work item.

(E2)

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 PSNS engineering requires 48 hour advance notice for POA

SSP: NWRMC-501-19 3 of 6 ITEM NO: 123-11-001

ERRATA NO. 2

inspections.

4.3 Area listed in 1.2 will not be released to the contractor for final blast and paint until PSNS (Code 250VS) 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 Attachment A is submitted.

4.5 Contractor will procure materials not listed in paragraph 5 of work item 992-10-001 to accomplish the work as defined in this work item.

5. GOVERNMENT FURNISHED MATERIAL (GFM):

5.1 LLTM:

1. None.

5.2 PUSH MATERIAL:

1. None.

SSP: NWRMC-501-19 4 of 6 ITEM NO: 123-11-001

ERRATA NO. 2

ATTACHMENT A - REPAIR TABLE INSTRUCTIONS

N4523A-17-C-0001

Repair actions shall be circled in the Repair Action Column for each type of defect. Several repair actions may be required to accomplish repairs.

Repair Action Definitions

MT: MT satisfactory S: Straightened REP: Replaced WRNR: Weld Repair Not Required WR: Weld Repaired

For these specific types of defects, the following Repair Actions are required and shall be annotated/circled in the Repair Action Column as being accomplished:

Cracks:

Cracks verified MT Sat prior to excavation and do not require any additional action shall be annotated as such. (MT / WRNR)

Deformations:

Deformed structure may be straightened, weld repaired, or replaced. ( S or WR or Rep)

The final Length (L:), Width (W:), and Depth (D:) shall be documented in the Final Repair Length, Width, & Depth Column for each defect.

If items are combined due to location and ease of repair, a positive statement shall be made in the

SSP: NWRMC-501-19 5 of 6 ITEM NO: 123-11-001

ERRATA NO. 2

ATTACHMENT A - REPAIR TABLE

N4523A-17-C-0001

XXXXX‐XXXXX‐XXX

Noun Name Repair

Page _ of _

Site No. Defect Description/Location Repair Action: (Circle all that apply) Final Repair Length, Width, & Depth Signature, Badge, Date Remarks:

MT / S / REP / WRNR / WR L: W: D:

SSP: NWRMC-501-19 6 of 6 ITEM NO: 123-11-001

ERRATA NO. 2

MT / S / REP / WRNR / WR L: W: D:

MT: MT Satisfactory S: Straightened REP: Replaced WRNR: Weld Repair Not Required WR: Weld Repaired

SHIP: USS MICHIGAN (SSGN 727) ITEM NO: 123-11-002 (E2)

COAR: 16 PCN: SSPS-L007

CMP: NONE

PLANNER: WRIGHT , ANNA

COOPER, DANIEL

LEWIS, ANNA

SSP: NWRMC-501-19 1 of 6 ITEM NO: 123-11-002

ERRATA NO. 2

1. SCOPE:

1.1 Title: Main Ballast Tank (MBT) 2A; repair

1.2 Location of Work:

1.2.1 MBT 2A

1.2.1.1 MBT (plating and framing to include hangers, hand grabs, foundations)

1.3 Identification:

1.3.1 Not Applicable

2. REFERENCES:

2.1 Standard Items, FY19

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

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

2.4 Submarine Maintenance Standard (SMS) Rev D, 7650-081-091 Chg 3 Submarine Structural Inspection and Repairs

2.5 100-4640663 Rev G, NON-PRESSURE HULL PLATING FRAME 6 – 27

2.6 101-4640664 Rev F, NON-PRESSURE HULL PLATING FRAME 6-27 DETAILS

2.7 101-4640631 Rev H, CENTERLINE LONG'L BHD FRAMES 4-15

2.8 101-4640627 Rev F, MBT BHD 10 & NP HULL FR 11

2.9 101-4640628 Rev F, NON PRESSURE HULL FRAMES 12, 13, & 14

2.10 101-4640629 Rev F, MAIN BALLAST TANK BULKHEAD 15 AND NON-PRESSURE

HULL FRAME 16

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

2.12 SMS 6350-081-001, Inspect; repair vibration damping

2.13 4674661 Rev J, SSBN TRIDENT CLASS SOUND DAMPING INSTALLATION

DETAILS

3. REQUIREMENTS:

(V)(G) "VERIFY ATTACHMENT A"

the repair plan identified in 3.1 to the SUPERVISOR.

SSP: NWRMC-501-19 2 of 6 ITEM NO: 123-11-002

ERRATA NO. 2

3.2 Accomplish repairs of areas identified in Attachment A, in accordance with 2.1 through 2.4, using 2.5 through 2.10 for guidance.

3.2.1 Repair work shall be sequenced to minimize warping, buckling and other deformations during hot work operations.

3.2.2 Unidentified dented or deformed pressure hull and/or tank structure shall be reported within 48 hours of discovery to

SUPERVISOR.

(I) "NONDESTRUCTIVE TESTING VISUAL INSPECTION"

3.2.3 Accomplish nondestructive visual inspection in accordance with paragraph 2.2 and 2.3 After completion of weld repairs at the location listed in Attachment A

(I)(G) "NONDESTRUCTIVE TESTING MAGNETIC PARTICLE"

3.2.4 Accomplish nondestructive magnetic particle testing in

accordance with 2.2. through 2.4.

3.2.4.1 Submit one legible copy, in approved transferrable

media, of the results of the magnetic particle testing inspections upon completion.

3.3 Accomplish the requirements of 2.11 Enclosure (2) for strip back distances for heat sensitive material.

3.4 Remove existing insulation and sound damping in way of weld repairs from each location listed in 1.2, using 2.12 for guidance.

3.4.1 Remove all tile/insulation remnants, glue and corrosion products.

3.4.2 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.

3.5 Grind each surface smooth in way of each repair site located in tile installation areas identified in 2.13.

3.5.1 Do NOT grind below the valleys of the welded areas.

4. NOTES:

4.1 PSNS engineering will inspect the structure located in 1.2.1 and provide a list of areas requiring repair using Attachment A.

4.1.1 Repair site square inches reported via Attachment A will be deducted from the overall total square inches listed in the 042-01- 001 042-10-001 work item.

(E2)

4.2.1 PSNS engineering requires 48 hour advance notice for POA

SSP: NWRMC-501-19 3 of 6 ITEM NO: 123-11-002

ERRATA NO. 2

inspections.

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

4.5 Contractor will procure materials not listed in paragraph 5 of work item 992-10-001 to accomplish the work as defined in this work item.

5. GOVERNMENT FURNISHED MATERIAL (GFM):

5.1 LLTM:

1. None.

5.2 PUSH MATERIAL:

1. None.

SSP: NWRMC-501-19 4 of 6 ITEM NO: 123-11-002

ERRATA NO. 2

ATTACHMENT A - REPAIR TABLE INSTRUCTIONS

N4523A-17-C-0001

Repair actions shall be circled in the Repair Action Column for each type of defect. Several repair actions may be required to accomplish repairs.

Repair Action Definitions

MT: MT satisfactory S: Straightened REP: Replaced WRNR: Weld Repair Not Required WR: Weld Repaired

For these specific types of defects, the following Repair Actions are required and shall be annotated/circled in the Repair Action Column as being accomplished:

Cracks:

Cracks verified MT Sat prior to excavation and do not require any additional action shall be annotated as such. (MT / WRNR)

Deformations:

Deformed structure may be straightened, weld repaired, or replaced. ( S or WR or Rep)

The final Length (L:), Width (W:), and Depth (D:) shall be documented in the Final Repair Length, Width, & Depth Column for each defect.

If items are combined due to location and ease of repair, a positive statement shall be made in the

SSP: NWRMC-501-19 5 of 6 ITEM NO: 123-11-002

ERRATA NO. 2

ATTACHMENT A - REPAIR TABLE

N4523A-17-C-0001

XXXXX‐XXXXX‐XXX

Noun Name Repair

Page _ of _

Site No. Defect Description/Location Repair Action: (Circle all that apply) Final Repair Length, Width, & Depth Signature, Badge, Date Remarks:

MT / S / REP / WRNR / WR L: W: D:

SSP: NWRMC-501-19 6 of 6 ITEM NO: 123-11-002

ERRATA NO. 2

MT / S / REP / WRNR / WR L: W: D:

MT: MT Satisfactory S: Straightened REP: Replaced WRNR: Weld Repair Not Required WR: Weld Repaired

SHIP: USS MICHIGAN (SSGN 727) ITEM NO: 123-11-003 (E2)

COAR: 16 PCN: SSPS-L008

CMP: NONE

PLANNER: WRIGHT , ANNA

COOPER, DANIEL

LEWIS, ANNA

SSP: NWRMC-501-19 1 of 6 ITEM NO: 123-11-003

ERRATA NO. 2

1. SCOPE:

1.1 Title: Main Ballast Tank (MBT) 3A; repair

1.2 Location of Work:

1.2.1 MBT 3A

1.2.1.1 MBT (plating and framing to include hangers, hand grabs, foundations)

1.3 Identification:

1.3.1 Not Applicable

2. REFERENCES:

2.1 Standard Items, FY19

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

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

2.4 Submarine Maintenance Standard (SMS) Rev D, 7650-081-091 Chg 3 Submarine Structural Inspection and Repairs

2.5 100-4640663 Rev G, NON-PRESSURE HULL PLATING FRAME 6 – 27

2.6 101-4640664 Rev F, NON-PRESSURE HULL PLATING FRAME 6-27 DETAILS

2.7 101-4640630 Rev G, NON-PRESSURE HULL 17, 18, 19

2.8 101-4640632 Rev G, CL LONG BHD FRS 15 – 25

2.9 101-4640558 Rev L, PRESSURE HULL FRS 23 – 25

2.10 100-4642351 Rev E, PENETRATIONS NON PRESSURE HULL BOW FR 94 DETAILS

2.11 515-4695737 Rev E, MBT 1, 2 & 3 VENT VALVE HOUSING & DETAIL – SSBN

TRIDENT CLASS

2.12 101-4640634 Rev E, NON PRESSURE HULL FRS 20 – 22

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

2.14 SMS 6350-081-001, Inspect; repair vibration damping

2.15 4674661 Rev J, SSBN TRIDENT CLASS SOUND DAMPING INSTALLATION

DETAILS

3. REQUIREMENTS:

(V)(G) "VERIFY ATTACHMENT A"

SSP: NWRMC-501-19 2 of 6 ITEM NO: 123-11-003

ERRATA NO. 2

3.1.1 Submit one legible copy, in approved transferrable media, of the repair plan identified in 3.1 to the SUPERVISOR.

3.2 Accomplish repairs of areas identified in Attachment A, in accordance with 2.1 through 2.4, using 2.5 through 2.12 for guidance.

3.2.1 Repair work shall be sequenced to minimize warping, buckling and other deformations during hot work operations.

3.2.2 Unidentified dented or deformed pressure hull and/or tank structure shall be reported within 48 hours of discovery to

SUPERVISOR.

(I) "NONDESTRUCTIVE TESTING VISUAL INSPECTION"

3.2.3 Accomplish nondestructive visual inspection in accordance with paragraph 2.2 and 2.3 After completion of weld repairs at the location listed in Attachment A.

(I)(G) "NONDESTRUCTIVE TESTING MAGNETIC PARTICLE"

3.2.4 Accomplish nondestructive magnetic particle testing in

accordance with 2.2 through 2.4.

3.2.4.1 Submit one legible copy, in approved transferrable

media, of the results of the magnetic particle testing inspections upon completion.

3.3 Accomplish the requirements of 2.13 Enclosure (2) for strip back distances for heat sensitive material.

3.4 Remove existing insulation and sound damping in way of weld repairs from each location listed in 1.2, using 2.14 for guidance.

3.4.1 Remove all tile/insulation remnants, glue and corrosion products.

3.4.2 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.

3.5 Grind each surface smooth in way of each repair site located in tile installation areas identified in 2.15.

3.5.1 Do NOT grind below the valleys of the welded areas.

4. NOTES:

4.1 PSNS engineering will inspect the structure located in 1.2.1 and provide a list of areas requiring repair using Attachment A.

4.1.1 Repair site square inches reported via Attachment A will be deducted from the overall total square inches listed in the 042-01- 001 042-10-001 work item.

(E2)

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

SSP: NWRMC-501-19 3 of 6 ITEM NO: 123-11-003

ERRATA NO. 2

accomplished by PSNS of the area under the tile/insulation.

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

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

4.5 Contractor will procure materials not listed in paragraph 5 of work item 992-10-001 to accomplish the work as defined in this work item.

5. GOVERNMENT FURNISHED MATERIAL (GFM):

5.1 LLTM:

1. None.

5.2 PUSH MATERIAL:

1. None.

SSP: NWRMC-501-19 4 of 6 ITEM NO: 123-11-003

ERRATA NO. 2

ATTACHMENT A - REPAIR TABLE INSTRUCTIONS

N4523A-17-C-0001

Repair actions shall be circled in the Repair Action Column for each type of defect. Several repair actions may be required to accomplish repairs.

Repair Action Definitions

MT: MT satisfactory S: Straightened REP: Replaced WRNR: Weld Repair Not Required WR: Weld Repaired

For these specific types of defects, the following Repair Actions are required and shall be annotated/circled in the Repair Action Column as being accomplished:

Cracks:

Cracks verified MT Sat prior to excavation and do not require any additional action shall be annotated as such. (MT / WRNR)

Deformations:

Deformed structure may be straightened, weld repaired, or replaced. ( S or WR or Rep)

The final Length (L:), Width (W:), and Depth (D:) shall be documented in the Final Repair Length, Width, & Depth Column for each defect.

If items are combined due to location and ease of repair, a positive statement shall be made in the

SSP: NWRMC-501-19 5 of 6 ITEM NO: 123-11-003

ERRATA NO. 2

ATTACHMENT A - REPAIR TABLE

N4523A-17-C-0001

XXXXX‐XXXXX‐XXX

Noun Name Repair

Page _ of _

Site No. Defect Description/Location Repair Action: (Circle all that apply) Final Repair Length, Width, & Depth Signature, Badge, Date Remarks:

MT / S / REP / WRNR / WR L: W: D:

SSP: NWRMC-501-19 6 of 6 ITEM NO: 123-11-003

ERRATA NO. 2

MT / S / REP / WRNR / WR L: W: D:

MT: MT Satisfactory S: Straightened REP: Replaced WRNR: Weld Repair Not Required WR: Weld Repaired

SHIP: USS MICHIGAN (SSGN 727) ITEM NO: 151-11-001 (E2)

COAR: 16 PCN: SSPS-L046

CMP: NONE

PLANNER: WRIGHT , ANNA

COOPER, DANIEL

LEWIS, ANNA

SSP: NWRMC-501-19 1 of 5 ITEM NO: 151-11-001

ERRATA NO. 2

1. SCOPE:

1.1 Title: Group 2 Safety Track; repair

1.2 Location of Work:

1.2.1 Main Deck Safety Track, Frames 62-71 (Group 2)

1.3 Identification:

1.3.1 Not Applicable

2. REFERENCES:

2.1 Standard Items, FY19

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

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

2.4 Submarine Maintenance Standard (SMS) 7650-081-091 Rev D, Chg 3, Submarine Structural Inspection and Repairs

2.5 111-4642856 Rev G, SSBN Trident Class Superstructure Main Deck Frs 51 to 83

2.6 605-4645173 Rev J, SSBN Trident Class Label Plates Structural

2.7 605-4645174 Rev K, SSBN Trident Class Label Plates Structural

2.8 4674661 Rev J, SSBN TRIDENT CLASS SOUND DAMPING INSTALLATION DETAILS

2.9 4788576 Rev D, SSBN TRIDENT CLASS SOUND DAMPING FAIRWATER &

SUPERSTRUCTURE

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

3. REQUIREMENTS:

(V)(G) "VERIFY ATTACHMENT A"

3.1.1 Submit one legible copy, in approved transferrable media, of the repair plan identified in 3.1 to the SUPERVISOR.

3.2 Accomplish repairs identified using Attachment A in accordance with

2.1 through 2.4 using 2.5 through 2.7 for guidance.

(I) "NONDESTRUCTIVE TESTING VISUAL INSPECTION"

3.2.1 Accomplish nondestructive visual inspection in accordance with paragraph 2.2 and 2.3 after completion of weld repairs at the location listed in Attachment A.

SSP: NWRMC-501-19 2 of 5 ITEM NO: 151-11-001

ERRATA NO. 2

(I)(G) "NONDESTRUCTIVE TESTING MAGNETIC PARTICLE"

3.2.2 Accomplish nondestructive magnetic particle testing in

accordance with 2.2 through 2.4.

3.2.2.1 Submit one legible copy, in approved transferrable

media, of the results of the magnetic particle testing inspections upon completion.

3.2.3 Paint used in the manufacturing of Label plates shall be in accordance with MIL-PRF-24635, Type 2, Class 1, Grade A.

3.2.4 Submit one legible copy, in approved transferrable media, of a report to include Attachment A and any additional OQE required by 2.2 and 2.3, to the SUPERVISOR within 72 hours after completion of the repairs.

3.3 Grind each surface smooth in way of each repair site located in tile installation areas identified in 2.8 and 2.9.

3.3.1 Do NOT grind below the valleys of the welded areas.

3.4 Accomplish the requirements of 2.10 Enclosure (2) for Strip back distances for heat sensitive material.

3.5 Accomplish the requirements of 009-32 of 2.1 for new and disturbed surfaces.

4. NOTES:

4.1 Puget Sound Naval Shipyard (PSNS) will provide a list of areas requiring repair to the contractor using Attachment A.

4.1.1 Repair site square inches reported via Attachment A will be deducted from the overall total square inches listed in the 042-01- 001 042-10-001 work item.

(E2)

4.2 Procure material not already identified as Government Furnished Material (GFM) in paragraph 5 of work item 992-10-001 to accomplish this work.

4.3 Preservation of the repaired Safety Track will be on a separate Work Item.

4.4 PSNS will perform the Strength Pull Test and Operational Test of the repaired safety track.

5. GOVERNMENT FURNISHED MATERIAL (GFM):

5.1 LLTM:

1. None.

5.2 PUSH MATERIAL:

1. None.

SSP: NWRMC-501-19 3 of 5 ITEM NO: 151-11-001

ERRATA NO. 2

USS MICHIGAN FY19

ERP

Column 1: Site No.

ATTACHMENT A ‐ REPAIR/REPLACE TABLE INSTRUCTIONS

Record Site No. using a unique site designator (e.g. 01, 02, 03, ect)

Column 2:

Column 3:

Defect Description/Location

Record a brief description of defect along with location and length of defect indexed from nearest frame.

Repair Action

Circle either Repair, Safety Track stays in place repaired via weld or Replace, UNSAT Safety Track removed and replaced with manufactured track.

Column 4:

Column 5:

Repair/Replace

Record Length (L). Width (W), and Depth (D) for repair or just Length for replacement of track.

NDT Requirements

Circle required NDT inspections: VT and/or MT

Column 6: Sign Off

Sign offs for Inspection results and accomplishing repairs

Column 7: Remarks

Add notes as needed.

*NOTE: Width and Depth not required for replacement of Safety Track

USS MICHIGAN FY19

ERP

ATTACHMENT A ‐ REPAIR TABLE SAFETY TRACK

Safety Track Repair Page

_ of _

Site No. Defect Description/Location Repair Action:

(Circle one)

Repair/Replace:

Length, *Width, & *Depth

NDT (Circle all that Apply):

Signature, Badge, Date Remarks:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

USS MICHIGAN FY19

ERP

ATTACHMENT A ‐ REPAIR TABLE SAFETY TRACK Safety Track Repair Page

_ of _

Site No. Defect Description/Location Repair Action:

(Circle one)

Repair/Replace:

Length, *Width, & *Depth

NDT (Circle all that Apply):

Signature, Badge, Date Remarks:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

SHIP: USS MICHIGAN (SSGN 727) ITEM NO: 151-11-002 (E2)

COAR: 16 PCN: SSPS-L047

CMP: NONE

PLANNER: WRIGHT , ANNA

COOPER, DANIEL

LEWIS, ANNA

SSP: NWRMC-501-19 1 of 6 ITEM NO: 151-11-002

ERRATA NO. 2

1. SCOPE:

1.1 Title: Group 10 Safety Track; repair

1.2 Location of Work:

1.2.1 Main Deck Safety Track, Frames 105-118 (Group 10)

1.3 Identification:

1.3.1 Not Applicable

2. REFERENCES:

2.1 Standard Items , FY19

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

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

2.4 Submarine Maintenance Standard (SMS) 7650-081-091 Rev D, Chg 3, Submarine Structural Inspection and Repairs

2.5 600-4694412 Rev B, SSBN Trident Class Topside Safety Track Extension

2.6 111-6558972 Rev B, SSBN Trident Class TLA Superstructure Modifications Frames 105-114

2.7 111-4642859 Rev D, SSBN Trident Class Superstructure Main Deck FRs 93-106

2.8 111-4642860 Rev E, SSBN Trident Class Superstructure Main Deck Frs 107 to 117

2.9 111-4642861 Rev F, SSBN Trident Class Superstructure Main Deck Frs

118-AFT

2.10 605-4645173 Rev J, SSBN Trident Class Label Plates Structural

2.11 605-4645174 Rev K, SSBN Trident Class Label Plates Structural

2.12 4674661 Rev J, SSBN TRIDENT CLASS SOUND DAMPING INSTALLATION

DETAILS

2.13 4788576 Rev D, SSBN TRIDENT CLASS SOUND DAMPING FAIRWATER &

SUPERSTRUCTURE

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

3. REQUIREMENTS:

(V)(G) "VERIFY ATTACHMENT A"

SSP: NWRMC-501-19 2 of 6 ITEM NO: 151-11-002

ERRATA NO. 2

the repair plan identified in 3.1 to the SUPERVISOR.

3.2 Accomplish repairs identified using Attachment A in accordance with

2.1 through 2.4 using 2.5 through 2.11 for guidance.

(I) "NONDESTRUCTIVE TESTING VISUAL INSPECTION"

3.2.1 Accomplish nondestructive visual inspection in accordance with paragraph 2.2 and 2.3 after completion of weld repairs at the location listed in Attachment A.

(I)(G) "NONDESTRUCTIVE TESTING MAGNETIC PARTICLE"

3.2.2 Accomplish nondestructive magnetic particle testing in

accordance with 2.2 through 2.4.

3.2.2.1 Submit one legible copy, in approved transferrable

media, of the results of the magnetic particle testing inspections upon completion.

3.2.3 Paint used in the manufacturing of Label plates shall be in accordance with MIL-PRF-24635, Type 2, Class 1, Grade A.

3.2.4 Submit one legible copy, in approved transferrable media, of a report to include Attachment A and any additional OQE required by 2.2, to the SUPERVISOR within 72 hours after completion of the repairs.

3.3 Grind each surface smooth in way of each repair site located in tile installation areas identified in 2.12 and 2.13.

3.3.1 Do NOT grind below the valleys of the welded areas.

3.4 Accomplish the requirements of 2.14 Enclosure (2) for Strip back distances for heat sensitive material.

3.5 Accomplish the requirements of 009-32 of 2.1 for new and disturbed surfaces.

4. NOTES:

4.1 Puget Sound Naval Shipyard (PSNS) will provide a list of areas requiring repair to the contractor using Attachment A.

4.1.1 Repair site square inches reported via attachment A will be deducted from the overall total square inches listed in the 042-01- 001 042-10-001 work item.

(E2)

4.2 Procure material not already identified as Government Furnished Material (GFM) in work item 992-10-001 to accomplish this work.

4.3 Preservation of the repaired Safety Track will be on a separate Work Item.

4.4 PSNS will perform the Strength Pull Test and Operational Test of the repaired safety track.

5. GOVERNMENT FURNISHED MATERIAL (GFM):

5.1 LLTM:

SSP: NWRMC-501-19 3 of 6 ITEM NO: 151-11-002

ERRATA NO. 2

5.2 PUSH MATERIAL:

1. None.

SSP: NWRMC-501-19 4 of 6 ITEM NO: 151-11-002

ERRATA NO. 2

USS MICHIGAN FY19

ERP

Column 1: Site No.

ATTACHMENT A ‐ REPAIR/REPLACE TABLE INSTRUCTIONS

Record Site No. using a unique site designator (e.g. 01, 02, 03, ect)

Column 2:

Column 3:

Defect Description/Location

Record a brief description of defect along with location and length of defect indexed from nearest frame.

Repair Action

Circle either Repair, Safety Track stays in place repaired via weld or Replace, UNSAT Safety Track removed and replaced with manufactured track.

Column 4:

Column 5:

Repair/Replace

Record Length (L). Width (W), and Depth (D) for repair or just Length for replacement of track.

NDT Requirements

Circle required NDT inspections: VT and/or MT

Column 6: Sign Off

Sign offs for Inspection results and accomplishing repairs

Column 7: Remarks

Add notes as needed.

USS MICHIGAN FY19

ERP

ATTACHMENT A ‐ REPAIR TABLE SAFETY TRACK

Safety Track Repair Page

_ of _

Site No. Defect Description/Location Repair Action:

(Circle one)

Repair/Replace:

Length, *Width, & *Depth

NDT (Circle all that Apply):

Signature, Badge, Date Remarks:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

USS MICHIGAN FY19

ERP

ATTACHMENT A ‐ REPAIR TABLE SAFETY TRACK Safety Track Repair Page

_ of _

Site No. Defect Description/Location Repair Action:

(Circle one)

Repair/Replace:

Length, *Width, & *Depth

NDT (Circle all that Apply):

Signature, Badge, Date Remarks:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

Repair / Replace L: W: D: VT / MT

Repair:

Inspect:

SHIP: USS MICHIGAN (SSGN 727) ITEM NO: 524-10-001 (E2)

COAR: 16 PCN: SSPS-L011

CMP: NONE

PLANNER: WRIGHT , ANNA

COOPER, DANIEL

LEWIS, ANNA

SSP: NWRMC-501-19 1 of 6 ITEM NO: 524-10-001

ERRATA NO. 2

1. SCOPE:

1.1 Title: Auxiliary Tank 1 (AUX-1); repair

1.2 Location of Work:

1.2.1 AUX Tank 1

1.2.1.1 Tank plating and framing to include hangers, hand grabs, foundations

1.3 Identification:

1.3.1 Not Applicable

2. REFERENCES:

2.1 Standard Items, FY19

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

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

2.4 Submarine Maintenance Standard (SMS) Rev D, 7650-081-091 Chg 3 Submarine Structural Inspection and Repairs

2.5 520-4687596 Rev C, Manhole Structural Inspection and Repairs

2.6 115-4677726 Rev K, Tank Auxiliary No. 1

2.7 115-4677725 Rev F, Tank Auxiliary Notes & L/M

2.8 SMS 6350-081-001, Inspect; repair vibration damping

2.9 4674661 Rev J, SSBN TRIDENT CLASS SOUND DAMPING INSTALLATION DETAILS

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

3. REQUIREMENTS:

(V)(G) "VERIFY ATTACHMENT A"

3.1.1 Submit one legible copy, in approved transferrable media, of the repair plan identified in 3.1 to the SUPERVISOR.

3.2 Accomplish repairs of areas identified in Attachment A, in accordance with 2.1 through 2.4, using 2.5 through 2.7 for guidance.

3.2.1 Repair work shall be sequenced to minimize warping, buckling and other deformations during hot work operations.

3.2.2 Unidentified dented or deformed pressure hull and/or tank structure shall be reported within 48 hours of discovery to

SSP: NWRMC-501-19 2 of 6 ITEM NO: 524-10-001

ERRATA NO. 2

SUPERVISOR.

(I) "NONDESTRUCTIVE TESTING VISUAL INSPECTION"

3.2.3 Accomplish nondestructive visual inspection in accordance with paragraph 2.2 and 2.3 After completion of weld repairs at the location listed in Attachment A.

(I)(G) "NONDESTRUCTIVE TESTING MAGNETIC PARTICLE"

3.2.4 Accomplish nondestructive magnetic particle testing in

accordance with 2.2 through 2.4.

3.2.4.1 Submit one legible copy, in approved transferrable

media, of the results of the magnetic particle testing inspections upon completion.

3.3 Remove existing insulation and sound damping in way of weld repairs from each location listed in 1.2, using 2.8 for guidance.

3.3.1 Remove all tile/insulation remnants, glue and corrosion products.

3.3.2 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.

3.4 Grind each surface smooth in way of each repair site located in tile installation areas identified in 2.9.

3.4.1 Do NOT grind below the valleys of the welded areas.

3.5 Accomplish the requirements of 2.10 Enclosure (2) for strip back distances for heat sensitive material.

4. NOTES:

4.1 PSNS engineering will inspect the structure located in 1.2.1 and provide a list of areas requiring repair using Attachment A.

4.1.1 Repair site square inches reported via Attachment A will be deducted from the overall total square inches listed in the 042-01- 001 042-10-001 work item.

(E2)

4.2.1 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 Puget Sound Naval Shipyard (PSNS) Code 250VS 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

SSP: NWRMC-501-19 3 of 6 ITEM NO: 524-10-001

ERRATA NO. 2

final repairs are completed and Attachment A is submitted.

4.5 Contractor will procure materials not listed in paragraph 5 of 992- 10-001 to accomplish the work as defined in this work item.

5. GOVERNMENT FURNISHED MATERIAL (GFM):

5.1 LLTM:

1. None.

5.2 PUSH MATERIAL:

1. None.

SSP: NWRMC-501-19 4 of 6 ITEM NO: 524-10-001

ERRATA NO. 2

ATTACHMENT A - REPAIR TABLE INSTRUCTIONS

N4523A-17-C-0001

Repair actions shall be circled in the Repair Action Column for each type of defect. Several repair actions may be required to accomplish repairs.

Repair Action Definitions

MT: MT satisfactory S: Straightened REP: Replaced WRNR: Weld Repair Not Required WR: Weld Repaired

For these specific types of defects, the following Repair Actions are required and shall be annotated/circled in the Repair Action Column as being accomplished:

Cracks:

Cracks verified MT Sat prior to excavation and do not require any additional action shall be annotated as such. (MT / WRNR)

Deformations:

Deformed structure may be straightened, weld repaired, or replaced. ( S or WR or Rep)

The final Length (L:), Width (W:), and Depth (D:) shall be documented in the Final Repair Length, Width, & Depth Column for each defect.

If items are combined due to location and ease of repair, a positive statement shall be made in the

SSP: NWRMC-501-19 5 of 6 ITEM NO: 524-10-001

ERRATA NO. 2

ATTACHMENT A - REPAIR TABLE

N4523A-17-C-0001

XXXXX‐XXXXX‐XXX

Noun Name Repair

Page _ of _

Site No. Defect Description/Location Repair Action: (Circle all that apply) Final Repair Length, Width, & Depth Signature, Badge, Date Remarks:

MT / S / REP / WRNR / WR L: W: D:

This is the start of the file's text. The full file is on GovTribe.

File details come from the government source that posted it.