LWT 042-001.pdf

LOCAL WORK TEMPLATE

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SHIP: N/A ITEM NO: 042-00

COAR: N/A PCN: N/A

LWT FILE NO: 042-001 CMP: N/A

REVISED: 31 OCT 2025 PLANNER: N/A

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1. SCOPE:

1.1 Standard Welding Procedure Specification for Naval Applications;

procure and demonstrate

1.2 Location of Work:

1.2.1 Contractor Facility

1.3 Identification:

1.3.1 AWS-NAVSEA B2.1-1-302:2015 Standard Welding Procedure

Specification for Naval Applications for Naval Applications for Shielded Metal Arc Welding of Carbon Steel (S-1), 1/8" [3 mm] through 1-1/2" [38 mm] Thick, MIL-7018-M, in the As-Welded or PWHT Condition, Primary Plate and Structural Naval

1.3.2 Carbon steel (S-1) test assembly weldment, approximately 1/2 in X 14 in X 15 in.

2. REFERENCES:

2.1 FY 26 CH-1, Standard Items

2.2 AWS-NAVSEA B2.1-1-302:2015, Standard Welding Procedure Specification for Naval Applications for Naval Applications for Shielded Metal Arc Welding of Carbon Steel (S-1), 1/8" [3 mm] through 1-1/2" [38 mm] Thick, MIL-7018-M, in the As-Welded or PWHT Condition, Primary Plate and Structural Naval

2.3 S9074-AQ-GIB-010/248 Rev 1, Requirements for Welding and Brazing Procedure and Performance Qualification

2.4 MIL-STD-22D, Welded Joint Design

2.5 MIL-STD-1689 Rev A, Fabrication, Welding, and Inspection of Ships Structure

2.6 MIL-STD-2035 Rev A, Nondestructive Testing Acceptance Criteria

3. REQUIREMENTS:

3.1 Procure the Standard Welding Procedure Specification for Naval Applications (SWPS-N) identified in 1.3.1 for the demonstration and testing of the test assembly weldment of 1.3.2. See Note 4.1.

3.1.1 For each SWPS-N, the contractor performing the welding shall enter the name of the contractor and each fabrication document on the SWPS-N for which the SWPS-N will be used. All SWPS-N requirements shall be met and those requirements shall not be modified

3.1.2 Submit one legible copy, in approved transferrable media, of a signed copy of the SWPS-N to the SUPERVISOR. Document in Enclosure (One).

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3.2 Personnel welding SWPS-N verification welds shall be regular employees of the contractor (i.e., not subcontractors or temporary specialists) and under the full supervision and control of the activity.

Welding of the SWPS-N verification weld assembly should be accomplished at one of the contractor’s sites with the contractor’s welding equipment.

3.2.1 Provide a commercially qualified welder for the welding of the test assembly weldment of 1.3.2 in accordance with 2.2. Welder shall be all position qualified for carbon steel base materials utilizing E7010-A1, E7011-A1, E7018-A1 or E7020-A1 filler materials conforming to AWS A5.5/A5.5M.

3.3 The actual values/information used for test welding for all essential elements of the SWPS-N (e.g., amperage range, base material thickness, specification and type, joint design, position welded, etc.)

shall be recorded on a form along with the inspection results and dated, certified, and submitted to the authorized representative for review along with the complete, certified SWPS-N. The requirements of 4-6 of 2.3 shall apply for this form. A suggested form is a copy of the SWPS-N, with specific test weld values and information inserted, and re-titled indicating a test verification weld record and supplemented at the end with the required inspection and, if applicable, repair information. A written response from the authorized representative regarding this form is not required.

3.4 As required by 2.1, the Contractor must submit legible copies in English of the documents listed below to the NAVSUP FLC (Contracting) Singapore for review and acceptance prior to commencing of work. Document in Enclosure (One). See Note 4.2.

3.4.1 Welder:

3.4.1.1 Submit all position SMAW welder performance

qualification for carbon steel utilizing E7010-A1, E7011-A1, E7018-A1 or E7020-A1 filler materials conforming to AWS A5.5/A5.5M.

3.4.1.2 Submit record of eye exam.

3.4.1.3 Submit evidence of qualification updates within last 6 months.

3.4.2 NDT Process:

3.4.2.1 Submit applicable NDT procedures.

3.4.2.2 Submit NDT written practice.

3.4.3 NDT Personnel:

3.4.3.1 Submit NDT Level II inspector certification(s).

3.4.3.2 Submit NDT Level III certification supporting NDT

procedure approval.

3.5 Contractor to procure new the following certified materials to manufacture the test assembly weldment of 1.3.2.

3.5.1 Carbon steel (S-1) plate, 1/2 in thick, 4 square feet, conforming to Grade A of ABS Steel Vessel Rules Part 2.

3.5.1.1 Submit one legible copy, in approved transferrable

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media, of a report providing the material certificates of 3.5.1 to the SUPERVISOR. Document in Enclosure (One).

3.5.2 Carbon steel covered electrode (A-2A), 10 lbs, E7018-A1 conforming to AWS A5.5/A5.5M.

3.5.2.1 Submit one legible copy, in approved transferrable

media, of a report providing the lot conformance testing and material certificates of 3.5.2 to the SUPERVISOR. Document in Enclosure (One).

(V)(G) "VERIFICATION OF TEST ASSEMBLY PLATES"

3.6 From the material procured in 3.5.1, machine two plates with overall dimensions of 1/2 in X 7 in X 15 in. Overall dimensions shall have a tolerance of +/- 1/8 in. All final dimensions shall be machined to size with no thermally cut edges. Plates shall be prepped for B2V.1 welding joint design per 2.4. Document in Enclosure (One).

(V)(G) "NOTIFY AUTHORIZED REPRESENTATIVE"

3.7 The contractor shall notify the Authorized Representative via the SUPERVISOR a minimum of 72 hours prior to the conduct of SWPS-N verification welds and, where applicable, first article testing and afford him or her the opportunity to observe the welding of the test assemblies and the performance of the required nondestructive testing.

The 72-hour time limit may be modified upon agreement between the Authorized Representative and the contractor. Such observation shall be at the discretion of the Authorized Representative. Document in Enclosure (One).

3.8 Accomplish the requirements of 009-012 of 2.1, Table 2 Column A Lines One through 6, for the welding of the test assembly weldment of 1.3.2.

3.8.1 Run-on and run-off tabs shall be utilized, and tack welding shall be accomplished utilizing the electrodes procured in 3.5.2.

Cracked tack welds and those of poor quality or workmanship shall be removed, except that cracked or poor quality tack welds deposited on the backside of a weld joint need not be removed prior to welding the first side if the backside is to be backgouged.

(I)(G) "FIT-UP INSPECTION"

3.8.2 Prior to fill welding, but after fit-up of test assembly weldment plates, accomplish a fit-up inspection of assembly jointly with SUPERVISOR to ensure that the B2V.1 joint design dimensions of

2.4 are established. Document in Enclosure (One).

(V)(G) "ASSEMBLY POSITION VERIFICATION"

3.8.3 Prior to fill welding, verify that the test assembly weldment is in the 3G position for all position qualification. Document in Enclosure (One).

3.8.4 Welding shall be accomplished in a balanced manner to ensure the two test assembly weldment halves remain as parallel as practical. Final angular misalignment of test assembly weldment

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halves should not exceed 5 degrees.

(I)(G) "VISUAL INSPECTION (VT)"

3.9 Accomplish the requirements of 009-012 of 2.1, Table 2 Column A Line 7 for the visual inspection of the test assembly weldment of 1.3.2.

Accept or reject criteria shall be in accordance with Para. 4 of 2.6 for Class 1 acceptance criteria. Document in Enclosure (One).

3.9.1 Repair of test assembly weldment due to UNSAT visual

inspection results is not authorized without prior approval by the

SUPERVISOR.

3.9.2 Submit one legible copy, in approved transferrable media, of a report providing the results of 3.9 to the SUPERVISOR. Document in Enclosure (One).

(I)(G) "RADIOGRAPHIC INSPECTION (RT)"

3.10 Accomplish the requirements of 009-012 of 2.1, Table 2 Column A Line 8 for the radiographic inspection of the test assembly weldment of

1.3.2. Accept or reject criteria shall be in accordance with Para. 5 of

2.6 for Class 1 acceptance criteria. Document in Enclosure (One).

3.10.1 Repair of test assembly weldment due to UNSAT radiographic inspection results is not authorized without prior approval by the

SUPERVISOR.

3.10.2 Submit one legible copy, in approved transferrable media, of a report providing the results of 3.10 to the SUPERVISOR. Document in Enclosure (One).

3.10.3 Provide the cognizant Government representative designated by the SUPERVISOR the evaluated radiographs and records within 2 days of the (G) point.

(I)(G) "MAGNETIC PARTICLE INSPECTION (MT)"

3.11 Accomplish the requirements of 009-012 of 2.1, Table 2 Column A Line 11 for the magnetic particle inspection (MT) of the test assembly weldment of 1.3.2. Accept or reject criteria shall be in accordance with Para. 6 of 2.6 for Class 1 acceptance criteria. Document in Enclosure (One).

3.11.1 Repair of test assembly weldment due to UNSAT magnetic particle inspection results is not authorized without prior approval by the SUPERVISOR.

3.11.2 Submit one legible copy, in approved transferrable media, of a report providing the results of 3.11 to the SUPERVISOR. Document in Enclosure (One).

3.12 Submit one legible copy, in approved transferrable media, of a report providing the final results of 3.3 to the SUPERVISOR. Document in Enclosure (One).

3.13 Submit one legible copy, in hard copy or approved transferrable media, of Enclosure (One) to the SUPERVISOR within 3 days from completion of work.

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EXPORT CONTROLLED DATA: This document contains technical information whose export is governed by U.S.

International Traffic in Arms Regulation (ITAR). This information must not be transferred to a foreign person/entity without proper authorization of the U.S. Government. Violations may result in administrative, civil, or criminal penalties.

4. NOTES:

4.1 SWPS-N of 1.3.1 can be procured at https://pubs.aws.org/p/1630/aws-navsea-b21-1-3022015

4.2 Enclosure (One) is a Test and Inspection Verification Sheet (TIVS)

5. GOVERNMENT FURNISHED MATERIAL(GFM):

5.1 LLTM:

1. None.

5.2 PUSH MATERIAL:

1. None.

5.3 KITTED MATERIAL:

1. None.