SOW FY25 SLAP VLS CLS Sep Nut.docx

SOW-FY25 OA VLSCLS-SEPNUTS

STATEMENT OF WORK

FOR ORDNANCE ASSESSMENT OF

TOMAHAWK VLS & CLS SEPARATION NUTS

INTRODUCTION

Scope. This statement of work (SOW) defines the effort of the contractor to conduct non-destructive and functional (performance) testing of fleet returned VLS Separation Nut Assemblies (CED P/N 6016100-2, Navy P/N 76Z5921-2) and CLS Separation Nut Assemblies (CED P/N 6032100-02, Navy P/N JCM-14176-002) for the purposes of ordnance assessment.

Background. The last ordnance assessment testing of VLS and CLS separation nuts was conducted at Chemring Energetic Devices (CED) under contract #N00174-20-P-0292. Data resulting from non-destructive and functional testing of government furnished fleet returned units is used to evaluate ordnance safety, performance, and reliability of the aged devices.

Government Furnished Material (GFM). The Government shall furnish the following GFM to the contractor for use in performance of this contract:

Only the property listed above and on the GFP Attachment will be furnished by the Government. All other property required for performance of this contract shall be furnished by the contractor.

Disposition instructions for the GFM are as follows:

· All Separation Nuts and Initiators shall be disposed of at the vendor after NSWC IHD has accepted all CDRLs.

· Contractor shall return the fired Pressure Switches (P/N JCM-14174-002, 16 each) for inspection to ADDRESS TBD. Please notify Technical Representative when units are ready to ship.

On-Site Visit and Coordination. Contractor shall notify NSWC IHD technical representative at least 10 days prior to functional testing so representative(s) can make travel arrangements to witness testing.

APPLICABLE DOCUMENTS

Drawings.

CED Drawing 6016100-2 (Navy Drawing 76Z5921-2) –Separation Nut – Hold-down, SLCM Navy Drawing 76Z2843-3 – Dual Bridgewire Electric Initiator CED Drawing 6032100-02 (Navy Drawing JCM-14176-002) – Separation Nut Assembly, Missile Hold-Down Navy Drawing JCM-14175-001 – Dual Bridgewire Initiator Assembly, Capsule Launching System (CLS) MK 45 MOD 0 Navy Drawing JCM-14174-002 – Pressure Switch Test Procedures.

CED Document No. 6032-300 – Acceptance Test Procedure for Separation Nut Assembly, Missile Hold Down CED Document No. 6016-300 - Acceptance Test Procedure for Nut, Separation – Hold Down, SLCM

REQUIREMENTS

Test Procedure. The Contractor shall provide the test procedures and/or work orders in accordance with the most current revisions of CED Documents No. 6032-300 and 6016-300 to the Government for review and approval at least 15 working days prior to start of test program in accordance with SOW section 4.1 and CDRL A001.

Test Program. The Contractor shall conduct testing as shown in Table 1, and in accordance with SOW section 3.2 in its entirety. A test report including marriage records, all inspection and test results, test data, traces, photographs, non-conformance reports, and equipment and calibration list for the testing performed in the below subsections shall be delivered in accordance with SOW section 4.2 and CDRL A002.

Table 1: Test Matrix

SECTION

(1 initiator) CLS Sep Nut (2 initiators)

TOTAL

Functional Test

Cold Temperature (-65F) 3.2.2.1, 3.2.2.2

Ambient Temperature (70F) 3.2.2.1, 3.2.2.2

Hot Temperature (160F) 3.2.2.1, 3.2.2.2

Non-destructive Testing (NDT).

Visually inspect each unit in accordance with ATPs 6032-300 and 6016100/6016100-2, respectively. Results shall be recorded.

Radiographic inspection shall be conducted on each separation nut unit in accordance with ATPs 6032-300 and 6016100/6016100-2, respectively. Verify proper assembly with respect to drawings listed in section 2.1 of SOW. Radiographic inspection reports and digital images of the x-rays shall be provided.

Functional Testing.

Ten (10) VLS Separation Nut Assemblies (CED P/N 6016100-2, Navy P/N 76Z5921-2) shall be functionally tested with one (1) initiator (P/N 76Z2843-3) each in accordance with ATP 6016100/6016100-2. Prior to functional testing, units shall be temperature conditioned at +160F, +70F, or -65F in accordance with Table 1 for a minimum of 4 hours and maximum of 24 hours. The units shall be functioned within 3 minutes of removal from the temperature conditioning chamber. Pre-test set up with instrumentation leads connected and post-test photographs shall be taken.

Ten (10) CLS Separation Nut Assemblies (CED P/N 6032100-02, Navy P/N JCM-14176-002) shall be functionally tested with one (1) initiator (P/N JCM-14175-001) each and a pressure switch P/N JCM-14174-002 in accordance with ATP 6032-300. Six (6) CLS Separation Nut Assemblies (CED P/N 6032100-02, Navy P/N JCM-14176-002) shall be functionally tested with two (2) initiators (P/N JCM-14175-001) each and a pressure switch P/N JCM-14174-002 in accordance with ATP 6032-300. Prior to functional testing, units shall be temperature conditioned at +160F, +70F, or -65F in accordance with Table 1 for a minimum of 4 hours and maximum of 24 hours. The units shall be functioned within 3 minutes of removal from the temperature conditioning chamber. Pre-test set up with instrumentation leads connected and post-test photographs shall be taken.

Post-function visual inspection shall be conducted on each unit. After functional testing, all Separation Nuts shall be disassembled and components, including initiator, shall be inspected for any evidence of component hardware failure or damage, and for combustion blowby around the o-ring seals. Inspection results shall be recorded and photographed.

Test data shall include function time (application of current to bolt release), torque applied to the bolt, accelerometer-time traces, current-time traces, and pressure switch-time traces (for CLS only). A marriage log of separation nut, initiator, and pressure switch serial numbers shall be provided. Test results shall include pre and post visual inspection results, radiographic reports and digital images, test data sheets, photographs, any non-conformance reports, and current and accelerometer time data in a file format that is compatible with Excel spreadsheets (e.g., .csv files).

Test Failures. In the event of any functional test failure, the contractor shall be limited to verifying the respective test setup and photographing test item and test setup. Contractor shall notify the Government representative before proceeding with testing. The contractor must retain any failed units for at least 30 days after testing or until released for disposal by Government representative, whichever comes first.

DELIVERABLES

Test Procedure. (CDRL A001) First Submission – The test procedures shall be submitted for Government review and approval at least 15 working days prior to start of test program. Government shall return comments within 5 working days.

Subsequent Submission – Contractor shall address comments and questions in the subsequent submission within 7 working days of receipt of comments from the Government.

Technical Report–Study/Services. (CDRL A002) First Submission – Contractor shall submit a test report including marriage records, non-destructive inspection data sheets, radiographic inspection reports and digital x-ray images, functional test data sheets, photographs, associated non-conformance reports, equipment and calibration list, accelerometer-time, current-time, and pressure switch-time traces to the Government within 10 working days after the completion of functional testing. Government shall return comments within 7 working days.

Subsequent Submission – Contractor shall submit an electronic copy of accelerometer-time traces, current-time, pressure switch-time data (in a file format compatible with Excel (e.g. .csv files) within 15 working days of completion of functional testing.

CDRL Summary.

Table 3. CDRL Submittals

CDRL

NUMBER

(SOW sections 3.1and 4.1)

A002 Technical Report –Study/Services (SOW sections 3.2 and 4.2)

POINTS OF CONTACT

Technical Representative:

Ryan McLaughlin, Code E24RM, 301-744-2124 ryan.j.mclaughlin14.civ@us.navy.mil

WAWF submittal notifications shall be emailed to:

Christina Fish-DeAtley, Code E24CF, 301-744-2313 christina.m.fishdeatley.civ@us.navy.mil