GMBS Draft SOW.docx

Statement of Work 17 October 2024 Subject: Gun Mount Ballistic Shield Repair

1. Scope:

1.1. This specification establishes the requirements for refurbish of Paladin Gun Mount Ballistic Shield (GMBS) using the recently established repair procedure. Currently, the M109A6 Paladin Self-Propelled Howitzer is being overhauled at Anniston Army Depot, Alabama. The current GMBS are failing due to corrosion problems between the ballistic steel and the fiberglass bonded to it.

2. Objective

2.1. Execution of this contract will repair the GMBS for a minimum of (75) Paladins going through the RESET program at Anniston Army Depot FY 24-FY25 with follow on years option. This total quantity will be based upon FY funding.

3. Applicable Documents

3.1. Drawings:

3.1.1. PN: 12945543

3.1.2. PN: 12945546

3.1.3. PN: 12945551

3.1.4. PN: 12945560

3.1.5. PN: 19945569

3.2. Specifications:

3.2.1. MIL-A-12560H

3.2.2. TT-C-490E

3.2.3. MIL-DTL-0053022C

3.2.4. MIL-L-64154

3.2.5. MIL-PRF-64154

3.2.6. AMS-S-8802B

3.2.7. MIL-DTL-53039B

3.3. Other:

3.3.1. MIL-HDBK-61A

3.3.2. DI-CMAN-80640C

3.3.3. DI-MISC-80678

3.3.4. DD Form 1149

4. Requirements

4.1. Anniston Army Depot (ANAD) shall supply the contractor with as-is Gun Mount Ballistic Shields (PN: 12945543) as Government Furnished Material (GFM). The contractor will provide transportation for GFM to contractor, delivery schedule per appendix A. Shipments of GFM will include shipping document DD Form 1149 initiated by ANAD. Upon receipt of GFM material the contractor shall complete block nineteen (19) of DD Form 1149 and return form per instruction in block Four b (4. b.) within two (2) business days. The shields may be in a variety of conditions because they have been removed directly from Paladins undergoing overhaul at Anniston Army Depot. The shields will be subjected to the functionality requirements in the QAP of PN: 12945543 and only those meeting the functionality requirements will be furnished as GFM. ANAD will supply the contractor with Fifteen (15) 4 x 6 x 0.060 inch plates of MIL-A-12560H Class 1 RHA for testing (see 4.5.1.2.2). Appendix A contains a schedule of GFM deliveries, PN: 12945543, to the contractor.

4.2. The contractor shall provide all labor, tools, materials, parts, equipment and transportation back to ANAD, necessary to restore the GMBS to “new” condition and complete the tasks listed unless otherwise specified. The contractor shall furnish and install all Mandatory Replacement Parts (MRP) listed in appendix C. The contractor shall furnish transportation to deliver the restored GMBS to ANAD (see 8.1.1). Shipments to ANAD shall include a packing list identifying Items by name and part number (if applicable), quantity, and condition of material. The contractor is not responsible for correcting nonconforming steel dimensions. It is understood that the GFM may deviate from the TDP as a result of past Request for Waiver (RFW)/Request for Deviation (RFD)/Engineer Change Proposal (ECPs) and field use.

4.3. Upon award of the contract, the contractor shall meet with ANAD representatives to discuss task objectives and obtain a clarification of all design and repair considerations. The ANAD Contracting Officer Representative will be Haley Walker (halee.b.walker.civ@army.mil)

4.4. Refurbishment:

4.4.1. Contractor shall disassemble the Gun Mount Ballistic Shields.

4.4.2. Contractor shall remove fiberglass from steel on composite parts (PN: 12945546, 12945551, 12945560 and 12945569).

4.4.3. Contractor shall remove residual bonding material from steel.

4.5. Steel Plate Surface Preparation

4.5.1. Contractor shall prepare the steel surfaces of parts (PN: 12938754, 12945545, 12945549, 12945556) with the following additional requirements-

4.5.1.1. Method II of TT-C-490E shall be protected after sandblasting (sandblasted with Aluminum Oxide Media) to prevent surface contamination.

4.5.1.2. The contractor shall phosphate all of the parts per TT-C-490E, Type I. Within 24 hours after sandblasting, the parts shall be phosphate coated per TT-C-490E, Type I.

4.5.1.2.1. Phosphate coated surfaces shall be capable of meeting all requirements for Type I in Section 3 of TT-C-490E

4.5.1.2.2. The contractor shall maintain objective evidence of conformance to TT-C-490E paragraphs 3.5.7 and 3.5.8 per paragraphs

4.2.7 and 4.2.8 respectively, and forward results to ANAD. Pre- production testing of three panels, in accordance with TT-C-490E 4.2.8, is required. In production testing of 4.2.8 is not applicable. Six (6) test panels… forward to procuring activity – TT-C-490E 3.2.2. not required.

4.5.1.2.3. Test specimens shall be of the same material specification as the production parts, but do not need to be from the same lot.

4.5.2. Prime IAW with dry film thickness should be between 1.0 and 2.0 mil.

4.6. Fabrication of Steel-Fiberglass Laminate Composite

4.6.1. Contractor shall fabricate new composite parts in accordance with the following additional requirement-

4.6.1.1. The contractor shall bond laminate to the steel plate after primer has cured for at least 8 and no longer than 24 hours. If allotted time is exceeded, then bonding surfaces shall be scuff sanded, solvent wiped with isopropyl alcohol and re-primed in accordance with MIL-DTL-0053022C (minimum dry film thickness 0.5 mil, total dry film thickness shall be less than 2.0 mil).

4.6.1.2. Addendums

4.6.1.2.1. Profile of cured composite panel to be bonded to steel shall match the corresponding surface of the steel panel with no more than .100 inch difference when applying a 50lbf.

4.6.1.2.2. The uniform thickness requirement of 0.040 + 0.030 in section

3.3.3.2 shall be waived.

4.6.1.3. Acceptable edge profile for composite and steel bonded assemblies (drawings 12945551, 12945569, 12945546, 12945560) is 0.0”, -0.125”.

4.6.1.4. Dimensions shown on drawings 12979827 and 12979828 are for reference only and are not to be gauged.

4.6.1.5. In all cases MIL-L-64154 will be used in place of MIL-PRF-64154.

4.6.1.6. Addendum, the contractor can use the following bonding agent: Type 1, Class B-1 or Type 1, Class B-2 of AMS-S-8802B.

4.6.1.7. Contractor shall use molded fiberglass spacers to achieve specified adhesive thickness.

4.6.1.7.1. Spacers shall have a surface area of no more than 0.5 in2.

4.6.1.7.2. Overall thickness dimension of 1.03 - .06 on composite and steel bonded assemblies (drawings 12945551, 12945569, 12945546, 12945560) shall be considered a reference dimension.

4.6.1.8. The mated parts shall be kept under pressure in the holding device, as specified on the assembly drawing, and cured between 50 and 140 degrees Fahrenheit. The cure time shall be calculated using the following formula: time (in hours) = 8688.9e-0.0693T (where T = average cure temp in degrees F). The minimum cure time is 24 hours, regardless of the computed cure time.

4.7. Paint System

4.7.1. Contractor shall scuff sand and solvent wipe the entirety of each part with isopropyl alcohol.

4.7.2. Contract shall CARC paint every part with MIL-DTL-0053022C primer (dry film thickness between 1.0 and 2.0 mil) and contractor shall topcoat every part with MIL-DTL-53039B, color TAN 686A (33446) (minimum dry film thickness 1.8 mil).

4.8. Assembly

4.8.1. Contractor shall re-assemble complete GMBS using newly formed Steel- Fiberglass composite parts and required fasteners.

4.8.2. Chain, Spec. RR-C-271D, Type II, Class 3 is an acceptable substitute for Chain, Spec. RR-G-271, Type II, Class 2 on drawing 12945543.

4.8.2.1. Chain length shall be 6.5 – 7.0 inches.

4.8.3. Hook, McMaster Carr PN: 9378T23 is an acceptable substitute for Hook, MS87006-3 on drawing 12945543.

4.8.4. Functional tests 501 and 502 in the 12945543 QAP shall be performed with the assembly hardware “finger-tight”.

4.9. Configuration Control

4.9.1. The contractor shall not use any hardware that does not meet the technical data package or deliver to the Government without the approval of the Government. The contractor shall submit Request for Deviation (RFD), using MIL-HDBK-61A Paragraph 6.3 as guidance, to the Government when hardware deviates from drawing requirements prior to utilizing such hardware. (DI-CMAN-80640C)

4.10. Testing and Reporting

4.10.1. Only testing in this section is required, unless specified.

4.10.2. First Article Inspection results shall be furnished to ANAD

4.10.3. Contractor shall perform all testing of the laminate as required in MIL- L-65154.

4.10.4. Contractor shall perform all inspection requirements specified in all applicable Quality Assurance Provisions (QAP).

4.10.5. Contractor will consult with the COR detailing any problems with the repair procedure and providing recommendations for future repair procedures.

4.11. Product Assurance

4.11.1. Inspection System

4.11.1.1. The contractor shall have and utilize a quality system using the requirements of ISO 9001:2000 as guidance. All requirements of this SOW shall be addressed by the quality system.

4.11.2. First Article

4.11.2.1. The contractor shall submit First Article reports of all items in accordance with the requirements.

4.11.3. Certificates of Conformance

4.11.3.1. The contractor shall provide certificates of conformance or certified test reports when required by the Quality Assurance Surveillance Plan (QASP), appendix D, for all materials and processes. The certificates shall include actual test data or results that show compliance within allowable tolerances, when applicable. (DI-MISC-80678)

5. Environmental compliance

5.1 Contractor shall furnish evidence of the following within 30 days of contract award:

5.1.1 Copy of the contractor’s state – “Resource Conservation and Recovery Act (RCRA) permit to operate”.

5.1.2 Copy of contractor’s EPA ID number

5.1.3 Copy of a waste manifest, to show evidence of properly management, and disposal of hazardous waste.

6. Safety compliance

6.1. Contractor shall operate in accordance with local and federal safety regulations.

6.1.1 References:

29 CFR 1910 General Industry Safety and Health Standards 29 CRF 1960 American Standard Safety Codes

7. Packaging

7.1. Contractor shall follow packaging instructions in appendix E.

8. General Information

8.1. Shipment

8.1.1. Contractor shall ship refurbished and inspected Gun Mount Ballistic Shields (GMBS) to:

Anniston Army Depot 7 Frankford Ave. Bldg 513 Anniston, AL 36201 POC Brian Norman 520-671-0943

8.2. Delivery

8.2.1. Contractor shall deliver refurbished Gun Mount Ballistic Shields (PN: 12945543) in accordance with the schedule in Appendix B.

8.2.2. Deliveries of GFM appendix A, and contractor refurbished GMBS appendix B, are projected schedules based on expected work load.

8.2.3. Delivery of the first 20 GMBS assemblies to the contractor will be within 10 days of contract award.

8.2.4. Deviations from the governments scheduled deliveries to the contractor may occur due to production variances. When these deviations occur the contractor will have 60 days to refurbish the GMBS assemblies from date of receipt. The COR will coordinate the scheduling of these variances with the contractor.

9.0. Contractor Manpower Reporting:

The contractor shall report ALL contractor labor hours (including subcontractor labor hours) required for performance of services provided under this contract for the Anniston Army Depot via a secure data collection site. The contractor is required to completely fill in all required data fields using the following web address: http://www.ecmra.mil/, and then click on “Department of the Army CMRA” or the icon of the DoD organization that is receiving or benefitting from the contracted services. Reporting inputs will be for the labor executed during the period of performance during each Government fiscal year (FY), which runs October 1 through September 30. While inputs may be reported any time during the FY, all data shall be reported no later than October 31 of each calendar year, beginning with 2013. Contractors may direct questions to the help desk by clicking on “Sending an email” which is located under the Help Resources ribbon on the right side of the login page of the applicable Service/Component’s CMR website.

Appendix C Mandatory Replacement Parts (MRP), Contractor Furnished.

Assembly Hardware - and all fasteners – screws, bolts, nuts, washers, etc. are Considered MRP parts and shall be replaced 100%.

Appendix D Packing Instructions image1.png