SOW.docx

1. SCOPE OF WORK (SOW)

1.1. Contractor shall provide Cofferdam Platform assembly and all materials required to complete the work as identified in sections 2 (Task A), 3 (Task B) and 4 (Task C). Work will be performed at the contractor’s facility or an authorized subcontractor facility and support VIRGINIA Class submarine work.

2. TASK A:

2.1. The contractor shall manufacture specialized VIRGINIA Class Cofferdam Platform assembly per drawings listed in section 5 (Reference Documents). Fabrication shall be IAW requirements identified in individual cofferdam fabrication drawings.

2.2. Any discrepancies or issues with fabrication shall be adjudicated by the appropriate Code 200 division/branch at PNSY (POC G. Simonoff, VACL Program Office).

2.3. The basic elements for the complete assembly are four welded steel panels bolted together, which form the basic cofferdam structure, two walking platforms, and hull attachment brackets and hardware. See sheet 9 of the Reference 5.1 drawing for an isometric view of the complete assembly.

2.4. All welding, with the exception of two weld joints involving HY-80 material, may be in accordance with AWS D1.1-94 for commercially procured fixtures/assemblies. The HY-80 welds shall be completed by personnel qualified to MIL-STD-1688 or MIL-STD-278. (Reference drawing notes 7026 and 7025, Reference 5.1.)

2.5. All surface finishes and protective coatings used in cofferdam assembly fabrications shall be IAW fabrication drawing requirements.

2.6. Upon completion/certification of fixtures, Contractor shall arrange/fund transportation to final destination currently planned for Portsmouth Naval Shipyard in Kittery Maine. Contractor shall provide crane/forklift services for loading completed fixtures onto transportation flatbed.

2.7. Material Requirements:

2.7.1. All material acquisitions and test hardware/equipment associated with VIRGINIA Class cofferdam assembly fabrications shall be the responsibility of the contractor.

2.7.2. The contractor will provide all mandatory and contingent replacement items required to complete the SOW’s task. During the execution of the SOW, if replacement item procurement availability is deemed as not supporting the project’s schedule, the contractor is to identify this item and notify DLA-M for distribution to PNSY technical personnel for assessment and approval.

2.7.3. All consumable materials/tooling shall be supplied by the contractor.

2.8. Required quantity:

2.8.1. Cofferdam Platform assembly, 1 each

2.8.2. Engineering drawings, 1 each

2.8.2.1. Specific to Portsmouth Naval Shipyard specifications

2.9. Origin inspection:

2.9.1. Prior to shipment to final destination, contractor shall host a one day origin inspection at their facility to Shipyard personnel to ensure build quality and conformity to supplied drawings and references.

2.10. To be delivered to: Portsmouth Naval Shipyard, Kittery, ME 03904

3. TASK B:

3.1. The contractor shall manufacture specialized VIRGINIA Class Cofferdam Platform assembly per drawings listed in section 5 (Reference Documents). Fabrication shall be IAW requirements identified in individual cofferdam fabrication drawings.

3.2. Any discrepancies or issues with fabrication shall be adjudicated by the appropriate Code 200 division/branch at PNSY (POC G. Simonoff, VACL Program Office).

3.3. The basic elements for the complete assembly are four welded steel panels bolted together, which form the basic cofferdam structure, two walking platforms, and hull attachment brackets and hardware. See sheet 9 of the drawing for an isometric view of the complete assembly.

3.4. All welding, with the exception of two weld joints involving HY-80 material, may be in accordance with AWS D1.1-94 for commercially procured fixtures/assemblies. The HY-80 welds shall be completed by personnel qualified to MIL-STD-1688 or MIL-STD-278. (Reference drawing notes 7026 and 7025, Reference 5.1.)

3.5. All surface finishes and protective coatings used in cofferdam assembly fabrications shall be IAW fabrication drawing requirements.

3.6. Upon completion/certification of fixtures Contractor shall arrange/fund transportation to final destination currently planned for Norfolk Naval Shipyard in Norfolk, Virginia. Contractor shall provide crane/forklift services for loading completed fixtures onto transportation flatbed.

3.7. Material Requirements:

3.7.1. All material acquisitions and test hardware/equipment associated with VIRGINIA Class fixture fabrications shall be the responsibility of the contractor.

3.7.2. The contractor will provide all mandatory and contingent replacement items required to complete the SOW’s task. During the execution of the SOW, if replacement item procurement availability is deemed as not supporting the project’s schedule, the contractor is to identify this item and notify DLA-M for distribution to PNSY technical personnel for assessment and approval.

3.7.3. All consumable materials/tooling shall be supplied by the contractor.

3.8. Required quantity:

3.8.1. Cofferdam Platform assembly, 1 each

3.8.2. Engineering drawings, 1 each

3.8.2.1. Specific to Norfolk Naval Shipyard specifications

3.9. Origin Inspection

3.9.1. Prior to shipment to final destination, contractor shall host a one day origin inspection at their facility to Shipyard personnel to ensure build quality and conformity to supplied drawings and references.

3.10. To be delivered to: Norfolk Naval Shipyard, 7811 Hampton Blvd, Norfolk, VA 23511

4. TASK C:

4.1. The contractor shall manufacture specialized VIRGINIA Class cofferdam platform and assembly per drawings listed in section 5 (Reference Documents). Fabrication shall be IAW requirements identified in individual cofferdam and assembly drawings.

4.2. Any discrepancies or issues with fabrication shall be adjudicated by the appropriate Code 200 division/branch at PNSY (POC G. Simonoff, VACL Program Office).

4.3. The basic elements for the complete assembly are four welded steel panels bolted together, which form the basic cofferdam structure, two walking platforms, and hull attachment brackets and hardware. See sheet 9 of the drawing for an isometric view of the complete assembly.

4.4. All welding, with the exception of two weld joints involving HY-80 material, may be in accordance with AWS D1.1-94 for commercially procured fixtures/assemblies. The HY-80 welds shall be completed by personnel qualified to MIL-STD-1688 or MIL-STD-278. (Reference drawing notes 7026 and 7025, Reference 5.1.)

4.5. All surface finishes and protective coatings used in cofferdam assembly fabrications shall be IAW fabrication drawing requirements.

4.6. Upon completion/certification of fixtures Contractor shall arrange/fund transportation to final destination currently planned for Portsmouth Naval Shipyard in Kittery Maine. Contractor shall provide crane/forklift services for loading completed fixtures onto transportation flatbed.

4.7. Material Requirements:

4.7.1. All material acquisitions and test hardware/equipment associated with VIRGINIA Class fixture fabrications shall be the responsibility of the contractor.

4.7.2. The contractor will provide all mandatory and contingent replacement items required to complete the SOW’s task. During the execution of the SOW, if replacement item procurement availability is deemed as not supporting the project’s schedule, the contractor is to identify this item and notify DLA-M for distribution to the appropriate PNSY technical personnel for assessment and approval.

4.7.3. All consumable materials/tooling shall be supplied by the contractor.

4.8. Required quantity:

4.8.1. Cofferdam Platform assembly, 1 each

4.8.2. Engineering drawings, 1 each

4.8.2.1. Specific to Joint Base Pearl Harbor Shipyard specifications

4.9. Origin Inspection

4.9.1. Prior to shipment to final destination, contractor shall host a one day origin inspection at their facility to Shipyard personnel to ensure build quality and conformity to supplied drawings and references.

4.10. To be delivered to: Pearl Harbor Naval Shipyard, 1942 Gaffney St, Pearl Harbor, HI 96860

5. REFERENCE DOCUMENTS:

5.1. H434-0250, NSSN Submarine Cofferdam Platform, Assembly & Details (Rev A)

5.2. H434-0251, NSSN Submarine Cofferdam Platform Weldment Details (Rev A)