2026-05-27 SOW For Training Center Yorktown Tower Fabrication.docx

Statement of Work (SOW) Project Title: Fabrication and Shipping of MK20 EOSS ADSU Tower Project Location: U.S. Coast Guard Training Center, Yorktown, VA Reference Drawings: YD-187-002 (Sheets 1-7), Dated 20260515

1.0 Scope of Work

The Contractor shall provide all labor, materials, equipment, supervision, and testing necessary to fabricate, transport, and coat the structural steel tower. This includes all welding and inspection, as well as the application of the specified coating system in accordance with the reference drawings and this Statement of Work.

2.0 Applicable Documents

All work shall comply with the latest editions of the following standards:

· AWS D1.1/D1.1M: Structural Welding Code – Steel

· OSHA 29 CFR 1926: Safety and Health Regulations for Construction

· SSPC/NACE: The Society for Protective Coatings Standards

3.0 Fabrication and Welding

· 3.1 Materials: All structural steel shall be ASTM A36 unless otherwise specified. Substitution of a steel grade or alloy with a higher yield stress is authorized, subject to COR approval via submittal.

· 3.2 Welding Standard: All fabrication, welding, and inspection shall be performed in strict accordance with AWS D1.1.

· 3.3 Weld Specifications: Unless otherwise noted, all welds shall be 3/16" double fillet welds. All burrs and sharp edges shall be ground smooth.

· 3.4 Welder Qualifications: All welding shall be performed by welders currently certified in accordance with AWS D1.1.

· 3.5 Welding Procedure Specification (WPS): The Contractor shall submit a Prequalified WPS for A36 steel per AWS D1.1 for approval prior to the start of any fabrication.

4.0 Coating System

· 4.1 Standard: All new and disturbed steel surfaces shall be coated in accordance with SSPC/NACE: The Society for Protective Coatings Standards.

· 4.2 Surface Preparation: Prior to coating, all steel surfaces shall be cleaned to Commercial Blast (SSPC-SP 6) condition.

· 4.3 Final Color: The final topcoat color shall be Haze Gray, matching Federal Standard 595, Color 26270.

5.0 Quality Assurance & Inspection

· 5.1 Certified Welding Inspector (CWI): All welding inspections shall be performed by an AWS Certified Welding Inspector (CWI), who may be a third-party inspector.

· 5.2 Non-Destructive Testing (NDT): The Contractor is responsible for performing 100% Visual Testing (VT) of all welds.

· 5.3 Safety: All operations shall comply with OSHA 29 CFR 1926 regulations, including requirements for fall protection, personal protective equipment (PPE), and hoist operations.

6.0 Submittals

The Contractor shall submit the following documents to the Contracting Officer's Representative (COR) for review and approval at the specified times:

· 6.1 Pre-Construction Submittals:

1. Welding Procedure Specifications (WPS).

2. Welder Performance Qualification Records (WPQR).

3. AWS CWI Certification.

4. Proof of Material Used.

5. Progress Photos.

6. Electrical bonding and grounding plan.

7. Product data and color card for the proposed topcoat color Haze Gray, matching Federal Standard 595, Color 26270.

· 6.2 Pre-Final Acceptance Submittals:

1. Certified CWI inspection and reports.

2. Final report for coating thickness and quality control checks.

3. Final product review showing stairs assembly and tower attached and structurally sound.

7.0 Shipping

The contracted company is responsible for the safe transportation and delivery of the fabricated Tower to USCG Training Center Yorktown, VA. The specific location on Training Center Yorktown will be determined by the COR upon Tower completion.

8.0 Period of Performance (POP)

The Period of Performance for this work is 21 days from the day the Contract is awarded.