Security & Access

Attention Vendors and Contractors
Important information regarding Naval Base Access!

Effective July 1, 2017 all contractors, suppliers and vendors with NCACS credentials issued after April 17, 2017 must have a DBIDS credential for base access.

For more information regarding Naval Base Access and the Defense Biometric Identification System (DBIDS) credential, please access the link below:

Contractors/ Vendors wishing to access Naval Bases in San Diego will now be required to obtain one of the following access type passes/badges for entry:

  1. DBIDS (Defense Biometric Identification System) Credential – Access Badge (Issued by Pass & Decal at Naval Station San Diego, )
  2. CAC Badge – (Issued by Government Sponsor- SWRMC)
  3. Day Pass – (Issued by Pass and Decal at Naval Station San Diego daily)

For contractors, vendors and suppliers, only:

  • If you were issued an NCACS credential prior to April17, 2017, your NCACS credential will remain in effect for base access through August 14, 2017, when NCACS credentials will no longer be valid.
  • If you are issued an NCACS credential between April 17, 2017 and June 30, 2017 you will also be required to obtain a DBIDS credential in order to obtain base access.
  • Any new contractor, vendor or supplier requesting base access after June 30, 2017 will be required to obtain a DBIDS credential. NCACS credentials will no longer be issued.
  • Only DBIDS credentials will be issued to all contractors, vendors and suppliers seeking base access after June 30, 2017. 

Please contact NASSCO Security Administration for DBIDS Sponsor Information or further details at


Government security requirements and export regulations require NASSCO to enforce strict access control procedures for all employees and visitors to our facility. All visitors to NASSCO’s facilities, including customers, contractors, suppliers, vendors, and temporary employees, must comply with the following procedures:

    • Each visiting organization or individual must submit to NASSCO’s Security Office a visit letter on NASSCO’s Visitor Authorization Letter (VAL) form prior to arrival. The VAL must specify the purpose of the visit, the locations to be accessed, the duration of the requested visit, and the appropriate contact person at NASSCO. In addition, the letter must include the following information on each employee:
      1. Name – Last, First and Middle
      2. Position/Title
      3. Last Four Digits of Social Security Account Number
      4. Date of Birth
      5. Place of Birth – must include city, and state or country
      6. Citizenship
      7. Document Number, if born outside of the USA
        • If the employee is a Naturalized U.S. citizen, the document number must be included.
        • If the employee is a non-U.S. citizen, the country of citizenship must be listed with an indication of temporary or permanent alien status. The alien registration number must also be included. 

          USA, Naturalized or Mexico
          Naturalization Certificate Number or Permanent Resident A#01234567
      8. Acknowledgement of completion of a background check and drug screening regarding each employee, accompanied by a copy of the background check results (if not designated a NASSCO “Trusted Contractor”). A background check encompasses a criminal check (Federal and State) and credit check (when applicable).
      9. Revolving Door check acknowledgement
    • Each company is required to verify the citizenship status of their employees. Employees claiming to be U. S. Citizens must have their citizenship verified by their respective employers by examining one of the acceptable documents (ref. NISPOM Paragraph 2-207) indicated below:
      • Birth Certificate. Birth certificates must contain the raised, impressed, or multicolor seal of the registrar’s office. All documents submitted to your company as evidence of birth in the U.S. must be original or certified documents.
      • Certificate of Naturalization

      If citizenship was acquired by birth abroad to a U.S. citizen parent or parents, the following is acceptable evidence:

      • Report of Birth Abroad of a Citizen of the United States of America (form FS-240)
      • Certificate of Birth (Form FS-545 or DS-1350)
      • U.S. Passport or Passport Card (current or expired)
      • Record of Military Processing – Armed Forces of the United States (DD Form 1966), provided it reflects U.S. citizenship.

      Foreign Nationals claiming to be permanent residents of the United States must have their status verified by examining the following document:

      • Permanent Resident Card, Form I-551.
    • Visit Authorization Letters (VALs) must be certified by a representative of the subcontracting company attesting to the truth and accuracy of information contained on the form. This can be accomplished by several methods. The VAL can be signed, scanned and electronically transmitted, or faxed, or mailed to NASSCO. In the alternative, a separate, signed cover letter may be crafted to accompany the VAL. The letter can be scanned and electronically transmitted, or faxed, or mailed to NASSCO with the VAL. In either instance, electronic transmission is preferred.Each VAL (or VAL plus accompanying cover letter) sent to NASSCO containing updates, additions, deletions and/or revisions to personnel lists must be signed by a representative of the subcontracting company certifying all changes.VALs may be e-mailed to the attention of NASSCO’s Security Administration Department at the following address:securityadmin@nassco.comVALs may be faxed to (619) 544-8599.VALs may be mailed or delivered to: Security Administration
      General Dynamics – NASSCO
      2798 East Harbor Drive
      San Diego, CA 92113
    • NASSCO requires that prior to gaining access to its facilities, and/or access to naval vessels, subcontractors shall provide current Certificates of Insurance evidencing all insurance coverages and endorsements as required by the contract or agreement. Please contact Risk Management at 619-544-8719. 
    • NASSCO’s Safety Department requires that the Notice of Safety Requirements and Safety Brochure be reviewed and the appropriate documentation returned prior to the start of any work. Utilize the following guideline to determine tier level and the corresponding safety requirements.

Supplier Qualification Guidelines


Review Notice of Safety Requirements Review NASSCO Safety Brochure and Video Review NASSCO Safety Policy Complete Tier 2 Safety Certificate of Compliance Complete Tier 3 Contractor Safe Practices Survey Submit your Company Safety Manual/IIPP Complete LO/TO Training and submit Roster (pg. 8 of tier 3) Provide Copies of OSHA 10-Hour Certification Submit SDS Review Forms Comply with Fall Protection Removal Request process
DOC Notice of Safety Req Safety Brochure

Safety Video

Safety Policy Tier 2 Tier 3

Fillable Version

N/A LO/TO N/A SDS Review Form & MSD Online Guide Fall Protection Removal
TIER 3 N/A IF work scope requires lockout/ tagout process IF working onboard a Navy Repair Ship IF working with chemicals/ hazardous material IF work scope involves removal of fall protection

Tier Classification:
Tier 1 suppliers are those who meet the following criteria:
Suppliers/subcontractors under NASSCO contract who will not enter NASSCO facilities at any time to provide services. Tier 1 excludes laboratories or other entities that require specific safety knowledge and/or qualifications; these suppliers/subcontractors will follow Tier 3 requirements.

Tier 2 suppliers are those who meet the following criteria:
Delivery: Suppliers / subcontractors who are required to enter the shipyard or any other NASSCO facility who only deliver materials or supplies to NASSCO warehouses or non-production NASSCO facilities.

Visitor: Suppliers/Subcontractors who are required to enter the shipyard or any other NASSCO facility for meetings, consulting, or catering deliveries in non-production NASSCO facilities.

Tier 3 suppliers are those who meet the following criteria:
Shipyard and Ships: Suppliers/subcontractors who are required to conduct work within productions areas of the shipyard, ships at NASSCO facilities, Naval Facilities, office buildings or any other NASSCO facility.

Service: For contract work consisting of engineering services, consulting in production areas, laboratories, on-sight catering in production areas, servicing office equipment, and construction management or construction services.

It is your company’s responsibility to know and comply with the safety requirements of each job, including work specifications, applicable NAVSEA Standard Items, Federal OSHA, and Cal-OSHA Standards, NASSCO Lockout/Tag out policy, and other relevant standards. Your company is responsible for providing the necessary training to ensure that your employees adhere to the applicable requirements while working at NASSCO facilities.

Email questions and required documents to NASSCO’s Safety Department at the following address:

VI. NASSCO Environmental Requirements 

Subcontractors and other entities planning to work within the NASSCO shipyard and/or onboard ships berthed at NASSCO must obtain approval from Environmental Engineering prior to conducting any of the following activities:

  • Abrasive Blasting
  • Painting, Coating
  • Solvent Use
  • Adhesive Use
  • Welding
  • Thermal Spraying
  • Fiberglass or Polyester Resin Layup
  • Delivery of Fuel to equipment, tank or vessels
  • Over Water Transfers (oil, fuel, chemical flushing, oily water, etc.)
  • Generation and/or Disposal of Non-Hazardous Wastewater (bilge, ballast, hydro-blast, flushing, gray water, etc.)
  • Generation of Hazardous Waste
  • Transportation of Hazardous Waste
  • Operation of Portable or Off-Road Diesel Engines
  • Services of Repair of Refrigeration Systems or use of CFCs

Please follow the link below for more detailed information and the most current forms:

Environmental Procedures for Contractors, Team Members, and Third Parties – General Dynamics NASSCO

It is your company’s (and any subcontractors) responsibility to know and comply with the NASSCO San Diego Environmental Program requirements for the activities you will perform. Failure to follow NASSCO environmental procedures may result in revocation of access to NASSCO facilities.


For a list of categories of Personal Information NASSCO collects, please see Categories of Personal Information Collected. The reasons NASSCO collects this information are described in Personal Information Collected. NASSCO retains individual Personal Information in the course of scope of processing employment with NASSCO and to conducts its business, and as long as is required by law. NASSCO does not sell or share your Personal Information. NASSCO’s Privacy Policy may be found here