DI-SESS-82463
Temporary Alteration (TEMPALT) Technical Data Package (TDP)
Describes the format and content requirements for a Temporary Alteration (TEMPALT) Technical Data Package (TDP) documenting a ship's temporary alteration for Government review and approval.
Approval DateJanuary 17, 2025
AMSC NumberN10521
Preparing ActivitySH
Project NumberSESS-2025-001
OPR—
DTIC ApplicableNo
GIDEP ApplicableNo
Limitation—
Applicable Forms—
Approval Limitation—
Form Version—
DID Formatfree_text
963C CompliantYes
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.
Application & Interrelationship
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Use & Relationship
The Temporary Alteration (TEMPALT) Technical Data Package (TDP) provides the Government with documentation that describes the temporary alteration of the ship (including surface, submarine, unmanned vehicles, and other platforms). The TEMPALT TDP allows the Government to review design requirements that are applicable and appropriate for TEMPALTs and is intended to assure the ship's baseline characteristics are not compromised without proper consideration and approval.
This DID contains the format and content preparation instructions for the data product generated by the specific and discrete task requirements as delineated from the work task.
Preparation Instructions
1.1NAVSEA S9070-AA-MME-010/SSN/SSBN, TECHNICAL REQUIREMENTS MANUAL FOR TEMPORARY SUBMARINE ALTERATIONS
2FormatThe TEMPALT TDP shall be in the format, in accordance to Reference Document (a).
3ContentThe TEMPALT TDP shall include the following, in accordance with Section 2.6 of Reference Document (a):
3.1A copy of the Sponsor's request for TEMPALT installation authorizationa list of all platform(s) to which the TEMPALT is applicable, the TEMPALT type, the planned installation duration, any exceptions being requested for consideration, all forwarding letters/transmittals and the Government Point-of-Contact with desk and cell phone numbers and email address.
3.2The TEMPALT TDP shall contain, or indicate that it is exempt from, the following
3.2.1Appendix A - Installation Brief
3.2.2Appendix B - Alteration Impact Statement
3.2.3Appendix C - Stress Calculations
3.2.4Appendix D - Weight & Moment Records
3.2.5Appendix E - Hydrodynamic Calculations
3.2.6Appendix F - Integrated Logistics Support
3.2.7Appendix G - Shock Qualification Approval Letters
3.2.8Appendix H - TEMPALT Removal Instructions
3.2.9Appendix I - Alteration drawings
3.2.9.1Arrangement/Mechanical
3.2.9.2Electrical/Electronic
3.2.9.3Other types as applicable
3.2.10Appendix J - Other required calculations or references (e.g., Implodable/Explodable Volume Pressure Test Results)
3.2.11Appendix K - Copies of other approval letters approval (e.g., Lithium Battery approval)
3.2.12Appendix L - Conjunctive Temporary Engineering Change (TEC)
3.2.13Appendix M - Cybersecurity Requirements Documentation
3.2.14Appendix N - Supporting Documents (e.g., vendor specification sheets, Interface Control Drawings, Assembly Drawings)
3.2.15Appendix O - Electromagnetic Interference (EMI)/ Electromagnetic Compatibility (EMC) Reports
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