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This document is an ABS-approved technical drawing for a Watertight Aluminium Door (Type WRD A3 with Quick Acting mechanism) designed for the NOAA Ship Thomas Jefferson. The detailed engineering blueprint includes multiple views (inside view, outside view, cross-sections) and a comprehensive parts list specifying components such as door leaf, coaming, gasket, rim, handles, and hinges, all fabricated from aluminum with specific dimensional specifications. The drawing indicates the door is rated for watertight integrity, with surface treatment of sandblasted and primed aluminum, and includes technical notes about hinge placement, weight approximations, and EMC grounding details. The drawing is scaled at 1:12 for inside/outside views, with additional cross-section views at 1:6 and 1:25, providing precise manufacturing and installation specifications for marine vessel doors.

The technical drawing is part of a federal contract opportunity (Solicitation Number 1305M225R0034) for NOAA Ship Thomas Jefferson FY26 Dockside Repair Services, issued by the Department of Commerce's National Oceanic and Atmospheric Administration. The special notice indicates that these drawings and reference materials are being made available to previously selected IDIQ (Indefinite Delivery/Indefinite Quantity) contractors, with the purpose of providing alternative access to documentation to support proposal preparation for dockside repair services.