Umpqua_dock-13227shops 1988_Redacted.pdf

This document is a technical shop drawing for U.S. Coast Guard vessel construction, specifically for SER. #C317. The drawing depicts detailed plans for a concrete float with comprehensive specifications for structural components, including deck layouts, ramp configurations, and pile hood mounting details. The document contains multiple plan views, cross-sections, and elevation drawings showing dimensions, material specifications, and construction methodologies.

The specifications include concrete float dimensions and weight calculations, detailed ramp landing platform configurations with specific measurements, pile hood installation details with structural steel requirements, and carriage bolt placements for structural assembly. Key specifications note that concrete floats shall be cast with aggregate weighing 150 lbs. per cu. ft., with a minimum compressive strength of 4,000 psi at 28 days, and reinforcement shall comply with ASTM A615 Grade 60. The drawing specifies welded steel mesh construction with ASTM A1064 specifications, compression test cylinders for concrete verification, and detailed installation instructions for various structural elements including railings, hardware, and mooring systems. All structural steel pipe and plates shall comply with ASTM A36 standards, and the design incorporates specific safety requirements for Coast Guard vessel applications. The document serves as the master construction reference for fabrication and assembly of this concrete float component.