Y-2496-2 Arrgt and Details Hopper Doors Operating Gear.pdf

This document is a detailed engineering drawing set for a dredge yaquina operating gear assembly. The drawings depict the complete mechanical design and specifications for an overflow trough and hopper door operating cylinder system used in dredging operations.

The technical specifications include multiple detailed cross-sections, elevation views, and component assemblies showing hydraulic cylinders, upper and lower bearing supports, hopper doors, lifting links, and guide bearings. The drawings reference several standard details (15-A through 21-A) and provide scale measurements in both feet and inches. Key components include forged steel elements, alloy steel construction materials meeting ASTM standards, welded assemblies with flanged connections, and precision-machined parts. The document includes a bill of materials listing various hydraulic cylinders, tanks, tanks, structural elements, and miscellaneous hardware components required for assembly. The design incorporates multiple hydraulic operating systems with detailed specifications for pressure ratings, dimensions, and installation requirements. General notes specify that all materials must conform to specifications, welded parts must meet AWS standards, and installation must follow the engineering plans provided. The drawing references indicate this is a comprehensive design package prepared by Morshrco for the U.S. Army Corps of Engineers, District Office in Portland, Oregon, with design agent listed as Jim C. of Virginia and engineering approval documentation included.