25RA001_Plans_amend007_29May25.pdf

These are technical engineering resource drawings for the Ice Harbor Dam Intake Gate Hydraulic System Upgrades project by the US Army Corps of Engineers. The documents include multiple detailed technical drawings showing hydraulic system schematics, transverse sections, and indicator assembly views for a complex mechanical system. The drawings (sheets MD504, M-101, M-504, and M-602) provide comprehensive technical specifications for components including reservoir tanks, hydraulic power units, headers, cylinders, and valve arrangements. The drawings use standard engineering symbology and include legends detailing mechanical and hydraulic component icons, with views from multiple perspectives (top view, front view, transverse sections) to illustrate the intricate mechanical design of the intake gate hydraulic system.

The technical drawings appear to be part of the solicitation (W912EF25RA001) for upgrading the hydraulic systems at Ice Harbor Dam, with the US Army Corps of Engineers Walla Walla District as the contracting agency. The drawings provide precise mechanical and hydraulic system details that would be critical for potential contractors to understand the exact specifications and requirements for the system upgrade project.