5.6.4 Y-2496-1 Hopper Door.pdf

2 MB Posted

Attached to
USACE; Portland District Dredge Yaquina Overhaul
Solicitation number
W9127N25BA012
Issued by

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These are technical engineering design drawings for hopper door and frame assemblies for the Dredge Yaquina vessel, created by Norseman Corporation. The detailed schematics include multiple technical views and details at various scales, specifically focusing on:

  1. Hopper frame and door assembly with precise dimensional measurements, including details for casting, installation of wear surfaces, and specific manufacturing notes. The general notes specify that castings must comply with federal specification QQ-C-281, Class CS-95, and all machined surfaces on doors are to be finished according to specified requirements. The drawings include cross-sectional views, assembly configurations, and intricate details of components like retainer bars, gaskets, and structural elements with specific material specifications such as stainless steel components.

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