Draft Tube Repair Pit Water Tight Door G_2646.pdf

This is a technical engineering drawing for a watertight door assembly (Door No. E12) produced by Willamette Iron and Steel Company in Portland, Oregon. The drawing provides detailed specifications for manufacturing and assembly of an industrial door unit with comprehensive dimensional annotations, cross-sectional views (Sections A-A, B-B, and C-C), and assembly instructions.

The document includes a list of materials required for fabrication, specifying quantities and material specifications (designated as A-7 material spec) for various components including plate stock, angles, channels, hinges, seals, fasteners, and hardware. Key assembly details are indicated through numbered callouts (G1-G35) referencing the bill of materials. The drawing specifies that work must be completed per related drawings G-2648, G-2647, and G-2652. Notes indicate that each assembly should be recessed, marked with identifying marks, and equipped with chains. The document bears an "APPROVED" stamp and includes signature authorization from the company's engineering department. The drawing references a hinge-door mechanism (G1) and includes specifications for door seals, drill patterns, and hardware mounting requirements. All corners are noted to be vulcanized for weathertight integrity.