Detail Text Description
A detailed engineering drawing titled “Tunnel Tool-Kit,” created by the University of Michigan. It contains various sections and detailed views related to sidewalk/vault doors, drainage, and sump pump systems. The drawing includes multiple labeled sections, such as “Section A-A,” “Section B-B,” and “Section C-C,” depicting cross-sectional views of doors and drainage systems. The top left features a “Hatch Drainage Section,” with measurements and material specifications. The top right also elaborates on the “Exterior Tunnel Drainage System.” The center depicts “Sidewalk/Vault Door Detail,” with detailed annotations regarding their structure and installation. At the bottom, the “Vertical Ladder Detail” and “High Temperature Sump Pump Schedule” are illustrated.
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