J-1a Drawing wp-d-601-41812-t-a-6.pdf

This is a technical architectural drawing document for a Low Activity Level Airport Traffic Control Tower (CAB - Cab Column Raceway) facility at San Luis Obispo Airport, prepared by the Federal Aviation Administration under the Department of Transportation.

The document provides detailed construction specifications and plans for the cab roof and structural components of the control tower. Key details include a cab column raceway use schedule identifying six use designations (antenna conduits, cable protection, cable routing, lighting/power, FAA, and FAA protection), roof drain specifications, scupper details with measurements and material callouts (metal deck, insulation, flashing), down conductor column entry specifications, light gun housing dimensions and placement, and ceiling hatch construction details. The drawings include multiple cross-sectional views (sections and isometric views) with precise measurements in feet and inches, material specifications (steel beams, metal deck, insulation types), and construction notes referencing standard building practices. The document is signed by Program Engineering & Manufacturing Services with approval dates and project reference numbers, indicating this is a completed design specification ready for construction or contract bidding purposes.