Service Catwalk Assembly, Roof Air Handler

Industrial service catwalk designed to provide maintenance access to rooftop air-handling equipment. The design incorporates fabricated structural components, sheet-metal elements, and an integrated assembly developed for practical manufacturing and installation. The project demonstrates 3D CAD modeling, structural component design, mechanical assembly development, and design-for-manufacturing principles. Multiple assembly views illustrate the overall configuration, component relationships, and equipment access arrangement.