Filters Clear All Recent Upside Innovations’ OSHA-compliant Aluminum Stair Tower installation at an industrial tank farm, providing secure and efficient access to a set of tanks. An OSHA-compliant stair and catwalk platform system at a wastewater treatment plant. Constructed with industrial-grade aluminum for durable, chemical-resistant, and safe unloading of chemicals from semi-trucks. These platforms at a wastewater treatment plant were installed for personnel to safely perform maintenance.