Tunnel 9 Pitch Upgrade

The Arnold Engineering Development Complex (AEDC) Tunnel 9, located in Silver Spring, MD, requires the comprehensive modernization of a high-performance hydraulic motion system. The scope of this Firm Fixed-Price (FFP) requirement includes the design, engineering, procurement, off-site fabrication, pre assembly, on-site demolition, installation, and commissioning of core system components. All components must comply with ASME B31.1, ASME BPVC VIII, and ISO 4406 standards. Core components include: • Primary control valve (step response time of 55 ms or less) • Main actuating cylinder (working stroke of 120.5” capable of achieving a linear speed of 13 ft/s) • Hydraulic Power Unit (HPU) • Dedicated filtration and cooling "kidney" loop.