This document provides details on a federal solicitation for a hydraulic system replacement project at Pike Island Locks and Dam. The U.S. Army Corps of Engineers, Pittsburgh District, is seeking to replace the central hydraulic system for the main and auxiliary lock chambers, including new hydraulic power units to be located in six precast buildings. The selected contractor will be responsible for installing new power, control and fiber optic cables; furnishing and installing the six hydraulic power units and associated stainless steel piping and hydraulic oil; furnishing and installing the precast buildings; installing new motor control center equipment; demolishing the existing central hydraulic system and oil lines; and properly disposing of removed components and waste materials. Construction must occur while maintaining operations of the lock and dam, and lock closures for new equipment installation and testing will require approval and must be minimal. The solicitation number for this opportunity is W911WN23B8005.