Y--GRCA 257282 - Replace South Rim Wastewater Treatment Plant, Grand Canyon, AZ

The National Park Service (NPS) is seeking a contractor to replace the South Rim Wastewater Treatment Plant at Grand Canyon National Park in Arizona. The project involves constructing a new 0.65 MGD Membrane Bio-Reactor wastewater treatment plant, including new treatment facilities, administrative and support buildings, utilities, and process systems. The scope of work includes site preparation, relocation of existing storage, installation of process facilities, and complete demolition and removal of existing WWTP infrastructure. The project also includes site improvements such as grading, paving, fencing, and a 12-month operational support period. • The project is located in a rural area with limited staging room available. • The park will remain open during construction, and contract activities and logistics must be structured to minimize visitor impact. • The site requires protective measures to ensure the surrounding area remains undisturbed. • The anticipated period of performance is 1095 calendar days, including potential weather shutdown and winter construction. • The construction magnitude is more than $100,000,000.00.