Proposal for Facility Infrastructure and Systems Upgrade

The Navajo Nation Department of Corrections is seeking a single‑vendor contractor to perform a comprehensive upgrade of the Tuba City Juvenile Detention Center’s infrastructure systems. The scope includes replacing water‑heater units with high‑capacity boilers, installing a back‑flow preventer, servicing and cleaning HVAC units and ducts, testing the on‑site generator, upgrading the water‑treatment plant, and installing multiple rooftop access ladders, all accompanied by a five‑year preventative‑maintenance program. The contractor must deliver detailed technical proposals and a separate sealed cost envelope, comply with tribal procurement rules, and meet a strict submission deadline of 21 Nov 2025. • Upgrade water‑heater systems to two Parker Kelly Mach N’Roll C1050 LP NURO boilers with associated tanks, piping, and controls. • Perform HVAC gas‑pack unit service, duct cleaning, generator testing, and install anti‑scale water‑treatment devices. • Provide installation of eight rooftop ladders of varying heights and a secure ground‑to‑roof access ladder. • Submit three sealed technical copies plus a separate sealed cost envelope; include licenses, insurance, performance bond, and Navajo debarment forms.