Y--GRCA 257282 - Replace Wastewater Plant at South Ri

The National Park Service is seeking sealed‑bid proposals to replace the existing wastewater treatment plant at the South Rim Village of Grand Canyon National Park. The work includes complete demolition of the existing plant, design‑build construction of a new 0.65 MGD membrane‑bioreactor (MBR) facility, associated civil works (access road, grading, utility connections), construction of a compost facility, and a 12‑month operations‑and‑maintenance support period. The contract is a firm‑fixed‑price, three‑year award (Feb 1 2027 – Feb 1 2030) with a bid bond of up to $3 M and performance bonds equal to the contract price.