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

The National Park Service is seeking a firm‑fixed‑price contractor to replace the aging wastewater‑treatment plant serving the South Rim Village of Grand Canyon National Park. The scope includes demolition of the existing plant, design‑build construction of a new 0.65 MGD membrane‑bio‑reactor (MBR) facility, associated civil works, utility connections, access‑road improvements, and a 12‑month operations‑and‑maintenance support period. The contract runs for three years (Jan 2027‑Jan 2030) with a performance window of 1,095 calendar days. The procurement is an open sealed‑bid competition with a revised proposal deadline of 18 Nov 2026 13:00 MS. • Full design and construction of a new wastewater‑treatment plant (structural, mechanical, electrical, civil). • Site work includes road upgrades, grading, utility tie‑ins, and temporary facilities. • Requires a bid bond (20 % of price or $3 M) and performance/payment bonds (100 % of contract price). • Must comply with NPS environmental, historic‑resource, and safety regulations (DEI, hazardous‑material, biobased‑product clauses). • Small‑business subcontracting goals: overall 30 % (including specific sub‑goals for disadvantaged, women‑owned, HUBZone, SDVOSB).