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  5. ›Proposal for Residential Onsite Wastewater Treatment…

Navajo Nation·Arizona

Proposal for Residential Onsite Wastewater Treatment Services (OWTS) Installation for Baca-Prewitt Chapter

Closes 3/11/2026$300k – $800kRequest for Proposal
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Description

The Navajo Nation Fiscal Recovery Fund Office is seeking a qualified contractor to design, permit, and install residential on‑site wastewater treatment systems (OWTS) for homes within the Baca‑Prewitt Chapter. The work must be completed by December 31 2026 and includes site assessment, engineering design, permitting, construction, and final close‑out documentation. The solicitation requires sealed bids, a 10 % bid guarantee for contracts over $50,000, and performance/pay‑ment bonds at award. Preference will be given to Navajo‑certified firms, though non‑Navajo firms may compete if they are the lowest‑priced responsive bidder.

Attached files

Contact

Lyle C. Begay(Project Manager)

lyle.begay@navajo-nsn.gov

(928) 309-5539

Key dates

Opened
4/20/2026
Questions due
3/9/2026
Closes
3/11/2026
Projected award
3/13/2026
Duration
295 days

Last updated

Details

Type
Request for Proposal
Industry
Water Management and Sanitation
NAICS
238220
Solicitation №
RFP 26‑01‑3990SB, Rev. 1

Budget estimate

$300,000 – $800,000

No contract value is disclosed, but typical residential OWTS installations range from $12‑$18 k per home. Assuming 30‑40 homes in the Baca‑Prewitt Chapter, total contract value could fall between $360,000 and $720,000. Accounting for travel, overhead, and contingency, a realistic budget range is roughly $300k‑$800k.

AI estimate from the solicitation

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