LEGAL ADVERTISEMENT
Fort Defiance, Apache County
Arizona
NAVAJO TRIBAL UTILITY AUTHORITY
REQUEST FOR PROPOSAL
SANITARY SEWER EVALUATION STUDY
Navajo Tribal Utility Authority (NTUA) is hereby contacting professional engineering consultant
firms to conduct sanitary sewer evaluation surveys which include a study and analysis for
wastewater collection systems along with recommendations for SSES improvements to evaluate
system reliability and capacity for locations in Chinle, Kayenta, and Tuba City, Arizona
Instructions and Scope of Work can be obtained from Avis Jimm, Contract Administrator, at (928)
729-6243 or by email avisj@ntua.com or at NTUA Purchasing Department, North Navajo Route
12, Fort Defiance, Arizona.
Proposal and Cost shall each be submitted in separate sealed envelopes clearly marked per site:
for the Proposal “DO NOT OPEN – SANITARY SEWER EVALUATION STUDY
(PROPOSAL)” and for the Cost “DO NOT OPEN – SANITARY SEWER EVALUATION
STUDY (COST)” and received by December 19, 2025 at 5:00 p.m. (DST). No late, facsimiled,
or electronic mailed proposals will be accepted.
To ensure delivery by the due date and time, all proposals should be addressed to:
PHYSICAL ADDRESS:
Navajo Tribal Utility Authority
ATTN: Avis Jimm, Purchasing Department
North Navajo Route 12 (Fed Ex/UPS/Hand-Deliver)
Fort Defiance, Arizona 86504
Preference will be applied in accordance with the Navajo Business and Procurement Act (12
N.N.C. § 1501 et seq.); the Navajo Nation Procurement Act (12 N.N.C. § 301 et seq.); the Navajo
Nation Business Opportunity Act (5 N.N.C. § 201 et seq.) and other applicable statutory and
regulatory requirements. Proposers must submit evidence of their Preference Priority Certification
if applicable.