LEGAL ADVERTISEMENT
Fort Defiance, Apache County
Arizona
NAVAJO TRIBAL UTILITY AUTHORITY
REQUEST FOR PROPOSAL
ENGINEERING SERVICES –
ROUND ROCK SOLAR SUBSTATION
Navajo Tribal Utility Authority (NTUA) is hereby contacting qualified engineering consultant
firms who are knowledgeable in Rural Utilities Service (RUS) Rules & Regulations and interested
in providing engineering services for this project located in Round Rock, 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:
for the Proposal “DO NOT OPEN – ENGINEERING SERVICES - ROUND ROCK SOLAR
SUBSTATION (PROPOSAL)” and for the Cost “DO NOT OPEN – ENGINEERING
SERVICES - ROUND ROCK SOLAR SUBSTATION (COST)” and received by December
23, 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.