Closing soon

REQUEST FOR PROPOSAL BID [#26-07-4226SB]

Description: The Navajo Nation Department of Water Resources - Technical, Construction, and Operations Branch (NNDWR-TCOB) is seeking qualified contractors to provide a bid proposal for the Tohatchi Diversion Project in Tohatchi, NM. The project involves rehabilitation of an existing diversion structure to restore its ability to divert seasonal runoff into a channeling system to Chuska Lake (approximately 3 miles downstream). Work includes, but is not limited to: installation of new operating water gates (one larger main entrance gate and one smaller gate for the channel), sediment capture system(s) upstream of the diversion dam, cleaning and earth removal upstream and downstream (approximately 100 ft from the entrances with removal depth of 3–4 feet as needed), a reinforced concrete liner channel at the exit to Chuska Lake (run length not to exceed adjacent retaining length), development of a maintenance and operations training plan for the Red Willow Farm Board (RWFB), preparation and submission of an as-built report (stamped) including drawings and records, provision of a minimum one-year warranty on major components (water gates, sediment-capturing system, concrete liner channel and associated components), and a future design and cost estimate for a potential new diversion dam (Professional Engineer stamp requested). Contractor must obtain all necessary permits (e.g., Navajo Nation environmental permits such as 401/404 where applicable). Project submittals are required at 30-, 60-, and Final stages with meetings among Contractor, RWFB, and NNDWR to review progress. Conditions: Contractors must be an authorized, fully certified/licensed business and comply with Navajo Nation laws, rules, regulations and applicable federal requirements. Offerors must indicate priority status under the Navajo Nation Business Opportunity Act on the outside of the proposal package if applicable. Payment processing follows Navajo Nation Office of the Controller - Division of Finance procedures. The Navajo Nation reserves the right to accept or reject bids, to award all or part of the work, and to award based on best value (not solely lowest price). Preference will be given to Navajo and Indian-owned businesses per applicable Navajo Nation statutes. All work within the Navajo Nation is subject to a six percent (6%) Navajo sales tax; the Nation will withhold 6% from each payment for remittance to the Navajo Tax Commission. Evaluation: Bids will be evaluated by a bid committee using weighted criteria: Cost (25 points); Design & Build Experience (25); Scope of Work (20); Certifications (15); Completion Date of Bid (15). Required forms (W-9 and Navajo Nation Debarment and Suspension form) must be completed and returned with the RFP package; failure to return these forms or returning them blank will render the RFP non-responsive. The RFP references project location coordinates (35.862799°N, 108.766933°W). Schedule highlights: Advertising Date: September 16, 2026. Proposal Due Date: November 20, 2026 at 5:00 P.M.

Buyer
Navajo Nation

IndigenousGovernment · AZ, US

Released
Sep 16, 2026
Closes
Nov 20, 2026(6 days left)
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