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MANUELITO CHAPTER SEWAGE LAGOON IMPROVEMENT BID REFERENCE #26-10-4323JB

Description: The Navajo Nation Division of Community Development (DCD), Capital Projects Management Department (CPMD) on behalf of the MANUELITO CHAPTER HOUSE in Manuelito, New Mexico, invites qualified contractors to submit proposals for the improvement of the Manuelito Chapter House sewage Lagoon. This Request for Proposals (RFP) accounts for a preliminary evaluation of the offeror(s) qualifications, proposed scope of work, site knowledge, and project timeline. The Navajo Nation reserves the right not to award a contract under this RFP and may issue a new RFP for the same services at its discretion. Proposal Documents include the Request for Proposals, the Proposal Form, other proposing and contract forms including any addenda issued prior to receipt of proposals. The Contract Documents proposed for the Work consists of the Owner-Contractor Agreement, the Conditions of the Contract (General Supplementary and other conditions), the Scope of Work and all Addenda issued prior to and all Modifications issued after execution of the Contract. Contract Documents will be sent out by CPMD/Project Manager and sent by email. No Mandatory Pre-Proposal Conference for this project. A MANDATORY site visit with the Manuelito Chapter House is A MUST for all Contractors submitting a proposal. To schedule a visit, contact Regan Hawthorne, CSC at (505) 905-3073. Participation in the site visit is a critical part of the proposal evaluation criteria. Proposals will not be accepted without a signed Site Visit Acknowledgment Form. Before submitting a proposal, proposers shall carefully examine the scope of work documents, visit the site of the work, and fully inform themselves as to all existing conditions and limitations, and shall include in the proposal a sum to cover the cost of all items included in the Contract. Schedule of RFP Activities: - Deadline to Submit RFP Questions: November 11, 2026 - Deadline for RFP Submittal: November 13, 2026 - Proposal Opening Evaluations: November 13, 2026 This Request for Proposals (RFP) is issued by the Capital Projects Management Department (CPMD) on behalf of the Manuelito Chapter House, in accordance with Navajo Nation laws and regulations. CPMD is the sole entity authorized to reproduce or distribute this RFP. By participating, the Offeror agrees to maintain the confidentiality of all related materials and information, limiting access strictly to personnel on a need-to-know basis within its organization. All questions regarding this RFP must be submitted in writing to the Project Manager no later than 5:00 PM (local time in Window Rock, AZ) on November 11, 2026. Written responses to all submitted questions, along with any RFP amendments, will be issued in writing to all parties who have submitted a completed Acknowledgement of Receipt Form. Submission of Proposals: All Offeror submittals must be received no later than 4:00 PM (MST) on November 13, 2026, for review and evaluation. Submittals received after this deadline will not be accepted or considered. Submittals must be addressed and delivered to the Navajo Nation Procurement Department, P.O. Box 3150, Window Rock, AZ 86515 if USPS Mail. U.P.S. or FEDEX are preferred methods of delivery; if not hand delivered, to 2559 Window Rock Blvd, NN Admin Bldg. #1, 1st Floor South, Window Rock, AZ 86515. Proposal preparation and submission requirements: Proposals must be made upon the provided PROPOSAL FORM; all blank spaces filled; signature in longhand; no alterations or erasures. Where proposer is a corporation, sign with legal corporate name and state of incorporation and by an officer authorized to bind the corporation. Proposals shall be delivered in an enclosed sealed envelope, marked "Manuelito Chapter Sewage Lagoon Improvement, DO NOT OPEN", shall bear the name of the proposer and the proposer's address as it appears in the Navajo Nation Business Regulatory Source List - Latest Edition. Provide Navajo Nation Business Regulatory priority number assigned to the firm on the OUTSIDE of the envelope. Submittals sent by facsimile or any other electronic method will not be accepted. If hand delivered, ensure the RFP packet is time-stamped prior to departure. Opening of Proposals: All eligible proposals shall be opened at the Navajo Nation CPMD Conference room on November 4, 2026. (Note: RFP schedule elsewhere lists November 13, 2026 for opening/evaluation.) Proposals shall be opened in accordance with Navajo Business Opportunity Act and Navajo Nation procurement procedures. Selection Committee and Evaluation: A Selection Committee of at least two persons (one from CPMD and one from the Chapter) will review, evaluate, and rank proposals. Evaluation criteria include Site Visit confirmation (30 points), Contractor License, W-9, Navajo Nation certifications, responsibility for subcontractors, bid security (if over $50,000), and Cost Proposal (30 points) for a total of 100 points. The CPMD will notify the finalist in writing of final selection. Guarantees, Bonds, Insurance and Compliance: Bid Guarantee of 10% is required for proposals over $50,000. Performance and Payment Bonds are required prior to final contract award (generally 100% performance bond; 50% allowed with additional measures). Insurance minimums specified (Commercial General Liability $1,000,000 per occurrence/$2,000,000 aggregate; Auto Liability $1,000,000; Workers' Compensation and Employers Liability $1,000,000). Contractor must comply with Navajo Nation laws including Navajo Preference in Employment and Navajo Nation Business Preference Law. Contractor must obtain all permits, inspections, and utility locates as applicable and coordinate with Navajo Nation Environmental Protection Agency where required. Scope of Work (summary): Project Location: Manuelito Chapter Sewage Lagoon Improvement, Manuelito Chapter, 26b Hunters Point Rd, Mentmore, New Mexico 87319. The work includes evaluation, design, development and improvement of the Chapter sewer lagoon system (two-cell lagoon: Cell 1 primary treatment; Cell 2 secondary). Services requested include sludge removal and assessment, liner addition or replacement, baffling curtain installation, lift pump station installation (if applicable), disinfection system(s) (if applicable), replacement of pipelines and defective equipment to meet NNCWA/NNEPA/Surface Water Quality standards, identification and remediation of infiltration/inflow and structural/hydraulic defects, geotechnical investigations, embankment/dike design, fencing around cells, earthwork per Navajo Tribal Utility Authority standards, final inspection, as-built drawings, testing, and a minimum one-year warranty. Material specifications and design data requirements are detailed, including sewer main schedule/class, pump make/model and performance, liner materials, septic tank materials, chemicals for treatment and usage, number and type of service connections, estimated flows, hydraulic analyses, pump design, septic tank capacity, geotechnical borehole logs, percolation and compaction tests, absorption rates, embankment design, freeboard justification, and topographic mapping (2-foot contour interval referenced to NAVD88). Fencing: Chain link fencing for Cell 1 and Cell 2 per ASTM standards; max 10 feet height; windload and coating requirements. Pre-construction requirements: Mandatory site visit (schedule with contact), notify NNEPA before earthwork and during construction, verify dimensions and property conditions, protect existing structures/utilities/roads/vegetation, obtain permits and inspections, provide traffic/pedestrian control, comply with applicable building/plumbing/electrical/mechanical/wastewater and Clean Water Act requirements, and properly dispose of waste materials. Final inspection and completion deliverables: clean site, provide test results (lamp, pressure/leakage, air tests), compaction and liner test results, correct deficiencies, provide operation/maintenance acceptance letter from responsible entity, provide plans/profiles/elevations and as-built drawings, test plumbing/electrical fixtures, conduct final inspection with CPMD and Chapter representatives, complete close-out documentation, and transfer manufacturer warranties. Submittal Requirements/Evaluation: Mandatory submittals include Site Visit Acknowledgement Form signed and dated; proof ability to obtain Performance & Payment Bond; proof of licensing; Navajo Nation certifications (Debarment/Suspension/Contracting Eligibility; Non-Collusion); Current IRS W-9; Navajo Nation Responsibility for Subcontractors and Exhibit; for proposals > $50,000 a Bid Security equal to 10% of total; Cost Proposal in a separate sealed envelope labeled: MANUELITO CHAPTER HOUSE SEWAGE LAGOON IMPROVEMENT COST PROPOSAL. Attachments A through H are listed (Site Visit Acknowledgement Form, Cost Proposal Form, Navajo Nation certifications, W-9, Responsibility for Subcontractors, Proof ability to obtain bonds, Non-Collusion certification, etc.). Contact/Project Manager: Art Hardy, Project Manager, Capital Projects Management Department, P.O. Box 1510, Window Rock, AZ 86515. Phone: (928) 357-6862. Email: ahardy@nndcd.org. The Navajo Nation reserves the right to reject any or all proposals, waive informalities, refuse contract execution under specified conditions, and require compliance with Navajo Nation procurement rules and applicable federal, state, and tribal laws.

Buyer
Navajo Nation

IndigenousGovernment · AZ, US

Released
Oct 27, 2026
Closes
Nov 13, 2026(8 days left)
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