Y--NGWSP BLOCK 2-3 HDD

Amendment / Modification

This amendment (0002) to solicitation 140R4026R0002 provides updates and clarifications. It includes:

• Responses to submitted questions from potential bidders.

• Updates to several specification sections, including:

  • 01 14 10 Use of Site
  • 01 14 12 Work Restrictions and Limitations
  • 01 33 00 Submittals
  • 01 56 32 Temporary Safety Fence
  • 01 57 40 Pesticides
  • 01 57 60 Protected Species

• An update to the "Gravel Surfacing" item (32 15 10).

• A revision to Drawing Sheet 8 of 1695-D-62139 Nenahnezad Bluff Plan and Profile.

• The Period of Performance for "Gravel Surfacing" has been updated to 05/20/2026 to 09/21/2027.

• Specifications: 01 14 10, 01 14 12, 01 33 00, 01 56 32, 01 57 40, 01 57 60.

• Item 32 15 10 Gravel Surfacing.

• Drawing Sheet 8 of 1695-D-62139.

• The amendment acknowledges that offers may need to be adjusted based on the included questions and answers, and the updated specifications and drawings. Bidders are reminded to acknowledge receipt of this amendment and to reference it if changing an offer already submitted. The effective date of this amendment is 11/17/2025.

Amendment / Modification

This document is Amendment No. 002 to the solicitation. It revises several sections of the original solicitation, including:

• Section 01 14 10 - Use of Site: Details requirements for land use, landscape rehabilitation, and optional onsite security plans.
• Section 01 14 12 - Work Restrictions and Limitations: Outlines allowable work hours, noise and light restrictions, traffic control, and specific restrictions for Shumway Arroyo, San Juan River, and Chaco River HDD operations.
• Section 01 33 00 - Submittals: Specifies submittal requirements, types (Action and Informational), general requirements, drawing specifications, product data, certifications, manuals, and submittal procedures, including review times and return policies.
• Section 01 56 32 - Temporary Safety Fence: Details the requirements for safety fence, including materials, dimensions, installation, maintenance, and removal.
• Section 01 57 40 - Pesticides: Covers measurement and payment, definitions, reference standards, submittals for qualifications and pesticide use plans, allowed pesticides, and application procedures.
• Section 01 57 60 - Protected Species: Addresses project conditions related to protected species (Migratory Birds, Mesa Verde Cactus, Raptors, Ferruginous Hawk, Burrowing Owl, Kit Fox, Prairie Dogs), special requirements for each, and procedures for discovery of resources.
• Section 32 15 10 - Gravel Surfacing: Outlines measurement and payment, reference standards, submittals, products (gravel, water, geotextile), and execution procedures for placing gravel surfacing.

Sections 01 14 10, 01 14 12, 01 33 00, 01 56 32, 01 57 40, 01 57 60, and 32 15 10 have been revised or added.

Bidders should review all revised sections carefully as they impact project execution, site management, environmental compliance, and material specifications. Specific attention should be paid to submittal deadlines and requirements outlined in Section 01 33 00, as well as the detailed work restrictions and protected species protocols.

Form / Attachment / Pricing Sheet

This document contains engineering drawings and a drill hole log related to the "Proposed Nenahnezad HDD" (Horizontal Directional Drilling) for the Navajo-Gallup Water Supply Project, San Juan Lateral Block 23.

• Plan View: Shows the proposed HDD alignment, existing infrastructure (waterlines, telecom lines, roads), and topography.
• Profile View: Depicts the vertical alignment of the proposed HDD, including starting and ending points, elevations, and pipe lengths.
• Drill Hole Log: Provides geological information for drill hole R2-22-18, including depth, material encountered (Shale, SS), and elevation.
• Notes: Includes important construction considerations such as conductor casing, pipe capping, and restrictions on equipment driving across Nenahnezad bluff.

These drawings are critical for understanding the physical layout, geological conditions, and specific engineering requirements for the proposed HDD work. Bidders will need to use this information to accurately estimate costs, plan construction methods, and ensure compliance with the specified alignment and depth requirements.

Questions & Answers / Clarifications

This document provides responses to vendor questions regarding the solicitation for the San Juan River crossing and related Horizontal Directional Drilling (HDD) activities.

• Transient Pressure: The transient pressure listed in the table includes the operating pressure. The pipe head class is for the maximum transient pressure, and the working pressure is inclusive. Specific requirements for plastic pipe (HDPE or PVC) state that transient pressure should not exceed 110% of the continuous pressure rating.
• Road Restoration: Temporary construction roads will be restored to original contours upon completion of HDDs, but revegetation is not included in the contract.
• Working Hours: Working after sunset is permitted with proper illumination and COR approval. Working on Sundays may be acceptable with COR approval.
• Shumway Arroyo HDD: Drilling work at the Shumway Arroyo HDD is restricted to November 1 through February 28.
• Submittals: Vendors can submit submittals before the listed due dates to accommodate the project schedule; however, the due dates in the table will remain unchanged.
• Gravel Surfacing: The contractor will determine the amount of gravel surfacing needed for access roads; no minimum thickness is specified.

These clarifications provide specific details on pressure ratings, site restoration, work hour flexibility, seasonal restrictions for specific HDD activities, and submittal processes, which may affect bidder proposals and scheduling.

Amendment / Modification

• Corrected original solicitation page 10, block 11 to state: "The Contractor shall begin performance within 21 calendar days and complete it within 469 calendar days after receiving notice to proceed. The performance period is negotiable."

• Provided the Site Visit Sign-in Sheet from December 2, 2025.

• Provided the presentation slides from the Site Visit from December 2, 2025.

• Solicitation page 10, block 11 (regarding performance start and duration).

• Added Site Visit Sign-in Sheet and presentation slides as attachments.

• The period of performance is now stated as 05/20/2026 to 09/21/2027.

• Offers must acknowledge receipt of this amendment prior to the specified hour and date.

Form / Attachment / Pricing Sheet

This document is a sign-in sheet for the Pre-Bid Conference / Site Tour for the Navajo Gallup Water Supply Project, specifically for the San Juan Lateral Block 2-3 Horizontal Directional Drilling. It records attendees who participated in the site tour on December 2, 2025.

• Names of attendees
• Their respective organizations
• Email addresses
• Phone numbers

This attendance record indicates which organizations and individuals were present at the pre-bid conference and site tour. This information can be useful for bidders to identify potential competitors, partners, or stakeholders who have shown interest in the opportunity.

Other / Unclassified

This document is a presentation from a pre-bid conference for the Navajo-Gallup Water Supply Project (NGWSP), specifically for the Block 2-3 Horizontal Directional Drilling (HDD) component. It outlines the project background, an overview map, details on the Block 2-3 pipeline and HDD segments, challenges associated with specific HDD crossings (Shumway Arroyo, San Juan River, Nenahnezad Bluff, Chaco River), information on Pumping Plant 1, and the schedule for the Block 2-3 HDD.

This presentation provides critical information for potential bidders regarding the scope, technical requirements, challenges, and schedule for the Block 2-3 HDD portion of the NGWSP. Key details include:

• Project Scope: Overview of the NGWSP, including its scale ($2.2 Billion estimated cost, 300 miles of pipelines).
• Block 2-3 HDD Details: Specifics on the HDD crossings, including lengths, pipe diameters, and materials for segments like San Juan River, Nenahnezad Bluff, Shumway Arroyo, and Chaco River. Total HDD length is approximately 1.8 miles.
• Challenges: Detailed descriptions of potential difficulties at each HDD crossing, such as geological conditions (cobbles, boulders), existing infrastructure (irrigation siphon), elevation differences, and access road requirements.
• Pumping Plant 1: Information on the components and scope of Pumping Plant 1, noting its award to Ames Construction.
• Schedule: Key dates for the Block 2-3 HDD, including Bids Due Date (February 25, 2026), Bid Evaluation Completion (March 2026), Award Date (May 20, 2026), and Construction Completion Date (September 21, 2027).
• Safety and Contacts: Information on safety procedures, potential hazards, and points of contact for the solicitation.

Solicitation

This solicitation (No. 140R4026R0002) is for the Navajo-Gallup Water Supply Project (NGWSP) Block 2-3 Horizontal Directional Drilling (HDD). The project involves the installation of buried water transmission pipelines using HDD.

• HDD for 42-inch pipeline: Approximately 3,295-foot HDD bore length for Reach 2 at Nenahnezad Bluff.

• HDD for 36-inch pipeline:

  • Reach 2 at Shumway Arroyo: Approximately 2,000-foot HDD bore length.
  • Reach 2 at San Juan River: Approximately 2,400-foot HDD bore length.
  • Reach 3 at Chaco River: Approximately 2,080-foot HDD bore length.

• Associated work: Includes pilot bores, conductor casing, access roads, and water for dust abatement.

• Specifications and Drawings: Detailed information is provided in Section J, Attachments 1-3.

• Estimated Magnitude: Between $30,000,000 and $60,000,000.

• Contract Type: Fixed Price Contract.

• Period of Performance: 05/20/2026 to 09/21/2027 (approximately 469 calendar days).

• Liquidated Damages: $11,525.00 per calendar day of delay.

• Proposal Submission Deadline: February 25, 2026, at 1:00 PM MT.

• Submission Method: Electronic submission via Microsoft Teams or Kiteworks.

• Evaluation Factors: Technical Approach, Staff Qualifications & Key Personnel & Experience; Quality Control; Past Performance & Safety; and Cost/Price. Technical factors (1-3) are considered approximately equal and more important than Cost/Price.

• Indian Preference: Requirements for Indian employment and subcontracting are detailed in Section H.

• Small Business: Various representations and certifications related to small business status are required.

• Location of Work: Block 2-3 pipeline alignment, south of Frank Chee Willetto Reservoir, New Mexico, extending to the San Juan Lateral Water Treatment Plant.

• Taxes: New Mexico Gross Receipts Tax and Navajo Nation Tax are reimbursable but must be included in the price proposal.

• Site Visit: Scheduled for Tuesday, December 2, 2025, at 10 AM MT at the Four Corners Construction Office.

• Key Concerns: Includes challenges such as elevation differences, inadvertent fluid return, bore instability, and cultural resource compliance.

Form / Attachment / Pricing Sheet

This document is an "Experience Worksheet" intended for bidders to detail their relevant project experience. It serves as a template for bidders to provide specific information about projects they have completed that demonstrate their capability to perform the work required for this opportunity.

• Project Name, Location, Contract Number, Customer Name & Address, Customer Contact: Basic identification of the project.
• Type of Contract: Specifies the contracting method used (e.g., Design-Build, Design-Bid-Build).
• Role: The bidder's role in the project (e.g., Principal Designer, Principal Constructor).
• Point of Involvement: The phase(s) of the project the bidder was involved in (e.g., Conceptual, Design, Construction).
• Description of Project: Requires details on scope, complexity, and magnitude.
• Completion Dates: Original and actual completion dates, with explanations for any variances.
• Contract Amounts: Original and final contract amounts, with explanations for any variances.
• Problems Encountered: A section to describe any issues during project performance and the corrective actions taken.

Bidders must complete this form accurately and thoroughly to showcase their past performance and qualifications. The information provided here will likely be a key component in the government's evaluation of the bidder's experience and capability to successfully execute the requirements of the main opportunity. The form limits responses to a maximum of two pages per project.

Form / Attachment / Pricing Sheet

This document contains detailed geological logs for various drill holes (DHR2-24-35, DHR2-24-36, DHR2-24-37, DHR2-24-38, DHR2-22-7, DHR2-22-8, DHR2-22-13, DHR2-22-15, DHR2-22-16, DHR2-22-17, DHR2-22-18, DHPNM-21-6, DHPNM-21-7, DHPNM-21-8) and test pits (TPR2-22-16, TPR3-21-18, TP-25-1, TP-25-2, TP-25-3, TP-25-4, TP-25-5, TP-25-6, TPR2-25-23) related to the Navajo-Gallup Water Supply Project, specifically the San Juan Lateral and Shumway Wash HDD segments. It provides critical subsurface geological and soil data.

• Drill Hole Logs: Detail depth, geological unit, classification, hardness, weathering, lithology, engineering properties (recovery, RQD), and physical condition for each drill hole.
• Test Pit Logs: Describe soil and rock classification, in-place conditions, geological interpretation, and physical properties for each test pit.
• Physical Properties Test Results: Summarizes laboratory test results, including particle size fractions, consistency limits, in-place density, and compaction tests for various soil samples.
• Geological Legends and Notes: Provide definitions, symbols, and criteria used in the logs and descriptions.

This document is highly relevant for bidders as it provides detailed information about the subsurface soil and rock conditions along the proposed pipeline alignment. This data is crucial for:

• Assessing potential excavation challenges and risks.
• Estimating material handling and disposal requirements.
• Informing design and construction methodologies.
• Developing accurate cost proposals and project schedules.
• Understanding the geological context for any construction activities, particularly horizontal directional drilling (HDD) and trenching.

Form / Attachment / Pricing Sheet

This document is a "General Decision Number" which specifies the prevailing wage rates and labor standards applicable to building construction projects in San Juan County, New Mexico. It serves as a mandatory attachment for federal construction contracts to ensure fair wages are paid.

• General Decision Number: NM20250046, dated 03/07/2025.
• Applicability: Building construction projects (excluding single-family homes/apartments up to 4 stories) in San Juan County, New Mexico.
• Wage Rates: Lists specific minimum hourly wage rates and fringe benefits for various construction trades (e.g., Asbestos Worker, Carpenter, Electrician, Ironworker, Laborer, Painter, Pipefitter, Plumber, Sheet Metal Worker).
• Executive Order Compliance: Details requirements related to Executive Order 14026 and Executive Order 13658 concerning minimum wage rates and paid sick leave for federal contractors.
• Modification History: Lists publication dates for modifications to the wage determination.
• Appeals Process: Outlines the procedure for appealing wage determination decisions.

Bidders must review these wage rates to accurately estimate labor costs for their proposals. Failure to comply with these prevailing wage requirements can lead to contract non-compliance. The document also clarifies the applicability of federal executive orders regarding minimum wage and paid sick leave, which contractors must adhere to.

Form / Attachment / Pricing Sheet

This document contains detailed engineering drawings and plans for various segments of the Navajo-Gallup Water Supply Project, specifically focusing on the San Juan Lateral, Blocks 2-3, and Horizontal Directional Drilling (HDD) sections. It serves as a technical reference for the construction and implementation of the water supply infrastructure.

• General Maps and Location Maps: Provide an overview of the project area and specific reach locations.
• Plan and Profile Drawings: Detail the proposed Horizontal Directional Drilling (HDD) alignments, including horizontal and vertical alignments, ground surface elevations, and geological data (soil types, depths).
• Construction Laydown Areas: Indicate areas designated for pipe laydown and construction staging.
• Contractor Use Areas: Define areas where contractors are permitted to access and operate.
• Line and Curve Tables: Provide precise geometric data for the alignment of pipelines.
• Geological Logs: Detail subsurface soil and rock conditions encountered during site investigations.
• Notes and Abbreviations: Provide specific instructions, definitions, and safety information relevant to the construction.

These drawings are critical for bidders to understand the physical scope, technical specifications, and site conditions related to the construction of the water supply project. They are essential for accurate bidding, project planning, and execution, particularly for the HDD segments, which involve complex geological and alignment considerations.

Form / Attachment / Pricing Sheet

This document is a General Decision Number (GDN) for wage rates applicable to Heavy Construction Projects in San Juan County, New Mexico. It serves as a reference for minimum wage requirements under the Davis-Bacon Act and related acts, as well as Executive Orders 14026 and 13658.

• General Decision Number: NM20250040 (effective 01/24/2025)
• State: New Mexico
• County: San Juan County
• Construction Type: Heavy Construction Projects
• Applicable Wage Rates: Lists specific minimum hourly wage rates and fringe benefits for various construction classifications (e.g., Carpenter, Electrician, Laborer, Operator, Truck Driver).
• Executive Order Applicability: Details how Executive Orders 14026 and 13658 apply based on contract award or renewal dates, specifying minimum hourly rates ($17.75 for EO 14026, $13.30 for EO 13658) for 2025.
• Paid Sick Leave: Notes that Executive Order 13706 (Paid Sick Leave for Federal Contractors) applies to contracts awarded on or after January 1, 2017.
• Wage Determination Identifiers: Explains the meaning of different prefixes (SU, UAVG, SA) used to denote the type of wage rate (survey, weighted union average, state adopted).
• Appeals Process: Outlines the procedures for appealing wage determination matters.

Bidders must use this document to understand the minimum wage requirements for labor on this project. This information is crucial for accurately estimating labor costs in their proposals and ensuring compliance with federal regulations. The specific rates listed for each trade will directly impact the overall cost of the project and must be factored into bid calculations.

Other / Unclassified

This document provides information regarding Construction Contract Administration. It states that the Federal Acquisition Regulation (FAR) 36.211(b) mandates agencies to describe their policies and procedures for the definitization of equitable adjustments for change orders under construction contracts. It also requires data on the time needed to definitize these adjustments.

This information directs bidders to the relevant FAR clause and provides a link to where the agency's specific policies and procedures for construction contract administration, particularly concerning equitable adjustments for change orders, can be found. This is relevant for understanding contract administration processes that may impact construction opportunities.

Form / Attachment / Pricing Sheet

This document is a Key Personnel Form, which bidders must complete and submit as part of their proposal. It requires detailed information about the key personnel proposed for the opportunity.

• Name: Full name of the proposed key personnel.
• Position: The role the individual will fill.
• Proposed as: Designation as Primary or Alternate.
• Professional Licensing: Details of any required state licenses, including license number and status.
• Education: Information on degrees attained, major/minor, and completion dates from educational institutions.
• Specialized Training: Any relevant certifications or specialized training (e.g., DBIA Professional).
• Qualifying Experience: Detailed descriptions of up to three past projects, including:
  • Project Name, Location, and Dates
  • Position(s) held and duration
  • Delivery Method (Traditional Design-Build, Progressive Design-Build, Other)
  • Customer Name, Address, Phone, and E-mail
  • Description of Project Features
  • Description of Duties/Responsibilities performed in the role.

Bidders must accurately complete this form to demonstrate that they have identified and secured qualified key personnel who meet the experience and education requirements outlined in the solicitation. Failure to provide complete and accurate information may impact the evaluation of the proposal.

Form / Attachment / Pricing Sheet

This document is a Past Performance Questionnaire designed to gather feedback on a contractor's performance. It is intended to be completed by a client or customer to evaluate the contractor's work on a specific project. The completed questionnaire will be submitted by the offeror with their proposal to assist in evaluating performance risk.

• Contractor Information: Fields for firm name, address, contact details, CAGE code, and DUNS number.
• Work Performed As: Specifies if the contractor acted as a Prime Contractor, Sub Contractor, or Joint Venture, and the percentage of work performed.
• Contract Information: Details such as contract number, delivery/task order number, contract type, title, location, award date, completion dates, original and final contract prices, and any differences.
• Project Description: Requires a description of the project's complexity and its relevance to the current project of submission.
• Client Information: Fields for client name, title, contact details, and their role in the project.
• Performance Ratings: A comprehensive set of questions covering Quality, Schedule/Timeliness, Customer Satisfaction, Management/Personnel/Labor, Cost/Financial Management, Safety/Security, and General aspects of the contractor's performance. Ratings are provided on an adjective scale (Exceptional, Very Good, Satisfactory, Marginal, Unsatisfactory, Not Applicable).
• Narrative Remarks: Space for specific strengths, weaknesses, deficiencies, or other comments.

This questionnaire is crucial for bidders as it directly impacts the past performance evaluation, a key factor in many government contract awards. Bidders need to ensure this form is accurately and thoroughly completed by their clients to present a strong case for their past performance. The detailed evaluation criteria within the form highlight the specific areas the government considers important when assessing a contractor's reliability and capability.

Solicitation / RFP / RFQ

This solicitation is for the construction of Block 2-3 Horizontal Directional Drilling (HDD) for water transmission pipelines. The project involves multiple pipeline crossings.

• HDD for a 42-inch buried water transmission pipeline crossing at Reach 2 Nenahnezad Bluff (approx. 3,295-foot bore length).

• HDD for a 36-inch buried water transmission pipeline crossing at Reach 2 Shumway Arroyo (approx. 2,000-foot bore length).

• HDD for a 36-inch buried water transmission pipeline crossing at Reach 2 San Juan River (approx. 2,400-foot bore length).

• HDD for a 36-inch buried water transmission pipeline crossing at Reach 3 Chaco River (approx. 2,080-foot bore length).

• The CLIN includes all items and personnel for turnkey pipe installation using HDD.

• Requires a full-time safety representative, quality control representative, and qualified survey personnel.

• Period of Performance: 05/20/2026 to 09/21/2027.

• Contract Type: Firm-Fixed Price (FFP).

• Offers are due by 02/25/2026 at 1300 local time.

• Proposals must be valid for at least 60 calendar days.

• Offer guarantee is required.

• Not specified in the provided document pages.

• Location of Work: Block 2-3 pipeline alignment, beginning south of Frank Chee Willetto Reservoir (approx. 17 miles east of Shiprock, New Mexico) and terminating at the San Juan Lateral Water Treatment Plant (approx. 6 miles east of U.S. Highway 491 and Navajo Route 36 in San Juan County).

• Specifications (Section J Attachment 1) and Drawings (Section J Attachments 2-3) provide further details.

• Schedule B contains the Price Schedule continuation with all CLINS and sub-CLINS.

Form / Attachment / Pricing Sheet

This document contains the "Price Schedules" for the "San Juan Lateral – Block 2-3 Horizontal Directional Drilling" project, which is part of the Navajo-Gallup Water Supply Project.

• Price Schedule 1 (Reach 2): Details supplies or services for Reach 2, including mobilization, contract document management, construction water, utility crossing investigations, as-built and final drawings, water for dust abatement, pilot bores, horizontal directional drilling (HDD), and conductor casing.
• Price Schedule 2 (Reach 3): Details supplies or services for Reach 3, including mobilization, construction water, utility crossing investigations, as-built and final drawings, water for dust abatement, pilot bores, horizontal directional drilling (HDD), conductor casing, and access roads.
• CLIN: Contract Line Item Number.
• Quantities: Estimated for offer comparison only; variation in estimated quantity does not allow for claims for overruns or underruns, except as provided in FAR 52.211-18.
• Taxes: Contractor is responsible for including applicable New Mexico Gross Receipts Tax and Navajo Nation Gross Receipts Tax in their price proposal.
• Payments: Payments for materials delivered may be approved for locations other than the site if Contractor obtains Contracting Officer (CO) approval.

This document is crucial for bidders as it outlines the specific line items, estimated quantities, and pricing structure for the work required in Reaches 2 and 3 of the project. Bidders must use this information to formulate their proposals, ensuring all costs, including applicable taxes, are accurately reflected. The details provided will directly impact the financial offer submitted for the opportunity.