Z--Defense Threat Reduction Agency (DTRA) White Sands

Amendment / Modification

This amendment (0003) to Solicitation 140D0426R0019, dated 01/29/2026, updates the period of performance to reflect an award date of April 15, 2026, and a completion date of April 15, 2027. Section F and FAR Clause 52.211-10 have been revised to incorporate this change.

• Section F

• FAR Clause 52.211-10

• Acknowledgement of this amendment and any proposal revisions are due by March 19, 2026, at 5:00 PM ET.

• A new paragraph 1.4, "Proposal Revision," has been added to Section L (Proposal Preparation Instructions). This paragraph states that offerors submitting a proposal revision should not resubmit the entire package but only the necessary acknowledgement(s) and the areas of the original proposal where a change was made.

Amendment / Modification

• The purpose of this amendment is to update the period of performance to reflect the date of award as April 15, 2026.

• Section F and FAR Clause 52.211-10 are revised to include this update.

• A new paragraph 1.4, "Proposal Revision," is added to Section L, "Proposal Preparation Instructions." This new paragraph states that offerors submitting a proposal revision should not resubmit their entire proposal package. Instead, they should only provide necessary acknowledgements and submit only those areas of the original proposal where a change was made.

• Section F

• FAR Clause 52.211-10

• Section L, "Proposal Preparation Instructions" (new paragraph 1.4 added)

• Acknowledgement of this amendment and any proposal revisions are due on March 19, 2026, at 5:00 PM ET.

• The period of performance is now stated as April 15, 2026, to April 15, 2027.

Amendment / Modification

This amendment (0002) to solicitation 140D0426R0019 makes the following changes:

• Updates the CLIN structure in Section B and Attachment 10 to incorporate optional line items 6-8 and Instrumentation Work.

• Modifies the liquidated damages clause (52.211-11) to $395.00 per day.

• Section B

• Attachment 10

• Clause 52.211-11

• The effective date of the amendment is 01/29/2026.

• The period of performance is updated to 06/08/2026 to 06/15/2027.

Amendment / Modification

This amendment (Modification 0002) to Solicitation 140D0426R0019, effective January 29, 2026, makes the following updates:

• CLIN Structure Update: The CLIN structure in Section B and Attachment 10 has been updated to include optional line items 6-8 and Instrumentation Work.

• Liquidated Damages Update: Clause 52.211-11 (Liquidated Damages-Construction) has been updated to set the liquidated damages at $395.00 per day.

• Section B (Services and Prices)

• Attachment 10 (Pricing Sheet)

• Clause 52.211-11 (Liquidated Damages-Construction)

• The solicitation's receipt date for offers is extended (as indicated in Item 11).

• Offerors must acknowledge receipt of this amendment. Failure to do so may result in offer rejection.

• Offerors desiring to change an already submitted offer due to this amendment may do so via electronic communication, provided it is received before the specified opening hour and date.

Form / Attachment / Pricing Sheet

This document is a pricing sheet, likely an amendment to a previous solicitation, providing line items for a construction or infrastructure project. Bidders are expected to use this sheet to enter their proposed costs for each CLIN (Contract Line Item Number).

• CLINs: A list of specific tasks or phases of work, including mobilization, site establishment, material installation (steel sets, concrete), and demobilization.
• Descriptions: Brief explanations of each CLIN.
• Type: All CLINs are designated as Firm Fixed Price (FFP).
• Quantity: Most CLINs are listed as '1 Job', indicating a single unit of work for that item.
• Amount: This column is blank, indicating where bidders must input their proposed pricing for each CLIN.
• Options: Includes several optional CLINs (00200 - 00207) for potential future work, also designated as FFP.
• TOTAL: A field for the sum of all CLIN amounts.

This pricing sheet is critical for bidders to understand the cost structure of the opportunity and to formulate their proposals. Bidders must carefully review each CLIN, determine their associated costs, and enter them into the 'AMOUNT' column. The inclusion of optional CLINs also requires bidders to consider pricing for potential future contract modifications. This sheet will likely be a key component of the proposal submission and evaluation process.

Amendment / Modification

This amendment (0001) to solicitation 140D0426R0019 is effective 01/29/2026 and serves to:

• Incorporate language and clarifications regarding Options, referencing Section H of the Solicitation.

• Update the CLIN structure in Section B and Attachment 10 to include optional line items.

• Extend the proposal due date to March 5, 2026, at 4:00 PM ET.

• Section B (Services and Prices) and Attachment 10 (Pricing Sheet) are updated to include optional line items.

• Section H (Special Contract Requirements) is referenced for Option details.

• The proposal due date has been extended to March 5, 2026, at 4:00 PM ET.

• The Period of Performance is now stated as 06/08/2026 to 06/15/2027.

Amendment / Modification

This amendment (0001) to Solicitation 140D0426R0019, effective 01/29/2026, makes the following changes:

• Incorporates language and clarifications regarding Options: Bidders should review Section H of the Solicitation for details on "OPTIONAL LINE ITEMS."

• Updates CLIN structure: Section B and Attachment 10 have been updated to include optional line items.

• Extends proposal due date: The new deadline for proposal submission is March 5, 2026, at 4:00 PM ET.

• Section H (OPTIONAL LINE ITEMS)

• Section B (CLIN structure)

• Attachment 10 (Pricing Sheet)

• The proposal submission deadline has been extended to March 5, 2026, at 4:00 PM ET.

• The Period of Performance is now estimated to be 06/08/2026 to 06/15/2027.

Questions & Answers / Clarifications

This document provides responses to vendor questions regarding the DTRA WSMR Tunnel 7 Repair project, clarifying various aspects of the solicitation.

• Batch Plant Availability: The DTRA batch plant will be available for use.
• Contractor Office Space: The Capital Peak office complex will not be available; contractors must provide their own office trailer and power, with staging available on-site.
• Instrumentation Support: This work will be included under revised CLINs, and option prices for this work will be paid via these revised CLINs.
• Tunnel 7 Centerline: The T7 Inspection Report (Sta 0+56 - 2+58) will be provided, not the centerline for cross-sections.
• Job Owner: DTRA at WSMR is the owner of the job. The Department of the Interior (DOI), Interior Business Center (IBC), Acquisition Services Directorate (AQD) is serving as the contract office.
• Known Hazards: There are no known hazards, hazardous materials, or residual contamination within Tunnel 7 or adjacent work areas.
• Geotechnical Data: A Geotech Report is available upon request from the Contract Specialist and Contracting Officer.
• Government Owned Equipment (GOE): A list of available GOE will be sent, but its availability is not guaranteed due to concurrent projects and potential equipment breakdowns.
• Batch Plant Operation: Contractors will provide materials and operate their bucket loader; DTRA personnel will operate the batch plant.
• Concrete Supplier: Contractors are responsible for proposing and obtaining approval for concrete and grout suppliers and batch plants, though the government will provide a batch plant near PHETS.
• Mix Designs: Contractors are responsible for developing, submitting, and obtaining approval for all concrete, grout, and shotcrete mix designs.
• Mine Rescue PPE: Refer to OSHA 1926.800.g.05 for requirements.
• Option Timeframe: No specific timeframe is set for option execution, but Option 1 (Instrumentation Support - Labor) and Option 2 (Instrumentation Support - Equipment) are expected to be completed together.

These clarifications address vendor inquiries and may influence proposal preparation regarding site logistics, material sourcing, equipment usage, and specific technical requirements. Bidders should review these responses carefully to ensure their proposals align with the clarified expectations.

Form / Attachment / Pricing Sheet

This document is a pricing sheet, likely an attachment to a solicitation, that outlines the CLINs (Contract Line Item Numbers) and associated descriptions for a project. Bidders are expected to use this sheet to provide their pricing for each CLIN.

• CLINs: A list of specific tasks or phases of work, including mobilization, site establishment, preparation, installation of steel sets, rock bolting, shotcrete application, concrete placement in multiple lifts, and final cleanup.
• Descriptions: Brief explanations of each CLIN.
• Type: All CLINs are designated as Firm Fixed Price (FFP).
• Quantity: Most CLINs are listed as '1 Job', indicating a single unit of work for that item.
• Amount: This column is left blank, indicating where bidders must enter their proposed prices for each CLIN and the total.
• Options: Includes five optional CLINs (00200 - 00204) for potential future work, also designated as FFP.

This pricing sheet is critical for bidders to understand the specific components of the work for which they need to provide cost proposals. It details the scope of work at a granular level and serves as the basis for calculating the total bid amount. Bidders must carefully review each CLIN, ensure their pricing is competitive and accurate, and complete the 'Amount' column for all CLINs and options as required by the solicitation.

Solicitation / RFP / RFQ

This solicitation is for a noncommercial item, a Request for Proposal (RFP), to repair and address damage to Tunnel 7 at White Sands Missile Range, New Mexico. The work includes providing support during testing activities, safing after each test, and general support between tests. The estimated magnitude of the contract is between $1,000,000 and $5,000,000.

• Repair and address damage to Tunnel 7.

• Provide support during testing activities, including safing after each test and general support between tests.

• All tunnel construction must be completed by June 15, 2027.

• Furnish all labor, materials, equipment, transportation, tools, supervision, and other necessary items.

• Specific tasks include mobilization, ventilation, clearing and preparing the invert, installing steel sets, rock bolt installation, pin set base plates, steel lag tunnel arch, shotcrete, building end bulkheads, placing concrete lifts, cleaning up the tunnel site, and demobilization.

• Contract Type: Firm Fixed Price (FFP) for all CLINs.

• Period of Performance: Estimated to be from June 8, 2026, to June 15, 2027.

• Performance Start: Within 10 calendar days of notice to proceed.

• Performance Completion: Within 365 calendar days of notice to proceed, with a final completion date of June 15, 2027.

• Proposal Submission Deadline: March 2, 2026, by 4:00 PM ET via email.

• Questions Due: February 12, 2026, by 12:00 PM ET.

• Evaluation Factors: Best Value Tradeoff, with Factor 1 (Past Performance) being most important, followed by Factor 2 (Schedule), and then Factor 3 (Price). Price becomes more important as technical approaches become equal.

• Proposals must be clear, concise, and provide convincing rationale on how requirements will be met.

• This requirement is a small business set-aside.

• North American Industry Classification System (NAICS) Code: 236220 – “Commercial and Institutional Building Construction”.

• Business Size Standard: $45.0 Million.

• Federal Supply Code (FSC): Z2QA – Repair or Alteration of Restoration of Real Property.

• The solicitation is issued under Federal Acquisition Regulation (FAR) Part 15, Contracting by Negotiation.

• Offerors must comply with all FAR, DFARS, DIAR, and AQD provisions and clauses.

• Performance and Payment Bonds are required.

• A site visit is scheduled for February 5, 2026.

Form / Attachment / Pricing Sheet

This document is a pricing sheet, likely intended for bidders to fill out and submit as part of their proposal. It outlines the various CLINs (Contract Line Item Numbers) associated with the opportunity and provides a structure for itemizing costs.

• CLINs: A list of specific tasks or components of the work, ranging from "Mobilization to Site" to "Demobilization."
• Description: A brief explanation of each CLIN.
• Type: All CLINs are designated as "Firm Fixed Price (FFP)."
• Quantity: Each CLIN is listed as "1 Job."
• Amount: A column for bidders to enter the monetary amount for each CLIN. The total amount is also indicated.

This pricing sheet is critical for bidders to understand the cost structure expected by the government for this opportunity. Bidders must use this template to detail their proposed costs for each line item, ensuring they align with the defined CLINs and the Firm Fixed Price contract type. The completed sheet will be a key component of the proposal submission and will likely be used in the evaluation process.

Statement of Work (SOW) / Performance Work Statement (PWS)

This SOW details the requirements for the repair and modification of Tunnel 7 at the ALT-SHIST, White Sands Missile Range (WSMR), New Mexico. The primary goal is to address damage caused by prior incidents and prepare the tunnel for testing activities, followed by safing after testing.

• Repair of Tunnel 7, including its D-shape tunnel, overburden, ribs, crown, and invert, according to government-provided designs and specifications.

• Site preparation, improvements, safing, and restoration related to pre and post-testing.

• General construction support for instrumentation installation.

• Safing the tunnel for re-entry post-testing.

• Removal and disposal of damaged interior structures and silica.

• All tunnel construction must be completed by 15 June 2027.

• Location: Tunnel 7, ALT-SHIST, White Sands Missile Range (WSMR), New Mexico.

• Contractor must adhere to all applicable Federal OSHA, state, DOD, and local standards.

• Mishap reporting required within 2 hours of occurrence.

• Quality Control Plan (QCP) submission required within 30 days of award.

• Site Safety and Health Plan (SSHP) and Hazard Analysis Tables (HAT) required.

• Contractor must provide a WSMR Standard Operating Procedure (SOP) within 14 days of award; approval can take up to 150 days.

• Contractor must provide a cost and resource-loaded project schedule, updated weekly.

• A three-week look-ahead schedule must be submitted weekly.

• Coordination for base access required 30 days prior to on-site work.

• Requests for Information (RFIs) must be submitted within 24 hours of identification, with a 10-day government response time.

• Contractor must provide a minimum of one project manager, one superintendent, and one quality control manager with at least 10 years of experience, including 5 years in their specific role on similar projects.

• A Site Safety and Health Officer (SSHO) with a minimum of five years of construction safety experience is required on-site daily.

• Contractor must provide mine rescue crew with proper Personal Protective Equipment (PPE) for underground work and instrumentation support.

• Options include: Instrumentation Support (Labor/Equipment), Mine/Safety Rescue and Tunnel Life Support, and Post Test Support.

• As-built drawings and test site restoration must be complete before final invoice payment.

Form / Attachment / Pricing Sheet

This document is a Past Performance Questionnaire (PPQ) used by the U.S. Department of the Interior, Interior Business Center to gather feedback on a contractor's past performance. It is intended for use by entities that have received services or products from the contractor being considered for award.

• Firm Information: Fields for Project Title, Location, Description, Company Name, Contract Number, Start Date, Completion Date, Initial Amount, and Final Amount.
• Evaluator Information: Fields for Evaluator Name, Company/Agency Name, Address, POC Email, and Position Held or Function in Relation to Project.
• Ratings Overview: Defines rating scales from 'O' (Outstanding) to 'U' (Unacceptable) with corresponding performance descriptions.
• Questionnaire: A series of questions asking for ratings on:
  1. Relationship with the client/customer contract team.
  2. Overall corporate management, integrity, reasonableness, and cooperative conduct.
  3. Quality control.
  4. Ability to meet the performance schedule.
• Specific Issues: Questions regarding cure notices, show cause letters, suspension of payment, or termination.
• Customer Satisfaction: Questions about satisfaction with the final product/services and if the firm was given an opportunity to discuss negative feedback.
• Overall Rating and Comments: A final rating and a section for additional comments.

While this document is for evaluators, bidders should be aware that this questionnaire is a key component in assessing past performance, which is often a significant evaluation factor in federal solicitations. Understanding the questions asked can help contractors prepare for performance reviews and ensure they are meeting or exceeding expectations in these areas.