Cristobal Colon Earthwork Improvement Materials - Gravel

Amendment / Modification

This amendment to Solicitation W912CL26QA012, dated 02 APR 2026, is issued to provide answers to additional questions received from vendors and to furnish reference attachments. The solicitation closing date has not been extended.

This amendment does not modify specific sections of the original solicitation but provides clarifications and attachments.

Proposal deadlines remain unchanged. Vendors should acknowledge receipt of this amendment.

Questions & Answers / Clarifications

This document contains questions submitted by potential bidders and the government's responses, clarifying various aspects of the solicitation.

• Quantities: The quantity for CLIN 0002 (geotextile) is confirmed as 206,600 SF. The unit for CLIN 0003 (silt fence) is confirmed as Linear Foot (LF).
• Material Specifications:
  • Gravel (SOW §5.1.1) is updated to include UFGS 32 11 23 - Aggregate Base Course. Specifics on stone dust content are in the updated SOW 5.1.1(c).
  • Geotextile material specifications (SOW §5.1.2) have been updated. Refer to UFGS 31 05 19.13 - Geotextiles for Earthwork for guidance.
  • Silt fence specifications (SOW §5.1.3) have been updated.
• Certifications & Submissions: Material certification documents are due 10 days prior to delivery. Product data must be submitted to the COR for approval no later than 10 days prior to material delivery.
• Delivery & Scheduling:
  • Delivery of woven geotextile and silt fence materials is no later than May 13th, with completion no later than May 15th.
  • Project times for access and deliveries will be coordinated with onsite personnel.
  • The COR will direct truck waiting and unloading locations.
• Legal & Regulatory References: References to "Colombian labor laws" and "Government of Belize regulations" have been corrected to "Panamanian labor laws" and "Panama / MiAmbiente" respectively. Section 1.6.24.4 has been removed.
• Insurance: Specific minimum insurance limits are not provided by the US Government; vendors must comply with Panamanian requirements.
• Site Visit: A pre-quote site visit is scheduled for Friday, April 17th at 1:00 PM at Fort Sherman. Confirmation is required by COB April 16th.

Several sections of the SOW and solicitation details have been updated based on these Q&As, particularly regarding material specifications, quantities, and delivery timelines. Bidders should review the updated documents referenced in the responses.

Form / Attachment / Pricing Sheet

This document appears to be a map or diagram illustrating potential gravel pad locations and their approximate dimensions. It provides coordinates for specific points defining these areas and includes descriptive text for each plot.

• Plot 3: Approximately 1.2 Acres / 52,484 FT². Defined by points with coordinates (17PPL 1532735600, 17PPL 1538135594, 17PPL 1541635700). Instruction: "Run pad to edge of road."
• Plot 1: Approximately 2.12 Acres / 98,230 FT². Includes an "Abandoned Pad" of approximately 0.13 Acres / 5,730 FT². Defined by points with coordinates (17PPL 1527834966, 17PPL 1533934962). Instruction: "Follow tree line to parking lot to road back to point one."
• Plot 2: Approximately 0.69 Acres / 29,986 FT². Defined by points with coordinates (17PPL 1540035704, 17PPL 1542935771, 17PPL 1550735715). Instruction: "Follow exiting structure and roadway."
• Point ECP: A single coordinate point (17PPL 1559334530).

This document is crucial for bidders to understand the physical scope and potential locations for gravel pad construction or similar site development activities. It provides specific area measurements and boundary definitions, which are essential for estimating costs, planning logistics, and developing technical proposals for any related construction or site preparation work.

Form / Attachment / Pricing Sheet

This document provides technical specifications and installation details for a silt fence barrier, likely intended as an attachment to a solicitation or statement of work.

• Elevations and Sections: Illustrates the construction of the silt fence, including top and bottom strands, stay wires, line wires, filter fabric, and posts (steel or wood).
• Dimensions: Specifies minimum and maximum dimensions for various components, such as wire gauge, fence width, filter fabric width, post length and diameter, and wire spacing.
• Materials: Details requirements for wire, filter fabric (including sieve size and grab strength), and fasteners.
• Installation Notes: Outlines placement along embankments, disturbed ground, and near storm drain inlets/manholes.
• Maintenance: Requires periodic removal of accumulated sediments.
• Standards: References U.S. Standard Sieve No.70 and ASTM D-1682 or ASTM D-177 for filter fabric.

This attachment provides critical details for bidders to understand the specific requirements for silt fence construction and installation. It will be essential for estimating costs, planning labor, and ensuring compliance with technical specifications if this is a requirement of the opportunity.

Other / Unclassified

This document is a Unified Facilities Guide Specification (UFGS) for "Geotextiles for Earthwork," specifically UFGS-31 05 19.13, dated February 2021. It supersedes a previous version from August 2008 without revision.

This specification details the requirements for furnishing, hauling, and placing geotextiles for earthwork applications. It covers:

• Materials: Specifies requirements for geotextile fibers, seams, securing pins, and includes detailed testing methods (ASTM standards) for properties like tensile strength, permeability, and durability.
• Products: Outlines minimum physical requirements for drainage geotextiles, including strength, permeability, and apparent opening size criteria, with specific tables (TABLE I and TABLE II) providing guidance based on application and soil type.
• Execution: Describes the procedures for surface preparation, installation (including placement, overlaps, and seaming), protection of the geotextile, and placement of cushioning material. It also addresses field testing requirements.

This document is crucial for bidders to understand the technical specifications and quality standards for geotextile materials and their installation if this is a component of a larger construction project.

Specification / Standard

This document, UFGS Section 32 11 23, provides specifications for Aggregate Base Course (ABC) and Graded-Crushed Aggregate Base Course (GCA) intended for use directly beneath bituminous pavement courses for airfields, roads, and streets. It supersedes the August 2017 version.

• Materials: Specifies requirements for coarse and fine aggregates, including crushed gravel, crushed stone, crushed recycled concrete, and crushed slag. It details criteria for gradation, liquid limit, plasticity index, wear, soundness, flat and elongated particles, fractured faces, and weight.
• Testing & Quality Assurance: Outlines required tests such as gradation analysis, liquid limit and plasticity index, moisture-density determinations, field density tests, wear tests, and soundness tests. It also details sampling procedures and quality assurance measures, including laboratory approval and MTC validation.
• Execution: Covers general requirements, operation of aggregate sources, stockpiling, preparation of underlying course or subgrade, grade control, mixing and placing materials, layer thickness, compaction, finishing, and smoothness.
• Proof Rolling: Specifies proof rolling requirements for base courses under flexible airfield pavements, detailing coverage and equipment.
• Acceptance: Defines tolerances for smoothness, thickness, and compaction, and requires a test section for airfield flexible pavements.

This document is a guide specification and does not contain specific contract details such as period of performance or estimated value. It is intended to be edited for project-specific requirements.

• Submittals: Requires submittal of product data, equipment lists, and test reports (initial tests, in-place tests, test section reports). Government approval is required for certain submittals.
• Evaluation: Material approval is based on initial test results and final approval on tests performed on completed courses.

Not applicable to this specification document.

• The specification is applicable to base courses placed directly beneath bituminous surface courses.
• It references numerous ASTM standards for testing and material properties.
• Project-specific details, such as gradations and specific requirements, must be edited into this guide specification.

Solicitation / RFP / RFQ

This solicitation, identified by Solicitation Number W912CL26QA0120001, is for the procurement of JOTC Gravel Pad Supplies, including Gravel, Geotextile Fabric, and Silt Fencing. The acquisition will utilize Simplified Acquisition Procedures for commercial products in accordance with FAR 13.5.

The solicitation details the following specific items:

• Item 0001: JOTC Gravel Pad - Gravel, 3/4" (5,183 Cubic Yard)
• Item 0002: JOTC Gravel Pad - Woven Geotextile Fabric (206,600 Square Foot)
• Item 0003: JOTC Gravel Pad - Wire-backed Silt Fence with Stakes (2,050 Linear Foot)
• Item 0004: Lot of drainage supplies including non-woven geotextile fabric, drainage rock aggregate, perforated HDPE pipe, and couplings.

All items are to be delivered FOB Destination. The Statement of Work (SOW) and Technical Exhibit 1 are referenced for further details on requirements and delivery/inspection locations.

• Contract Type: Not explicitly stated, but pricing arrangement is "Firm Fixed Price" for all items.

• Period of Performance: Delivery dates range from May 13, 2026, to May 29, 2026, depending on the item.

• Estimated Value: Not stated.

• Offer Due Date: April 20, 2026, at 10:00 AM.

• Evaluation Factors: Offers will be evaluated based on "Technical" and "Price" factors to determine the most advantageous offer to the Government.

• Submission Instructions: Standard SF1449 form is used. Specific instructions for submission are detailed within the solicitation documents.

• This acquisition is marked as "UNRESTRICTED."

• North American Industry Classification System (NAICS) Code: 423320, with a size standard.

• Product Service Code: 5680 for all listed items.

• The solicitation incorporates FAR clauses by reference, including 52.212-1 (Instructions to Offerors) and 52.212-2 (Evaluation-Commercial Products and Commercial Services).

• DFARS clauses are also incorporated, including those related to item unique identification and Wide Area WorkFlow (WAWF) payment instructions.

Amendment / Modification

This amendment modifies the solicitation W912CL26QA012 dated 02 APR 2026.

Key changes include:

• Updated Attachment 1 - Statement of Work (Section 5.1.4 Drainage Supplies): Details regarding drainage supplies have been revised.

• Updated SF-1449 Solicitation - CLIN 0004 added for drainage supplies: A new CLIN (0004) has been added to procure drainage supplies.

• Response Due Date Extended: The response due date has been extended from 15 Apr 2026 to 20 Apr 2026.

• CLIN 0003 Modification: The 'Volume Set' for CLIN 0003 has been changed from 'CY' to 'LF'.

• Delivery Dates Modified: Delivery dates for CLINs 0001, 0002, and 0003 have been adjusted.

  • CLIN 0001: Delivery Period Start is now 20 May 2026, and Period End is 29 May 2026.
  • CLIN 0002 & 0003: Delivery is now due on or before 15 May 2026 (previously 18 May 2026).

• Attachment 1 - Statement of Work (Section 5.1.4)

• SF-1449 Solicitation (CLIN 0004 added, CLIN 0003 modified, Delivery dates for CLINs 0001, 0002, 0003 modified)

• The proposal submission deadline has been extended to 20 Apr 2026.

• Bidders must acknowledge receipt of this amendment.

• All other aspects of the original solicitation remain unchanged.

Statement of Work (SOW)

To provide transportation and delivery of aggregate materials and associated deliverables to support construction activities at Cristóbal Colón, Panama, for the development of three gravel pads totaling 4.15 acres. This effort aims to enhance capabilities for future training and exercise operations at the Jungle Operations Training Center (JOTC).

• Transport and deliver the following materials:

  • 5,183 loose cubic yards of 3/4"-0 angular crushed stone mixed with aggregate blend.
  • 206,600 square feet of woven geotextile material.
  • 2,050 linear feet of silt fencing.

• The contractor is solely responsible for transportation and delivery; installation and placement will be performed by U.S. personnel or designated on-site personnel.

• Begins: May 13, 2026

• Ends: Upon final delivery of all required materials.

• Woven geotextile and silt fence delivery: No later than May 13, 2026.

• Aggregate material delivery: Begins on or about May 20, 2026.

• End of performance period (gravel): May 29, 2026 (subject to weather delays).

• Materials must meet U.S. Government standards and be inspected by the Joint Security Cooperation Group – Panama Engineer Cell.

• Contractor must provide material certification documents prior to purchase and delivery.

• Specific standards for gravel, geotextile, and silt fencing are detailed, including compliance with UFGS specifications.

• Delivery to three construction sites on Cristóbal Colón.

• Contractor must comply with all Panamanian government regulations, including insurance requirements.

• Contractor must ensure all personnel wear appropriate PPE (helmets, safety footwear, etc.) and comply with local safety regulations.

• Prevent fuel, oil, or hydraulic leaks; contain and report any spills.

• Deliveries must occur between 08:00 am and 5:00 pm, as directed by the COR.

• Contractor shall not stockpile material unless directed by the COR.

• Contractor must provide a list of all vehicles used in performance of the contract.

• Contractor must notify the COR of any conditions impacting delivery operations or site access.

Amendment / Modification

This document is an addendum to Solicitation W912CL-26-Q-A012, providing instructions to offerors for submitting quotes for Commercial Products and Commercial Services.

• Instructions to Offerors: Clarifies submission details, including the solicitation close date and time (20 APR 2026, 10:00 AM Central Daylight Time).

• Questions & Answers: Specifies that all questions must be submitted via email to nathanial.d.gaunt.civ@army.mil and vernon.d.shank.mil@army.mil, with a deadline of 02:00 PM Central Daylight Time on 13 April 2026. Questions should be submitted early.

• Submission of Quotes: Requires quotes to be submitted in English and adhere to outlined terms and conditions. Late submissions will not be considered.

• Technical Plan: Details the requirements for the Technical Plan, including:

  • Explaining the technical approach for sourcing, acquiring, and delivering supplies.
  • Describing how the approach aligns with commercial practices.
  • Specific formatting requirements for the title page (solicitation number, company name, proprietary data statement) and table of contents.
  • Content requirements, including Supply Specifications (verifying quantities and specifications against SOW 5.1 Materials) and a Delivery Plan (detailing suppliers, vehicles, site access, logistics, and compliance with laws and regulations).

• Evaluation: Clarifies that award will be made to the lowest priced responsive and responsible firm with an acceptable Technical Plan. Technical evaluation will initially be "Acceptable or Unacceptable" for all quotes, with a more detailed evaluation of the two lowest-priced quotes. Price will be evaluated by summing all CLINs.

• The solicitation close date and time are confirmed.

• A specific deadline and procedure for submitting questions are provided.

• Detailed instructions for preparing and submitting the Technical Plan are outlined.

• The evaluation criteria (lowest priced, technically acceptable) are further clarified.

Questions & Answers / Clarifications

This document contains questions submitted by potential bidders and the government's responses regarding the solicitation.

• Quantities: The quantity for CLIN 0002 (geotextile) is confirmed as 206,600 SF, superseding a discrepancy with the SOW. (Q1)
• Units: The unit for CLIN 0003 (silt fence) is confirmed as Linear Foot (LF), correcting an initial "CY" notation. (Q2)
• Material Specifications: Several SOW sections (5.1.1, 5.1.2, 5.1.3) have been updated to include specific technical specifications, ASTM or UFGS standards, and gradation requirements for gravel, geotextile material, and silt fence. (Q3, Q4, Q5, Q6, Q24)
• Delivery Dates: Delivery for woven geotextile and silt fence materials is now due no later than May 13th, with completion by May 15th, clarifying earlier confusion about a May 18th deadline. (Q11)
• Regulatory References: References to "Colombian labor laws" and "Government of Belize regulations" have been corrected to "Panamanian labor laws" and removed, respectively. (Q14, Q15)
• Site Access & Logistics: Questions regarding road weight/size limits, truck unloading capacity, staging areas, and escort team availability are addressed through updated SOW sections or implied by the need for site coordination. (Q8, Q9, Q12)
• Technical Exhibits: Requests for GPS coordinates for plot delivery points and installation gate have been made. (Q20)

Several sections of the SOW have been updated based on these questions, and amendments have been issued (Amend #1). Bidders should review the updated SOW and conformed solicitation copy for accurate requirements and specifications. Key delivery dates and material specifications have been clarified.

Solicitation / RFP / RFQ

This document provides instructions to offerors for submitting proposals for commercial products and commercial services. It outlines the requirements for offerors to ensure their submissions are compliant and considered.

• Offers must include:

  • Solicitation number
  • Time specified for receipt of offers
  • Offeror's name, address, and telephone number
  • Technical description of items offered (including product literature if necessary)
  • Terms of any express warranty
  • Price and any discount terms
  • "Remit to" address, if different from mailing address
  • Completed representations and certifications (FAR 52.212-3)
  • Acknowledgment of Solicitation Amendments
  • Past performance information (if applicable)
  • Statement of agreement with terms and conditions if not submitted on SF 1449.

• Offers must be signed and dated.

• The Government intends to award a contract without discussions, so initial offers should represent the offeror's best terms.

• The Government reserves the right to conduct discussions if deemed necessary.

• The Government may reject any or all offers, accept other than the lowest offer, and waive informalities.

• Multiple awards may be made.

• The Government reserves the right to make an award on any item for a quantity less than the quantity offered.

• Offers must be submitted to the office specified in the solicitation at or before the exact time specified.

• Offers may be submitted on SF 1449, letterhead stationery, or as otherwise specified.

• Offers must be held firm for 30 calendar days from the date specified for receipt of offers, unless otherwise specified.

• Product samples may be required and must be submitted at or prior to the time specified for receipt of offers.

• Offerors are encouraged to submit multiple offers with alternative terms and conditions.

• Late submissions, modifications, revisions, and withdrawals of offers will generally not be considered unless received before award and specific conditions are met.

• Offers may be withdrawn by written notice received at any time before the exact time set for receipt of offers.

• Information regarding NAICS codes and small business size standards will appear elsewhere in the solicitation.

• Specific set-aside information (e.g., for small business, HUBZone, 8(a), etc.) is detailed, including conditions for simplified acquisition thresholds and price evaluation preferences.

• Availability of requirements documents cited in the solicitation can be found on the ASSIST website (https://assist.dla.mil) or obtained from specific agency addresses.

• Nongovernment (voluntary) standards must be obtained from the responsible organization.

• Offerors must be registered in the System for Award Management (SAM) and provide their Unique Entity Identifier.

• Information regarding post-award debriefings is provided.

Amendment / Modification

This document is an addendum to FAR 52.212-1, Instructions to Offerors, for Solicitation W912CL-26-Q-A012.

Key instructions and clarifications for offerors include:

• Quote Submission Deadline: Quotes are due no later than the date and time specified in Block 8 of the SF1449, in Central Daylight Time.

• Questions and RFIs: All questions and RFIs must be submitted via email to the contracting office (nathanial.d.gaunt.civ@army.mil and vernon.d.shank.mil@army.mil) no later than 7 calendar days after the solicitation issuance date, by 02:00 PM Central Daylight Time.

• CAGE/NCAGE: Offerors must have an active CAGE/NCAGE registered in SAM.gov to be awarded a contract.

• Quote Submission Format:

  • Unit Price and Amount must be entered on page 2 of the solicitation (SF1449).
  • Prices must be in U.S. Dollars, rounded to the nearest cent.
  • Transportation costs must be included in the CLIN.
  • A separate Technical Plan is required, following the format and content described in Section 6.
  • Quotes must be submitted in English.

• Technical Plan Requirements (Section 6):

  • Must explain the technical approach for sourcing, acquiring, and delivering supplies per the SOW.
  • Must describe how the approach aligns with commercial practices.
  • Specific content requirements include:
    • Title Page: Solicitation number, company name, and proprietary data disclosure position.
    • Table of Contents.
    • Supply Specifications: Documentation verifying quantities and specifications meet SOW requirements.
    • Delivery Plan: Details on suppliers, vehicles, site access, and logistics to demonstrate capability and compliance with laws and regulations.
  • Company name must only appear on the title page; all other references must be removed.

• FAR 52.212-1, Instructions to Offerors.

• Solicitation W912CL-26-Q-A012.

• Technical Plan requirements (Section 6).

• Evaluation criteria (Addendum to 52.212-2).

• Clarifies submission procedures and deadlines for quotes and questions.

• Outlines specific content and formatting requirements for the Technical Plan.

• Details the evaluation factors: Technical (Supply Specifications & Delivery Plan) and Price. Award will be made to the lowest priced, technically acceptable offer.

Statement of Work (SOW)

To deliver gravel, geo-textiles, and silt fencing to support U.S. Army earthwork improvements and future Jungle Operation Training Courses at the Base Aeronaval Cristobal Colon, formerly known as Fuerte Sherman/Fort Sherman.

• Furnish all labor, transportation, equipment, and services for the delivery of materials.

• Deliver 5,183 loose cubic yards of 3/4"-0 angular crushed stone mixed with stone dust.

• Deliver 206,000 square feet of geo-textile material.

• Deliver 2,050 feet of silt fencing.

• Materials must meet U.S. Government standards and will be inspected.

• Contractor is responsible for providing transportation and delivery to specified sites.

• Gravel must be durable, free of clay, organic matter, or debris.

• Geo-textile fabric and silt fencing must be delivered by specific dates (geo-textile by May 18, 2026; silt fencing by May 18, 2026).

• Deliveries to be made between 0900 and 1500 unless otherwise directed.

• Spills must be immediately contained, cleaned, and reported.

• Personnel must wear appropriate PPE (helmets, reflective vests, safety footwear).

• Period of Performance: Begins May 18, 2026, and ends upon final delivery of all materials.

• Place of Performance: Base Aeronaval Cristobal Colon, Panama.

• Contractor must comply with all applicable Panamanian safety laws and U.S. Army regulations.

• Contractor must provide proof of safety notifications required by Panama.

• Contractor is responsible for environmental protection and waste disposal.

• Contractor must ensure personnel are eligible for employment and comply with security and access requirements.

• A firm fixed price contract is anticipated.

• Key personnel (Contract Manager and alternate) must be designated within 3 days of notice to proceed.

Form / Attachment / Pricing Sheet

This document, "52.212-1 Instructions to Offerors—Commercial Products and Commercial Services," provides essential instructions for potential bidders responding to solicitations for commercial products and services. It outlines the requirements for submitting a compliant offer.

• NAICS Code and Size Standard: Information on the applicable North American Industry Classification System (NAICS) code and small business size standard is found elsewhere in the solicitation. Specific size standards apply to concerns not manufacturing end items and IT value-added resellers.
• Offer Submission: Offers must be signed, dated, and submitted by the specified deadline. They can be submitted on SF 1449, letterhead, or as otherwise specified. Minimum required information includes solicitation number, receipt time, offeror details, technical description, warranty terms, price, "remit to" address, completed FAR 52.212-3 representations and certifications, acknowledgment of amendments, past performance information, and a statement of agreement with solicitation terms if not using SF 1449.
• Offer Acceptance Period: Offerors must hold prices firm for 30 calendar days, or as otherwise specified.
• Product Samples: If required, samples must be submitted at no cost to the government and returned at the offeror's expense.
• Multiple Offers: Offerors are encouraged to submit multiple offers with alternative terms or items.
• Late Submissions: Late offers will generally not be considered unless specific exceptions apply.
• Contract Award: The government may award without discussions, but reserves the right to hold discussions if necessary. Offers may be rejected, awards made to other than the lowest offer, and informalities waived.
• Unique Entity Identifier: Offerors exceeding the micro-purchase threshold must provide their Unique Entity Identifier (UEI) and EFT indicator.
• Debriefing: Information to be disclosed during a post-award debriefing is outlined.

This document is critical for understanding the specific requirements and procedures for preparing and submitting a compliant offer. Bidders must carefully review all listed requirements, especially regarding content, format, deadlines, and representations and certifications, to avoid exclusion from consideration.

Solicitation / RFP / RFQ

This solicitation is for JOTC Gravel Pad Supplies, which include Gravel, Geotextile Fabric, and Silt Fencing. The acquisition will utilize Simplified Acquisition Procedures for commercial products in accordance with FAR 13.5.

• Item 0001: JOTC Gravel Pad - Gravel, 3/4" (5,183 Cubic Yards)
• Item 0002: JOTC Gravel Pad - Woven Geotextile Fabric (206,600 Square Feet)
• Item 0003: JOTC Gravel Pad - Wire-backed Silt Fence with Stakes (2,050 Linear Feet)

All items are to be delivered FOB Destination. Specific details for each item, including SOW references, are provided in Attachment 1.

• Pricing Arrangement: Firm Fixed Price for all items.

• Period of Performance: Delivery dates are specified as "On Or Before" May 29, 2026 for Item 0001, and May 18, 2026 for Items 0002 and 0003.

• Solicitation Number: W912CL26QA012

• Solicitation Issue Date: 02 APR 2026

• Offer Due Date/Local Time: 15 APR 2026, 10:00 AM

• Evaluation Factors: Technical and Price.

• Acquisition Type: Unrestricted.

• NAICS Code: 423320 (Wholesale Trade - Durable Goods Merchant Wholesalers).

• Size Standard: Not specified.

• The solicitation incorporates FAR clauses 52.212-1, 52.212-4, and 52.212-5 by reference, with addenda.

• Inspection and Acceptance locations are detailed, with instructions to see Technical Exhibit 1 for specific locations in Cristobol Colon, Panama.

• Payment will be made via Wide Area WorkFlow (WAWF).