B35 Critical Loop

Questions & Answers / Clarifications

This document contains responses to vendor questions regarding the B35 Critical Loop opportunity, clarifying technical requirements and project details.

• Transformer Room Distance: The distance between the transformer room and the Automatic Transfer Switch (ATS) is approximately 35 feet.
• Communication Room Load: A 200A disconnect is required for the communication room's total connected load.
• Transformer Type: New Medium Voltage (MV) transformers are required; refurbished units are not acceptable.
• Vault Drawings: As-built or record drawings of the existing vault cannot be provided; core drilling will be required for new openings.
• Conduit Encasing: Concrete encasing is only required at areas of open trenching. Boring under existing roads, sidewalks, or concrete pads will not require encasing. Hydrovac trenching in open grassy areas will require conduit to be encased in 4000 psi concrete.
• Transformer Provision: The new proposed transformer is to be provided by the contractor.
• Transformer Pad: The transformer pad must be 4000 psi reinforced concrete, minimum 4 inches thick, with the underlying soil compacted to 95% density.
• Cable Type: The 15KV #2 cable required is tape shield.
• Cable Testing: The 15KV cable will require VLF testing.
• Route Determination: The specific route for new cabling is to be determined by the contractor, with suggested routes provided on the drawings. Redlines of the chosen route will be required for future reference.

These clarifications provide specific details on materials, installation methods, and routing, which bidders should incorporate into their proposals and cost estimates. No changes to due dates or submission rules are indicated.

Questions & Answers / Clarifications

This document contains responses to Requests for Information (RFIs) regarding the B35 Critical Loop project, providing clarifications on technical specifications and requirements.

• Distance to ATS: The linear distance between the transformer room and the Automatic Transfer Switch (ATS) is approximately 35 feet.
• Communication Room Load: A 200A disconnect is required for the communication room's total connected load.
• Transformer Type: New Medium Voltage (MV) transformers are required; refurbished units are not acceptable.
• Vault Access: Core drilling will be required for new openings into the existing vault; existing sleeves are not available.
• Conduit Encasement: Conduit encasement in concrete is only required at areas of open trenching. Boring will be required under existing roads, sidewalks, and concrete pads. Hydrovac trenching may be used in open grassy areas, with conduit encased in 4000 psi concrete.
• Cable Route: The specific route for new cabling is to be determined by the contractor.
• Transformer Provision: The new proposed transformer is to be provided by the contractor.
• Transformer Pad: The transformer pad must be 4000 psi reinforced concrete, minimum 4 inches thick, with underlying soil compacted to 95% density.
• Tax Exemption: A tax-exempt certificate will be issued for this project.
• Cable Type: The 15KV cable required is tape shield.
• Cable Testing: The 15KV cable will require VLF testing.
• Transformer Paint: Brown is the preferred color for the transformer, but it is not a strict requirement.
• Steel Casing: There is no requirement for steel casing in the SOW. The concrete specified is 4000 psi where used. Schedule 80 PVC conduit is typically used for the 4-inch conduit.

These clarifications provide essential details for bidders regarding material specifications, installation methods, and site requirements, which may impact cost estimations and project planning.

Questions & Answers / Clarifications

This document contains responses to vendor questions regarding the B35 Critical Loop opportunity.

• Transformer Room to ATS Distance: Approximately 35 feet.
• Communication Room Load: Requires a 200A disconnect.
• Transformer Type: New Medium Voltage (MV) transformers are required; refurbished units are not acceptable.
• Existing Vault Drawings: As-built or record drawings of the existing vault will not be provided; core drilling will be required for new wiring.
• Cable Encasing: Boring is required only under existing roads, sidewalks, and concrete pads. Hydrovac trenching may be used in open grassy areas, with conduit encased in 4000 psi concrete.
• Cabling Route: The specific route for new cabling is to be determined by the contractor.
• Transformer Provision: The transformer will be provided by the contractor.
• Transformer Pad Requirements: 4000 psi reinforced concrete, minimum 4 inches thick, with underlying soil compacted to 95% density.
• Tax Exemption: A tax-exempt certificate will be issued for this project.
• 15KV Cable Type: Tape shield cable is required.
• 15KV Cable Testing: VLF testing is required.
• Transformer Paint Color: Brown is preferred but not required.

These clarifications provide specific details on material requirements, installation methods, and site conditions that bidders should consider when preparing their proposals.

Amendment / Modification

This amendment modifies the solicitation W50S7X26QA001, originally dated 05 FEB 2026.

• NAICS Code Change: The North American Industry Classification System (NAICS) code has been changed from 238210 (Electrical Contractors and Other Wiring Installation Contractors) to 237130 (Power and Communication Line and Related Structures Construction).

• Clause Modification: The clause 52.219-28, "Postaward Small Business Program Rerepresentation" (Feb 2026), has been modified. The updated clause provides definitions and requirements for contractors regarding their small business status, including representations for various small business categories (e.g., small disadvantaged, women-owned, HUBZone, SDVOSB) and joint ventures. It also outlines the process for updating representations in SAM and the consequences of misrepresentation.

• Section A - Solicitation/Contract Form (NAICS Code)

• Section B - Supplies or Services & Prices or Costs (CLIN 0001 - NAICS Code)

• Section I - Contract Clauses (Clause 52.219-28)

• Section K - Representations, Certification, & Other Statements (Clause 52.219-1)

• The NAICS code change may affect a bidder's eligibility or how they categorize their business for this opportunity.

• Bidders must review the updated "Postaward Small Business Program Rerepresentation" clause and ensure their representations are accurate and submitted as required.

Solicitation / RFP / RFQ

This solicitation is for a Firm Fixed Price (FFP) contract for the "B35 Critical Electrical Line Installation" project at McConnell AFB, KS. The work involves installing a critical electrical line to Building 35's communications room to ensure continuous power during outages, by powering it from the critical loop fed from Building 16.

• Installation of a critical electrical line to Building 35 communications room.

• Powering the new line from the critical loop fed from Building 16.

• Contract Type: Firm Fixed Price (FFP).

• Period of Performance: 10 calendar days after notice to proceed to completion.

• Estimated Value: Not specified.

• Proposal Submission Deadline: 12 March 2026, 09:00 AM local time.

• Submission Method: Sealed offers are to be submitted to the address in Item 8. Electronic submission is also accepted via email to 184WG.MSG.CONTRACTING@us.af.mil.

• Evaluation Factors: The award will be made to the responsible Small Business Offeror that represents the Best Value to the Government, considering Price and Experience/Capability. Price is more important than experience and capability.

• Offer Acceptance Period: Offers must be valid for at least 30 calendar days.

• This solicitation is set-aside 100% for small businesses.

• Offerors must be registered in the System for Award Management (SAM).

• A pre-offer conference and site visit are scheduled for 12 February 2026.

• All questions must be submitted via email by 27 Feb 2026.

• Performance and Payment Bonds are required (YES).

• The contract is expected to be 76 pages in length.

Solicitation / RFP / RFQ

This solicitation is for a Firm Fixed Price contract for the "B35 Critical Electrical Line Installation" project at McConnell AFB, KS. The work involves installing a critical electrical line to Building 35's communications room, which will be powered off the critical loop fed from Building 16. This is intended to provide continuous power to the comm node in the event of an outage.

• Installation of a critical electrical line to Building 35 communications room.

• Powering the new line from the critical loop fed from Building 16.

• Contract Type: Firm Fixed Price.

• Period of Performance: 10 calendar days for performance to begin after notice to proceed, with completion within 60 calendar days after notice to proceed.

• Performance Bonds: Required.

• Proposal Submission Deadline: 12 March 2026, 09:00 AM local time.

• Offer Acceptance Period: Minimum of 30 calendar days.

• Evaluation Criteria: Award will be made to the responsible Small Business Offeror whose offer represents the Best Value to the Government, considering Price and Experience/Capability. Price is more important than experience and capability.

• Pre-Offer Conference and Site Visit: Scheduled for 12 February 2026 at 09:00 CST.

• Questions Deadline: 27 February 2026.

• This solicitation is set-aside 100% for small businesses.

• All information, including amendments, will be posted on SAM.gov.

• Electronic submission of offers is required.

• Offerors must be registered in the System for Award Management (SAM) database.

• A pre-construction conference will be held.

Amendment / Modification

This amendment modifies the solicitation W50S7X26QA001 by:

• Extending the offer due date by 7 days, from March 5, 2026, to March 12, 2026.

• Including a revised Statement of Work (SOW).

• Section A - Solicitation/Contract Form: The Response Due Date has been changed.

• Section I - Contract Clauses: Clause 252.236-7001, Contract Drawings and Specifications (AUG 2000), has been modified. The revised clause details the contractor's responsibilities regarding contract drawings and specifications, including checking, comparing, notifying of discrepancies, and reproducing them.

• Section J - List of Attachments: The attachments table has been updated to reflect changes in contract documents. Specifically:

  • The SOW titled "SOW PRQE252854 B35 Critical Electrical line Installation - Revised" has been added.
  • The SOW titled "SOW PREQE252854 - Critical Line Installation" has been deleted.
  • Miscellaneous text in this section has been modified to reference the revised SOW and the "Proposed B35 Critical Power Circuit Routes."

• The proposal submission deadline has been extended to March 12, 2026.

• Bidders should ensure they are using the revised Statement of Work and updated attachment information when preparing their proposals.

Questions & Answers / Clarifications

This document provides responses to vendor questions regarding the B35 Critical Loop opportunity.

• Transformer Room to ATS Distance: The linear distance is approximately 35 feet.
• Communication Room Load: Requires a 200A disconnect for the total connected load.
• Transformer Type: New Medium Voltage (MV) transformers are required; refurbished units are not acceptable.
• Vault Drawings: As-built or record drawings of the existing vault will not be provided. Core drilling will be required for new openings.
• Concrete Encasing: Boring is only required under existing roads, sidewalks, and concrete pads. Hydrovac trenching may be used in open grassy areas, with conduit encased in 4000 psi concrete where hydrovac is utilized.
• Cabling Route (COA #1): The specific route for the new cabling is to be determined by the contractor.
• Other Cable Routes (COA #2, COA #3): These routes are confirmed as not part of this work scope.
• Transformer Provision: The new proposed transformer will be provided by the contractor.
• Transformer Pad Requirements: A 4000 psi reinforced concrete pad, minimum 4 inches thick, is required, with the underlying soil compacted to 95% density.

These clarifications provide specific details on distances, load requirements, material specifications (new transformers, concrete pad), installation methods (boring vs. trenching, core drilling), and contractor responsibilities (transformer provision, route determination). Bidders should incorporate these details into their proposals and technical approaches.

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

To install a critical electrical line to Building 35's communications room at McConnell AFB, Wichita, Kansas, to ensure continuous power in the event of an outage.

• Installation of a 4" conduit (approx. 600 linear feet) via horizontal directional drilling from C2SG to Building 35.

• Installation of a 75 KVA transformer at the northeast corner of Building 35's communications room.

• Installation of a 6x6x6' precast utility vault with an elevated access top midway between C2SG and Building 35.

• Pulling and terminating Number 2 AWG 15KV wire through the conduit and connecting to the vacant switch at C2SG.

• Pulling 4/O wire from the transformer secondary to a disconnect and then to a transfer switch.

• Connecting the transfer switch inside the communications room, including providing necessary wires and lugs.

• Coordination with base personnel for power switch-over, requiring a minimum of 30 days' notice prior to energizing the new critical line.

• All work must comply with applicable electrical codes and base regulations.

• Materials and workmanship must meet industry standards and project specifications.

• Documentation of installation and testing procedures is required.

• Location: Building 35 at McConnell AFB, Wichita, Kansas.

• Access to Building 35 is restricted; escorts will be provided by building occupants.

• Contractor must coordinate with Civil Engineer (CE) Operations for base access.

• Compliance with all applicable federal, state, and local codes and standards, including industry-specific standards (e.g., NEC, OSHA).

• Adherence to McConnell AFB Hazardous Materials Management Program (HMMP).

• Confined space entry procedures must be followed if applicable.

• Site inspection is required prior to bid submission.

• Base access procedures must be followed for all personnel.

Solicitation / RFP / RFQ

This document outlines the solicitation for the "B35 Critical Line Installation" project at McConnell AFB. The project involves the installation of critical lines within Building 35.

• The primary deliverable is the "B35 Critical Line Installation."

• All items on the offer schedule must be priced.

• Offerors must acknowledge all amendments to the solicitation.

• Contract Type: Firm-Fixed Price

• Disclosure of Magnitude: Between $100,000 and $250,000 (IAW FAR 36.204(c))

• NAICS Code: 238210

• Construction Period: 60 Days after Notice to Proceed.

• Offer Evaluation Criteria: Price and Price Related Factors.

• All offers are due by 9:00 A.M. (CST) on 5 March 2026.

• Electronic offers should be sent to 184wg.msg.contracting@us.af.mil with the subject line: "W50S7X-26-Q-A001 Offer; Company name".

• Offers must be signed by an officer of the company.

• Questions concerning the project must be received in writing by 9:00 AM (CST) on 27 February 2026, emailed to 184wg.msg.contracting@us.af.mil with the subject line: "W50S7X-26-Q-A001 RFI's". Technical personnel should not be contacted.

• Set Aside: 100% Small Business.

• All information regarding the solicitation, plans, specifications, Q&A, site visit presentation, and amendments will be available on https://sam.gov.

• Offerors are strongly cautioned to carefully read the requirements of the solicitation and comply accordingly.

• For new entities registering in SAM.gov, an original, signed notarized letter stating authorization as Entity Admin is required before registration activation.

Other / Unclassified

This document is a sign-in sheet for a prospective offeror site visit meeting related to Project Title: B35 Critical Electrical Line Installation. The meeting took place on February 12, 2026, at 0900.

This document lists attendees from various firms and their positions, including government personnel (Contracting Officer, Project Manager) and representatives from potential offerors (e.g., Southwestern Electrical Co.). It provides a record of who attended the site visit, which may be relevant for bidders to understand who was present and potentially to identify key personnel involved in the opportunity.

Statement of Work (SOW)

To install a critical electrical line to Building 35's communications room at McConnell AFB, Wichita, Kansas, to ensure continuous power in the event of an outage.

• Furnish all labor, expertise, equipment, materials, facilities, transportation, and appliances necessary for the installation.

• Provide a complete and usable system; any omitted details for completeness are the contractor's responsibility at no cost to the government.

• Horizontal Directional Drilling: Approximately 600 linear feet of 4" conduit from C2SG to Building 35, encased in 4000 psi concrete at 5 feet below grade.

• Transformer Installation: Install a 12470V Delta to 120/208 3-phase, 150 amp, 75 KVA transformer at the northeast corner of Building 35's communications room.

• Utility Vault Installation: Install a 6x6x6' utility vault midway between C2SG and Building 35.

• Electrical Wiring: Pull Number 2 AWG 15KV wire through the conduit, terminate at the new transformer, and connect to the vacant switch at C2SG.

• Transfer Switch Connection: Pull wire from the transformer to the transfer switch inside the communications room.

• Deliverables: Installed and tested 4" conduit system with tracer wire, operational 75 KVA transformer, utility vault, connected and energized electrical system, and documentation of installation and testing procedures.

• Location: Building 35 at McConnell AFB, Wichita, Kansas.

• Access: Restricted; escorts provided by building occupants. Arrangements for entrance must be made with Civil Engineer (CE) Operations.

• Coordination: Contractor must coordinate with base personnel for power switch-over, providing a minimum of 30 days' notice prior to energizing the new critical line.

• Codes & Standards: Work must comply with federal, state, local, and industry codes and standards, including but not limited to NEC, OSHA, and Kansas DOT specifications.

• Confined Space: Contractor must follow specific procedures for confined space entry, including obtaining permits and briefings.

• Materials: All materials must conform to specifications and industry codes. Hazardous Materials (HAZMATs) must be identified, managed, and tracked, with Safety Data Sheets (SDS) required.

• Site Inspection: Contractors must acknowledge a site inspection at bid opening; no consideration will be given after award for existing conditions.

• Base Access: Access granted to McConnell AFB; all other areas are off-limits. Specific procedures for base access forms, security checks, and entry are detailed.

• Safety: Compliance with OSHA and AFOSH is the contractor's obligation. A pre-construction meeting is required.

• Clean-Up: Debris must be removed to an approved off-base location, with documentation provided.

• Government Resources: No government resources will be provided unless stated; contractor must provide all necessary resources.

Solicitation / RFP / RFQ

This solicitation is for a Firm Fixed Price (FFP) contract for the "B35 Critical Electrical Line Installation" project at McConnell AFB, KS. The work involves installing a critical electrical line to Building 35's communications room, which will be powered off the critical loop fed from Building 16. This is intended to ensure continuous power to the comm node in the event of an outage.

• Installation of a critical electrical line to Building 35 communications room.

• Powering the new line from the critical loop fed from Building 16.

• Contract Type: Firm Fixed Price (FFP).

• Period of Performance: To be determined, but performance begins within 10 calendar days after notice to proceed and completes within 60 calendar days.

• Estimated Value: Not specified.

• Proposal Submission Deadline: March 5, 2026, at 09:00 AM local time.

• Submission Method: Electronic submission to 184WG.MSG.CONTRACTING@us.af.mil.

• Evaluation Criteria: Best Value determination based on Price and Experience/Capability. Price is considered more important than experience and capability.

• Offer Validity: 30 calendar days after the offer due date.

• Pre-Offer Conference and Site Visit: February 12, 2026, at 09:00 CST at Building 3 Large Classroom, McConnell AFB, KS.

• This solicitation is set-aside 100% for small businesses.

• Offerors must be registered in the System for Award Management (SAM).

• All information and amendments will be posted on www.SAM.gov.

• Facsimile transmission of offers is not authorized.

• Performance and Payment Bonds are required (YES).

• NAICS Code: 238210

Form / Attachment / Pricing Sheet

This document is a set of three "Proposed Critical Power Routes" (COA #1, COA #2, COA #3) for the B35 project at McConnell AFB. It details the proposed routes for critical power infrastructure, including associated utilities like water, gas, and communication lines.

• Visual Representation: Maps illustrating the proposed routes overlaid on existing infrastructure.
• Utility Identification: Symbols and lines indicating various utilities such as water mains, water service lines, gas distribution lines, gas service lines, abandoned gas pipes, fiber optic cables, and electrical lines (primary, secondary, airfield lights, exterior lights, transformers).
• Key Locations: Buildings (labeled with numbers like 35, 36, 37, 42, 57) and specific points of interest are marked.
• Route Details: Each COA (Concept of Action) is delineated with its specific length (e.g., COA #1: 559.54 FT, COA #2: 360.91 FT, COA #3: 319.53 FT).
• Legend: A comprehensive legend explains the meaning of all symbols and line types used on the map.
• Coordinate System: WGS 1984 UTM Zone 14N.
• Issuing Authority: Kansas Air National Guard, 184th Civil Engineer Squadron.

This document is crucial for bidders to understand the physical layout and existing/proposed utility infrastructure where the B35 critical power project will be implemented. It provides essential spatial information for planning, estimating, and executing the work, highlighting potential conflicts or integration points with existing systems.

Form / Attachment / Pricing Sheet

This document is a "Sample Sources Sought Response Form" intended for interested firms to provide information in response to a Sources Sought Notice. It collects essential company and capability data to help the government determine potential sources for an upcoming procurement.

• Company Information: Requires Company Name, SAM-registered Address, CAGE Code, and DUNS Number.
• Socio-economic Status: Checkboxes for various categories including Large business, Small business, Small disadvantaged business, 8(a) program participant, HUB Zone business, Woman-Owned business, and Service-Disabled Veteran-Owned Small Business (SDVOSB).
• SAM Registration Confirmation: A statement confirming registration in the System for Award Management (SAM) or that registration is in process.
• Bonding Capability: Fields to specify the bonding capability for individual construction projects and for aggregate amounts.
• Certification: A statement acknowledging that incomplete or missing information may affect the firm's consideration for a set-aside.
• Signatory Information: Fields for Name, Title, and Signature.

This form is crucial for any bidder interested in responding to a Sources Sought Notice. Completing it accurately provides the government with the necessary information to assess a firm's qualifications, socio-economic status, and bonding capacity, which are critical factors in determining procurement strategies, including potential set-asides.