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15kV Switchgear & Station Service Replacement at Lake Tenkiller, OK

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W912BV26RA032Federal

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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The U.S. Army Corps of Engineers – Tulsa District is preparing to solicit a contract for the replacement of 15kV switchgear and station service systems at Lake Tenkiller, Oklahoma, with an estimated construction value between five and ten million dollars. This pre-solicitation notice outlines a design-bid-build project that will be awarded as a Small Business Set-Aside under FAR 19.5 using the Lowest Price Technically Acceptable evaluation method, with no tradeoffs permitted. The scope includes full removal and replacement of aging electrical infrastructure such as 15kV switchgear, station service transformers, 480V switchgear, asbestos-containing cable trays, and associated cabling, along with installation of new front-accessible double-ended 480V switchgear, high-resistance grounded wye transformers, new 15kV cables and potheads, updated control and annunciation wiring, modified protective relay settings, automatic transfer functionality, arc flash mitigation switches, and relocation of the lighting transformer. The project will require reconfiguration of the diesel generator to a wye-grounded system with high-resistance grounding. The contract is classified under NAICS code 238210, with a small business size standard of $19 million, and falls under the Product Service Code Y1NZ for construction of other utilities. The anticipated solicitation is scheduled for issuance on or about July 20, 2026, with proposals due on or about August 19, 2026. The estimated construction duration is 900 calendar days, and performance will take place at Paradise Hill, Oklahoma. All questions and correspondence should be directed to the primary point of contact, Tyler Godwin, or the secondary contact, Dario Rissone, at the Tulsa District office. This pre-solicitation notice serves only to gather industry input and does not constitute a request for proposals or guarantee of contract award; no reimbursement will be provided for costs incurred in responding to this notice.

General Info

Replace 15kV and 480V switchgear at Lake Tenkiller under $10M small business set-aside, LPTA, 900-day duration.

Agency

Department Of Defense → W076 Endist TulsaView Agency

NAICS

238210 - Electrical Contractors and Other Wiring Installation ContractorsView NAICS

Place of Performance

Paradise Hill, OK, USA

Set-Aside

SBA

Documents

(0)

No documents available

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Timeline

PhasePresolicitation
Posted

Presolicitation

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Organization & Contact Information

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AgencyDepartment Of Defense → W076 Endist Tulsa
Contacts2 people available
OfficeTULSA, OK, 74137-4290, USA
Organization / Agency
Department Of Defense → W076 Endist Tulsa
View Agency Profile
Office AddressTULSA, OK, 74137-4290, USA

Full Description

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Pre-solicitation Notice


For


15kV Switchgear & Station Service Replacement


at Lake Tenkiller, OK



This is a PRE-SOLICITATION NOTICE for the construction of a 15kV Switchgear & Station Service Replacement at Lake Tenkiller, in Oklahoma. THIS IS NOT A SOLICITATION FOR PROPOSALS AND NO CONTRACT WILL BE AWARDED FROM THIS SYNOPSIS.  No reimbursement will be made for any costs associated with providing information in response to this pre-solicitation notice or any follow up postings.



The U.S. Army Corps of Engineers – Tulsa District has been tasked to solicit for and award a contract to perform the 15kV Switchgear & Station Service Replacement at Lake Tenkiller, Oklahoma. The proposed design-bid-build project will be procured as a Small Business Set-Aside, firm-fixed price contract in accordance with Revolutionary FAR Overhaul (RFO) Part 15, Negotiated Procurement, using the Lowest Price Technically Acceptable approach. Tradeoffs will not be permitted.



Project Description:


The work includes Replace the three existing 15kV switchgear lineups for the generator breakers and station service transformer feeder breakers.



  • Removal of existing 500 kVA, 13.8 kV/480V station service transformer
  • Removal of existing 15 kV switchgear and breakers located beneath control room
  • Removal of 480V station service switchgear in control room
  • Removal of the existing 15kV cables to the switchyard
  • Removal of existing potheads for the 15kV cable transition to switchyard bus
  • Removal of the existing asbestos cable trays containing 15kV cables in cable tunnel
  • Installation of new 15kV cables to the switchyard
  • Installation of new potheads for the 15kV cable transition to switchyard bus
  • Installation of new cable trays containing the new 15kV cables in cable tunnel
  • Installation of front accessible double-ended 480V switchgear beneath control room with feeder

circuit breakers


  • Installation of 15kV switchgear with new vacuum circuit breakers and redundant 500 kVA

13.8kV/480V, high-resistance grounded wye station service transformers


  • Reconfiguration of project diesel generator to wye-grounded with high-resistance grounding

resistor.


  • New control and annunciation wiring for new 480V and 15kV switchgear where existing cables

are not reused.


  • Modifications to protective relay settings and new protection relays for the new station service

feeders.


  • Automatic transfer functionality for the 480V switchgear main & tie breakers, along with local arc

flash mitigation switches.


  • Replacement and relocation of existing Lighting Transformer


The estimated magnitude of construction for this project is between $5,000,000 and $10,000,000.



The North American Industrial Classification System (NAICS) Code for this procurement is 238210, Electrical Contractors and Other Wiring Installation Contractors, which has a small business size standard of $19M.



The Product Service Code is: Y1NZ (Construction of Other Utilities)



Estimated duration of construction of this project is 900 calendar days.



Anticipated solicitation issuance date is on or about 20 July 2026, and the estimated proposal due date will be on or about 19 August 2026.

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