TDA Transformer 9-11 Interim Repair

Closed Solicitation Posted

Not the latest version. See the latest pre-solicitation from .

Solicitation number
W9127N25RA012
Agency
Responses due
Set-aside
Total Small Business

Opportunity facts

Place of performance
The Dalles, Oregon 97058, United States

Notice details come from SAM.gov. Updated .

About this opportunity

The U.S. Army Corps of Engineers Portland District solicited construction services for the repair and modification of three transformers (T9, T10, and T11) at The Dalles Lock and Dam located in Klickitat County, Washington and Wasco County, Oregon. The procurement targeted electrical contractors capable of performing comprehensive transformer repairs on 230,000/132,790-13200 Volt, 233,000 kVA class transformers manufactured by General Electric in 1972, with particular focus on addressing a failed high-voltage neutral conductor in transformer T10 that forced it out of service in 2018. The solicitation required contractors to perform detailed technical work including internal transformer inspection, oil drainage and processing, neutral conductor repair, component reinstallation, electrical testing, and commissioning services. Proposals were to be evaluated using a Best Value Tradeoff source selection method with nonpriced factors considered equal in importance. The solicitation underwent multiple deadline extensions, with the final due date extended to August 14, 2025, before ultimately being cancelled on September 4, 2025.

This procurement was designated as a 100% Total Small Business Set-Aside under NAICS code 238210 (Electrical Contractors and Other Wiring Installation) with a small business size standard of $19 million. The estimated project value ranged between $3 million and $5 million for a single firm-fixed-price construction contract. The work was to be performed at The Dalles Lock and Dam on the Columbia River, with transformers located on the powerplant intake deck. The contract included a performance period extending from July 2025 through September 2027, with the actual work timeline spanning 365 calendar days. Two mandatory site visits were scheduled during the solicitation process, with specific safety requirements including steel-toed boots, hardhats, and REAL ID-compliant identification for attendees. The solicitation included provisions for mobilization, demobilization, testing, commissioning, and optional asbestos removal services as separate contract line items.

Notice text

11 versions

Update #11 · Latest ·

*The purpose of this amendment (W9127N25RA0120009)  is to cancel Solicitation W9127N25RA012 TDA Transformer 9-11 Interim Repair in its entirety.. All other terms and conditions remain unchanged.

*The purpose of this amendment (W9127N25RA0120008)  is to revise Block 13B of the SF 1442 to state that an offer guarantee is not required. Payment and Performance Bonds are required in accordance with FAR 52.228-15, Performance and Payment Bonds—Construction. All other terms and conditions remain unchanged.

*The purpose of this amendment (W9127N25RA0120007) is to update the Wage Determination - specifically WA20250050 dated 18 July 2025.

*The purpose of this amendment is to provide photographs in response to questions raised during the second site visit. TDA USACE is offering up additional locations to complete the task of fixing the transformers.

*The purpose of this amendment is fourfold:To extend the solicitation closing date to August 14, 2025. To incorporate a second site visit, scheduled for July 21, 2025, in response to the unique nature of the requirement (see SF30 for full details). To clarify that AutoCAD will be used in place of MicroStation for all CAD files, reflecting the agency-wide transition toward AutoCAD as the new standard. Updated Wage Determinations - WDOR20250079 and WDWA20250050

*This update reflects CLIN 9 has been revised--replacing the two optional SLINs for asbestos removal (under and over 5 pounds) with a single CLIN for asbestos removal.

*This update adds an additional week to the solicitation. New closing date is 07/14/2025. 

*This update adds an additional two (2) weeks to the solicitation. New closing date is 07/07/2025.

*This update adds an additional week to the solicitation. New closing date is 06/20/2025.

*This update adds in two videos of the transformers and where the work will be conducted. 

The U.S. Army Corps of Engineer (USACE) Portland District intends to solicit construction firms who are interested in submitting a competitive firm-fixed-price proposal for this project. This announcement is for the construction/modification/repair of The Dalles T9, T10, and T11 transformers located in Klickitat County, Washington and Wasco County, Oregon.
Project Scope: The US Army Corps of Engineers (USACE) Portland District seeks Heavy and Civil Engineering Construction Contractors who can provide construction services for The Dalles Lock and Dam (“the Dalles” and “TDA”). The Dalles T9, T10, and T11 transformers are identical 230,000/132,790-13200 Volt, 233,000 kVA class Forced Oil and Forced Air (FOA) three-phase transformers manufactured by General Electric’s Pittsfield, Massachusetts facility in 1972. The T10 transformer was forced out of service in 2018 due to a failed high-voltage neutral conductor internal to the tank between the H1 and H2 windings. All three transformers are located outside on the powerplant intake deck on the Columbia River.
Acquisition Strategy: Proposals will be evaluated utilizing the Best Value Tradeoff source selection method. Nonpriced factors are equal in importance. This acquisition will result in a single fixed-price contract.
Magnitude of Construction: The estimated cost of the project is between $3,000,000 and $5,000,000.
Set Asides and Codes: This acquisition will be 100% Total Small Business Set-Aside. The North American Industrial Classification Code (NAICS) for this acquisition is NAICS: 238210 – Electrical Contractors and Other Wiring Installation. The PSC Code is Z2MD – Repair or Alteration of EPG Facilities – Hydro. The small business size standard is $19 million.
System for Award Management (SAM): Offerors must register in the SAM at https://www.sam.gov prior to submission of bids and prior to receiving an award.
Point of Contact: The USACE-NWP Contracting Office will be the sole point of contact for this action. E-mail responses to the Primary Point of Contact, Joseph Jarvis at joseph.b.jarvis@usace.army.mil. E-mail is the preferred method for receiving
responses to this notice.

THE GOVERNMENT RESERVES THE RIGHT TO CANCEL THIS SOLICITATION EITHER BEFORE OR AFTER THE CLOSING DATE. NO REIMBURSEMENT WILL BE MADE FOR ANY COSTS ASSOCIATED WITH PROVIDING INFORMATION IN
RESPONSE TO THIS PRESOLICITATION NOTICE OR ANY FOLLOW-UP INFORMATION REQUEST.

Update #10 ·

*The purpose of this amendment (W9127N25RA0120008)  is to revise Block 13B of the SF 1442 to state that an offer guarantee is not required. Payment and Performance Bonds are required in accordance with FAR 52.228-15, Performance and Payment Bonds—Construction. All other terms and conditions remain unchanged.

*The purpose of this amendment (W9127N25RA0120007) is to update the Wage Determination - specifically WA20250050 dated 18 July 2025.

*The purpose of this amendment is to provide photographs in response to questions raised during the second site visit. TDA USACE is offering up additional locations to complete the task of fixing the transformers.

*The purpose of this amendment is fourfold:To extend the solicitation closing date to August 14, 2025. To incorporate a second site visit, scheduled for July 21, 2025, in response to the unique nature of the requirement (see SF30 for full details). To clarify that AutoCAD will be used in place of MicroStation for all CAD files, reflecting the agency-wide transition toward AutoCAD as the new standard. Updated Wage Determinations - WDOR20250079 and WDWA20250050

*This update reflects CLIN 9 has been revised--replacing the two optional SLINs for asbestos removal (under and over 5 pounds) with a single CLIN for asbestos removal.

*This update adds an additional week to the solicitation. New closing date is 07/14/2025. 

*This update adds an additional two (2) weeks to the solicitation. New closing date is 07/07/2025.

*This update adds an additional week to the solicitation. New closing date is 06/20/2025.

*This update adds in two videos of the transformers and where the work will be conducted. 

The U.S. Army Corps of Engineer (USACE) Portland District intends to solicit construction firms who are interested in submitting a competitive firm-fixed-price proposal for this project. This announcement is for the construction/modification/repair of The Dalles T9, T10, and T11 transformers located in Klickitat County, Washington and Wasco County, Oregon.
Project Scope: The US Army Corps of Engineers (USACE) Portland District seeks Heavy and Civil Engineering Construction Contractors who can provide construction services for The Dalles Lock and Dam (“the Dalles” and “TDA”). The Dalles T9, T10, and T11 transformers are identical 230,000/132,790-13200 Volt, 233,000 kVA class Forced Oil and Forced Air (FOA) three-phase transformers manufactured by General Electric’s Pittsfield, Massachusetts facility in 1972. The T10 transformer was forced out of service in 2018 due to a failed high-voltage neutral conductor internal to the tank between the H1 and H2 windings. All three transformers are located outside on the powerplant intake deck on the Columbia River.
Acquisition Strategy: Proposals will be evaluated utilizing the Best Value Tradeoff source selection method. Nonpriced factors are equal in importance. This acquisition will result in a single fixed-price contract.
Magnitude of Construction: The estimated cost of the project is between $3,000,000 and $5,000,000.
Set Asides and Codes: This acquisition will be 100% Total Small Business Set-Aside. The North American Industrial Classification Code (NAICS) for this acquisition is NAICS: 238210 – Electrical Contractors and Other Wiring Installation. The PSC Code is Z2MD – Repair or Alteration of EPG Facilities – Hydro. The small business size standard is $19 million.
System for Award Management (SAM): Offerors must register in the SAM at https://www.sam.gov prior to submission of bids and prior to receiving an award.
Point of Contact: The USACE-NWP Contracting Office will be the sole point of contact for this action. E-mail responses to the Primary Point of Contact, Joseph Jarvis at joseph.b.jarvis@usace.army.mil. E-mail is the preferred method for receiving
responses to this notice.

THE GOVERNMENT RESERVES THE RIGHT TO CANCEL THIS SOLICITATION EITHER BEFORE OR AFTER THE CLOSING DATE. NO REIMBURSEMENT WILL BE MADE FOR ANY COSTS ASSOCIATED WITH PROVIDING INFORMATION IN
RESPONSE TO THIS PRESOLICITATION NOTICE OR ANY FOLLOW-UP INFORMATION REQUEST.

Update #9 ·

*The purpose of this amendment (W9127N25RA0120007) is to update the Wage Determination - specifically WA20250050 dated 18 July 2025.

*The purpose of this amendment is to provide photographs in response to questions raised during the second site visit. TDA USACE is offering up additional locations to complete the task of fixing the transformers.

*The purpose of this amendment is fourfold:To extend the solicitation closing date to August 14, 2025. To incorporate a second site visit, scheduled for July 21, 2025, in response to the unique nature of the requirement (see SF30 for full details). To clarify that AutoCAD will be used in place of MicroStation for all CAD files, reflecting the agency-wide transition toward AutoCAD as the new standard. Updated Wage Determinations - WDOR20250079 and WDWA20250050

*This update reflects CLIN 9 has been revised--replacing the two optional SLINs for asbestos removal (under and over 5 pounds) with a single CLIN for asbestos removal.

*This update adds an additional week to the solicitation. New closing date is 07/14/2025. 

*This update adds an additional two (2) weeks to the solicitation. New closing date is 07/07/2025.

*This update adds an additional week to the solicitation. New closing date is 06/20/2025.

*This update adds in two videos of the transformers and where the work will be conducted. 

The U.S. Army Corps of Engineer (USACE) Portland District intends to solicit construction firms who are interested in submitting a competitive firm-fixed-price proposal for this project. This announcement is for the construction/modification/repair of The Dalles T9, T10, and T11 transformers located in Klickitat County, Washington and Wasco County, Oregon.
Project Scope: The US Army Corps of Engineers (USACE) Portland District seeks Heavy and Civil Engineering Construction Contractors who can provide construction services for The Dalles Lock and Dam (“the Dalles” and “TDA”). The Dalles T9, T10, and T11 transformers are identical 230,000/132,790-13200 Volt, 233,000 kVA class Forced Oil and Forced Air (FOA) three-phase transformers manufactured by General Electric’s Pittsfield, Massachusetts facility in 1972. The T10 transformer was forced out of service in 2018 due to a failed high-voltage neutral conductor internal to the tank between the H1 and H2 windings. All three transformers are located outside on the powerplant intake deck on the Columbia River.
Acquisition Strategy: Proposals will be evaluated utilizing the Best Value Tradeoff source selection method. Nonpriced factors are equal in importance. This acquisition will result in a single fixed-price contract.
Magnitude of Construction: The estimated cost of the project is between $3,000,000 and $5,000,000.
Set Asides and Codes: This acquisition will be 100% Total Small Business Set-Aside. The North American Industrial Classification Code (NAICS) for this acquisition is NAICS: 238210 – Electrical Contractors and Other Wiring Installation. The PSC Code is Z2MD – Repair or Alteration of EPG Facilities – Hydro. The small business size standard is $19 million.
System for Award Management (SAM): Offerors must register in the SAM at https://www.sam.gov prior to submission of bids and prior to receiving an award.
Point of Contact: The USACE-NWP Contracting Office will be the sole point of contact for this action. E-mail responses to the Primary Point of Contact, Joseph Jarvis at joseph.b.jarvis@usace.army.mil. E-mail is the preferred method for receiving
responses to this notice.

THE GOVERNMENT RESERVES THE RIGHT TO CANCEL THIS SOLICITATION EITHER BEFORE OR AFTER THE CLOSING DATE. NO REIMBURSEMENT WILL BE MADE FOR ANY COSTS ASSOCIATED WITH PROVIDING INFORMATION IN
RESPONSE TO THIS PRESOLICITATION NOTICE OR ANY FOLLOW-UP INFORMATION REQUEST.

Update #8 ·

*The purpose of this amendment is to provide photographs in response to questions raised during the second site visit. TDA USACE is offering up additional locations to complete the task of fixing the transformers.

*The purpose of this amendment is fourfold:To extend the solicitation closing date to August 14, 2025. To incorporate a second site visit, scheduled for July 21, 2025, in response to the unique nature of the requirement (see SF30 for full details). To clarify that AutoCAD will be used in place of MicroStation for all CAD files, reflecting the agency-wide transition toward AutoCAD as the new standard. Updated Wage Determinations - WDOR20250079 and WDWA20250050

*This update reflects CLIN 9 has been revised--replacing the two optional SLINs for asbestos removal (under and over 5 pounds) with a single CLIN for asbestos removal.

*This update adds an additional week to the solicitation. New closing date is 07/14/2025. 

*This update adds an additional two (2) weeks to the solicitation. New closing date is 07/07/2025.

*This update adds an additional week to the solicitation. New closing date is 06/20/2025.

*This update adds in two videos of the transformers and where the work will be conducted. 

The U.S. Army Corps of Engineer (USACE) Portland District intends to solicit construction firms who are interested in submitting a competitive firm-fixed-price proposal for this project. This announcement is for the construction/modification/repair of The Dalles T9, T10, and T11 transformers located in Klickitat County, Washington and Wasco County, Oregon.
Project Scope: The US Army Corps of Engineers (USACE) Portland District seeks Heavy and Civil Engineering Construction Contractors who can provide construction services for The Dalles Lock and Dam (“the Dalles” and “TDA”). The Dalles T9, T10, and T11 transformers are identical 230,000/132,790-13200 Volt, 233,000 kVA class Forced Oil and Forced Air (FOA) three-phase transformers manufactured by General Electric’s Pittsfield, Massachusetts facility in 1972. The T10 transformer was forced out of service in 2018 due to a failed high-voltage neutral conductor internal to the tank between the H1 and H2 windings. All three transformers are located outside on the powerplant intake deck on the Columbia River.
Acquisition Strategy: Proposals will be evaluated utilizing the Best Value Tradeoff source selection method. Nonpriced factors are equal in importance. This acquisition will result in a single fixed-price contract.
Magnitude of Construction: The estimated cost of the project is between $3,000,000 and $5,000,000.
Set Asides and Codes: This acquisition will be 100% Total Small Business Set-Aside. The North American Industrial Classification Code (NAICS) for this acquisition is NAICS: 238210 – Electrical Contractors and Other Wiring Installation. The PSC Code is Z2MD – Repair or Alteration of EPG Facilities – Hydro. The small business size standard is $19 million.
System for Award Management (SAM): Offerors must register in the SAM at https://www.sam.gov prior to submission of bids and prior to receiving an award.
Point of Contact: The USACE-NWP Contracting Office will be the sole point of contact for this action. E-mail responses to the Primary Point of Contact, Joseph Jarvis at joseph.b.jarvis@usace.army.mil. E-mail is the preferred method for receiving
responses to this notice.

THE GOVERNMENT RESERVES THE RIGHT TO CANCEL THIS SOLICITATION EITHER BEFORE OR AFTER THE CLOSING DATE. NO REIMBURSEMENT WILL BE MADE FOR ANY COSTS ASSOCIATED WITH PROVIDING INFORMATION IN
RESPONSE TO THIS PRESOLICITATION NOTICE OR ANY FOLLOW-UP INFORMATION REQUEST.

Update #7 ·

*The purpose of this amendment is fourfold:To extend the solicitation closing date to August 14, 2025. To incorporate a second site visit, scheduled for July 21, 2025, in response to the unique nature of the requirement (see SF30 for full details). To clarify that AutoCAD will be used in place of MicroStation for all CAD files, reflecting the agency-wide transition toward AutoCAD as the new standard. Updated Wage Determinations - WDOR20250079 and WDWA20250050

*This update reflects CLIN 9 has been revised--replacing the two optional SLINs for asbestos removal (under and over 5 pounds) with a single CLIN for asbestos removal.

*This update adds an additional week to the solicitation. New closing date is 07/14/2025. 

*This update adds an additional two (2) weeks to the solicitation. New closing date is 07/07/2025.

*This update adds an additional week to the solicitation. New closing date is 06/20/2025.

*This update adds in two videos of the transformers and where the work will be conducted. 

The U.S. Army Corps of Engineer (USACE) Portland District intends to solicit construction firms who are interested in submitting a competitive firm-fixed-price proposal for this project. This announcement is for the construction/modification/repair of The Dalles T9, T10, and T11 transformers located in Klickitat County, Washington and Wasco County, Oregon.
Project Scope: The US Army Corps of Engineers (USACE) Portland District seeks Heavy and Civil Engineering Construction Contractors who can provide construction services for The Dalles Lock and Dam (“the Dalles” and “TDA”). The Dalles T9, T10, and T11 transformers are identical 230,000/132,790-13200 Volt, 233,000 kVA class Forced Oil and Forced Air (FOA) three-phase transformers manufactured by General Electric’s Pittsfield, Massachusetts facility in 1972. The T10 transformer was forced out of service in 2018 due to a failed high-voltage neutral conductor internal to the tank between the H1 and H2 windings. All three transformers are located outside on the powerplant intake deck on the Columbia River.
Acquisition Strategy: Proposals will be evaluated utilizing the Best Value Tradeoff source selection method. Nonpriced factors are equal in importance. This acquisition will result in a single fixed-price contract.
Magnitude of Construction: The estimated cost of the project is between $3,000,000 and $5,000,000.
Set Asides and Codes: This acquisition will be 100% Total Small Business Set-Aside. The North American Industrial Classification Code (NAICS) for this acquisition is NAICS: 238210 – Electrical Contractors and Other Wiring Installation. The PSC Code is Z2MD – Repair or Alteration of EPG Facilities – Hydro. The small business size standard is $19 million.
System for Award Management (SAM): Offerors must register in the SAM at https://www.sam.gov prior to submission of bids and prior to receiving an award.
Point of Contact: The USACE-NWP Contracting Office will be the sole point of contact for this action. E-mail responses to the Primary Point of Contact, Joseph Jarvis at joseph.b.jarvis@usace.army.mil. E-mail is the preferred method for receiving
responses to this notice.

THE GOVERNMENT RESERVES THE RIGHT TO CANCEL THIS SOLICITATION EITHER BEFORE OR AFTER THE CLOSING DATE. NO REIMBURSEMENT WILL BE MADE FOR ANY COSTS ASSOCIATED WITH PROVIDING INFORMATION IN
RESPONSE TO THIS PRESOLICITATION NOTICE OR ANY FOLLOW-UP INFORMATION REQUEST.

Update #6 ·

*This update reflects CLIN 9 has been revised--replacing the two optional SLINs for asbestos removal (under and over 5 pounds) with a single CLIN for asbestos removal.

*This update adds an additional week to the solicitation. New closing date is 07/14/2025. 

*This update adds an additional two (2) weeks to the solicitation. New closing date is 07/07/2025.

*This update adds an additional week to the solicitation. New closing date is 06/20/2025.

*This update adds in two videos of the transformers and where the work will be conducted. 

The U.S. Army Corps of Engineer (USACE) Portland District intends to solicit construction firms who are interested in submitting a competitive firm-fixed-price proposal for this project. This announcement is for the construction/modification/repair of The Dalles T9, T10, and T11 transformers located in Klickitat County, Washington and Wasco County, Oregon.
Project Scope: The US Army Corps of Engineers (USACE) Portland District seeks Heavy and Civil Engineering Construction Contractors who can provide construction services for The Dalles Lock and Dam (“the Dalles” and “TDA”). The Dalles T9, T10, and T11 transformers are identical 230,000/132,790-13200 Volt, 233,000 kVA class Forced Oil and Forced Air (FOA) three-phase transformers manufactured by General Electric’s Pittsfield, Massachusetts facility in 1972. The T10 transformer was forced out of service in 2018 due to a failed high-voltage neutral conductor internal to the tank between the H1 and H2 windings. All three transformers are located outside on the powerplant intake deck on the Columbia River.
Acquisition Strategy: Proposals will be evaluated utilizing the Best Value Tradeoff source selection method. Nonpriced factors are equal in importance. This acquisition will result in a single fixed-price contract.
Magnitude of Construction: The estimated cost of the project is between $3,000,000 and $5,000,000.
Set Asides and Codes: This acquisition will be 100% Total Small Business Set-Aside. The North American Industrial Classification Code (NAICS) for this acquisition is NAICS: 238210 – Electrical Contractors and Other Wiring Installation. The PSC Code is Z2MD – Repair or Alteration of EPG Facilities – Hydro. The small business size standard is $19 million.
System for Award Management (SAM): Offerors must register in the SAM at https://www.sam.gov prior to submission of bids and prior to receiving an award.
Point of Contact: The USACE-NWP Contracting Office will be the sole point of contact for this action. E-mail responses to the Primary Point of Contact, Joseph Jarvis at joseph.b.jarvis@usace.army.mil. E-mail is the preferred method for receiving
responses to this notice.

THE GOVERNMENT RESERVES THE RIGHT TO CANCEL THIS SOLICITATION EITHER BEFORE OR AFTER THE CLOSING DATE. NO REIMBURSEMENT WILL BE MADE FOR ANY COSTS ASSOCIATED WITH PROVIDING INFORMATION IN
RESPONSE TO THIS PRESOLICITATION NOTICE OR ANY FOLLOW-UP INFORMATION REQUEST.

Update #5 ·

*This update adds an additional week to the solicitation. New closing date is 07/14/2025. 

*This update adds an additional two (2) weeks to the solicitation. New closing date is 07/07/2025.

*This update adds an additional week to the solicitation. New closing date is 06/20/2025.

*This update adds in two videos of the transformers and where the work will be conducted. 

The U.S. Army Corps of Engineer (USACE) Portland District intends to solicit construction firms who are interested in submitting a competitive firm-fixed-price proposal for this project. This announcement is for the construction/modification/repair of The Dalles T9, T10, and T11 transformers located in Klickitat County, Washington and Wasco County, Oregon.
Project Scope: The US Army Corps of Engineers (USACE) Portland District seeks Heavy and Civil Engineering Construction Contractors who can provide construction services for The Dalles Lock and Dam (“the Dalles” and “TDA”). The Dalles T9, T10, and T11 transformers are identical 230,000/132,790-13200 Volt, 233,000 kVA class Forced Oil and Forced Air (FOA) three-phase transformers manufactured by General Electric’s Pittsfield, Massachusetts facility in 1972. The T10 transformer was forced out of service in 2018 due to a failed high-voltage neutral conductor internal to the tank between the H1 and H2 windings. All three transformers are located outside on the powerplant intake deck on the Columbia River.
Acquisition Strategy: Proposals will be evaluated utilizing the Best Value Tradeoff source selection method. Nonpriced factors are equal in importance. This acquisition will result in a single fixed-price contract.
Magnitude of Construction: The estimated cost of the project is between $3,000,000 and $5,000,000.
Set Asides and Codes: This acquisition will be 100% Total Small Business Set-Aside. The North American Industrial Classification Code (NAICS) for this acquisition is NAICS: 238210 – Electrical Contractors and Other Wiring Installation. The PSC Code is Z2MD – Repair or Alteration of EPG Facilities – Hydro. The small business size standard is $19 million.
System for Award Management (SAM): Offerors must register in the SAM at https://www.sam.gov prior to submission of bids and prior to receiving an award.
Point of Contact: The USACE-NWP Contracting Office will be the sole point of contact for this action. E-mail responses to the Primary Point of Contact, Joseph Jarvis at joseph.b.jarvis@usace.army.mil. E-mail is the preferred method for receiving
responses to this notice.

THE GOVERNMENT RESERVES THE RIGHT TO CANCEL THIS SOLICITATION EITHER BEFORE OR AFTER THE CLOSING DATE. NO REIMBURSEMENT WILL BE MADE FOR ANY COSTS ASSOCIATED WITH PROVIDING INFORMATION IN
RESPONSE TO THIS PRESOLICITATION NOTICE OR ANY FOLLOW-UP INFORMATION REQUEST.

Update #4 ·

*This update adds an additional two (2) weeks to the solicitation. New closing date is 07/07/2025.

*This update adds an additional week to the solicitation. New closing date is 06/20/2025.

*This update adds in two videos of the transformers and where the work will be conducted. 

The U.S. Army Corps of Engineer (USACE) Portland District intends to solicit construction firms who are interested in submitting a competitive firm-fixed-price proposal for this project. This announcement is for the construction/modification/repair of The Dalles T9, T10, and T11 transformers located in Klickitat County, Washington and Wasco County, Oregon.
Project Scope: The US Army Corps of Engineers (USACE) Portland District seeks Heavy and Civil Engineering Construction Contractors who can provide construction services for The Dalles Lock and Dam (“the Dalles” and “TDA”). The Dalles T9, T10, and T11 transformers are identical 230,000/132,790-13200 Volt, 233,000 kVA class Forced Oil and Forced Air (FOA) three-phase transformers manufactured by General Electric’s Pittsfield, Massachusetts facility in 1972. The T10 transformer was forced out of service in 2018 due to a failed high-voltage neutral conductor internal to the tank between the H1 and H2 windings. All three transformers are located outside on the powerplant intake deck on the Columbia River.
Acquisition Strategy: Proposals will be evaluated utilizing the Best Value Tradeoff source selection method. Nonpriced factors are equal in importance. This acquisition will result in a single fixed-price contract.
Magnitude of Construction: The estimated cost of the project is between $3,000,000 and $5,000,000.
Set Asides and Codes: This acquisition will be 100% Total Small Business Set-Aside. The North American Industrial Classification Code (NAICS) for this acquisition is NAICS: 238210 – Electrical Contractors and Other Wiring Installation. The PSC Code is Z2MD – Repair or Alteration of EPG Facilities – Hydro. The small business size standard is $19 million.
System for Award Management (SAM): Offerors must register in the SAM at https://www.sam.gov prior to submission of bids and prior to receiving an award.
Point of Contact: The USACE-NWP Contracting Office will be the sole point of contact for this action. E-mail responses to the Primary Point of Contact, Joseph Jarvis at joseph.b.jarvis@usace.army.mil. E-mail is the preferred method for receiving
responses to this notice.

THE GOVERNMENT RESERVES THE RIGHT TO CANCEL THIS SOLICITATION EITHER BEFORE OR AFTER THE CLOSING DATE. NO REIMBURSEMENT WILL BE MADE FOR ANY COSTS ASSOCIATED WITH PROVIDING INFORMATION IN
RESPONSE TO THIS PRESOLICITATION NOTICE OR ANY FOLLOW-UP INFORMATION REQUEST.

Update #3 ·

*This update adds an additional week to the solicitation. New closing date is 06/20/2025.

*This update adds in two videos of the transformers and where the work will be conducted. 

The U.S. Army Corps of Engineer (USACE) Portland District intends to solicit construction firms who are interested in submitting a competitive firm-fixed-price proposal for this project. This announcement is for the construction/modification/repair of The Dalles T9, T10, and T11 transformers located in Klickitat County, Washington and Wasco County, Oregon.
Project Scope: The US Army Corps of Engineers (USACE) Portland District seeks Heavy and Civil Engineering Construction Contractors who can provide construction services for The Dalles Lock and Dam (“the Dalles” and “TDA”). The Dalles T9, T10, and T11 transformers are identical 230,000/132,790-13200 Volt, 233,000 kVA class Forced Oil and Forced Air (FOA) three-phase transformers manufactured by General Electric’s Pittsfield, Massachusetts facility in 1972. The T10 transformer was forced out of service in 2018 due to a failed high-voltage neutral conductor internal to the tank between the H1 and H2 windings. All three transformers are located outside on the powerplant intake deck on the Columbia River.
Acquisition Strategy: Proposals will be evaluated utilizing the Best Value Tradeoff source selection method. Nonpriced factors are equal in importance. This acquisition will result in a single fixed-price contract.
Magnitude of Construction: The estimated cost of the project is between $3,000,000 and $5,000,000.
Set Asides and Codes: This acquisition will be 100% Total Small Business Set-Aside. The North American Industrial Classification Code (NAICS) for this acquisition is NAICS: 238210 – Electrical Contractors and Other Wiring Installation. The PSC Code is Z2MD – Repair or Alteration of EPG Facilities – Hydro. The small business size standard is $19 million.
System for Award Management (SAM): Offerors must register in the SAM at https://www.sam.gov prior to submission of bids and prior to receiving an award.
Point of Contact: The USACE-NWP Contracting Office will be the sole point of contact for this action. E-mail responses to the Primary Point of Contact, Joseph Jarvis at joseph.b.jarvis@usace.army.mil. E-mail is the preferred method for receiving
responses to this notice.

THE GOVERNMENT RESERVES THE RIGHT TO CANCEL THIS SOLICITATION EITHER BEFORE OR AFTER THE CLOSING DATE. NO REIMBURSEMENT WILL BE MADE FOR ANY COSTS ASSOCIATED WITH PROVIDING INFORMATION IN
RESPONSE TO THIS PRESOLICITATION NOTICE OR ANY FOLLOW-UP INFORMATION REQUEST.

Update #2 ·

*This update adds in two videos of the transformers and where the work will be conducted. 

The U.S. Army Corps of Engineer (USACE) Portland District intends to solicit construction firms who are interested in submitting a competitive firm-fixed-price proposal for this project. This announcement is for the construction/modification/repair of The Dalles T9, T10, and T11 transformers located in Klickitat County, Washington and Wasco County, Oregon.
Project Scope: The US Army Corps of Engineers (USACE) Portland District seeks Heavy and Civil Engineering Construction Contractors who can provide construction services for The Dalles Lock and Dam (“the Dalles” and “TDA”). The Dalles T9, T10, and T11 transformers are identical 230,000/132,790-13200 Volt, 233,000 kVA class Forced Oil and Forced Air (FOA) three-phase transformers manufactured by General Electric’s Pittsfield, Massachusetts facility in 1972. The T10 transformer was forced out of service in 2018 due to a failed high-voltage neutral conductor internal to the tank between the H1 and H2 windings. All three transformers are located outside on the powerplant intake deck on the Columbia River.
Acquisition Strategy: Proposals will be evaluated utilizing the Best Value Tradeoff source selection method. Nonpriced factors are equal in importance. This acquisition will result in a single fixed-price contract.
Magnitude of Construction: The estimated cost of the project is between $3,000,000 and $5,000,000.
Set Asides and Codes: This acquisition will be 100% Total Small Business Set-Aside. The North American Industrial Classification Code (NAICS) for this acquisition is NAICS: 238210 – Electrical Contractors and Other Wiring Installation. The PSC Code is Z2MD – Repair or Alteration of EPG Facilities – Hydro. The small business size standard is $19 million.
System for Award Management (SAM): Offerors must register in the SAM at https://www.sam.gov prior to submission of bids and prior to receiving an award.
Point of Contact: The USACE-NWP Contracting Office will be the sole point of contact for this action. E-mail responses to the Primary Point of Contact, Joseph Jarvis at joseph.b.jarvis@usace.army.mil. E-mail is the preferred method for receiving
responses to this notice.

THE GOVERNMENT RESERVES THE RIGHT TO CANCEL THIS SOLICITATION EITHER BEFORE OR AFTER THE CLOSING
DATE. NO REIMBURSEMENT WILL BE MADE FOR ANY COSTS ASSOCIATED WITH PROVIDING INFORMATION IN
RESPONSE TO THIS PRESOLICITATION NOTICE OR ANY FOLLOW-UP INFORMATION REQUEST.

Update #1 ·

The U.S. Army Corps of Engineer (USACE) Portland District intends to solicit construction firms who are interested in submitting a competitive firm-fixed-price proposal for this project. This announcement is for the construction/modification/repair of The Dalles T9, T10, and T11 transformers located in Klickitat County, Washington and Wasco County, Oregon.
Project Scope: The US Army Corps of Engineers (USACE) Portland District seeks Heavy and Civil Engineering Construction Contractors who can provide construction services for The Dalles Lock and Dam (“the Dalles” and “TDA”). The Dalles T9, T10, and T11 transformers are identical 230,000/132,790-13200 Volt, 233,000 kVA class Forced Oil and Forced Air (FOA) three-phase transformers manufactured by General Electric’s Pittsfield, Massachusetts facility in 1972. The T10 transformer was forced out of service in 2018 due to a failed high-voltage neutral conductor internal to the tank between the H1 and H2 windings. All three transformers are located outside on the powerplant intake deck on the Columbia River.
Acquisition Strategy: Proposals will be evaluated utilizing the Best Value Tradeoff source selection method. Nonpriced factors are equal in importance. This acquisition will result in a single fixed-price contract.
Magnitude of Construction: The estimated cost of the project is between $3,000,000 and $5,000,000.
Set Asides and Codes: This acquisition will be 100% Total Small Business Set-Aside. The North American Industrial Classification Code (NAICS) for this acquisition is NAICS: 238210 – Electrical Contractors and Other Wiring Installation. The PSC Code is Z2MD – Repair or Alteration of EPG Facilities – Hydro. The small business size standard is $19 million.
System for Award Management (SAM): Offerors must register in the SAM at https://www.sam.gov prior to submission of bids and prior to receiving an award.
Point of Contact: The USACE-NWP Contracting Office will be the sole point of contact for this action. E-mail responses to the Primary Point of Contact, Joseph Jarvis at joseph.b.jarvis@usace.army.mil. E-mail is the preferred method for receiving
responses to this notice.

THE GOVERNMENT RESERVES THE RIGHT TO CANCEL THIS SOLICITATION EITHER BEFORE OR AFTER THE CLOSING
DATE. NO REIMBURSEMENT WILL BE MADE FOR ANY COSTS ASSOCIATED WITH PROVIDING INFORMATION IN
RESPONSE TO THIS PRESOLICITATION NOTICE OR ANY FOLLOW-UP INFORMATION REQUEST.

Files

File Type Posted
Solicitation Cancellation Notice - W9127N25RA012 TDA Transformer 9-11 Interim Repair - KO Signed.pdf PDF
Solicitation Amendment W9127N25RA0120009 SF 30.pdf PDF
Solicitation Amendment W9127N25RA0120008 SF 30.pdf PDF
Solicitation Amendment - W9127N25RA0120008.pdf PDF
Solicitation Amendment W9127N25RA0120007 SF 30.pdf PDF
WD WA20250050_7.18.2025_Klickitat County.pdf PDF
Bidder Inquiry possible solutions.docx DOCX document
WD OR20250079_7.11.2025_Wasco County.pdf PDF
WD WA20250050_6.27.2025_Klickitat County.pdf PDF
Solicitation Amendment W9127N25RA0120006 SF 30.pdf PDF
Solicitation Amendment W9127N25RA0120005 SF 30.pdf PDF
TDTRANR25_SPECS_AMD0005.pdf PDF
Amd 0005 - 01 22 00.00 25.pdf PDF
Solicitation Amendment W9127N25RA0120004 SF 30.pdf PDF
Solicitation Amendment - W9127N25RA0120003.pdf PDF
Solicitation Amendment W9127N25RA0120002 SF 30.pdf PDF
Video 2 - neutral bus.mp4 MP4 file
Video 1 - T10 internal - neutral bar.mp4 MP4 file
contractor layout plan1_rev1.pdf PDF
contractor layout plan2_rev1.pdf PDF
Solicitation Amendment W9127N25RA0120001 SF 30.pdf PDF
DDP1.128_S-501XXX_covers.pdf PDF
contractor layout plan1.pdf PDF
contractor layout plan2.pdf PDF
TDTRANR25_SPECS_ADVERTISE.pdf PDF
Show all 25

Notice history

Notice Type Posted
Presolicitation - The Dalles Dam Generator Step-Up (GSU) Transformer T9, T10, and Optional T11 Repair and Refurbishment Latest pre-solicitation Pre-Solicitation
Sources Sought - TDA Transformer 9-11 Interim Repair Pre-Solicitation
This notice Solicitation
TDA Transformer 9-11 Interim Repair Pre-Solicitation
TDA Transformer 9-11 Interim Repair Original Pre-Solicitation

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