Mayfield Bank 2 GSU Transformer

TRANSMISSION & DISTRIBUTION
REQUEST FOR PROPOSALS
MAYFIELD BANK 2 GSU TRANSFORMER
SPECIFICATION NO. PT26-0110F

City of Tacoma
Transmission and Distribution
REQUEST FOR PROPOSALS PT26-0110F
MAYFIELD BANK 2 GSU TRANSFORMER
Submittal Deadline: 11:00 a.m., Pacific Time, Tuesday, October 6, 2026
Submittals must be received by the City's Procurement and Payables Division by 11:00 a.m. Pacific Time.
For electronic submittals, the City of Tacoma will designate the time of receipt recorded by our email server, as
the official time of receipt. This clock will be used as the official time of receipt of all parts of electronic bid
submittals. Include the specification number in the subject line of your email. Your submittal must be sent as
an attachment, links to your electronic submittal will not be accepted.
For in person submittals, the City of Tacoma will designate the time of receipt recorded by the timestamp
located at the lobby security desk, as the official time of receipt. Include the specification number on the
outside of the sealed envelope. Late submittals will be returned unopened and rejected as non-responsive.
Submittal Delivery: Sealed submittals will be received as follows:
By Email: In Person:
sendbid@tacoma.gov Tacoma Public Utilities Administration Building North,
Maximum email size including attachments: 35 MB. Main Floor, Lobby Security Desk
Multiple emails may be sent for each submittal. 3628 South 35th Street
Tacoma, WA 98409
Note: Email may pass through multiple servers before arriving Monday - Friday 8:00 am to 4:30 pm
at its destination. Please allow sufficient time for email delivery
of submittals. Timely electronic delivery is at the risk of the
supplier.
Bid Opening: Submittals must be received by the City's Procurement and Payables Division prior to 11:00
a.m. Pacific Time. Sealed submittals in response to a RFB will be opened Tuesday's at 11:15 a.m. by a
purchasing representative and read aloud during a public bid opening held at the Tacoma Public Utilities
Administrative Building North, 3628 S. 35th Street, Tacoma, WA 98409, conference room M-1, located on the
main floor. They will also be held virtually Tuesday's at 11:15 a.m. Attend a Zoom meeting via this link or call 1
(253) 215 8782, using meeting ID # 884 0268 0573, passcode # 070737.
Submittals in response to an RFP, RFQ or RFI will be recorded as received, but not read at bid opening. As
soon as possible, after 1:00 PM, on the day of submittal deadline, preliminary results will be posted to
www.TacomaPurchasing.org.
If you believe your submittal was sent timely and was not read at bid opening, please contact
sendbid@tacoma.gov immediately.
Solicitation Documents: An electronic copy of the complete solicitation documents may be viewed and
obtained by accessing the City of Tacoma Purchasing website at www.TacomaPurchasing.org.
* Register for the Bid Holders List to receive notices of addenda, questions and answers and related updates.
* Click here to see a list of vendors registered for this solicitation.
Pre-Proposal Meeting: A pre-proposal meeting will be held at11:00 AM PDT on September 9, 2026 at the
Mayfield Hydroelectrical Project, 253 Hydro Lane, Silver Creek, WA, 98585
Project Scope: The City of Tacoma (City) / Tacoma Public Utilities (TPU) is soliciting proposals to establish a
contract with a qualified vendor to fulfill the City's needs for a three-phase 13.8/240 kV, 38.4/51.2/64 MVA
generator step-up (GSU) transformer and isolated-phase bus connection
Estimate: $3,700,000
Form No. SPEC-040C Revised: 06/03/2024

Paid Sick Leave: The City of Tacoma requires all employers to provide paid sick leave in accordance with
State of Washington law.
Americans with Disabilities Act (ADA Information: The City of Tacoma, in accordance with Section 504 of
the Rehabilitation Act (Section 504) and the Americans with Disabilities Act (ADA), commits to
nondiscrimination on the basis of disability, in all of its programs and activities. Specification materials can be
made available in an alternate format by emailing the contact listed below in the Additional Information section.
Title VI Information:
"The City of Tacoma" in accordance with provisions of Title VI of the Civil Rights Act of 1964, (78 Stat. 252, 42
U.S.C. sections 2000d to 2000d-4) and the Regulations, hereby notifies all bidders that it will affirmatively
ensure that in any contract entered into pursuant to this advertisement, disadvantaged business enterprises
will be afforded full and fair opportunity to submit bids in response to this invitation and will not be discriminated
against on the grounds of race, color, national origin in consideration of award.
Additional Information: Requests for information regarding the specifications may be obtained by contacting
Aaron Bratton by email to Abratton@Tacoma.gov.
Protest Policy: City of Tacoma protest policy, located at www.tacomapurchasing.org, specifies procedures for
protests submitted prior to and after submittal deadline.
Meeting sites are accessible to persons with disabilities. Reasonable accommodations for persons with
disabilities can be arranged with 48 hours advance notice by calling 253-502-8468.
Form No. SPEC-040C Revised: 06/03/2024

TABLE OF CONTENTS
SUBMITTAL CHECK LIST ......................................................................................................... 5
1. BACKGROUND .................................................................................................................. 6
2. MINIMUM REQUIREMENTS .............................................................................................. 6
3. SCOPE OF SERVICES AND DELIVERABLES................................................................... 6
4. CONTRACT TERM ............................................................................................................. 6
5. CALENDAR OF EVENTS ................................................................................................... 6
6. INQUIRIES ......................................................................................................................... 7
7. PRE-PROPOSAL MEETING............................................................................................... 7
8. DISCLAIMER ...................................................................................................................... 7
9. EVALUATION CRITERIA .................................................................................................... 8
10. CONTENT TO BE SUBMITTED - This section represents 100% of the possible scoring
criteria. ....................................................................................................................................... 8
11. INTERVIEWS / ORAL PRESENTATIONS .....................................................................11
12. RESPONSIVENESS .....................................................................................................11
13. ACCEPTANCE / REJECTION OF SUBMITTALS ..........................................................11
14. CONTRACT OBLIGATION ............................................................................................12
15. STANDARD TERMS AND CONDITIONS ......................................................................12
16. INSURANCE REQUIREMENTS ....................................................................................12
17. PARTNERSHIPS ..........................................................................................................12
18. AWARD .........................................................................................................................12
19. PERFORMANCE BOND ...............................................................................................13
20. ENVIRONMENTALLY PREFERABLE PROCUREMENT ..............................................13
21. PROPRIETARY OR CONFIDENTIAL INFORMATION ..................................................13
22. ADDENDUMS ...............................................................................................................14
APPENDIX A - Technical and Special Provisions .....................................................................15
APPENDIX B - Submittal Package ...........................................................................................51
APPENDIX C - City of Tacoma Documents ..............................................................................59
Request for Proposal Specification No. PT26-0110F
Template Revised: 08/01/2025

SUBMITTAL CHECK LIST
This checklist identifies items to be included with your submittal. Any submittal received without
these required items may be deemed non-responsive and not be considered for award.
Submittals must be received by the City of Tacoma Purchasing Division by the date and time
specified in the Request for Proposal page.
The following items make up your submittal package:
One electronic copy of your complete submittal package
Signature Page (Appendix B)
Proposal Form (Appendix B)
Information in Section 10 Content to be submitted (Forms in Appendix B)
Set of Drawings (see 4.2 Special Provisions)
After award, the following documents will be executed:
Supplies Contract (Appendix C)
Certificate of Insurance (Appendix C)
Performance Bond (Appendix C)
Request for Proposal Specification No. PT26-0110F
Template Revised: 08/01/2025

1. BACKGROUND
The City of Tacoma (City) / Tacoma Public Utilities (TPU) is soliciting proposals to establish a
contract with a qualified vendor to fulfill the City's needs for a three-phase 13.8/240 kV,
38.4/51.2/64 MVA generator step-up (GSU) transformer and isolated-phase bus connection.
Contract will be awarded to the lowest responsive and responsible bidder based on price,
product quality and availability.
To learn more about the City of Tacoma, visit tacoma.gov
The City anticipates awarding one Contract. If desirable terms are presented, an additional
contract may be awarded.
Responses submitted and/or the selected firm(s) may be used for projects of similar type and
scope at the sole discretion of the City for up to one year.
2. MINIMUM REQUIREMENTS
Only bidders experienced in this type of work and with a record of successful completion of jobs
of similar scope over a period of ten years or more in the United States will be considered. The
City shall be the sole judge of the Bidder's ability to meet the requirements of this paragraph.
3. SCOPE OF SERVICES AND DELIVERABLES
It is the City's intent to select a manufacturer or manufacturer's representative that presents a
proposal package most in line with the City's preferred purchasing method(s).
4. CONTRACT TERM
The contract will be for a three-year period. The City reserves the right to cancel the contract for
any reason, by written notice, as stipulated in the contract.
5. CALENDAR OF EVENTS
This is a tentative schedule only and may be altered at the sole discretion of the City.
Contract may be issued after Public Utility Board.
The anticipated schedule of events concerning this RFP is as follows:
Publish and issue RFP: 8/24/2026
Pre-bid Meeting: 9/9/2026
Questions and Substitution Request due: 9/14/2026
Response to Questions and Substitution Request: 9/22/2026
Submittal Due Date: 10/6/2026
Submittal Evaluated on or about: 10/20/2026
Award Recommendation: November
Public Utility Board, on or about November
Request for Proposal Specification No. PT26-0110F
Template Revised: 08/01/2025

6. INQUIRIES
6.1 Questions should be submitted to Aaron Bratton via email to Abratton@tacoma.gov.
Subject line to read:
PT26-0110F - Mayfield Bank 2 GSU Transformer - VENDOR NAME
6.1 Questions are due by 3 pm on the date included in the Calendar of Events section.
6.2 Questions marked confidential will not be answered or included.
6.3 The City reserves the discretion to group similar questions to provide a single answer or
not to respond when the requested information is confidential.
6.4 The answers are not typically considered an addendum.
6.5 The City will not be responsible for unsuccessful submittal of questions.
6.6 Written answers to questions will be posted alongside the specifications at
www.tacomapurchasing.org
7. PRE-PROPOSAL MEETING
7.1 A pre-proposal meeting will be held on 11:00 AM PDT on September 9, 2026 at the
Mayfield Hydroelectrical Project, 253 Hydro Lane, Silver Creek, WA, 98585. Video
conference / teleconference option may be available upon request.
8. DISCLAIMER
The City is not liable for any costs incurred by the Respondent for the preparation of materials,
or a submittal submitted in response to this RFP, for conducting any presentations to the City, or
any other activities related to responding to this RFP, or to any subsequent requirements of the
contract negotiation process.
Request for Proposal Specification No. PT26-0110F
Template Revised: 08/01/2025

9. EVALUATION CRITERIA
A Selection Advisory Committee (SAC) will review and evaluate submittals. The relative weight
of each scoring criteria is indicated in the table below.
Criteria Max
Points
Qualifications/Experience of Firm 25
Total Evaluated Cost (See Sec 4.22 in Special Provisions Appendix A) 40
Progress Payment Schedule 15
Estimated Delivery Time ARO 15
Sustainability 5
Total 100
After the evaluation, the SAC may conduct interviews of the most qualified Respondents before
final selection.
9.1 The SAC may select one or more respondent to provide the services required.
9.2 The SAC may use references to clarify information in the submittals and interviews, if
conducted, which may affect the rating. The City reserves the right to contact references
other than those included in the submittal.
9.3 A significant deficiency in any one criteria is grounds for rejection of the submittal as a
whole.
10. CONTENT TO BE SUBMITTED - This section represents 100% of the possible
scoring criteria.
Proposals should formatted as 8 12" x 11". A "page" is defined as one single-side of a document
that has written text or graphics. The font should be Times New Roman or Arial with font size no
smaller than 11 and the margins shall be 0.75" or greater. Submittals should be limited to a
maximum of 10 pages, double-sided, or 20 pages total, excluding any required forms or
resumes. All pages that exceed the specified page limit will not be part of the evaluation.
A full and complete response to each of the "CONTENT TO BE SUBMITTED" items is expected
in a single location; do not cross reference to another section in your submittal.
Information that is confidential must be clearly marked and provide an index identifying the
affected page number(s) and locations(s) of such identified materials. See Section 1 of the
Standard Terms and Conditions - Solicitation 1.06 for Public Disclosure: Proprietary or
Confidential Information.
Respondents are to provide complete and detailed responses to all items below. Submittals that
are incomplete or conditioned in any way that contain alternatives or items not called for in this
RFP, or not in conformity with law, may be rejected as being non-responsive. The City will not
Request for Proposal Specification No. PT26-0110F
Template Revised: 08/01/2025

accept any submittal containing a substantial deviation from the requirements outlined in this
RFP.
Submittals should present information in a straightforward and concise manner, while ensuring
complete and detailed descriptions of the respondent's/team's abilities to meet the requirement
of this RFP. Emphasis will be on completeness of content. The written submittals should be
prepared in the sequential order as outlined below.
The City reserves the right to request clarification of any aspect of a firm's submittal or request
additional information that might be required to properly evaluate the submittal. A firm's failure to
respond to such a request may result in rejection of the firm's submittal. Firms are required to
provide responses to any request clarification within two (2) business days.
Requests for clarification or additional information shall be made at the sole discretion of the
City. The City's retention of this right shall no way diminish a Proposer's responsibility to submit
a submittal that is current, clear, complete and accurate.
10.1 Qualifications/Experience of Firm - 25 points
Provide an Experience Record covering at least ten years showing the supplying
of generator step-up transformers to electric utilities in the United States of
America. Generator step-up transformers should have high voltage ratings of at
least 200 kV and power ratings of at least 50 MVA. Experience Record should
include contact information for the entity that received the equipment.
10.2 Total Evaluated Cost - 40 points Total Evaluated Cost for Items 1 - 4 on Proposal sheet
in Appendix B will be evaluated. Formula found in Sec 4.22 of the Special Provisions in
Appendix A
10.3 Progress Payment Schedule - 15 points. City to evaluate vendor provided Progress
Payment schedule. Progress payment schedule example below
Milestone Payment Percentage
Drawing Approval 10%
Receipt of all Core and Coils Materials* 25%
Successful Completion of Factory 15%
Acceptance Tests
Delivery and Inspection of Unit 50%
*Vendor must supply the City's Engineer with a copy of their Bill of Lading
to show they are in receipt of these materials before payment will be
made.
Request for Proposal Specification No. PT26-0110F
Template Revised: 08/01/2025

10.4 Estimated Delivery ARO - 15 points
The bidder shall state on the Proposal Data Sheet the delivery time of the equipment
being furnished. Delivery time will be calculated from the date of "Letter of Notification of
Award" to placement on transformer foundation or rails at Mayfield Powerhouse. If
temporary placement of the transformer elsewhere at the Mayfield Hydroelectric Project is
deemed more advantageous to the City, delivery time will be considered ended upon
placement in the temporary storage area.
10.5 Sustainability - 5 points
Provide information on your company's commitment to the environment. Include your
sustainability statement and current practices. For more information, see our Respondents
Guide.
A. Does the Respondent have an organizational sustainability plan and/or policy? [ ] Yes [
] No
Provide additional information if checked "Yes," including whether it is made publicly
available (provide link) and how it is communicated to employees.
B. Does the Respondent have:
* Greenhouse gas emission reduction targets? [ ] Yes [ ] No
* Energy and water conservation targets? [ ] Yes [ ] No
* Waste reduction targets? [ ] Yes [ ] No
* Toxics use reduction targets? [ ] Yes [ ] No
* Pollution reduction targets? [ ] Yes [ ] No
* Measure progress regularly and publicly? [ ] Yes [ ] No
C. How will the Respondent, through service delivery and/or their own operations during the
contract period:
* Minimize greenhouse gas emissions?
* Minimize polluted stormwater runoff in Tacoma?
* Minimize waste generation?
* Minimize toxic use and/or generation?
* Minimize air pollution in Tacoma?
* Minimize resource extraction?
D. Demonstrate industry leadership across these areas? Is the Respondent an EnviroStars
recognized business? Provide any relevant certifications and/or verified results.
Request for Proposal Specification No. PT26-0110F
Template Revised: 08/01/2025