Sol_140G0226Q0090_Amd_0001.pdf

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SJG SOLAR/BPS/POWER CONDITIONING
Solicitation number
140G0226Q0090
Issued by

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This is Amendment 0001 to an unrestricted business solicitation (Solicitation No. 140G0226Q0090) issued by the USGS OAG Denver Acquisition Branch with an effective date of July 31, 2026. The solicitation is for the design and installation of a solar and battery energy storage system at a USGS facility, classified under NAICS Code 237130 (Power and Communication Line and Related Construction) with a $45 million small business size standard. The contract will be awarded on a firm fixed price basis with a period of performance from September 14, 2026, to December 13, 2026.

The contractor is responsible for determining system configuration to meet specified requirements, including sizing the photovoltaic array, battery storage system, and associated infrastructure to provide 72-hour runtime capability. The solicitation indicates that conceptual layouts are acceptable for proposal submission, with full engineering and stamped design documents required after award. The government will not provide historical electrical consumption data, load studies, critical load lists, or calculated load demands; vendors must conduct their own facility analysis. Buy American Act compliance is preferred, with non-U.S. materials requiring Contracting Officer approval. Equivalent manufacturers and hybrid inverter platforms are acceptable if performance requirements are met. A site visit is available with contractors providing their own roof access equipment. Technical guidance is available from Kristen Lewis (klewis@usgs.gov), administrative support from Robin Davis (rmdavis@usgs.gov), and contracting matters from Philip Robinson (philip_robinson@ios.doi.gov). All offers must be valid for 60 days and acknowledge receipt of this amendment prior to the solicitation deadline.

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A04_01_SJG_Backup_Power_System_SOO_050126.pdf PDF
B03_WD_PR20260037_05-18-2026.pdf PDF

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Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

(a) By completing items 8 and 15, and returning or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

E. IMPORTANT: is not is required copies to the issuing office.

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE

2. AMENDMENT/MODIFICATION NUMBER 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQUISITION NUMBER 5. PROJECT NUMBER (If applicable)

7.ADMINISTERED BY (If other than Item 6) CODE

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

FACILITY CODE

9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. is extended. is not extended.

12. ACCOUNTING AND APPROPRIATION DATA (If required) copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NUMBER AS DESCRIBED IN ITEM 14.

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER

NUMBER IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15C. DATE SIGNED

15A. NAME AND TITLE OF SIGNER (Type or print)

16C. DATE SIGNED

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

PAGE

6. ISSUED BY CODE

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X)

CODE

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

Previous edition unusable

PAGESOF

Contractor

The hour and date specified for receipt of Offers to sign this document and return

Karen La Bouff-Kind

See continuation page

USGS OAG DENVER ACQUISITION BRANCH

PO BOX 25046

204 DENVER FEDERAL CENTER

DENVER CO 80225-0046

USGS OAG DENVER ACQUISITION BRANCH

PO BOX 25046

DENVER CO 80225-0046

GDB

GDB

140G0226Q0090

07/31/2026

07/31/2026

1 8

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGES

NAME OF OFFEROR OR CONTRACTOR

SUPPLIES/SERVICES

(B)

UNIT

(D)

UNIT PRICE

(E)

AMOUNT

(F)

OPTIONAL FORM 336 (4-86)

Sponsored by GSA FAR (48 CFR) 53.110

ITEM NO.

(A)

QUANTITY

(C)

NSN 7540-01-152-8067

140G0226Q0090/0001

a) This acquisition is being conducted as a

Unrestricted Business solicitation. The North

American Industrial Classifications System

(NAICS) Code is 237130 - Power and

Communication Line and Related Construction and the associated small business size standard is

$45 million.

b) Refer to "Site Visit (Construction)" for information regarding a proposed site visit for contractors.

c) Information and requirements stated on pages

1 - 38 and attachments apply to this solicitation and subsequent contract.

d) Offerors shall submit quotes and questions and acknowledge solicitation amendments as stated in "Quotation Submission".

e) All offers must be valid for 60 days.

Q1. Is there a required minimum DC solar array size (kW)?

A1. Vendor is responsible for determining the configuration that meets the requirements listed in the work statement.

Q2. Is there a target AC output (kW) for the system?

A2. Vendor is responsible for determining the configuration that meets the requirements listed in the work statement.

Q3. Is the contractor responsible for determining the final PV system size based on the facility load analysis?

A3. Yes

Q4. Can USGS provide historical electrical consumption data (12¿24 months)?

A4. No, the solar/battery system will be used to power only part of the site. The electrical consumption data from the utility only provides information about the entire site. The values/information given in the work statement are based on the maximum consumption ratings of the equipment that will be powered by the solar/battery system.

Continued...

NAME OF OFFEROR OR CONTRACTOR

SUPPLIES/SERVICES

(B)

UNIT

(D)

UNIT PRICE

(E)

AMOUNT

(F)

OPTIONAL FORM 336 (4-86)

Sponsored by GSA FAR (48 CFR) 53.110

ITEM NO.

(A)

QUANTITY

(C)

Q5. Can USGS provide interval meter data or an hourly load profile?

A5. No, these data are not available.

Q6. Is there an existing load study available?

A6: No

Q7. Is there a list of the critical loads that must remain energized during an outage?

A7. No

Q8. Can USGS provide the anticipated future load growth, if any?

A8. The system should be designed to specifications listed in the work statement.

Q9. Is there a minimum battery storage capacity

(kWh) required?

A9. The system should be designed to specifications listed in the work statement.

Q10. Is the contractor responsible for sizing the battery system to meet the required 72-hour runtime?

A10. Yes

Q11. Can USGS provide the calculated critical load demand supporting the stated 72-hour requirement?

A11. No

Q12. Are manufacturers specified anywhere outside the solicitation attachments?

A12. No

Q13. Are equivalent manufacturers acceptable?

A13. Yes

Q14. Is the Government open to alternate manufacturers if equal or better performance is demonstrated?

A14. Yes

Q15. Are there any Buy American Act preferences or domestic content requirements that would restrict inverter, battery, or PV module

NAME OF OFFEROR OR CONTRACTOR

SUPPLIES/SERVICES

(B)

UNIT

(D)

UNIT PRICE

(E)

AMOUNT

(F)

OPTIONAL FORM 336 (4-86)

Sponsored by GSA FAR (48 CFR) 53.110

ITEM NO.

(A)

QUANTITY

(C) selection beyond the standard contract clauses?

A15. Buy American is always preferred.

Materials or supplies purchased outside the

U.S. must be reviewed and approved by the

Contracting Officer.

Q16. Are FranklinWH battery systems acceptable if they meet all performance requirements? (Our engineering partner commonly utilizes Franklin battery systems.)

A16. The systems must meet the requirements listed in the work statement.

Q17. Are hybrid inverter platforms acceptable, or is a separate PCS (Power Conversion System) preferred?

A17. A hybrid inverter is acceptable. Vendor is responsible for determining the configuration that meets the requirements listed in the work statement.

Q18. Is there a preferred communications platform for remote monitoring?

A18. No

Q19. Does the Government require the solar array to be installed on an existing building roof?

A19. No

Q20. Is a ground-mounted array acceptable?

A20. Yes

Q21. May contractors propose either roof-mounted or ground-mounted systems based on engineering evaluation?

A21. Yes

Q22. If roof-mounted, has a structural analysis already been completed?

A22. Vendor is responsible for determining the configuration that meets the requirements listed in the work statement.

Q23. Are roof structural drawings available?

A23. See attached. Vendor is responsible for verifying all measurements and conditions.

NAME OF OFFEROR OR CONTRACTOR

SUPPLIES/SERVICES

(B)

UNIT

(D)

UNIT PRICE

(E)

AMOUNT

(F)

OPTIONAL FORM 336 (4-86)

Sponsored by GSA FAR (48 CFR) 53.110

ITEM NO.

(A)

QUANTITY

(C)

Q24. Are there any architectural or historical preservation restrictions?

A24. No

Q25. Are electrical one-line diagrams available for the existing generator installation?

A25. No

Q26. Can generator testing records be provided?

A26. No.

Q27. Has the generator recently undergone load bank testing?

A27. No

Q28. Is there available spare capacity on the existing generator?

A28. Unknown

Q29. Does USGS have preferred transfer switch requirements?

A29. No.

Q30. Can USGS provide:

¿ Existing one-line diagrams

¿ Panel schedules

¿ Electrical distribution drawings

¿ As-built drawings

¿ Utility service drawings

A30. See attached drawings. Vendor is responsible for verifying all measurements and conditions.

Q31. Can USGS confirm all available fault current data?

A31. No

Q32. Can transformer specifications be provided?

A32. No

Q33. Is there a preferred method for zero-export control?

A33. No

Q34. Is export limited to zero under all

NAME OF OFFEROR OR CONTRACTOR

SUPPLIES/SERVICES

(B)

UNIT

(D)

UNIT PRICE

(E)

AMOUNT

(F)

OPTIONAL FORM 336 (4-86)

Sponsored by GSA FAR (48 CFR) 53.110

ITEM NO.

(A)

QUANTITY

(C) operating conditions?

A34. Yes

Q35. Are there utility interconnection requirements already established with

PREPA/LUMA?

A35. No

Q36. Has the utility been notified of this project?

A36. No.

Q37. Can contractors receive the complete geotechnical report, if available?

A37. There isn¿t a geotechnical report available.

Q38. Are there underground utility drawings available? See attached drawings.

A38. Vendor is responsible for verifying all measurements and conditions.

Q39. Are there any known environmental or archaeological restrictions beyond those identified in the SOO?

A39. No

Q40. Are there any planned site improvements that could affect installation?

A40. No

Q41. Is internet service currently available in the Shop/Garage building?

A41. Currently, no internet service is available in the Shop/Garage, but it may be possible to add it.

Q42. Will Ethernet be available for monitoring?

A42. No

Q43. Is the contractor expected to include full engineering and stamped design documents within the proposal, or only after award?

A43. After award.

Q44. Will conceptual layouts satisfy the proposal requirements?

NAME OF OFFEROR OR CONTRACTOR

SUPPLIES/SERVICES

(B)

UNIT

(D)

UNIT PRICE

(E)

AMOUNT

(F)

OPTIONAL FORM 336 (4-86)

Sponsored by GSA FAR (48 CFR) 53.110

ITEM NO.

(A)

QUANTITY

(C)

A44. Yes

Q45. Will there be an opportunity for post-award value engineering if a better technical solution is identified?

A45. The goal being to either improve function or reduce cost, or both, while keeping essential functions intact. If it happens within the period of performance and/or the warranty period, value engineering options can be discussed.

Q46. Will roof access be available during the site visit?

A46. Yes, but vendors are responsible for providing their own equipment to provide access to the roof.

Q47. Will contractors have access to all electrical rooms?

A48. Yes

Q48. Will contractors be allowed to inspect the existing generator and distribution equipment?

A48. Yes

Q50. Will USGS personnel be available to answer technical questions during the visit?

A50. No. Questions will be submitted to the

Contracting Specialist, and the technical team will provide answers. This will be in the form of an amendment to the solicitation if submitted as specified in the solicitation.

This is a link to the plans and specs on the

DOI website:

https://doimspp-my.sharepoint.com/:u:/g/personal

/klewis_usgs_gov/IQDRhpss4QbrSY_DfPYMSEFWAfnuTZ7 kJ0DzV36hvb3JcDA?e=JzAVgF

Period of Performance: 09/14/2026 to

12/13/2026

AWARD TYPE: FIRM FIXED PRICE

NAME OF OFFEROR OR CONTRACTOR

SUPPLIES/SERVICES

(B)

UNIT

(D)

UNIT PRICE

(E)

AMOUNT

(F)

OPTIONAL FORM 336 (4-86)

Sponsored by GSA FAR (48 CFR) 53.110

ITEM NO.

(A)

QUANTITY

(C)

TECHNICAL POC: KRISTEN LEWIS, Email:

klewis@usgs.gov

ADMIN POC: ROBIN DAVIS, Email:

rmdavis@usgs.gov

CONTRACT SPECIALIST: PHILIP ROBINSON, Email:

philip_robinson@ios.doi.gov

Amendment of solicitation/modification of contract
Contract ID code
Amendment/modification number
Effective date
Requisition/purchase requisition number
Project number
Issued by
Code
Administered by
Code
Name and address of contractor
Code
Facility code
Amendment of solicitation number
Dated
Modification of contract/order number
Dated
This item only applies to amendments of solicitations
Accounting and appropriation data
This item applies only to modifications of contracts/orders.
This change order is issued pursuant to:
The above numbered contract/order is modified to reflect the administrative changes
This supplemental agreement is entered into pursuant to authority of:
Other
Important:
Description of amendment/modification
Name and title of signer
Contractor/offeror
Date signed
Name and title of contracting officer
Signature of Contracting Officer
Date signed
Previous edition unusable
Standard form 30 (rev. 11/2016)
Continuation sheet
Reference Number
Name of Offeror or Contractor
OPTIONAL FORM 336 (4-86))

Sponsored by GSA FAR (48 CFR) 53.110

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