Sol_140G0226Q0098_Amd_0002.pdf

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

140G0226Q0098

08/20/2026

08/20/2026

1 5

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

140G0226Q0098/0002

The purpose of this amendment is to provide responses to RFIs and to extend the proposal deadline.

a) The proposal due date has been extended to

September 17, 2026, at 3:00 PM (Mountain

Time).

b) Q5: Given the broad nature of the solicitation and current CRAC lead times in excess of 16 weeks, are there any technical acceptance criteria that require a specific

CRAC solution

(factory-new unit versus factory-certified refurbished unit, etc.)?

A5: We are open to considering a factory certified refurbished unit, provided it has a minimum end of life of 10 years and a one year warranty from date-of-startup.

Q6: What are the room temperature, humidity, and pressure requirements (or what class of data center is this location considered)?

A6: Room Temperature: 68 - 74 degrees(F)

Humidity: 25% - 45%

Pressure:

Subfloor: 12-25 pascals

Overall Room: 5-12.5 pascals

Q7. Is the Technical limited to five (5) pages or ten (10) pages?

A7: Please limit the technical response to

5 pages.

Q8. Could you please attach a picture of the breaker that feeds Panel EH7B?

A8: See attachments for the photos.

Q9: Does the government have any specifications for the existing raised floor in case we need to modify or replace any raised floor during the installation?

A9: No other specifications except that any changes be contained to the area occupied

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) by the unit and cannot extend into the surrounding data center flooring.

Q10: Does the hot return air extension above the CRAC unit only extend into the drop ceiling, or does it fully duct to the hot aisle containment?

A10: Hot air return extends to the drop ceiling.

Q11: What MERV filters does the government require?

A11: MERV8 - MERV11

Q12: Is the replacement unit required to have 454B/R-32 (A2L) refrigerant, or is it acceptable to supply a unit that uses R410A or another refrigerant?

A12: In accordance with the AIM Act and EPA

Technology Transitions requirements, U.S.

Government data centers must use refrigerants with a GWP below 700. Accordingly, 454B or R 32

(A2L) is the preferred option.

Q13: Is it appropriate to submit a Bid

Option for the second unit that can be exercised in the next year, while understanding the Base Bid is the direct comparison for the

LPTA price analysis?

A13: Unfortunately, we will not be able to accept a bid for an additional unit. This will require a second request for bid in FY27.

Q14: Please identify the

Government-approved equipment path and provide the dimensions of the available doors, windows, corridors, stairs, hatches, and other openings.

A14: The unit will need to be dropped into the basement using existing windows (dimensions

101¿x 56¿) and the unit will need to be passed through two doorways (38¿ wide x 96¿ height ) and the data center doorway

(35¿ wide x 79¿ height).

Q15: Please also confirm whether the existing and replacement units must be

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) separated into sections for removal and installation.

A15: If the unit can be separated into sections the building elevator (doorway 42¿ wide x 84¿ height with the room 80¿ wide x 63¿ deep) that can be used.

Q16: Please provide the dimensions of the opening and available working clearances within the brick condenser enclosure.

A16: The condenser is located on the south side of the building on a 5ft x 12ft cement pad. Access to this area is currently available via a walkway from 18th street.

Q17: Please confirm whether the existing condenser can be removed and the replacement condenser installed through the existing opening without removing or modifying masonry, fencing, gates, panels, or other portions of the enclosure.

A17: This walkway is being used as a staging area by the current ERMF building construction, we will need to coordinate with current construction companies to ensure there is enough room made available to move the condenser equipment to/from the pad.

Q18. If any enclosure modification is required, please identify whether that work is the responsibility of the Government, the

Colorado School of Mines, or the contractor.

A18: We will need to coordinate with current construction companies to ensure there is enough room made available to move the condenser equipment to/from the pad.

Q19: Please identify the approved location for delivery, unloading, temporary staging, and mechanical handling of the DS035 and condenser.

A19: Delivery will be at the front door of our facility. There is room in the lobby for equipment staging and configuration for movement of indoor equipment if that is what is needed.

Q20: Please confirm whether forklifts, 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) pallet jacks, gantries, hoists, or other specialized equipment may be used and identify any floor-loading, access, security, or working-hour restrictions.

A20: Floor jack will be needed to move the equipment in and around the building.

Q21: Please identify the permitted shutdown duration and any requirements for temporary cooling, after-hours work, security escorts, dust control, noise control, or advance coordination while working in the active data center.

A21: Shutdown of the CRAC can be any duration. The CRAC that will be replaced is currently inoperative. Normal hours for GHSC

IT personnel are 0700-1700 (M-F). You will be working in an active data center dust control should be mitigated as much as possible.

Q22: Please confirm whether the stated period of performance will be adjusted to accommodate the manufacturer's equipment lead time, restricted basement access, specialized rigging, new refrigerant-piping installation, and coordination with the

Colorado School of Mines.

A22: The POP can be adjusted to accommodate your requests, if needed.

c) All other terms and conditions remain unchanged.

Period of Performance: 10/01/2026 to

12/01/2026

AWARD TYPE: FIRM FIXED PRICE

TECHNICAL POC: THOMAS A. TELESHA, Email:

ttelesha@usgs.gov

ADMIN POC: ROBIN DAVIS, Email:

rmdavis@usgs.gov

CONTRACT SPECIALIST: PHILIP ROBINSON, Email:

philip_robinson@iod.doi.gov

Sponsored by GSA FAR (48 CFR) 53.110