Sol_140G0226Q0098_Amd_0001.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 3

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

140G0226Q0098/0001

The purpose of this amendment to the solicitation is to address contractor Requests for Information.

a) Q1: RFI 1: Could you provide the manufacturer, model number, capacity/tonnage, and voltage of the existing CRAC unit, along with any available specifications or drawings for the replacement unit

A1: Leibert DS Precision Cooling, model:

DS035ADA00I280A, Input voltage: 480v, nominal capacity/tonnage: 35kW (10tons).

Q2: RFI 2: Are there any HVAC controls associated with the new CRAC unit, specifically under Division 23 09 23? If so, please provide the applicable controls specifications and integration requirements.

A2: We utilize a Liebert model:AC4

Auto-Changeover Controller for failover control between our redundant CRAC units.

Q3: RFI 3: Who is responsible for removing and reinstalling the windows required to facilitate the crane pick for removal of the existing CRAC unit and placement of the new unit? We appreciate any information you can provide.¿

A3: Our building is owned by The Colorado

School of Mines (CSM), they will need to be coordinated with for removal and reinstallation of the basement windows required for existing

CRAC removal and new unit placement. CSM contact information will be provided.

Q4: RFI 4: Would the contractor be permitted to position the crane in the parking lot on the south end of the new building for the crane pick? This would avoid placing the crane in the street, which would require a street closure permit and road closure. Please confirm whether this location may be used and advise of any access or site restrictions.

A4: RFI4: We are currently inquiring of the

Colorado School of Mines for access to the loading dock on the south side of the New ERMF

(closest to the GHSC building) approx. 30 feet from the 1st floor (basement) room with

Continued...

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

140G0226Q0098/0001 skylight windows. The area is currently being utilized as a staging area, we may be able to utilize the space for a few hours to move the

CRAC Units during hardware removal and installation. At this point in time, we are unsure if that area will be available.

b) All other terms and conditions of the solicitation remain unchanged.

Period of Performance: 09/28/2026 to

11/29/2026

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