19GT5026Q0077 - Amendment No.1.pdf

PAGE OF PAGESAMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE 1 16

2. AMENDMENT/MODIFICATION NO.

3. EFFECTIVE DATE

08/28/2026

4. REQUISITION/PURCHASE REQ. NO.

PR16190032-0001

5. PROJECT NO. (If applicable)

6. ISSUED BY CODE GT500 7. ADMINISTERED BY (If other than Item 6) CODE

AMERICAN EMBASSY GUATEMALA CITY

Boulevard Austriaco 11-51, Zona 16, ATTN: GSO - PROCUREMENT SECTION Guatemala

GUATEMALA

AMERICAN EMBASSY GUATEMALA CITY

Boulevard Austriaco 11-51, Zona 16, ATTN: GSO - PROCUREMENT SECTION Guatemala

GUATEMALA

(X) 9A. AMENDMENT OF SOLICITATION

NO.

19GT5026Q0077

x

9B. DATED (SEE ITEM 11)

08/07/2026

10A. MODIFICATION OF CONTRACT/ORDER NO.

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP Code)

CODE FACILITY CODE

10B. DATED (SEE ITEM 13)

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

x The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers x is extended, is not extended.

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 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram 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 your desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

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

IT MODIFIES THE CONTRACT/ORDER NO. 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

NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, 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)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

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

This amendment is to: , 1) Extend due date for offers to September 9, 2026,, 2) Incorporate clarification line item No. 13 and Questions and Answers to the solicitation.

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.

15A. NAME AND TITLE OF SIGNER (Type or print) 16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

16C. DATE SIGNED

NSN 7540-01-152-8070

Previous edition unusable

STANDARD FORM 30 (REV. 10-83)

Prescribed by GSA FAR (48 CFR) 53.243

SBU - CONTRACTING AND ACQUISITIONS

RFQ NUMBER 19GT5026Q0077

Guatemala – Preventive Maintenance Services for HVAC Water Treatment System

Amendment No. 1

2. PRICING

Additionally, to the original list the following must be added a weekly water analysis in the item # 13 in

Base Year and All Option Years:

2.1 Base Year. The Contractor shall provide the services shown below for the base period of the contract and continuing for a period of 12 months.

CLIN Description Quantity of

Equipment

Type of services

No. of service

Unit price / service

($/Q)

Total per year ($/Q)

Condensing Water

System. Condensing water filtration unit:

Suction diffuser.

Pump and motor. Control

Pane3l/Pump Starter.

Pressure Gauges.

SRV-833 Solids Recovery

Vessel.

EFS (Electric Actuated Fail-

Safe. Ball Valve w/ controller).

1 Quarterly 4

Chilled Make up Water

System.

Skid # 5:

Pumps and Motors. Pressure gauges/transmitters.

Control panel.

Structure maintenance.

1 Monthly 12

Cooling Towers

Blowdown.

Treatment and Filtration

Skids. Perform maintenance to components and structure

(Multimedia and Carbon).

2 Quarterly 4

Cooling Tower Make Up

Water Filtration Units.

Maintenance and inspection for skid and vessels components and structure.

1 Quarterly 4

CLOSED LOOP

(MOLYBDATE).

A. Inspect system and perform complete water analysis.

1 Quarterly 4

B. Perform Corrosion

Coupons analysis, replace if necessary.

Cooling Towers Blowdown

(MODEL: (2) 30X60

ASME, 100).

Treatment and Filtration

Skids. Perform maintenance to components and structure

(Multimedia and Carbon):

Vessels, Valves, pressure gauges, piping, hoses, control panel.

2 Annually 1

Cooling Tower Make Up

Water Filtration Units.

Maintenance and inspection for skid and vessels components and structure.

Valves, pressure gauges, piping, hoses, control panel.

1 Annually 1

Gemini Dual Containment

Tanks.

Perform maintenance and inspection of the chemical tanks and peristaltic pumps.

1 Quarterly 4

Transfer Pumps and

Control Skid 1.

Pumps and motors.

Control panel. Structure.

Static mixer.

1 Quarterly 4

Signet Rotor X-Flow

Sensors - Chemical Feed

System at Transfer Pumps

Skid.

Semi

Annually.

Bladder Tanks.

Perform Maintenance

(O&M manual).

2 Annually. 1

Duplex Submersible

Pumps.

Pumps and motors.

Control panel.

Pressure transmitters.

Piping.

2 Annually. 1

Chemical Dosing Station.

Sensors, Piping, Peristaltic pumps, hoses and fixtures, actuators, control panel, structure (Walchem and

Cooling towers). Weekly

1 Quarterly. 4

2.2 Option Year 1. The Contractor shall provide the services shown below for Option Year 1 of the contract and continuing for a period of 12 months.

condensing water analysis for all parameters required.

Raw and Make-Up Water

Tank.

Cleaning and sanitization.

1 Annually, 1

Water Analysis.

Physicochemical Water

Analysis (Open and Closed

Loop – Laboratory analysis).

1 Annually 1

016 Reports 1 Annual 1

017 Liability Insurance 1 Annual --

018 DBA Insurance 1 Annual --

Total Base Year

CLIN Description Quantity of

Equipment

Type of services

No. of service

Unit price / service

($/Q)

Total per year ($/Q)

Condensing Water

System. Condensing water filtration unit:

Suction diffuser.

Pump and motor. Control

Pane3l/Pump Starter.

Pressure Gauges.

SRV-833 Solids Recovery

Vessel.

EFS (Electric Actuated Fail-

Safe. Ball Valve w/ controller).

1 Quarterly 4

Chilled Make up Water

System.

Skid # 5:

Pumps and Motors. Pressure gauges/transmitters.

Control panel.

Structure maintenance.

1 Monthly 12

Cooling Towers

Blowdown.

Treatment and Filtration

Skids. Perform maintenance to components and structure

(Multimedia and Carbon).

2 Quarterly 4

Cooling Tower Make Up

Water Filtration Units.

Maintenance and inspection for skid and vessels components and structure.

1 Quarterly 4

CLOSED LOOP

(MOLYBDATE).

A. Inspect system and perform complete water analysis.

B. Perform Corrosion

Coupons analysis, replace if necessary.

1 Quarterly 4

Cooling Towers Blowdown

(MODEL: (2) 30X60

ASME, 100).

Treatment and Filtration

Skids. Perform maintenance to components and structure

(Multimedia and Carbon):

Vessels, Valves, pressure gauges, piping, hoses, control panel.

2 Annually 1

Cooling Tower Make Up

Water Filtration Units.

Maintenance and inspection for skid and vessels components and structure.

Valves, pressure gauges, piping, hoses, control panel.

1 Annually 1

Gemini Dual Containment

Tanks.

Perform maintenance and inspection of the chemical tanks and peristaltic pumps.

1 Quarterly 4

Transfer Pumps and

Control Skid 1.

Pumps and motors.

Control panel. Structure.

Static mixer.

1 Quarterly 4

Signet Rotor X-Flow

Sensors - Chemical Feed

System at Transfer Pumps

Skid.

Semi

Annually.

Bladder Tanks.

Perform Maintenance

(O&M manual).

2 Annually. 1

Duplex Submersible

Pumps.

Pumps and motors.

2 Annual 1

2.3 Option Year 2. The Contractor shall provide the services shown below for Option Year 2 of the contract and continuing for a period of 12 months.

Control panel.

Pressure transmitters.

Piping.

Chemical Dosing Station.

Sensors, Piping, Peristaltic pumps, hoses and fixtures, actuators, control panel, structure (Walchem and

Cooling towers). Weekly condensing water analysis for all parameters required.

1 Quarterly. 1

Raw and Make-Up Water

Tank.

Cleaning and sanitization .

1 Annually, 1

Water Analysis.

Physicochemical Water

Analysis (Open and Closed

Loop – Laboratory analysis).

1 Annually 1

016 Reports 1 Annual 1

017 Liability Insurance 1 Annual --

Total Option Year 1.

Equipment

Type of services

No. of service

Unit price / service

($/Q)

Total per year ($/Q)

Condensing Water

System. Condensing water filtration unit:

Suction diffuser.

Pump and motor. Control

Pane3l/Pump Starter.

Pressure Gauges.

SRV-833 Solids Recovery

Vessel.

EFS (Electric Actuated Fail-

Safe. Ball Valve w/ controller).

1 Quarterly 4

Chilled Make up Water

System.

Skid # 5:

1 Monthly 12

Pumps and Motors. Pressure gauges/transmitters.

Control panel.

Structure maintenance.

Cooling Towers

Blowdown.

Treatment and Filtration

Skids. Perform maintenance to components and structure

(Multimedia and Carbon).

2 Quarterly 4

Cooling Tower Make Up

Water Filtration Units.

Maintenance and inspection for skid and vessels components and structure.

1 Quarterly 4

CLOSED LOOP

(MOLYBDATE).

A. Inspect system and perform complete water analysis.

B. Perform Corrosion

Coupons analysis, replace if necessary.

1 Quarterly 4

Cooling Towers Blowdown

(MODEL: (2) 30X60

ASME, 100).

Treatment and Filtration

Skids. Perform maintenance to components and structure

(Multimedia and Carbon):

Vessels, Valves, pressure gauges, piping, hoses, control panel.

2 Annually 1

Cooling Tower Make Up

Water Filtration Units.

Maintenance and inspection for skid and vessels components and structure.

Valves, pressure gauges, piping, hoses, control panel.

1 Annually 1

Gemini Dual Containment

Tanks.

Perform maintenance and inspection of the chemical tanks and peristaltic pumps.

1 Quarterly 4

Transfer Pumps and

Control Skid 1.

Pumps and motors.

Control panel. Structure.

Static mixer.

2.4 Option Year 3. The Contractor shall provide the services shown below for Option Year 3 of the contract, and continuing for a period of 12 months.

Signet Rotor X-Flow

Sensors - Chemical Feed

System at Transfer Pumps

Skid.

Semi

Annually.

Bladder Tanks.

Perform Maintenance

(O&M manual).

2 Annually. 1

Duplex Submersible

Pumps.

Pumps and motors.

Control panel.

Pressure transmitters.

Piping.

2 Annual 1

Chemical Dosing Station.

Sensors, Piping, Peristaltic pumps, hoses and fixtures, actuators, control panel, structure (Walchem and

Cooling towers). Weekly condensing water analysis for all parameters required.

1 Quarterly. 1

Raw and Make-Up Water

Tank.

Cleaning and sanitization .

1 Annually, 1

Water Analysis.

Physicochemical Water

Analysis (Open and Closed

Loop – Laboratory analysis).

1 Annually 1

016 Reports 1 Annual 1

017 Liability Insurance 1 Annual --

Total Option Year 2.

Equipment

Type of services

No. of service

Unit price / service

($/Q)

Total per year ($/Q)

Condensing Water

System. Condensing water filtration unit:

Suction diffuser.

Pump and motor. Control

Pane3l/Pump Starter.

Pressure Gauges.

SRV-833 Solids Recovery

Vessel.

EFS (Electric Actuated Fail-

Safe. Ball Valve w/ controller).

Chilled Make up Water

System.

Skid # 5:

Pumps and Motors. Pressure gauges/transmitters.

Control panel.

Structure maintenance.

1 Monthly 12

Cooling Towers

Blowdown.

Treatment and Filtration

Skids. Perform maintenance to components and structure

(Multimedia and Carbon).

2 Quarterly 4

Cooling Tower Make Up

Water Filtration Units.

Maintenance and inspection for skid and vessels components and structure.

1 Quarterly 4

CLOSED LOOP

(MOLYBDATE).

A. Inspect system and perform complete water analysis.

B. Perform Corrosion

Coupons analysis, replace if necessary.

1 Quarterly 4

Cooling Towers Blowdown

(MODEL: (2) 30X60

ASME, 100).

Treatment and Filtration

Skids. Perform maintenance to components and structure

(Multimedia and Carbon):

Vessels, Valves, pressure gauges, piping, hoses, control panel.

2 Annually 1

Cooling Tower Make Up

Water Filtration Units.

Maintenance and inspection for skid and vessels components and structure.

Valves, pressure gauges, piping, hoses, control panel.

1 Annually 1

Gemini Dual Containment

Tanks.

Perform maintenance and inspection of the chemical tanks and peristaltic pumps.

1 Quarterly 4

Transfer Pumps and

Control Skid 1.

Pumps and motors.

Control panel. Structure.

Static mixer.

1 Quarterly 4

Signet Rotor X-Flow

Sensors - Chemical Feed

System at Transfer Pumps

Skid.

Semi

Annually.

Bladder Tanks.

Perform Maintenance

(O&M manual).

2 Annually. 1

Duplex Submersible

Pumps.

Pumps and motors.

Control panel.

Pressure transmitters.

Piping.

Chemical Dosing Station.

Sensors, Piping, Peristaltic pumps, hoses and fixtures, actuators, control panel, structure (Walchem and

Cooling towers). Weekly condensing water analysis for all parameters required.

1 Quarterly. 1

Raw and Make-Up Water

Tank.

Cleaning and sanitization .

1 Annually, 1

Water Analysis.

Physicochemical Water

Analysis (Open and Closed

Loop – Laboratory analysis).

1 Annually 1

016 Reports 1 Annual 1

017 Liability Insurance 1 Annual --

Total Option Year 3.

2.5 Option Year 4. The Contractor shall provide the services shown below for Option Year 4 of the contract, and continuing for a period of 12 months.

CLIN Description Quantity of

Equipment

Type of services

No. of service

Unit price / service

($/Q)

Total per year ($/Q)

Condensing Water

System. Condensing water filtration unit:

Suction diffuser.

Pump and motor. Control

Pane3l/Pump Starter.

Pressure Gauges.

SRV-833 Solids Recovery

Vessel.

EFS (Electric Actuated Fail-

Safe. Ball Valve w/ controller).

1 Quarterly 4

Chilled Make up Water

System.

Skid # 5:

Pumps and Motors. Pressure gauges/transmitters.

Control panel.

Structure maintenance.

1 Monthly 12

Cooling Towers

Blowdown.

Treatment and Filtration

Skids. Perform maintenance to components and structure

(Multimedia and Carbon).

2 Quarterly 4

Cooling Tower Make Up

Water Filtration Units.

Maintenance and inspection for skid and vessels components and structure.

1 Quarterly 4

CLOSED LOOP

(MOLYBDATE).

A. Inspect system and perform complete water analysis.

B. Perform Corrosion

Coupons analysis, replace if necessary.

1 Quarterly 4

Cooling Towers Blowdown

(MODEL: (2) 30X60

ASME, 100).

Treatment and Filtration

Skids. Perform maintenance to components and structure

(Multimedia and Carbon):

2 Annually 1

Vessels, Valves, pressure gauges, piping, hoses, control panel.

Cooling Tower Make Up

Water Filtration Units.

Maintenance and inspection for skid and vessels components and structure.

Valves, pressure gauges, piping, hoses, control panel.

1 Annually 1

Gemini Dual Containment

Tanks.

Perform maintenance and inspection of the chemical tanks and peristaltic pumps.

1 Quarterly 4

Transfer Pumps and

Control Skid 1.

Pumps and motors.

Control panel. Structure.

Static mixer.

1 Quarterly 4

Signet Rotor X-Flow

Sensors - Chemical Feed

System at Transfer Pumps

Skid.

Semi

Annually.

Bladder Tanks.

Perform Maintenance

(O&M manual).

2 Annually. 1

Duplex Submersible

Pumps.

Pumps and motors.

Control panel.

Pressure transmitters.

Piping.

Chemical Dosing Station.

Sensors, Piping, Peristaltic pumps, hoses and fixtures, actuators, control panel, structure (Walchem and

Cooling towers). Weekly condensing water analysis for all parameters required.

1 Quarterly. 1

Raw and Make-Up Water

Tank.

Cleaning and sanitization .

1 Annually, 1

Water Analysis.

Physicochemical Water

Analysis (Open and Closed

Loop – Laboratory analysis).

1 Annually 1

SUBMISSION OF QUOTATIONS

Quotations are due on September 9, 2026 by COB 10:00 (local time). Please complete the required portions of this document and submit your offer to:

GuatemalaBids@state.gov

QUOTES SENT BY ANY OTHER MEANS WILL NOT BE CONSIDERED FOR THIS SOLICITATION.

End of Amendment

016 Reports 1 Annual 1

017 Liability Insurance 1 Annual --

Total Option Year 4.

mailto:GuatemalaBids@state.gov

RFQ NUMBER 19GT5026Q0077

Guatemala – Preventive Maintenance Services for HVAC Water Treatment System

Questions and Answers

Q1. Must the annual physicochemical analysis be performed at a specific laboratory, or we can use any accredited laboratory?

R1. The laboratory analysis must be performed by an accredited laboratory which can be selected hired/subcontracted by the awarded contractor.

Q2. For the 4-hour emergency service, is the response measured from the notification to the technician arrival to the site?

R2. It’s measured from the moment the notification is received by the contractor.

Q3. How many technicians must be authorized to ensure service and emergency coverage?

R3. Depends on the emergency nature. Typically, 1 and/or 2 technicians.

Q4. What is the exact amount of coverage required for Liability Insurance and DBA Insurance?

R4. Liability Insurance: Refer to page No. 22 for specific coverage. DBA Insurance: Refer to page No.

67 for specific coverage.

Q5. May prices for the option years be adjusted for inflation, or must they remain fixed during each option year?

Q5. The proposal must include fixed prices. No additional sums will be payable due to any increase in the cost of equipment and or services. Nor will the contract price be adjusted on account of fluctuations in the currency exchange rates.

Q6. Must the offer be submitted in U.S. dollars, and will payment be made in USD?

R6. All prices are in US Dollar or Quetzales, depending on the Contractor’s capacity to invoice and receive payments in the currency quoted.

Q7. What taxes and withholdings will specifically apply to a contractor incorporated in Guatemala?

R7. Refer to page No. 7: Value Added Tax (VAT) is not included in the CLIN rates. Instead, it will be priced as a separate Line Item in the contract and on Invoices.

End of Questions and Answers