191BWC26R0018_Amendment_0001 (1).pdf

UNITED STATES SECTION, INTERNATIONAL BOUNDARY AND WATER COMMISSION

Solicitation 191BWC26R0018 | Amendment 0001 | Page 1

SOLICITATION AMENDMENT 0001

Nogales Instrumentation

Solicitation No. 191BWC26R0018

Issuing Activity U.S. Section, International Boundary and Water Commission, Acquisition Division Solicitation Number 191BWC26R0018 Original Solicitation Date August 21, 2026 Amendment Number 0001 Amendment Date September 4, 2026 Place of Performance Nogales International Wastewater Treatment Plant, Rio Rico, Arizona Offer Due Date and Time September 18, 2026, 3:00 PM Mountain Time, unchanged Questions Due September 4, 2026, 3:00 PM Mountain Time, unchanged Government Point of Contact Suzette A. Smith, Contract Specialist, suzette.smith@ibwc.gov, (915) 832-4146

1. PURPOSE OF AMENDMENT

This amendment revises the technical requirement by incorporating the Hach manufacturer part numbers and one year Warranty Service plan identifiers applicable to the equipment types already required by the Performance Work Statement. The amendment provides the model and service plan identifiers that offerors shall use when preparing their technical and price submissions.

2. CHANGES TO THE SOLICITATION

A. The Performance Work Statement is amended by adding the requirement titled “Required Hach Part Numbers and Warranty Service Plans” shown in Attachment 1 to this amendment.

B. The part numbers in Attachment 1 identify the required Hach brand name products and Warranty Service plans.

Offerors shall furnish the listed Hach part numbers for the corresponding equipment types already required by the PWS. Quantities, installation locations, installation requirements, integration requirements, startup, calibration, testing, training, documentation, warranty activation, and all other performance requirements remain as stated in the solicitation and PWS unless specifically changed by this amendment.

C. Where a general equipment description in the PWS corresponds to a product identified in Attachment 1, the part number in Attachment 1 establishes the required Hach product identifier for that equipment type. This amendment does not authorize substitutions or alternate manufacturer products.

D. The one year Warranty Service plan identifiers in Attachment 1 are incorporated into the PWS warranty and manufacturer support requirement. The existing PWS requirement for warranty coverage of at least one year from Government acceptance remains unchanged.

E. Offerors shall account for all requirements of this amendment in their technical submission and total firm fixed price. The existing solicitation evaluation requirement for complete Hach product, model, quantity, accessory, and WarrantyPlus or Warranty Service plan compliance applies to the identifiers incorporated by this amendment.

F. The offer due date remains September 18, 2026, at 3:00 PM Mountain Time. The question deadline remains September 4, 2026, at 3:00 PM Mountain Time.

3. ACKNOWLEDGMENT

Offerors shall acknowledge receipt of Amendment 0001 with their offer. FAR 52.212-1(b)(9) requires acknowledgment of solicitation amendments. All terms and conditions of Solicitation 191BWC26R0018 not changed by this amendment remain unchanged.

4. FAR FORM AUTHORITY

This amendment is issued as a solicitation amendment under FAR 43.301(a)(1)(i), which requires use of Standard Form 30 for amendments to solicitations, except where an applicable FAR exception applies. This continuation document may be attached to the agency generated SF 30 for Amendment 0001.

ATTACHMENT 1 TO AMENDMENT 0001

UNITED STATES SECTION, INTERNATIONAL BOUNDARY AND WATER COMMISSION

Solicitation 191BWC26R0018 | Amendment 0001 | Page 2

Required Hach Part Numbers and Warranty Service Plans

The following manufacturer part numbers and service plan identifiers are incorporated into the Performance Work Statement for Solicitation 191BWC26R0018. Quantities and installation locations remain those stated in the existing

PWS.

Hach Part Number or Service Plan Description LXV440.99.00002 AN ISE sc low cost ISE combination ammonium and nitrate probe

LXV423.99.00200

Solitax hs line sc turbidity, 0.001 to 4000 NTU, and suspended solids, 0.001 to 500 g/L, immersion probe with wiper, stainless steel

LXV423.99.00100

Solitax ts line sc turbidity, 0.001 to 4000 NTU, and suspended solids, 0.001 to 50 g/L, immersion probe with wiper, stainless steel

LXV431.99.00002 Sonatax sc sludge level and sludge height probe with wiper, stainless steel

DPD1P1 pHD sc digital pH sensor with glass differential electrode, sc compatibility, PEEK, convertible mount

DRD1P5 Online process ORP sensor, general purpose digital ORP sensor 3726E2T 3700 Inductive conductivity sensor, convertible, PVDF body material 9020000 LDO sc Model 2, dissolved oxygen probe with luminescent dissolved oxygen technology LXV448.99.21001 NT3100sc UV nitrate sensor, 2 mm path length LXV525.99AA1551 SC4500 controller, Claros enabled, 5x mA output, 2 digital sensors, 100 to 240 VAC, without power cord WRTUPGAN-ISE Warranty Service, 1 year WRTUPGSOLITAX Warranty Service, 1 year WRTUPGSONATAXSC Warranty Service, 1 year WRTUPGSC4500 Warranty Service, 1 year WRTUPGGLPHORP Warranty Service, 1 year WRTUPGCOND Warranty Service, 1 year WRTUPGLDO2 Warranty Service, 1 year WRTUPGNT3X00 Warranty Service, 1 year

PWS INCORPORATION LANGUAGE

The Contractor shall furnish the genuine Hach products and one year Warranty Service plans identified in Attachment 1 to Solicitation Amendment 0001. The identified part numbers establish the required Hach product and service plan identifiers for the corresponding equipment types in this PWS. Quantities, locations, accessories, mounting requirements, installation, electrical work, integration, configuration, startup, calibration, testing, training, documentation, warranty activation, and acceptance requirements remain as otherwise stated in this PWS. No substitution is authorized unless the Contracting Officer issues a written solicitation amendment before award.

END OF AMENDMENT 0001