Project Information

Bid Title

Annual SCADA System Maintenance & PLC Replacement Project

Issuing Agency

Granbury city

Location

Texas

Published Date

Aug 18, 2025

Closing Date

Sep 3, 2025

Government Level

State & Local

Status

Closed

Ref. #

24-25-12

Original Source

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Bid Documents

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Project Description

Project ID: 24-25-12

Title: Annual SCADA System Maintenance & PLC Replacement Project

Addenda: 0

Release Date: 8/18/2025

Due Date: 9/3/2025

Post Information

Posted At:Mon, Aug 18, 2025 2:00 PMSealed Bid Process:Yes (Bids Sealed / Pricing Sealed)Private Bid:No

Overview

Summary

The City of Granbury is seeking qualified firms to provide comprehensive annual maintenance and support for its Supervisory Control and Data Acquisition (SCADA) system. This RFP also invites proposals for an immediate project to replace aging PLC equipment critical to the city’s water and wastewater infrastructure.

Our goal is to ensure the reliable, secure, and efficient operation of these vital systems by upgrading obsolete hardware and software while establishing ongoing maintenance and support.

The maintenance contract will be issued on an annual basis, aligned with the City’s fiscal year, with the option to renew up to three (3) additional times at the start of each new fiscal year, subject to satisfactory performance and available funding.

Background

The City of Granbury currently operates 21 remote pump stations and well sites utilizing SCADA Pack Programmable Logic Controllers (PLCs), many of which are over 10 years old. These aging PLCs are experiencing increasing reliability issues. Failures in digital or analog inputs often require manual reallocation, and once capacity is exceeded, the entire PLC must be replaced.

Additionally, the existing SCADA software is outdated, unsupported, and cannot be upgraded, posing significant operational and cybersecurity risks.

Timeline

Release Project Date:

August 18, 2025

Question Submission Deadline:

August 26, 2025, 2:00pm

Question Response Deadline:

August 28, 2025, 2:00pm

Submission Deadline:

September 3, 2025, 2:00pm

Granbury Service Conference Room Located at 401 North Park St. Granbury, TX 76048

Commodity Codes

• NAICS 238210Electrical Contractors and Other Wiring Installation Contractors
• NAICS 541330Engineering Services
• NAICS 541512Computer Systems Design Services

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