United Independent School District Ionwave #RFP 2026-020 Addendum 1

UISD HVAC Building-Automation Control Maintenance, Repair, Upgrades, and Equipment Pricing

United Independent School District is seeking HVAC building-automation control services and related equipment pricing for its existing facilities. - Government buyer: United Independent School District (UISD), Laredo, Webb County, Texas. No sub-agency or office is identified. - OEM/platforms: Distech is the only named equipment manufacturer. The specifications also reference BACnet and Niagara/Tridium as control-system protocols or platforms; no other vendors are named. - Requested services: HVAC control maintenance, repair, inspection, upgrades and modifications; technician hourly and overtime labor; and VFD provision, installation, commissioning, programming, and integration with the existing building automation system. - Equipment pricing requested: Wall and duct temperature sensors, duct humidity sensors, current transformer switch sensors, a front-end NUC, Distech BACnet/IP controllers, Lon and BACnet routers, chilled-water valves and actuators, VFDs, and miscellaneous control parts and materials. No quantities or manufacturer part numbers are provided; vendors are asked for markup-over-cost and discount pricing. - Key requirements: Provide at least 40 hours of control maintenance and repair per quarter, report after service visits, respond to emergencies within two hours, and schedule standard non-emergency calls within 24 hours. Obtain written authorization before non-emergency work outside routine maintenance; submit approved drawings and sequences before upgrades; and test VFD operation and communication with the central EMS platform. - Qualifications and warranties: Assigned personnel need active factory-certified training for BACnet, Distech, and Niagara/Tridium or equivalent District-used BAS protocols. Labor and workmanship must be warranted for at least 90 days; replacement equipment must have the manufacturer's standard warranty or a one-year warranty, whichever is longer. Material markups require supplier cost documentation, and catalog discounts must reference published manufacturer list prices. - Term: Contract start, end, and total duration are not stated; the service requirement is recurring and quarterly.

Description

United Independent School District is requesting proposals from qualified HVAC control vendors to maintain, repair, inspect, and upgrade the District’s existing building automation control systems. The work includes at least 40 hours of maintenance and repair services per quarter, service reporting, emergency response, and authorized system modifications. Vendors must provide pricing for labor and parts, submit proof of relevant technician certifications, and provide drawings for approval before upgrades or replacements. Proposals are evaluated on pricing, vendor reputation, service fit and emergency response, and past relationship or compliance record with United ISD.

View original listing