UNSPSC 32152003: Safety instrumented packaged system SIS

A process control system that performs specified functions to achieve or maintain a safe state of the process when unacceptable or dangerous process conditions are detected. It is separate and independent from regular control systems but is composed of similar elements, including sensors, logic solvers, actuators and support systems.

UNSPSC 32152003 Safety instrumented packaged system SIS is a Commodity code that covers supervisory control and data acquisition (SCADA) modernization projects—comprehensive system upgrades that replace legacy programmable logic controllers, human-machine interfaces, and network architecture at water treatment and utility facilities. State and local governments procuring under this code are upgrading outdated industrial control systems to improve operational reliability, monitoring, and automation across critical infrastructure. Issuing bodies include municipal water departments and transit authorities seeking end-to-end SCADA integration services that span equipment procurement, installation, Factory Acceptance Testing, on-site operational validation, personnel training, and complete documentation. Vendors typically provide engineering design, controls programming, and project management alongside hardware supply and installation labor, with qualifications typically requiring five or more years of comparable integration experience, demonstrated success on similar water or wastewater treatment projects, and key staff with specialized expertise in legacy-to-modern platform migrations using manufacturers such as Schneider Electric, Allen-Bradley, and AVEVA systems.

The code shows concentrated recent activity in the Southeast, with the City of Atlanta Department of Watershed Management soliciting two separate SCADA modernization projects in May 2026. The Hemphill Water Treatment Plant SCADA Improvement (Solicitation PE66062NONST2026000000376, pre-advertisement notice posted May 8, 2026, response deadline May 29, 2026) and the Chattahoochee Water Treatment Plant SCADA Improvement (Solicitation PE66062NONST2026000000374, same dates) each represent substantial municipal water infrastructure modernization efforts with 360-day timelines, Factory Acceptance Testing protocols, and five consecutive days of operational validation. Both require conversion of ControlNet networks to Ethernet/IP architecture, replacement of General Electric iFix systems with Schneider Electric AVEVA platforms, and deployment of new Allen-Bradley ControlLogix controller architecture. A secondary opportunity in Santa Fe, New Mexico (City of Santa Fe on behalf of Buckman Direct Diversion, RFP FY26-RFP-036, posted February 9, 2026, response deadline January 9, 2026) targets PLC replacement and SCADA modification using Schneider Electric Unity Pro XL software across four critical treatment systems. The code's recent activity is narrowly focused on water and wastewater treatment modernization with no visible opportunities in other industrial sectors.