Supervisory Control and Data Acquisition (SCADA) System Upgrades & Maintenance

The Kenton County Airport Board is requesting proposals for Supervisory Control and Data Acquisition (SCADA) System Upgrades & Maintenance at Cincinnati/Northern Kentucky International Airport, with proposals due July 2, 2026 at 2:00 p.m. and a mandatory pre-proposal meeting and site visit on June 2, 2026 at 10:00 a.m. at CVG Centre Admin. Offices, 77 Comair Blvd., Erlanger, Kentucky. This is a federally funded project subject to Davis-Bacon prevailing wage requirements and 49 CFR Part 26 Disadvantaged Business Enterprise (DBE) participation rules.

The scope encompasses replacing the legacy Honeywell glycol conveyance control system with a Programmable Logic Controller (PLC) platform; integrating new control systems for the Spent Aircraft Deicing Fluid (SADF) conveyance system at the DHL ramp expansion; replacing the stormwater treatment plant SCADA software platform; and engineering new PLCs for the DHL ramp expansion. The system manages over 1,000 input/output points across 45 deice pads, glycol distribution systems, detention basins (Elijah Creek and Gunpowder Creek), stormwater treatment, and pump stations. Technical requirements include web-based HMI accessibility across multiple browsers and mobile devices, Azure AD/Entra ID SSO integration, 99.5% uptime availability, SOC-2 compliance, role-based access controls, open APIs, and data encryption. The contractor must implement Endpoint Detection and Response (EDR) software, critical vulnerability patching within 60 days (CVSS 9.0–10.0), high-severity patching within 120 days (CVSS 7.0–8.9), and multi-factor authentication via unique Active Directory accounts for remote VPN access. Quarterly security OS updates, quarterly SCADA application updates to latest minor versions, and annual major version upgrades are required, with quarterly reporting on all software and firmware versions.

The contract term is five years with an option to renew for five additional one-year terms. The total appropriations request is $2,686,210, comprising design ($270,000), equipment ($2,100,000), system upgrades ($237,000), labor ($78,210), and miscellaneous costs ($1,000), with recurring yearly operations and maintenance costs of $15,000. Pricing must be submitted on a lump-sum basis for design, hardware, and software installation, plus annual software updates and license fees for years one through four; monthly invoices are paid net 30. Contractors must obtain employee badges at $44 per badge initially, with penalties for lost badges. Proposals must include a 5% proposal bond; selected contractors must provide 100% payment and performance bonds. Questions are due June 22, 2026 at 11:59 p.m., with answers posted by June 25, 2026. Anticipated board approval is July 27, 2026, with contract implementation beginning August 14, 2026. The contractor must maintain professional liability ($1,000,000 minimum), commercial general liability ($2,000,000–$10,000,000), workers' compensation, and automobile liability insurance with KCAB named as additional insured.