This is a service / maintenance or supply contract in Hebron, Kentucky. Contact the soliciting agency for additional information.

The Kenton County Airport Board ("KCAB") is soliciting bids for Water Treatment Services at the Cincinnati/Northern Kentucky International Airport ("CVG"). KCAB is seeking the services of a firm to administer the current water treatment program. The water treatment services must also include all professional testing, chemicals, equipment, and consulting services of a certified testing lab, utilizing licensed and certified chemical water treatment professionals deploying the proper tools and methods. Deadline For Questions To Be Submitted: January 26, 2026, 11:59pm Therefore any questions regarding this ITB are encouraged and must be submitted electronically using the Question and Answer tab of this ITB on KCAB's online bidding system Interviews: Week of February 16 SCOPE OF SERVICES 2.7.1. Service Level and Response Time The successful bidder ("Contractor") must be available to field concerns on specific problems as they occur. The Contractor's representatives must be available to KCAB within 4 hours of notification (by phone or other satisfactory means) and available in-person within twenty-four (24) hours, if required. 2.7.2. Chemical Storage and Handling Requirements The Contractor must provide examples of chemical handling, storage and disposal procedures contemplated for this assignment. KCAB anticipates that the Contractor must deliver, distribute, unload, handle and position chemicals in appropriate containers to the point of feed for primary applications. Chemical container and packaging must be appropriate for the content, durable and leak proof, weatherproof, and water resistant. KCAB anticipates chemical products will be provided in the appropriate concentration so to be used without on-site dilution or mixing. In order to minimize the liability in this regard, the airport requires the following: Chemical Storage Requirements Storage container material must be appropriate for the chemical contained, the handling means used, and the storage conditional available. Paper, cardboard, thin plastic, thin metal or corrosive sensitive material must be avoided. Spill containment vessels must be sized at 150% of the stored chemical. Liquid chemical storage vessels must be designed in such a way to ensure unobstructed suction for feed pump and to allow for complete emptying of the vessel. Liquid storage vessels must have a means to accurately gauge the remaining volume of contents for the purpose of chemical inventory management and control of the Water Treatment Service Program. Feed pumps must be leak proof, rigidly affixed to a working surface and/or located inside the spill containment vessel. The Contractor will retain ownership of the chemical spill containment vessels throughout the service cycle of this RFP, irrespective of where that spill containment vessel resides. The Contractor must permanently label the container to identify ownership. Tanks must be vented and fitted with fume suppression equipment during delivery. Chemical Delivery Requirements Chemical transport equipment must comply with DOT requirements for transporting hazardous material. Chemical containers may need to be transported up/down steps, or ladders. Contractor will be responsible for delivery of chemical to the point of use. The Contractor must establish communication protocol with the appointed KCAB contract and must notify KCAB of deliveries and on-site visits to perform tests, evaluate feed equipment, identify inventory, and other on-site duties. KCAB must be notified at least one day in advance of all visits. Contractor must provide examples of chemical handling procedures utilized elsewhere, examples of Contractor's chemical delivery training program, and photos of storage and handling equipment. Please indicate where similar systems may be seen locally if desired by KCAB. No empty chemical vessels are to be stored on site. Empty chemical vessels must be removed from the site by the Contractor. Deliveries must be made by material handlers who are: Certified on HAZMAT compliance. Equipped with PPE as required for delivery, unloading, handling, positioning, and transfer of chemicals. Trained and equipped with PPE, tools and materials required to contain and handle chemical spills and other similar incidents. 2.7.3. Equipment Ownership The Contractor must furnish, supply, maintain, repair and replace as necessary all devices, parts, hoses, power wiring, extension cords, and other equipment needed to measure, control and operate the water treatment feed equipment. The Contractor must repair or replace any non-functioning equipment at no cost to KCAB for the duration of this agreement. Ownership of Water Treatment Service equipment must revert to KCAB at the completion of this assignment, unless agreed to otherwise. 2.7.4. Health and Safety The Contractor must provide SDS and HazMat information to KCAB to ensure a safe environment for all and comply with all state and federal laws concerning the handling of hazardous materials. KCAB requires a SDS for all products and chemicals. The Contractor must provide a 24-hour, 7-day per week, chemical material safety and handling expert, who can be contacted in the event of emergencies or concerns regarding chemical spills and other accidents involving chemicals furnished under this contract. 2.7.5. Troubleshooting Capabilities The Contractor must have or contract with a laboratory facility capable of analytical work necessary to facilitate monitoring, control, and troubleshooting of KCAB systems being treated. The Contractor must provide all necessary laboratory services. If this work is to be subcontracted, Contractor must identify laboratory of choice and note this in the bid response. Laboratory services must include corrosion coupon analysis, water analysis, deposit analysis, microbiological analysis, and metallurgical analysis. All laboratory fees and costs must be included for the duration of this agreement. 2.7.6. Training Contractor must provide training to KCAB staff. This training must include how to monitor chemical feed systems, understanding the test results, how to access chemical treatment inventory level information, how to work safely around chemical products, and training regarding chemical treatment of hot water hydronic systems, boilers, chilled water system, condenser water systems and cooling tower systems. Training must also include the use of online monitoring system. Note that training for KCAB personnel is to provide a level of understanding of the chemical treatment systems and chemicals used. 2.7.7. Water Treatment Products The Contractor must utilize treatment chemicals in the liquid state, and must deliver chemicals in the "ready to use" concentration. The following requirements must be demonstrated and met: All condenser water biocides must be supplied with a fluorescent tag capable of being read and controlled by automated controllers. Control of chemical treatment products must be achieved by Contractor furnished monitoring devices capable of measuring chemical concentration with a degree of accuracy of +/- 5 ppm. Devices must measure data on a continuous basis and report data through Water Treatment Service Contractor furnished communication devices connected to KCAB furnished virtual network. Scale and corrosion inhibitor water treatment product concentration must be measured continuously and fed as concentration level demand requires. Time based feed systems are not acceptable. A treatment chemical concentration level monitoring system is a key deliverable of the agreement. Monitoring system must send supervisory alarms to Contractor monitoring personnel when pre-determined alarm levels of chemical and conductivity are reached. Water chemistry must be continuously monitored and reported via Contractor's cloud-based monitoring application. In the event of chemical concentrations outside of pre-determined limits, the Contractor will be notified via the cloud-based monitoring system and will communicate this information via emails and phones calls to designated KCAB personnel. Contractor will work with KCAB in responding to and addressing alarm conditions, which may include KCAB performing some point of alarm investigation, fact finding, and notifying the Contractor with findings. The responsibility for addressing issues/alarms is the sole responsibility of the Contractor. The on premise virtual or hosted software solution will be provided by the Contractor to monitor the chemical system. The Contractor will provide information on the software system and the monitoring equipment proposed along with system report templates. KCAB may request the Contractor to provide a demonstration of the software during the bid review process. The monitoring system must allow multi-seat username and password protected remote access. The chemical monitoring system must self-calibrate for variations in water temperature, specific gravity, flow rates, pressure etc. The performance of the system must not be sensitive to changes in sample line pressure, normal fluctuation in sample flow, or changes in cycles of concentration. 2.7.8. Monitoring System KCAB requires that all chemicals added to the water for equipment and systems to be protected must be continuously monitored, and chemical concentration levels must adjust automatically, without interface with humans. Water Treatment Service Contractor must provide, configure, and support and internet-accessible application for the monitoring, retrieving, recording, and archiving of water treatment information. Such a system must have the following features: Secure, username and password protected access Standard internet browser accessible Application must support user-initiated data logging and reporting Application must support the upload and retrieval of service reports, operator logs, laboratory analysis, corrosion coupon reports, inventory, digital images, SDS's, product data sheets, technical papers, procedures, surveys, and training information. Application must collect data from the water treatment monitor system (i.e. conductivity, ORP, pH, inhibitor, chemical level sensor readings) from water treatment controller(s). Application must support trend reporting for system data captured Application must support multiple data graph and trend comparisons of collected data Application must have the ability to set alarm limits and notify authorized individuals via email alert notifications Application must support multiple security levels Training and in-services on use and navigation of the database system Provide the following for the Open Conser Water Treatment System: Three (3) 120 VAC electronic chemical metering pumps with manually adjustable stroke length. Provide pumps with adequate chemically inert tubing. Three (3) chemical resistant pump mounting brackets One (1) dry contact water meter for makeup meter. Properly sized meter for system. One (1) normally closed, 120 VAC solenoid valve for controlled condenser water bleed-off: Properly sized valve for system. CVG will provide a dry contact closure from the building automation system to the Water Treatment Service Contractor when the condenser water pumps are in operation. Provide the following for the Closed Loop Systems: One (1) 5-gallon bypass chemical feeder. Feeder must be constructed of steel with corrosion-resistant exterior coating, minimum 3 1/2" fill opening in the top, NPS 3/4" bottom inlet and top side outlet, and minimum 200 psig working pressure. Any additional water treatment related equipment which is needed, (chemical pumps, controllers, timers, injection equipment and water meters), may be provided by the treatment company for purchase by the facility. 2.7.9. Chemicals Chemicals must include scale and corrosion inhibitors. This product must be in liquid form using fluorescent tracer technology. Chemicals must be oxidizing microbicide and be in the form of liquid sodium hypochlorite or liquid bromine. The use of oxidizer "tablets" is prohibited. Non-oxidizing biocide chemicals products must be in liquid form and be fed at a rate consistent with the recommendations in its product literature a minimum of every 2 weeks. Open Evaporative (Cooling Tower) System Contractor must provide chemicals capable of inhibiting and minimizing mineral scale, corrosion, microorganisms, and biological fouling (i.e. biofilm) on all water-side surfaces (i.e., cooling tower fill, basin, piping, condenser tubes) of the condenser water system. The biocide chemical must meet Cooling Technology Institute (CTI) and/or Association of Water Technologies (AWT) guidelines relative to the control of condenser water pathogens such as Legionella. Chemical controller which incorporates PTSA for control of chemical scale and corrosion control. Oxidizing biocide must be fed using ORP spike feed method. Non-oxidizing biocide musth be fed using programmable internal timer. Both biocides would include pre-bleed and lock-out capabilities. Controller would have remote communications capability via KCAB furnished VPN. Closed Loop Water Systems Contractor must provide chemical capable of inhibiting and controlling corrosion and deposits on all water-side surfaces of the chilled and hot loop water systems. Chemical supply must be in the amount to dose the closed loops one (1) time per year as determined by test results. Laboratory testing must be performed at least annually on each loop. Testing must include inhibitors, metals, and ammonia. Corrosion inhibitor chemical must be in liquid form and maintain protection for all system ferrous and non-ferrous metals. Test results must include results for all metals. 2.7.10. Routine Technical Service Requirements The qualified technical service representative must maintain a Certified Water Technologist (CWT) professional qualification or equal. Service visit frequency must be a minimum of once per month. The technical service representative will perform the following duties during site visits: Sample and test all relevant water systems. Record results and recommendations on the Contractor's database application. Closed loops must be tested quarterly once automated control has been established. Make adjustments, repairs, and or improvements to water-related systems and water treatment equipment, and enter such actions taken on the Water Treatment monitoring application. Discuss and review all findings and actions taken with KCAB management during routine and non-routine service visits. It is recommended to coordinate visits to align with monthly KCAB facilities management meetings. Inspect water-consuming equipment during routine and non-routine openings. If desired, utilize videoscopes and or borescopes, as well as digital camera and visual inspection techniques. Subsequent reports and images must be made available on the Water Treatment Monitoring application. Review operator logs on the Internet database account and/or hardcopy during site visits. Analyze mild steel and copper corrosion coupons (condenser program only) at least twice per year. Make routine inventory checks of treatment chemicals and test reagents to confirm remote monitoring systems Make adjustments to the controllers, timers, and chemical pumps as needed. Submit a service schedule outlining all work to be performed during the upcoming year. A Management Review will be conducted twice a year to highlight accomplishments, system data, cost information and recommended projects for the coming year. Provide detailed checklist and report of visit within 7 days to KCAB. 2.7.11. Legionella Testing Services Legionella testing services will be performed on cooling towers and domestic water systems quarterly to adhere to the KCAB Water Management Plan. The testing must include all cooling towers and water services for the following buildings: Main Terminal Building domestic water supply Concourse A domestic water supply Concourse B domestic water supply Facility Maintenance Warehouse domestic water supply Glycol Building domestic water supply Terminal Parking Building domestic water supply Police Station Building domestic water supply Sign Shop Building domestic water supply Facility Maintenance domestic water supply North Fire Station domestic water supply South Fire Station domestic water supply CVG Centre Building domestic water supply Meyer Hanger Building domestic water supply Central Warehouse Building domestic water supply Field Maintenance Building domestic water supply Oxford Airport at Miami University Building domestic water supply 2.7.12. Annual Equipment Inspection It is the Contractor's responsibility to ensure that scale build-up on internal surfaces does not deter the heat transfer efficiency of the equipment. In the event of a scale build-up on internal surfaces, it is the Contractor's responsibility to clean the affected areas. Contractor will schedule with the CVG's mechanical contractor to bore scope internal surfaces and make inspections when units are open for yearly cleaning. Contractor must visually inspect and record the tube inspection of the CVG's boilers and chillers and must be able to provide KCAB with a narrated video tape of the inspection. KCAB will have the sole authority to determine as to whether descaling is required. 2.7.13. Performance Requirements Water quality for HVAC systems must minimize corrosion, scale buildup, and biological growth for optimum efficiency of HVAC equipment and systems, without creating a hazard to operating personnel or the environment. Contractor will base HVAC water treatment on the site water quality from samples they extract and test. Closed hydronic systems, including heating hot water loop and chilled water loop, must have the following water qualities: pH: Maintain a value within 8.5 - 10. Conductivity: Maintain a value within 2000 - 4000 umhos. Sodium Nitrite: Maintain a value within 1000 - 1500 ppm. Tolyltriazole: Maintain a value within 10 - 20 ppm. Microbiological Limits: Total Aerobic Plate Count: Maintain a maximum value of 1000 organisms/ml. Total Anaerobic Plate Count: Maintain maximum value of 100 organisms/ml. Nitrate Reducers: Maintain a maximum value of 100 organisms/ml. Sulfate Reducers: Maintain a maximum value of 0 organisms/ml. Iron Bacteria: Maintain a maximum value of 0 organisms/ml. Open hydronic systems, including condenser water, must have the following water qualities: pH: Maintain a value within 8.0 to 8.9. Total Alkalinity: Maintain a value within 100 - 300 ppm. Total Hardness: Maintain a value within 300 - 700 ppm. Conductivity: Maintain a value within 1200 - 1800 umhos. Phosphonates: Maintain a value within 4 - 10 ppm. Polymer: Maintain a value within 10 - 20 ppm. Tolyltriazole: Maintain a value within 2 - 5 ppm. Microbiological Limits: Total Aerobic Plate Count: Maintain a maximum value of 10,000 organisms/ml. Total Anaerobic Plate Count: Maintain a maximum value of 000 organisms/ml. Nitrate Reducers: Maintain a maximum value of 100 organisms/ml. Sulfate Reducers: Maintain a maximum value of 0 organisms/ml. Iron Bacteria: Maintain a maximum value of 0 organisms/ml. Passivation for Galvanized Steel: For the first 60 days of operation. pH: Maintain a value within 7.5 - 8.4. Total Hardness: Maintain a value within 100 - 300 ppm. Total Alkalinity: Maintain a value within 100 - 300 ppm. Passivation Treatment Chemical: Maintain residual as recommended by manufacturer. Glycol systems must remain at 40% concentrate. A unit price must be provided for this, if glycol is needed the KCAB will take responsibility for the cost. When levels are reported outside of recommended ranges the Contractor has 30 days to adjust levels. If levels are out of range after 30 days Contractor is in breach of contract and subject to termination. 2.7.14. Quality Assurance Contractor Qualifications: A certified specialist in the field of industrial/commercial water treatment for a minimum of 10 years. The water treatment company must have certified water analysis laboratories, and technical service representatives within 24-hour travel time to CVG. 2.7.15. Information Upon Request Product Data: For each type of product indicated. Shop Drawings: Pretreatment and chemical treatment equipment showing maintenance space required, power and control wiring, and piping connections to HVAC systems. Other Informational Submittals: Water Treatment Program: Sequence of operation on an annual basis for the application equipment required to achieve water quality defined in the "Performance Requirements" article above. Water Analysis: Illustrate water quality available at KCAB. Passivation Confirmation Report: Verify passivation of galvanized steel surfaces and confirm this observation in a letter to KCAB. Test web site for water treatment data and records. 2.7.16. Closed Loop System Chemical Product Specifications Product Specification Literature - include at a minimum the following information for closed loop corrosion inhibitor: product bulletin, MSDS, recent quality assurance analysis noting percentages of components in sample. Traced Closed Loop Treatment - provide traced closed loop inhibitor in liquid form, for automated metered pump dosing. Products must be a multi-component inhibitor that provides ferrous metal corrosion protection, copper alloy corrosion protection, scale inhibition and dispersancy. Product will be for use in heating and chilled water loops and must have the minimum component chemistry as a percentage of total product. Sodium Nitrite 24-29% Molybdate 4-9% Polyacrylate 4-10% Tolytiazole 1-5% 2.7.17. Open Loop System Biocide Product Specification Product Specification Literature - include at a minimum the following information for open loop system biocide; product bulletin, MSDS, recent quality assurance analysis noting percentages of components in sample . Cooling Tower Biocide (Liquid) - provide all bromine stabilized liquid biocide for use in open loop system for automated metered pump dosing. Contractor must furnish complete description of real-time monitoring of biological activity in system. Product must have minimum component chemistry as noted as a percentage of total products. Sodium Bromide 9-14% Sodium Hypoclorite 6-11% 2.7.18. Open Loop System Corrosion Inhibitor Product Specification Product Specification Literature - include at a minimum the following information for open loop system biocide; product bulletin, MSDS, recent quality assurance analysis noting percentages of components in sample. Cooling Tower Corrosion Inhibitor - provide corrosion and scale inhibitor for use cooling towers, in liquid form for automated metered pump dosing. Product must provide for 8 cycles of concentration + 10%). Product must be designed to operate at high alkalinities to eliminate the need for acid feed. Corrosion protection must protect iron and copper alloys and provide for scale protection and general dispersancy. Product must have minimum component chemistry as noted as a percentage of total products. Phosphonate 10-15% Benzotrizole 1-5% Hi-Stress Polymer 7-12% 2.7.19. Open Loop System Boicide (Dry) Product Specification Product Specification Literature - include at a minimum the following information for open loop system biocide (dry) product bulletin, MSDS, recent quality assurance analysis noting percentages of components in sample. Cooling Tower Biocide Tablets - provide bromine tablets for use in open loop cooling system for use with timed dispensing equipment to control biological control. Product must have minimum component chemistry as noted as a percentage of total product. 1-Bromo-3-chloro-5, t-dimelhylhydation 55-60% 1, 3-Dichloro-5, 5-dimenthylhydantoin 25-30% 1, 3-Dicholoro 5-ethyl-5-melhylhydantoin 5-10% 2.7.20. Water Management Program Contractors must follow KCAB's Water Management Program guidelines in Attachment B. 2.7.21. Equipment & Systems by Building Attachment C contains a listing of equipment and systems by building for reference.