Attachment 1-SOW ZMP Water Treatment 2024.pdf

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STATEMENT OF WORK FOR WATER TREATMENT SERVICES AT ZMP-AIR

ROUTE TRAFFIC CONTROL FACILITY.

SCOPE OF WORK

The contractor must provide all water treatment services and materials to maintain trouble free performance on all waterside components of the environmental components located at the Air Route Traffic Control Center, 512 Division Street, Farmington, Minnesota 55024, in accordance with the attached FAA Specifications for Water Treatment, ZMP-ARTCC, Farmington, Minnesota.

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SPECIFICATIONS

FOR

Water Treatment

ZMP ARTCC

AIRWAY FACILITIES

Farmington, Minnesota

March 2024

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SCOPE OF WORK

1. General Requirements:

1.1. The Contractor must design and provide a complete service-oriented water treatment program for all boiler systems, cooling towers, all heating water circulating systems, and all chilled water systems that will accomplish the following results:

1.1.A. Reduce fuel and electrical consumption through improved heat transfer efficiency by minimizing scale, corrosion, fouling and microbiological growth.

1.1.B. Minimize the repair and maintenance costs associated with replacement and cleaning of equipment due to scale, corrosion, fouling and microbiological growth.

1.1.C. Provide professional knowledgeable and involved service personnel to ensure program success

1.1.D. Accurately monitor program results and provide appropriate recommendations with quantifiable personnel.

1.1.E. Provide thorough training to all building Environmental Technicians on the implementation and control of the program.

1.2. The Contractor must furnish all chemicals, testing reagents, and equipment to properly treat all applicable systems, as indicated above.

2. Specific Requirements

2.1. The Contractor will be responsible for all of the following areas:

2.1.A. Program Goals: The water treatment program will provide scale and corrosion protection for condenser water system, cooling towers, chillers and chilled water systems, deaerator, condensate lines, and closed hot water loops.

2.1.B. Contractor Commitment: Contractor's chemical program and consulting service are to produce clean heat transfer surfaces, which are substantially freed of scale, sludge, deposits, corrosion, pitting and biological growth when treatment is administered in accordance with Contractor’s directions and recommendation.

2.1.C. Representative Experience: The Contractor will provide sufficient personal including a direct supervisor to represent the company in dealing with the FAA. All representatives must be full-time employees of the Company. Representatives must be familiar with all aspects of water treatment and have as a minimum a Bachelor of Science degree in chemistry or chemical engineering from accredited university. Only these individuals will represent the Contractor regarding services for this Service Agreement.

2.1.D. Service Level and Response Time: A representative must visit the facility every two weeks. All chemicals and products must have the capability to be ordered online. Delivery to the site must be within 24 hours from the time the order is

Page | 4 placed for emergency purposes only. Normal chemical delivery will need to be made within four business days from online order date. At minimum, the representative will conduct independent tests, review the facility's monitoring and control program, and will submit written reports on program statue/trends with recommendations for improvement. Distribution of these reports will be determined by the Federal Aviation Administration.

2.1.E. Transportation of Equipment and Chemicals: All trucks coming onto the FAA site will be inspected on arrival and on exiting the facility. Trucks leaving the facility must be empty, unless special approval is obtain from the FAA. Trucks must only carry chemicals and/or products for the FAA facility. Contractor is responsible for bulk chemical transfer to onsite storage/distribution systems.

2.1.F. GSA availability: Contractor must provide a GSA number for all products. All water treatment chemicals recommended by the Contractor must be available on the General Services Administration (GSA) schedule. Appropriate GSA ordering information must be provided.

2.1.G. Contractor's Representatives: A direct supervisor must be available for calls on specific problems should they occur. The representatives must be available to the FAA on 24-hour notice, and under emergency circumstances, must be able to visit the facility within two (2) hours after being notified.

2.1.H. Program Administration: In order for FAA personnel to have quick access to a technical and safety information regarding the water treatment program. The Contractor will provide an Administration Notebook. At a minimum, this notebook must contain an outline on the chemical program, all chemical control test procedures, log sheets, product bulletins, material safety data sheets, feed and control equipment specification, and service reports.

2.1.I. Subcontractors: The Contractor must not use any subcontractors in any portion of service other than those associated with the equipment.

2.1.J. Drum Handling and Disposal: The Contractor must eliminate the need for the FAA to handle any chemicals or chemical drums and eliminate the need for the FAA to dispose of empty drums. The Contractor must also have the ability to transport chemical containers up or down three flights of stairs.

2.1.K. Training: The Contactor must provide training sessions for FAA personnel as needed.

Videotapes, DVD, flip charts, and workbooks will be used to assure maximum impact. This training will include how to perform tests and monitor chemical program resu1ts, how to work safely with chemical products, and general training regarding boiler and cooling systems.

2.1.L. Efficiency Monitoring: Contractor must conduct boiler and chiller efficiency studies.

These studies must highlight efficiency losses and the cost associated with any inefficient operations. Computer printouts and/or written reports required for each study to be submitted to COR.

2.1.M. Company: The contracting company must have an ISO 9001:2015 certification, valid in Quality Assurance.

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2.1.N. Efficiency: Overall boiler efficiency, chiller efficiency, evaporator efficiency, and condenser efficiency must be reported at least once per quarter.

2.1.O. Health and Safety: The Contractor must provide Safety Data Sheets to ensure a safe work environment for FAA personnel and to comply with all state and federal laws concerning the handling of hazardous materials.

2.1.P. Safety Data Sheet: The Contractor must ensure that a Safety Data Sheet accompanies all first time orders, and existing onsite products Safety Date Sheets are current. The Contractor must provide a 24hour, 7 days per week emergency telephone number, which can be called for emergency information regarding chemical spills and/or accidents and/or accidents involving contractor products.

2.1.Q. Troubleshooting Capabilities: The Contractor must have laboratory facilities capable of performing a wide array of analytical work to facilitate monitoring, control and troubleshooting of FAA Facility's systems. The Contractor must provide all laboratory services. Subcontracted work or the use of independent laboratories is not allowed unless specifically authorized by FAA. Laboratory services must include: corrosion coupon analysis, water analysis, deposit analysis, microbiological analysis, ion exchange resin analysis; analex cartridge analysis, fuel oil analysis, and metallurgical analysis.

2.1.R. On-Site microbiological Testing: The Contractor must have the capability of quantitatively determining organism levels within 24 hours of making a water sample and reporting the results in colony forming units per volume of sample. The Contractor must provide this test to the FAA so that a clean system can be maintained without having to over feed biocide.

2.1.S. Monitoring and Control: The Contractor will provide a comprehensive chemical testing program with written instructions and test procedures for all control tests. The Contractor must provide a summary chart with frequency and time of day for each test. Testing reagents for all on-site water testing must consist of pre-measured package. The FAA technicians will not have any testing chemicals.

2.1.T. Feed and Control Equipment: The Contractor must utilize the Facility's existing chemical feed or control equipment. The Contractor will review the benefits of installing new equipment and discuss any savings the FAA may realize as a result.

2.1.U. Annual Business Review: The Contractor must present a yearly review of the treatment program, ninety (90) days prior to the expiration of the Service Agreement. Contractor's representative must, at this time, meet the designated representative of the FAA to discuss all treatment programs, their effectiveness, and future objective.

2.1.V. Idle Systems: The contractor will be responsible for recommending treatment dosages and methods for protecting idle systems such as laying up of boilers during Summer months, and laying up of air conditioning systems during winter months.

2.1.W. Cooling Tower Inspection: The contractor must inspect all major cooling towers twice per year to examine for biological growth foam, sludge, cooling tower deterioration, etc.

2.1.X. Boiler/Chiller Inspection: The contractor must inspect the boilers and chillers annually when they are open for inspection by the FAA or other unscheduled openings. Photographs

Page | 6 of equipment internals must be taken, and an on ongoing record with photographs must be kept. The Contractor will be notified of these openings two weeks in advance.

2.1.Y. Special Studies: The contractor must conduct corrosion studies in critical system at least annually to ensure program performance. Frequency may be increased as corrosion problems surface. Oxygen studies must also be performed on the deaerator boiler feed water to minimize corrosion problems in the boiler system. Elution studies must be performed on the water softeners to help reduce boiler scaling and improve heat transfer efficiency, where applicable.

2.1.Z. Water Conservation: The Contractor must make every conceivable effort to maximize cycles of concentration in both boilers' and cooling towers to minimize water consumption.

2.1.AA. Chemicals: All chemicals will be manufactured and/or packaged by the Contractor. The only exception to this would be any biocides. Contractor must maintain inventory of any product used for site specific water treatment.

2.2. The contractor must have in-house lab capabilities to assist in the solution of problems which may arise. Evidence of laboratory capability may be requested. If requested by the FAA, the below sample analysis must be submitted to the COR within five business days of request. The

2.2.A. corrosion coupon analysis 2.2.B. microbiological analysis 2.2.C. water analysis 2.2.D. deposit analysis 2.2.E. metallographic failure analysis 2.2.F. other analysis as required

2.3. The contractor must have the following minimum laboratory equipment:

2.3.A. Scanning electron microscope 2.3.B. Transmission electron microscope 2.3.C. Atomic absorption spectrophotometer 2.3.D. X-ray fluorescence spectrophotometer 2.3.E. Total carbon, hydrogen, nitrogen analyzer 2.3.F. X-ray diffractometer 2.3.G. Gas chromatograph 2.3.H. Automatic colony counter

3. INDEPENDENT TESTING: In the event the FAA finds it necessary to further test the system, an independent testing lab may be retained. If the results show that intent of the specification has not been met, the contractor will bear the expense of this test.

4. CHEMICAL TREATMENT PROGRAM REQUIREMENTS - COOLING

4.1. Scale and Corrosion Control

4.1.A. Chemical: The chemical treatment must be a single multifunctional liquid product. The blend of active ingredients must include at least:

4.1.A.1. PTA (Phosphono-butane-tricarboxylic acid) or HEDP (Hydroxy-ethylidene diphosphonic acid) phosphonates 4.1.A.2. Dispersant

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4.1.A.3. Tolytriazole 4.1.A.4. Organic tracer

4.1.B. The final blend must be alkaline and the chemical shall be implemented to meet the following specifications in tower systems: Farmington, Minnesota:

4.1.B.1. 1800 < TDS < 2200

4.1.B.2. 100<M Alkalinity<400 4.1.B.3. 700 < Calcium Hardness < 900 4.1.B.4. Microbio Counts < 100,000 CFUs 4.1.B.5. 5 < Organophosphonate < 6

4.2. Product Bulletins: Product bulletins, which outline capability of meeting these requirements, must be provided to the COR, upon request from the FAA, by the contractor. No treatments containing heavy metals will be considered for the cooling tower treatment or by application other than closed systems.

4.3. Application: The chemicals will be introduced into the system by existing proportional pumps adjusted to maintain an adjusted to maintain a level of chemical measured in ppm of material in 1000 gallons of city make-up water when concentrated four (4) times (4 Concentrations on Farmington water).

4.4. Anti-foaming Agent: The contractor will provide condenser system anti-foaming agent. This product will be onsite at all times and be added to the system to eliminate sump foaming. The anti-foaming agent may be added by existing proportional pump or manually.

4.5. Service program: The Contractor must provide written procedure indication concentration of chemical and method of testing to verify that concentration.

4.6. Annual Testing

4.6.A. The Contractor must conduct an annual survey of the Federal Aviation Administration condenser loops. Testing and recommendations will be furnished by the Contractor ensure the loops are maintained at turbidities below 100 NTU corrosion rates below <0.5 NPY on copper and <2.5 NPY on mild steel coupons.

4.6.B. The following minimum chemical levels will be maintained.

4.6.B.1. The copper and mild steel coupons must be tested every 365 days to monitor corrosion rates.

4.6.B.2. If condenser tubes or cooling tower becomes coated or fouled, the contractor must have the system cleaned or repair at their own expense.

4.7. Chemicals must also be available in a bulk storage container with full containment basins which would eliminate the use of drums and the need for Federal Aviation Administration personnel to be involved with the delivery process of the chemicals.

5. BIOLOGICAL CONTROL PROGAM

5.1. Chemical: The chemical treatment program must consist of non-oxidizing, non-ionic, non-ionic isothiazoline based biocide and an oxidizing stabilized bromine biocide. The microorganisms must be kept below 100,000 organisms per ml. Cationic biocides will not be considered.

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5.2. Application: The chemical treatment: will be applied by feeding at the intervals recommended by the Contractor by use of a pumping system to eliminate handling of the chemical.

5.3. Service program. The Contractor must submit written procedures for testing the effectiveness of the micro biocide program. The field test will be done by Federal Aviation Administration personnel once per week on all system and be accurate from less than 100,000 organisms/ml to 10,000,000 organism/ml.

5.4. Microbiological control; Non-ionic biocide and Oxidizing biocide :

Both biocides must also be available in an approved double wall bulk storage container with full containment basin which would eliminate the use of drums and the need for Federal Aviation Administration personnel to be involved with the delivery process of the chemicals.

6. CLOSED LOOP TREATMENT

6.1. Chemicals: The chemical treatment program to be used in each facility will vary from building to building, based on present loop condition, temperature, temperature currently used and make-up to the system. The technologies, which will be acceptable to the Federal Aviation Administration in general are as follows:

6.1.A. One drum Nitrite/Molybdate combination, which includes polyacrylate dispersants.

Tolytriazole and a pH buffer.

6.1.B. One drum Molybdate/Phosphonate combination, which includes polyacrylate dispersants, tolytriazole, borate and a pH buffer.

6.2. Application: The chemicals will be applied by feeding through a pot feeder based on an as needs basis as determined by the Contractor.

6.3. Service program: The Contractor must conduct a survey of Federal Aviation Administration closed loops to identify the need for backflow preventers, pot feeders and present loop conditions. Testing and recommendations will be furnished by the Contractor to ensure the loops are maintained at turbidities below 100 NTU.

6.3.A. Nitrite/Molybdate Program will have 400 ppm as NO2 in chilled loops and 600 ppm as NO2 in hot loops. Molybdate will be maintained at 60 ppm as Mo in chilled loops and 30 ppm as Mo in hot loops.

6.3.B. Molybdate/Phosphonate programs will have 30 ppm as Mo chilled loops and will not be use in hot loops. The phosphonate level will be maintained at 30 ppm as PO4