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COOLING SYSTEM WATER TREATMENT CHEMICALS

Non-UW-Madison users contact: Vendor Representative

3 days ARO
2 days for University Heating Plant

MAKE‑UP WATER ANALYSIS FORMULAS TO BE USED

Our make-up water has a total alkalinity of 325 ppm (as CaCO3) and the cooling tower water’s total alkalinity will be controlled at 200 ppm (as CaCO3) and at 3.5 cycles of concentration.

“D” F.O.B. DESTINATION, FREIGHT PREPAID AND ALLOWED

MAKE‑UP WATER ANALYSIS FORMULAS TO BE USED

Our make-up water has a total alkalinity of 325 ppm (as CaCO3) and the cooling tower water’s total alkalinity will be controlled at 200 ppm (as CaCO3) and at 3.5 cycles of concentration.

Estimated annual make-up water is 19 million gallons based on 3.5 cycles of concentration.

“D” F.O.B. DESTINATION, FREIGHT PREPAID AND ALLOWED

MAKE‑UP WATER ANALYSIS FORMULAS TO BE USED

Our make-up water has a total alkalinity of 325 ppm (as CaCO3) and the cooling tower water’s total alkalinity will be controlled at 200 ppm (as CaCO3) and at 3.5 cycles of concentration.

Estimated annual make-up water is 19 million gallons based on 3.5 cycles of concentration.

“D” F.O.B. DESTINATION, FREIGHT PREPAID AND ALLOWED

Chemicals subject to sample/testing prior to any transport/return.

*Price is for drums or 200 gal mini-bulk

**Pricing is UW-owned tank.  Pricing above includes tank level sensor.

MAKE‑UP WATER ANALYSIS FORMULAS TO BE USED

Our make-up water has a total alkalinity of 325 ppm (as CaCO3) and the cooling tower water’s total alkalinity will be controlled at 200 ppm (as CaCO3) and at 3.5 cycles of concentration.

Estimated annual make-up water is 19 million gallons based on 3.5 cycles of concentration.

“D” F.O.B. DESTINATION, FREIGHT PREPAID AND ALLOWED

MAKE‑UP WATER ANALYSIS FORMULAS TO BE USED

Our make-up water has a total alkalinity of 325 ppm (as CaCO3) and the cooling tower water’s total alkalinity will be controlled at 200 ppm (as CaCO3) and at 3.5 cycles of concentration.

Estimated annual make-up water is 19 million gallons based on 3.5 cycles of concentration.

SPECIFICATIONS

LOT 1 -- COOLING TOWER WATER CHEMICAL TREATMENT
1.   The cooling water chemical treatment program shall be used on both cooling tower and evaporative condensers throughout the University campus. The performance and dosage specification are listed in Section 6.2.2. The estimated annual usage and current product being used are shown in the Current Situation Page 3 of this Bid.  Note that building systems may be added or deleted as deemed necessary by the University and purchase levels are not guaranteed.

      All chemical treatment calculations shall be based upon the makeup water analysis as shown.

      Chemical treatment must be compatible with existing University equipment and system materials, without any modifications or other costs to the University to use the Bidder's product.

2.   Product Specifications
2.1     pH, Alkalinity, Scale, and Corrosion Control Agent:  The pH and alkalinity control agent shall be sulfuric acid. The corrosion inhibitor shall be a combination of zinc, tolyltriazole, and 1‑hydroxyethylidene‑1, 1‑diphosphonic acid (HEDP). The formula shall conform to the following:

               1.      Alkalinity reduction capability shall be not more than 2.1 ppm of treatment per 1 ppm of alkalinity (as CaCO3).

               2.      The inhibitor combination, when used at a dosage of 600 ppm (5 pounds per 1,000 gallons of make-up water) shall develop at 3.5 cycles of concentration the following minimum levels:

• Zinc (as Zn) Not less than 4.0 ppm or more than 6.0 ppm.
• Tolyltriazole Not less than 6 ppm or more than 10 ppm.
• Organo-Phosphonate Not less than 10 ppm active

            The premixed chemical treatment (acid and inhibitors)is currently packaged in returnable 30 gallon translucent plastic drums. Bidders’ prices should reflect this delivery size and type of container. However, if the Contractor can provide a more convenient  and cost effective delivery container. The University reserves the right to waive this requirement.

2.1.1      Because treatment chemicals continue to change, the University has decided to allow up to two alternate product bids.  The University will be the sole decider of trying or rejecting any or all options based on total cost of change to the university.  Follow the same format of information as in 2.2.1

• Common name of treatment and difference to current
• Contractor will maintain 3.5 cycles of concentration and provide
• Scale Inhibitor
• Corrosion inhibitor
• Yellow metal inhibitor

2.1.2      Because treatment chemicals continue to change, the University has decided to allow up to two alternate product bids.  The University will be the sole decider of trying or rejecting any or all options based on total cost of change to the university.  Follow the same format of information as in 2.2.1

• Common name of treatment and difference to current
• Contractor will maintain 3.5 cycles of concentration and provide
• Scale Inhibitor
• Corrosion inhibitor
• Yellow metal inhibitor

• Non-Oxidizing Biocide must contain the following minimum active ingredient, and provide microbiological control when used at a dosage of 2.18 pounds per 1,000 gallons system volume:
• This product contains Oxyethylene, Ethylene and Ethylene Dichloride: --- 20.0%

2.  Oxidizing Biocide must contain the following minimum active ingredients to maintain a (1) ppm free chlorine residue for a period of at least (2) hours when fed at a dosage of 0.42 pounds per 1,000 gallons of system volume.:

• Sodium Hypochlorite: --- 11%

2.2.2.1          Because most ground waters contain various forms of iron reducing bacteria, the University has decided to allow one alternate product bid.  The University will be the sole decider of trying or rejecting any or all options based on total cost of change to the university.  Follow the same format of information as in 6.2.2.2 #1

• Dosage per 1000 gal of system volume
• Biocide name and concentration.

2.3        Packaging Requirement:
2.3.1         The pH, Alkalinity, Scale, and Corrosion Control Product shall be delivered in returnable 220 gallon totes to the Charter Street location and in returnable 30 gallon drums with single shipments of 40 or 80 drum lots to all other locations. 

2.3.2         The Non-Oxidizing and Oxidizing Biocide Agents shall be delivered in returnable 220 gallon totes to the Charter Street location and in returnable 55 gallon drums to all other locations with no specific number of drums per single shipment. 

2.4        After the Contract award the Contractor shall:
2.4.1         Provide on-site training to University Physical Plant Personnel in the purpose, use, safe handling and testing procedures associated with the product.

2.4.2         With the assistance of Physical Plant Staff, provide and place three test coupons in cooling water piping at test tee provided by the staff.  Test coupons must be installed before June 1st of every year.  After four months of continued operation, using the contracted product, provide a certified written lab report that indicates the annual corrosion rate of the product.  Return the test coupons to the Physical Plant Staff after the analysis is performed.

2.4.3         At least once every two weeks during the cooling season, make on-site visits to test the chemical treatment systems, answer questions and provide a test report showing the results.

LOT 2 -- CLOSED LOOP CLEANERS AND INHIBITOR

1.   The closed loop cooling and heating systems inside the University buildings are periodically cleaned to remove iron oxide corrosion products, silt deposits and glycol degradation materials. The systems are then treated with a liquid borate-nitrite or molybdenum based inhibitor to prevent corrosion and deposit fouling. All products are to be bid for delivery in a liquid form. The performance and dosage specifications are listed below. The estimated annual usage and current products being used are shown in the Current Situation Page1 of this Bid. Note that building systems may be added or deleted from the program at the University’s discretion and no purchase levels are guaranteed.

All chemical treatment calculations shall be based upon the makeup water analysis as shown.

Chemical treatment must be compatible with existing University equipment and system materials, without any modifications or other costs to the University to use the Bidder's product.

2.   Product Specifications
2.1     Alkaline-Organic Cleaner:  The Alkaline-Organic Cleaner must contain the following ingredients and content-minimums and provide effective closed system cleaning at a dosage of 5 gallons of cleaner per 1,000 gallons of city water.

2.1.1        Because cleaner treatment chemicals continue to change, the University has decided to allow up to one alternate product bids.  The University will be the sole decider of trying or rejecting any or all options based on total cost of change to the university.  Dosage rate and components must be listed in the same order as in 1.2.1

2.1.2        Molydbenum Inhibitor:  Closed loop chemical that employs a combination of synergistic corrosion inhibitors and deposit control agents to protect large chilled water systems from oxygen attack and fouled heat exchange surfaces.  This product should not contain toxic metals, have low environment impact, and not subject to microbiological degradation.  Maintain a 10 to 20 ppm of molybdenum (as MO) in the closed loop system. 

              
2.2.3        Borate-Nitrite Inhibitor:  The Borate-Nitrite Inhibitor must provide copper and steel corrosion rates of less than 1.0 mils per year, contain a red pH sensitive dye indicator (or equivalent), be compatible with glycol solutions, and provide the following minimum levels of inhibitor and deposit control agent levels when used at a dosage rate of 10 gallons per 1,000 gallons of city water.

3.   Packaging Requirement:  Closed loop cleaners and inhibitors shall be delivered in returnable 30 or 55 gallon drums in single drum lots. 

3.1     After the Contract Award the Contractor shall:
3.1.1     Provide on-site training to University Physical Plant personnel in the purpose, use, safe handling and testing procedures associated with the product.

3.1.2     At least once every calendar quarter, make on-site visits to perform random tests of systems to verify proper use and to answer questions from staff.

LOT 3 -- AIR CONDITIONING CONDENSATE DRAIN PAN BIOCIDE TREATMENT

1.   The Air Conditioning Condensate drain pan treatment program is used at the University of Wisconsin to prevent suspended solids and microorganisms from plugging drain lines which results in drain pan overflow.  The containers shall not float or plug drain pan pipe openings. The product must be safe for use in the airstream of ventilation systems supplying fresh air to offices and classrooms.  The product must be biodegradable, and contain no heavy metals, phosphates, or chlorine.

2.   Product Specifications: To meet the scope of the work, the treatment must be supplied in self metering containers. It must time release a controlled low level of quaternary micro biocide into the drain pans automatically 24 hour a day for a minimum of 3 months when used at the manufacturers recommended dosage.

2.1           Because drain pan units treatment chemicals continue to change, the University has decided to allow up to two alternate product bids.  The University will be the sole decider of trying or rejecting any or all options based on total cost of change to the university.  Follow the same format of information as in 2.1.

• Product Specification
• Packaging configuration

3.   Packaging Requirement: Air Conditioning condensate drain pan biocide shall be purchased and delivered in case lot.

LOT 4 -- CAUSTIC SODA
1.   Product Specifications:
1.1     Caustic Soda Beads shall be 97.5% NaOH.

      1.2     Caustic Soda Liquid shall be 50% NaOH at approximately 13 pounds per gallon.

2.   Packaging Requirement:
2.1     Caustic soda beads shall be delivered in drums which contain a maximum of 120 pounds.

      2.2     Caustic soda liquid shall be delivered in returnable 55 gallon drums. 

      2.3     Caustic soda shall also be delivered in bulk quantities. 

ITEM 11 -- SULFURIC ACID, TECHNICAL GRADE
1.       Product Specifications:  Product shall be 66° Baume

2.      Packing Requirement:  Product shall be delivered in bulk by tank truck or by totes of 3,500 pounds minimum and placed in University and/or Contractor owned acid storage tanks.  Contractor must be willing and capable of safely transferring all materials into University and/or Contractor owned tanks.  For bulk delivery, vehicles must be equipped with printing meters and delivery tickets must be provided showing the weight of the product delivered or heating plant staff shall be contacted prior to pumping so as to verify that vehicle meter starts at zero and after pumping to verify quantity delivered.           

3.       Tank Requirement:  Contractor must provide a tank and containment for the Charter Street facility with a minimum containment of 2000 gallons of sulfuric acid.  Contractor shall provide all maintenance of tank as well as maintain adequate insurance in compliance with section 5.8 Insurance, at no charge to the University of Wisconsin, Madison for the duration of the resulting contract.

ITEM 12 -- 15% SODIUM HYPOCHLORITE

1.   Product Specification:  Product shall be 15% sodium hypochlorite by available chlorine

1.1      Packaging Requirement:  Product shall be delivered in returnable 220 gallon totes to the Charter Street location and in returnable 55 gallon drums to all other locations. 

1.2      Sodium Hypochlorite shall also be delivered in bulk quantities. 

ITEM 13 -- 5 MOL BORAX

1.   Packaging Requirement:  Product shall be delivered in 50 pound bags

Revision History