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TO: Honorable Mayor and Members of the Common Council FROM: Jon Urben, General Services Manager DATE: December 10, 2024 SUBJECT: Res 24-639 Award Bid to Various Vendors for Chemicals for the Water Filtration/Wastewater Treatment Plants for 2025 (Various Amounts)

BACKGROUND

This is the annual bid for operational treatment chemicals for the year 2025.  The chemicals are for the Water Filtration Plant (WFP) and the Wastewater Treatment Plant (WWTP).

ANALYSIS

Working in conjunction with Water Filtration and Wastewater staff, Purchasing reviewed and prepared proposals seeking vendors for these chemicals.   The bid due dates are listed on the attached bid tabs.  After comparing vendor unit prices based on projected consumption, staff determined the low bids for total annual estimated costs on the attached bid tabs met the minimum bid specifications.

FISCAL IMPACT

Based on the low bids, the estimated 2025 fiscal impact of these chemicals multiplied against their estimated quantity with their associated 2025 operating budget to be charged to their 1507 (chemical inventory) accounts and recommended vendor award is as follows:    Chemical and Plant 2024 Est. Cost 2025 Est. Cost Account # Recommended Award Liquid Chlorine WWTP $122,100 $127,080 05511910 1507 Alexander Chemical Liquid Chlorine WFP $122,100 $127,080 05411810 1507 Alexander Chemical Liquid Alum. Sulf. WFP $258,300 $279,300 05411810 1507 Chemtrade Chemicals Sodium Hyd. 30% WFP $369,000 $437,000 05411810 1507 Milport Enterprises Liquid Ferric WWTP $448,200 $475,500 05511910 1507 Kemira Water Solutions Inc. Liquid Odor WWTP $128,520 $134,980 05511910 1507 Evoqua Water Technologies Anhydrous Amm.WFP $19,875 $30,500 05411810 1507 Milport Enterprises Sodium Bisulf. WWTP  $28,800 $32,300 05511910 1507 Hydrite Chemical Company Fluorosilic Acid WFP $17,280 $28,740 05411810 1507 Alexander Chemical Dry Poly. WWTP $101,920 $106,837.50 05511910 1507 Polydyne Inc. Liquid Polyelec. WFP $117,510 $102,600 05411810 1507 Polydyne Inc. Liquid Oxygen WFP $133,600 $107,636.69 054118101507 Airgas USA LLC Phosphoric Acid WFP N/A $96,800 054118101507 Shannon Chemical Corp. Total Est. Cost $1,867,205  $2,086,354.10     The cost of the chemicals can vary annually depending upon on production cost, raw material availability and market demands.  The quantities of chemicals used by the utilities can vary annually depending on water treatment needs.  Based on the bids and other variables, staff anticipates an estimated 11.7% increase in water chemical costs for 2025.   The total estimated 2025 cost for these chemicals is $2,086,354.10.

RECOMMENDATION

Purchasing recommends the Council award the chemical bids to vendors as indicated above and on the attached bid tabs.  If there are any questions about these bids, please contact Public Works Director James Rabe or me.

Attachments RES 24-639 Bid Tab Water Chemicals 2025 Bid Tab Dry Cationic Bid Tab Phosphoric Acid Bid Tab Liquid Cationic

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