R2022-211 Resolution Accepting the Bid and Authorizing the Execution of a Purchase Order Furnishing Water Treatment Chemicals-Alum City Project-Pur2022-07

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12/5/22,3:32 PM Item Coversheet in Public Works DATE: 11/28/2022 MEMO: 2022-72 TO: Honorable Mayor Moore Wolfe and City Council Members FROM: Scot Wrighton,City Manager Matthew C.Newell,P.E.,Public Works Director SUBJECT: Resolution Accepting the Bid and Authorizing the Execution of a Purchase Order Furnishing Water Treatment Chemicals —Alum City Project—PUR2022-07. SUMMARY RECOMMENDATION: Staff recommends awarding Purchase Orders to the low bidders meeting specifications listed on Exhibit A for each of the water treatment chemicals. BACKGROUND: The following is a list of the chemicals and how they are used in the water purification process. Alum—to coagulate;clarifying agent Carbon—used for taste and odor control;control of atrazine and other compounds Carbon Dioxide—lowers the pH level Chlorine—primary disinfectant Hydrofluorosilicic Acid—reduces tooth decay Lime—water softening agent Sodium Chlorite—disinfectant;used for taste and odor control Sodium Hexametaphosphate—used to counteract calcium hydroxide;prevents scaling;filter protection The low bidders meeting specifications have provided the City with the necessary bonding,NSF and AWWA certifications required for their chemicals. The bid tabulation is attached in Exhibit A. The bid documents provided the bidder the option of a 6-month Purchase Order or a 12-month Purchase Order to allow the supplier to reduce risks of the future price increases. The bids for Alum,Carbon,Carbon Dioxide,Lime, Sodium Chloride,and Sodium Hexametaphosphate came in at the same price for 6 or 12 months. A 12-month Purchase Order was selected. The bids for Chlorine,Hydrofluorosilicic,and Sodium Chlorite was higher for a 12-month and the 6-month bid was selected. Chlorine,Hydrofluorosilicic,and Sodium Chlorite will be rebid in April/June for the second half of 2023. The overall cost of the chemicals has increased approximately 35%from the bid received in 2022. PRIOR COUNCIL ACTION: None POTENTIAL OBJECTIONS: There are no known objections to this resolution or bid award. INPUT FROM OTHER SOURCES: Purchasing Department STAFF REFERENCE: Matt Newell,Public Works Director,Keith Alexander,Water Production Manager,and Chaundra Smith, Water Production Operations Supervisor.Matt Newell will be at the City Council meeting to answer any questions the Council https://decatur.novusagenda.com/agendaweb/CoverSheet.aspx?ltemlD=4133 1/2