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TO: Mayor Richard C. Irvin
FROM: Robert Leible, Assistant Superintendent of Water Production
DATE: December 7, 2020
SUBJECT:
A Resolution Awarding Contracts to Supply Process Chemicals for the Water Production Division (WPD) to Airgas Specialty Products, Kemira Water Solutions, MacCARB, Rowell Chemical Corporation, and Polydyne.
PURPOSE:
To obtain City Council approval for the execution of contracts with suppliers of various process chemicals for the Water Production Division.
BACKGROUND:
Each year the Water Production Division solicits bids for process chemicals to be used at the Water Treatment Plant. These chemicals are essential and necessary to the operations of the various treatment processes such as softening, disinfection, fluoridation, and taste & odor control, as well as regulatory compliance with drinking water standards. Sealed bids for this purpose were opened on October 21, 2020.
DISCUSSION:
Most contracts are awarded to the lowest responsive, responsible bidder for a period of one year, which may be renewable for a second year when mutually agreed upon by the City of Aurora and the supplier. The chemicals bid for this solicitation are all offered for a two year period. Each of the recommended suppliers provided a bid price for both 2021 and 2022. The suppliers for sodium hypochlorite (Rowell), anhydrous ammonia (Airgas Specialty Products), and ferric chloride (Kemira) are the lowest responsive, responsible bidders.
The apparent low bidder for carbon dioxide was Linde, however, Linde took exception to standard City of Aurora bidding language pertaining to indemnification. As such, Corporation Counsel deems such a bid to be non-responsive. MacCarb submitted the second lowest bid for carbon dioxide, has been the incumbent supplier during 2019 - 20, and is therefore the recommended supplier.
Polydyne ($0.61/lb.) and Suez ($0.59/lb.) submitted very competitive bids for cationic polymer. Polydyne is the incumbent supplier. Because...
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