cover
TO: Mayor Richard C. Irvin
FROM: Bob Leible, Assistant Superintendent of Water Production
DATE: November 27, 2018
SUBJECT:
A Resolution Awarding Contracts to Supply Process Chemicals for the Water Production Division.
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 operation of the various water 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 24, 2018.
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. Certain chemicals are occasionally bid on a trial basis because the chemical's performance in the treatment process has not yet been determined. The chemicals bid for this solicitation are all offered for a two-year period.
Funds have been requested in the 2019 City Budget in Account No. 510-4058-511-65-36 in the amount of $1,729,547. The proposed budget amount is based upon the estimated usage for all process chemicals including those in this solicitation: sodium hypochlorite, anhydrous ammonia, cationic polymer, carbon dioxide, and ferric chloride. With the exception of carbon dioxide, the recommended suppliers (see attachment) are the lowest responsive, responsible bidders. The two apparent lowest bidders for carbon dioxide submitted bid language modifications that are unacceptable to the City and therefore the bids are considered non-responsive.
In addition, Mississippi Lime (ML) has offered a non-bid price for the supply of calcium oxide (li...
Click here for full text