2026-2027 HIGH CALCIUM QUICKLIME

The City of Dubuque Water Department is requesting sealed bids for the purchase and delivery of Calcium Oxide (High Calcium Quicklime) for the remainder of FY 2027 through June 30, 2027. The quicklime must meet or exceed ANSI/AWWA B202-19 standards and be suitable for use in the potable water industry in the treatment and softening of potable water. The lime shall be classed by size known as one-half inch (1/2") with a minimal amount of dust and fine material allowed. The quicklime supplied under this specification shall have a guaranteed available Calcium Oxide (CaO) content greater than or equal to ninety percent (90%). • The quicklime must meet ANSI/AWWA B202-19 standards • The quicklime must be suitable for use in the potable water industry • The lime shall be classed by size known as one-half inch (1/2") with a minimal amount of dust and fine material allowed • The quicklime supplied under this specification shall have a guaranteed available Calcium Oxide (CaO) content greater than or equal to ninety percent (90%)