QUICKLIME

Board of County Commissioners · 2026-07-21 · resolution

Miami-Dade County Board of County Commissioners is considering the award of Contract No. EVN0013501, for Quicklime, to Carmeuse Lime & Stone, Inc. The contract is for a five-year term with a total amount of $124,080,000.00 for the Miami-Dade Water and Sewer Department (WASD). This quicklime is a critical chemical used in water treatment operations at three regional water treatment plants: John E. Preston, Hialeah, and Alexander Orr. The contract ensures a reliable supply of approximately 42,000 tons of quicklime annually, necessary for water softening, pH adjustment, alkalinity control, and overall process optimization to meet regulatory requirements. The contract replaces Contract No. FB-01772. An Invitation to Bid was issued on March 9, 2026, with two bids received by March 31, 2026. Carmeuse Lime & Stone, Inc. was the lowest responsive and responsible bidder. No certified Small Business Enterprise (SBE) firms were able to meet the solicitation requirements. The quicklime must meet stringent quality and regulatory requirements, including a minimum average calcium oxide (CaO) concentration of 90 percent by weight, conform to AWWA Standard B202-25, and be certified in accordance with NSF/ANSI Standard 60. The contract allows for annual price adjustments. The Infrastructure, Innovation & Technology Committee forwarded this item to the Board with a favorable recommendation on June 10, 2026. The Board is scheduled to take final action on July 21, 2026.