Pebble Lime for Water Treatment - Ames Municipal Water Plant

The City of Ames is seeking bids from qualified vendors to supply pebble lime for the Water Treatment Plant. The contract period is from July 1, 2026, to June 30, 2027, with an optional extension through June 30, 2028. The estimated amount of pebble lime required is 3,000 tons per 12-month period. The pebble lime must meet specific quality and size requirements, including a minimum available calcium oxide content of 90% and a maximum sulfur content of 0.2%. The successful bidder must provide test results and certification from NSF, UL, or equivalent. • The pebble lime must be delivered in bulk to the City of Ames Water Treatment Plant. • The delivery must be made by trucks equipped with pneumatic unloading capability. • The contractor must notify the City of any changes in the location of pebble lime production, processing, or delivery departure. • The City reserves the right to cancel the contract at any time without penalty for poor performance. • The City reserves the right to purchase lime from other suppliers during the contract period for test purposes or as determined to be in the best interests of the City. • The delivery of this product is critical to the continued supply of safe drinking water to the Ames community.