The City of Raleigh is seeking sealed bids from qualified chemical suppliers to provide liquid ferric sulfate to the City of Raleigh Water Treatment Plants. The contract will be awarded for a term of one year with renewal options for up to four additional twelve-month terms. The City requires a minimum of 16,900,000 dry pounds of liquid ferric sulfate per year. The bidder must provide a description of their manufacturing capabilities, including current production output and inventory management practices. The City reserves the right to adjust quantities as needed and to add additional items and/or products as needed. The bidder must also provide references from at least three government agencies that are currently being supplied ferric sulfate by the bidder. • The liquid ferric sulfate solution must meet AWWA B406-97 and ANSI/NSF STANDARD 60 standards. • The solution must be manufactured from virgin mined iron ore and have a "water white" grade of sulfuric acid. • The City reserves the right to reject any delivery that does not conform to the specifications. • The bidder must provide a Letter of Guarantee outlining how they will ensure no interruptions in their supply of ferric sulfate to the City.