Aluminum sulphate

The City of Scottsdale, Arizona, acting on behalf of Maricopa County, is soliciting proposals through Request for Proposal (RFP) 26RFP034 for the supply and delivery of liquid aluminum sulfate to be used as a coagulant in water treatment at the CAP Water Treatment Plant. The City anticipates annual usage of approximately 7 million pounds of liquid alum with a preferred concentration of 48% aluminum as Al2(SO4)3.14H2O, with the product required to meet AWWA Standard B-403-09 and NSF Standard 60 certifications for drinking water treatment chemicals. Respondents must submit proposals electronically through the City's Bonfire procurement portal, with proposals due Wednesday, April 1, 2026, at 2:00 PM Arizona local time; questions regarding the solicitation must be submitted by Tuesday, March 24, 2026, at 2:00 PM. The contract shall be for an initial one-year term with options for four additional one-year periods upon mutual agreement, recommendation of the Contract Administrator, and concurrence of the Purchasing Director. Contractors must provide pricing for both standard full truckload (FTL) and single truckload (STL) deliveries with guaranteed four-day delivery, as well as emergency delivery options guaranteed within two days, with all pricing all-inclusive and F.O.B. destination to 8660 E. Union Hills, Scottsdale, Arizona 85260, deliverable on weekdays from 7:00 a.m. to 5:00 p.m. Evaluation criteria include product delivery commitment, transportation resources and backup plans, security measures, pricing, company experience and expertise, reference quality, compliance with terms and conditions, and subcontractor information.

The RFP contains no identified set-asides for disadvantaged enterprises or restrictions limiting response to specific organization types, though all respondents must comply with Arizona E-Verify requirements and demonstrate lawful presence. Contractors must maintain comprehensive insurance coverage including Commercial General Liability ($1,000,000 per occurrence, $2,000,000 aggregate) and Business Auto Liability ($1,000,000 per accident), with the City named as additional insured. All pricing must be all-inclusive with no fuel surcharges allowable during the contract term, and no additional charges permitted beyond the quoted unit price except applicable sales tax; the City is exempt from federal excise tax and will add use tax as applicable. The solicitation documents do not identify an incumbent vendor or existing contractor, nor do they reference specific technology integration requirements. The City reserves the right to award multiple contracts or a single contract based on the most advantageous combination of product and services, though no specific contract value or budget range is disclosed in the available solicitation materials.