27CRDLWBMBALM-0001 - Alum Applications at Casey Lake (Tama Co. ) *REBID*

The Iowa Department of Natural Resources is requesting bids for aluminum sulfate and sodium aluminate treatment of Casey Lake in Tama County, with bids due September 4, 2026 at 10:00 a.m. CDT. This is a rebid following an unsuccessful prior cycle.

The scope encompasses mobilization and demobilization services for spring 2027 application, delivery of 23,845 gallons of liquid aluminum sulfate, and delivery of 11,923 gallons of liquid sodium aluminate to treat the 38-acre lake located within Hickory Hills Park. The project represents the final phase of an ongoing lake restoration initiative designed to reduce internal phosphorus recycling and improve water quality and recreational opportunities. Bidders must meet all technical specifications outlined in Exhibit 1, Section 02 10 00, regarding equipment, application methods, and chemical specifications.

Bidders must submit contact information, business history, technical experience, resumes for key personnel, and three references from previous customers. Acceptance of DNR Standard Contract Conditions and General Conditions is required; supporting documentation and specifications are provided as buyer attachments.

Payment terms are sixty days as allowed under Iowa Code 8A.514. Bidders may propose early payment discounts for payment within 15 or 30 days. No site visits or bidders conferences are specified. Bid opening occurs at 8:00 a.m. CDT on August 27, 2026; the question due date is not stated in the source materials.