Site work, new construction and renovation of a water / sewer project in Sanibel, Florida. Completed plans call for the construction of a 364-square-foot, one-story above grade water / sewer project; for the renovation of a water / sewer project; and for site work for a water / sewer project.

******THE PLANS AND SPECIFICATIONS ON FILE ARE FOR "REVIEW ONLY". IN ORDER TO SUBMIT AN ELIGIBLE BID, CONTRACTORS ARE REQUIRED TO GET A COPY OF THE PLANS AND SPECIFICATIONS FROM CAROLLO ENGINEERS, INC.***** The Project includes the following Work: 1. Construction of a new clearwell , electrical room and transfer pump station with facilities for H2S removal , including: a. Two CO2 storage tanks. b. One carbonic acid solution feed panel. c. Two packed tower aerators (PTA) with blowers, capable of providing at least 95 percent H2S removal. d. Three biotrickling filters (BTFs), capable of providing at least 97 percent HS removal. 2. Construction of a new bulk sodium hypochlorite chlorination system, including: a. Site stormwater system improvements. b. Where noted on the Drawings, demolition of existing chlorine gas system equipment and demolition/abandonment of existing carbon dioxide feed piping. c. Alterations to the existing chlorine gas building to house the new bulk sodium hypochlorite new BTF nutrient storage and feed systems. d. Piping, appurtenances, electrical and instrumentation and control systems. Bids are requested for the following Contract: Chlorination System Upgrades Project Please note the following bidding dates: Mandatory Pre-Bid Meeting: October 1, 2026, at 10:00 AM EST Bid Due Date: November 12, 2026, at 2:00 PM EST The bidding documents are available for download using this link: https://files.carollo.com/link/eyP2HQAuEfbdqvUITU9YBG Bidders should download the Contract Documents directly from the project website using the download link. Parties who download the documents through this link will be included on the distribution list for bidding communications, including responses to bidder questions and addenda, when issued. As stated in the Contract Documents, Carollo and IWA are not responsible for distributing bidding questions, responses, addenda, or other bidding communications to parties who obtain the Contract Documents from sources other than the download link. Additional information regarding the meeting and bidding process is available on the IWA project website https://www.islandwater.com/bids. Bonds: 5% Bid Bond, Performance Bond required (unspecified amount), Payment Bond required (unspecified amount). Submit questions about the meaning or intent of the Bidding Documents to Engineer in writing. Contact information and submittal procedures for such questions are as follows: Carollo Engineers, Inc. Attn: Raphael Knickerbocker rknickerbocker@carollo.com Question Deadline 11/06/2026