Site Address: 2404 South Rising Road. Description: 1. For the Southwest Treatment Plant: a. Grit piping and valving improvements and structural modifications at Station A b. Modifications to existing Influent Distribution Box (ZN1) c. New chemically enhanced primary treatment including two primary clarifiers, a primary sludge and scum pump station, two flow diversion structures, and a flow meter vault (GG1, GG2, Station G, ZG1, and ZG2) d. Aeration tanks air piping and diffusers replacement (CC3 to CC7) e. Aeration Electrical Building (Station K) conversion to be part of Aeration Tank CC6, new Station K f. Secondary clarifier (HH5) scum removal mechanism replacement and painting of sludge removal mechanism g. Chemical feed system modifications at Chemical Feed Building (Station C) h. RAS pumps replacement at Control Building (Station I) i. Non-potable water system replacement at Station I j. New filter pumps at Filter Pump Building (Station S) k. New water cannons at Excess Flow Clarifiers (NN1 and NN2) and painting of sludge removal mechanisms l. Sludge storage tank (YY) replacement, including sludge transfer pumping improvements at Station S m. Odor control upgrades n. Demolition of nitrification towers (SS1 and SS2) o. Miscellaneous plant upgrades, including grading and railing replacements and concrete repairs throughout the plant p. Site work, yard piping, paving, and all associated process piping and valving, electrical, plumbing, HVAC, structural, instrumentation and controls work 2. For the Northeast Treatment Plant: a. Digester mixing equipment replacement for Digesters EE1, EE2, and EE3 at Station L and Station Q b. Digester gas piping replacement in Digester Complex and Digesters (Stations E, Q, P, K, L, and interconnecting tunnel, EE1, EE2, EE3, and KK2), including replacement of the waste gas burner (Station JJ2) c. Installation and execution of Part 3 of Low Voltage Switchgear Equipment (Section 26 23 00) d. Installation and execution of Part 3 of Biogas Handling and Conditioning Equipment (Section 43 13 37) e. Installation and execution of Part 3 of Digester Gas and Natural Gas-Fueled Combined Heat and Power Generation (Section 48 31 15) f. Digester Complex floor grating replacement g. Painting of EE2 digester cover h. All associated process piping and valving, electrical, plumbing, HVAC, structural, instrumentation and controls work Question Deadline 09/04/2024 at 12:00 PM CT Questions regarding the bid documents should be directed to Donohue & Associates attention: Kam Law, PE (Phone 312-583-7242, email klaw@donohue-as