Village of Addison – North WWTP Expansion

September 18, 2026

ORIGINAL ADVERTISED DATE: September 18th, 2026

MANDATORY PRE-BID: 2:00 PM Tuesday, October 6th, 2026

DUE DATE: 2:00 AM Thursday, November 12th, 2026

Project Contact: Jerry Ruth, P.E.

 

INVITATION TO BID

Sealed proposals will be received by the Village of Addison for the project entitled “North WWTP Expansion – Village of Addison, Illinois” until 2:00 PM on Thursday, November 12th, 2026 at the Village Hall, located at 1 Friendship Plaza, Addison, IL 60101. The sealed bids will be publicly opened and read aloud immediately afterwards in Room 1301 ABC at Village Hall on the same date. Sealed bids shall be addressed to the Village of Addison, 1 Friendship Plaza, Addison, IL 60101 and shall be labeled “Bid for North WWTP Expansion – Village of Addison, Illinois”.

 

Work Description

Demolition

  1. Concrete and Asphalt pavement, fencing, sidewalk, bike path, trees, etc.
  2. Existing Maintenance and Control Building – structure, antenna tower, blowers, etc.
  3. Existing Excess Flow Diversion Structure (Screening Chamber) – structure, pipe, gates, etc.
  4. Existing Chlorine Contact Tank and Control Structures – pipe, gates, concrete, etc.
  5. Existing Intermediate Pump Station.
  6. Removal of miscellaneous site piping & utilities, structures, and valves.

 

Site Work

  1. Site grading and earthwork.
  2. Paving and restoration.
  3. Fencing, lighting, bike path, crosswalks, and security.
  4. Site piping (influent interceptor, excess flow influent/effluent, potable and non-potable water, raw sewage force mains, primary sludge, scum, waste activated sludge, digested sludge, storm sewer, sanitary sewer).
  5. Site electrical, communications, and gas.
  6. Stormwater pollution prevention plan (SWPPP), stormwater pump station, conversion of the existing excess flow clarifier to a stormwater holding tank, and stormwater BMP.
  7. Conversion of existing Excess Flow Clarifier to a stormwater holding tank and conversion of existing Flocculation Tank to Stormwater Pump Station.
  8. Construction of Aerobic Digester Pump Station, including valve vault and meter vault.
  9. Construction of Chestnut Lift Station, including valve and meter vault.

 

Construct New Garage, Laboratory, & Operations Building:

  1. Construct new structure (structural steel, cast-in place concrete, and precast concrete) with glass curtainwall entrance.
  2. Construct mezzanine decks, walls, and supports.
  3. Install laboratory equipment and support systems.
  4. Install elevators and support systems.
  5. Install mechanical, electrical, and controls support systems.
  6. Install SCADA stations, offices, reception area, locker rooms, restrooms, etc.

 

Construct New Excess Flow Clarifiers:

  1. Construct new cast-in place concrete structure including two (2) parallel clarifiers and excess flow diversion structure.
  2. Install tipping buckets and scum skimming tipping buckets within each clarifier.
  3. Install gates, actuators, weirs, launders, supports, walkways, stairs, etc.

 

Construct New Screening Building:

  1. Construct new cast-in place concrete and precast concrete structure.
  2. Install piping, weirs, and gates.
  3. Install Raw Sewage Perforated Plate Screens and Screenings Washer/Compactor equipment, including piping, valves, controls, etc.
  4. Install new power distribution center, including emergency backup generators.
  5. Install Electrical and Mechanical support systems.

 

Preliminary Treatment Building Rehabilitation:

  1. Demolition of existing equipment, pads, piping, grating, channel walls, etc.
  2. Installation of flood protection equipment.
  3. Replacement of roofing system, doors, windows, etc.
  4. Install Raw Sewage Grit Removal equipment, including piping, valves, controls, etc.
  5. Install Primary Sludge Pumps, including piping, valves, controls, etc.
  6. Install piping, flow meters, weirs, and gates.
  7. Replace HVAC, Electrical, and Controls.

 

Primary Clarifier Rehabilitation:

  1. Demolition of existing rotating assemblies, bridges, electrical, etc.
  2. Install clarifier rotating assemblies, piping, bridges, stairs, weirs/baffles, and electrical support systems.
  3. Replace gates, grating, stairs, etc. at existing Primary Clarifier Diversion Structure.

 

Biological Process Improvements:

  1. Convert existing biological process basins for proposed A2O Process.
  2. Install anaerobic mixing systems, piping, valves, and equipment.
  3. Install anoxic mixing systems and bridges.
  4. Install aerobic membrane diffusers, air piping, and valves.
  5. Install internal recycle piping, valves, flow meters, and pumps.
  6. Install influent slide gates and effluent weirs.
  7. Construct FRP baffle walls.
  8. Convert existing RAS Pump Station to MLSS Mixing Channels.
  9. Install electrical support systems and primary elements.
  10. Construct new A2O basins.
  11. Construct two (2) new cast-in-place concrete basins.
  12. Construct new cast-in-place concrete piping tunnel extension and stair tower.
  13. Install anoxic mixing systems and bridges.
  14. Install aerobic membrane diffusers, air piping, and valves.
  15. Install internal recycle piping, valves, flow meters, and pumps.
  16. Install influent slide gates and effluent weirs.
  17. Construct FRP baffle walls.
  18. Install electrical support systems and primary elements.

 

Secondary Treatment Building Rehabilitation:

  1. Demolition of existing equipment, pads, piping, grating, walls, etc.
  2. Replacement of roofing system, doors, windows, etc.
  3. Install RAS and Scum pumps, piping, valves, flow meter, controls, etc.
  4. Install BNR Anaerobic Mixing System Equipment, including compressors, piping, valves, controls, etc.
  5. Install BNR Aeration Equipment, including blowers, piping, valves, controls, etc.
  6. Replace HVAC, Electrical, and Controls.

 

Final Clarifier Rehabilitation:

  1. Demolition of existing rotating assemblies, bridges, electrical, etc.
  2. Install clarifier rotating assemblies, baffles, deflector plates, piping, valves, gates, bridges, stairs, weirs/baffles, and electrical support systems.
  3. Replace gates, valves, grating, stairs, etc. within the existing Diversion/Flume Structures.

 

Construct New Advanced Treatment Building:

  1. Construct new cast-in place concrete and precast concrete structure.
  2. Install Final Effluent Pump Station, including pumps, piping, valves, flow meters, etc.
  3. Install chemical storage tanks, metering pumps, piping, and valves.
  4. Install mixing and chemical feed systems for phosphorus polishing.
  5. Install Disc Filters, including piping, valves, gates, weirs, FRP decking, and control panels.
  6. Install Ultraviolet Disinfection Units including gates, weirs, grating, and equipment.
  7. Install non-potable water system pumps, piping, valves, and tank.
  8. Install Electrical and Mechanical support systems.
  9. Decommissioning of existing chlorination and dechlorination systems and conversion of buildings for storage.

 

Aerobic Digester Expansion and Upgrades:

  1. Demolish equipment within existing First Flush Tank and Aerobic Digester.
  2. Installation of gravity thickening equipment, air lift pumps, valves, piping, and bridge within existing first flush tank.
  3. Upgrades to existing Aerobic Digester.
  4. Installation of process air blowers, piping, valves, headers, and diffusers.
  5. Installation of aluminum covers and supports.

 

Sludge Handling Building Improvements:

  1. Replacement of process piping, valves, and belt press feed pumps.

 

Contract Documents

The Bid Documents may be inspected (PDF) and purchased at the TAI St. Charles Office:

 

40W201 Wasco Rd. Suite D

St. Charles, Illinois 60175

630/587–0470

 

Contact Cody Hansen at c.hansen@trotter-inc.com to schedule an appointment or to purchase the contract documents. Payment for Contract Documents is non–refundable and shall be payable to Trotter and Associates, Inc. in the form of cash, certified check or money order. No partial sets of specifications or drawings will be issued. Please allow 48 hours notice for plan production of each hard copy requested. The non–refundable cost for hard-copies of drawings and specifications is $1,350.00. The non–refundable cost for electronic (PDF) copies of drawings and specifications is $200.00. 

 

Any Contract or Contracts awarded under this invitation for bids are expected to be funded in part by a loan from the Illinois Environmental Protection Agency (Illinois EPA) and by the United States Environmental Protection Agency (USEPA)’s Water Infrastructure Finance and Innovation Act (WIFIA). Neither the State of Illinois nor any of its departments, agencies, or employees is or will be a party to this invitation for bids or any resulting contract. The procurement will be subject to regulations contained in the Procedures for Issuing Loans from the Water Pollution Control Loan Program (35 IAC Part 365), the Davis-Bacon Act (40 USC 276a through 276a-5) as defined by the United States Department of Labor, the Employment of Illinois Workers on Public Works Act (30 ILCS 570), the Illinois Works Jobs Program Act (30 ILCS 559/20-1), Federal American Iron and Steel (AIS) requirements, the “Build America, Buy America Act” requirements as contained in the federal Infrastructure Investment and Jobs Act, Pub. L. No. 117-58, as well as other WIFIA requirements.

 

This procurement is also subject to the loan recipient’s policy regarding the increased use of disadvantaged business enterprises. The loan recipient’s policy requires all bidders to undertake specified affirmative efforts at least sixteen (16) days prior to bid opening. The policy is contained in the specifications.

Mandatory Pre-Bid Meeting

A Mandatory Pre-Bid Meeting will be held on Tuesday, October 6th, 2026 a 2:00 PM at the Village of Addison North WWTP, 711 N Addison Road, Addison, IL 60101. Bidders/Contractors not attending the Pre-Bid Conference shall have their bids rejected.

 

Bonds

Each bid shall be accompanied by a bid bond payable to the order of the Village of Addison, Illinois in an amount not less than ten (10) percent of the amount of the bid, as a guaranty that the bidder will execute the contract, if it is awarded, in conformity with the bid form.

 

The successful bidder will be required to furnish Performance and Payment Bonds on forms provided in the Specifications and Contract Documents, each in an amount equal to 100 percent of the contract sum.

 

The successful bidder will be required to furnish a Maintenance Bond on forms provided in the Specifications and Contract Documents, in an amount equal to 5 percent of the contract sum.

 

Wages

The contractor shall pay prevailing wages in accordance with the Davis-Bacon Act (40 USC 276a through 276a-5) as defined by the U.S. Department of Labor, Local Ordinance and the Illinois Department of Labor Prevailing Wages for DuPage County, whichever is greater.

 

Rates can be obtained online at www.wdol.gov and www.state.il.us/Agency/idol/.

 

Rejection of Bids

The Owner expressly reserves the right to reject any or all bids or to accept the one, which appears to be in the best interest of the Owner. The Owner expressly reserves the right to waive any informalities or technical irregularities in a bid if to do so is in the best interest of the Owner.

 

Questions

Questions regarding the project should be directed to Cody Hansen at c.hansen@trotter-inc.com.

 

See the Trotter Website for more information:

https://www.trotter-inc.com/projects-for-bid

 

Award of Bid

Final award of bid shall be contingent on the Village of Addison receiving financing from the Water Pollution Control Loan Program as administered by the Illinois Environmental Protection Agency. Per the IEPA’s Procedures for Issuing Loans from the Water Pollution Control Revolving Fund Part 365.620, Section b, unless all bids are rejected, award shall be made to the low, responsive, responsible bidder after the bid evaluation has been submitted to the IEPA and written notice of IEPA approval has been received by the Village of Addison.