Will County RNG 4th Compressor Install

JENNIFER BERTINO-TARRANT
WILL COUNTY EXECUTIVE
KEVIN LYNN
PURCHASING DEPARTMENT DIRECTOR
P.815-740-4712 County Office Building 302
F.815-740-4604 N.Chicago Street
E.klynn@willcounty.gov Joliet, IL 60432
October 9, 2026
To Whom It May Concern:
You are invited to submit your sealed proposal for the Installation of the 4th LFG Feed
Compressor at the Will County Prairie View Landfill RNG Plant, located at 29736 South
Prairieview Drive, Wilmington, IL 60481.
Specifications are attached hereto and are considered part of the SEALED PROPOSAL package.
A 10% Bid Bond or Cashier's Check made payable to the Will County Treasurer MUST
accompany your bid, or it will not be considered. Money Orders or Company checks will
not be accepted.
Sealed proposals will be received in the Purchasing Department, 2nd floor, Will County Office
Building, 302 N. Chicago Street, Joliet, IL, 60432, not later than 12:00 P.M., Friday, October
30, 2026 "as so indicated by the time stamp clock of Will County". Proposals received
after this time will not be accepted.
Proposals will be opened publicly and read by the Will County Executive or her
representative at 12:05 P.M. Friday, October 30, 2026, at the Will County Office Building,
302 N. Chicago Street, 2nd fl., Joliet, IL. 60432.
The bidder acknowledges the right of the County of Will to reject any or all proposals and to
waive non-material informality or irregularity in any statement of qualifications received in
whole or in part as may be specified in the solicitation.
Should you have any questions regarding this proposal, please contact the Will County
Purchasing Department at purchasing@willcounty.gov
Sincerely,
Kevin Lynn
Kevin Lynn
Purchasing
Director

ADVERTISEMENT OF BID
4TH LFG FEED COMPRESSOR
PRAIRIE VIEW LANDFILL RNG PLANT
SEALED BIDS FOR THE INSTALLATION OF 4TH LFG FEED COMPRESSOR AT THE WILL COUNTY
PRAIRIE VIEW LANDFILL RNG PLANT, LOCATED AT 29736 SOUTH PRAIRIEVIEW DRIVE,
WILMINGTON, IL 60481, WILL BE RECEIVED AT THE WILL COUNTY PURCHASING DEPARTMENT,
WILL COUNTY OFFICE BUILDING, 302 N. CHICAGO ST., 2ND FLOOR, JOLIET, IL 60432, UNTIL THE
HOUR OF 12:00 P.M., FRIDAY, OCTOBER 30, 2026.
SEALED BIDS WILL BE PUBLICLY OPENED AND READ BY THE WILL COUNTY EXECUTIVE OR
HER REPRESENTATIVE AT 12:05 P.M., FRIDAY, OCTOBER 30, 2026, AT THE WILL COUNTY OFFICE
BUILDING, 302 N. CHICAGO STREET, 2ND FLOOR, JOLIET, IL. 60432.
SPECIFICATIONS AND CONDITIONS OF THE BID AND CHANGES OR AMENDMENTS ARE
AVAILABLE AT www.demandstar.com OR www.willcounty.gov AS WELL AS THE PURCHASING
DEPARTMENT, 2ND FLOOR, WILL COUNTY OFFICE BUILDING, 302 N. CHICAGO ST., JOLIET, IL
60432, (815) 740-4712 OR EMAIL purchasing@willcounty.gov. BIDDERS ARE ADVISED TO REVIEW ALL
TERMS OF THE BID AND SUBMIT ANY INQUIRIES.
THE TENDERING OF A BID TO THE COUNTY SHALL BE CONSTRUED AS ACCEPTANCE OF THE
SPECIFICATIONS. THE COUNTY OF WILL RESERVES THE RIGHT TO ACCEPT OR REJECT ANY OR
ALL BIDS OR PROPOSALS RECEIVED IN WHOLE OR IN PART.
BY ORDER OF THE WILL COUNTY EXECUTIVE, JENNIFER BERTINO-TARRANT

INSTRUCTIONS TO BIDDERS
4TH LFG FEED COMPRESSOR
PRAIRIE VIEW LANDFILL RNG PLANT
SUBMITTAL REQUIREMENTS:
Each of the following documents shall be submitted by the bid time mentioned herein in order that the
bid will be considered:
1. 10% Bid Bond or Cashier's Check
2. Signed Copy of Prime Contractor Certification
3. Signed and completed Bid Form
4. Signed and completed Receipt of Addenda Form
5. Certificates of Insurance
6. Reference Form
GENERAL SPECIFICATIONS:
Bidders are invited to submit sealed bids for the Installation of the 4th LFG Feed Compressor at the Will
County Prairie View Landfill RNG Plant, located at 29736 South Prairieview Drive, Wilmington, IL
60481.
The guidelines provided by the Will County Land Use Department are divided into 7 key areas:
I. Required Information from Bidders
II. Evaluation and Selection
III. Scope of Work, Staffing and Duties
IV. Insurance Requirements
V. Pricing and Compensation
VI. Nature of the Contract
VII. Exhibits
I. REQUIRED INFORMATION FROM BIDDERS
SEALED BIDS:
Sealed bids will be received in the Purchasing Department, 2nd floor, Will County Office Building, 302
N.Chicago St., Joliet, IL 60432, not later than 12:00 P.M., Friday, October 30, 2026, "as so
indicated by the time stamp clock of Will County".
BIDS RECEIVED AFTER THIS TIME WILL NOT BE ACCEPTED.
Sealed bids will be publicly opened and read aloud by the Will County Executive or her representative at
nd
12:05 P.M., Friday, October 30, 2026, at the Will County Office Building, 302 N. Chicago St., 2

floor, Joliet, IL 60432.
Bids must be made in accordance with the instructions contained herein and any changes or amendment
issued by the County of Will.
Bid forms shall be completely filled out either typewritten or in ink and shall not be detached from this
binding. The complete set of all contract documents shall be submitted with the proposal in triplicate
with ONE ORIGINAL, TWO COPIES, AND ONE DIGITAL COPY ON AN ELECTRONIC
STORAGE DEVICE, CLEARLY MARKED. In the event of a conflict between the terms of the submitted
documents referenced in this package and the terms of the Bid Forms and Specifications, the terms of the Bid
Forms and Specifications shall prevail.
All Bid Forms and Specifications as attached hereto shall be used to form the Contract for the work to be
performed. Proposals shall be submitted on the forms furnished by the County of Will in a sealed
package, plainly marked, with the Bidder's name and address.
Bids shall be addressed to the Will County Purchasing Department, Will County Office Building, 302 N.
Chicago St., Joliet, IL 60432.
SIGNATURE OF BIDS:
The signature on bid documents shall be that of an authorized representative of bidder. An officer or
agent of the offering bidder who is empowered to bind the bidder in a contract shall sign the proposal
and any clarifications to that proposal.
Each bidder, by making and signing his bid, represents that he has read and understands the bidding
documents. Any bid not containing said signed documents shall be non-conforming and shall be
rejected.
BIDDING PROCEDURES:
1. All bids must be prepared on the forms provided by the County and submitted in triplicate, with
ONE ORIGINAL, TWO COPIES, AND ONE DIGITAL COPY ON AN ELECTRONIC
STORAGE DEVICE, CLEARLY MARKED, in accordance with the Instructions to bidders.
2. A bid is invalid if it has not been deposited at the designated location prior to the time and date for
receipt of bids indicated in the Advertisement for Bids or prior to any extension thereof issued to the
bidders.
3. Unless otherwise provided in any supplement to the instructions to bidders, no bidder shall modify,
withdraw or cancel his bid or any part thereof for ninety (90) days after the time designated for the
receipt of bids in the Advertisement for Bids.
4. Changes or corrections may be made in the bid documents after they have been issued and before
bids are received. In such cases a written addendum describing the change orcorrection will be issued
by the County of Will to all bidders recorded by the County of Will as having received the bidding documents
and will be available for inspection wherever issued. Such addendum shall take precedence over that portion

of the documents concerned, and shall become part of the bid documents. Except in unusual cases, such an
addendum will be issued to reach the bidders at least five (5) days prior to date established for receipt of bids.
5. Each bidder shall carefully examine all bid documents and all addenda thereto, and shall thoroughly
familiarize themselves with the detailed requirements thereof prior to submitting a proposal. Should a
bidder find discrepancies or ambiguities in, or omissions from documents, or should they be in doubt
as to their meaning, they shall, at once, and in any event, not later than seven (7) days prior to bid
due date, notify the County of Will, who will, if necessary, send a written addendum to all bidders.
The County of Will not be responsible for any oral instructions. All inquiries shall be directed to the
Purchasing Director. After sealed bids are received, the bidder will make no allowance for oversight.
PRIME CONTRACTOR CERTIFICATION:
Included in this bid package is a prime contractor certification form. This form must be filled out and
returned with your bid package, or it will not be accepted.
QUALIFICIATIONS, CERTIFICATIONS, LICENSES:
Bidder shall have, and if awarded contract, shall maintain all the necessary qualifications, certifications,
and/or licenses pursuant to Federal and State law and regulations to provide the items or services
required.
II. EVALUATION and SELECTION
RFP RESPONSE REQUIREMENTS -
Each respondent shall submit a Statement of Qualifications (SoQ) demonstrating the experience,
personnel, safety record, and technical capability necessary to install and commission the 4th LFG Feed
Compressor and associated systems at the operating Prairie View RNG Facility.
RELEVANT EXPERIENCE
a. Required specific equipment experience: The respondent shall demonstrate successful prior
experience installing Copeland/Vilter LFG feed compressor equipment and associated oil cooler systems
in an LFG-to-RNG facility. Identify at least one such project and the respondent's role in the
installation.
b. Describe all comparable RNG, landfill gas, gas compression, or natural gas processing projects
completed within the past seven (7) years, including location, equipment installed, dates, and
respondent's role.
c. Provide three (3) client references for comparable work and describe experience performing tie-
ins and construction within operating facilities while minimizing disruption to plant operations.
d. Describe experience utilizing union subcontractors to complete comparable projects.

PROJECT TEAM AND TECHNICAL CAPABILITY
a. Identify the proposed Project Manager, Site Superintendent, key technical personnel, and major
union subcontractors, including their relevant experience, anticipated roles, and specific location,
including proximity to Will County line in miles if not within, of subcontractors base of operations for
deployment of trades employees.
b. Demonstrate experience with the major elements of this work, including equipment
rigging/setting and alignment, process piping, electrical and controls integration, instrumentation, heat
trace, and associated concrete/structural work.
SAFETY AND QUALITY
a. Provide the respondent's safety record for the most recent three (3) years, including EMR and
other available OSHA safety metrics, and describe the approach to site-specific safety for work at an
operating RNG facility.
b. Describe quality-control procedures for equipment installation, alignment, piping/testing,
electrical checkout, commissioning, and final turnover documentation. Confirm required licenses,
permits, and regulatory compliance.
PROJECT APPROACH AND SCHEDULE
a. Provide a concise project execution plan and preliminary schedule addressing mobilization,
equipment setting, discipline sequencing, tie-ins/outages, testing, commissioning, and major milestones.
b. Describe how the respondent will coordinate with Will County, the RNG plant operator, plant
engineers, equipment manufacturers, union locals, and other project stakeholders through construction
and closeout.
Will County reserves the right to verify project experience and references. Failure to demonstrate the
required specific equipment installation experience in Item I.a. may result in the response being
determined unqualified.
EVALUATION CRITERIA:
The evaluation criteria shall include, but is not limited to the following:
1. Experience installing LFG/RNG compression systems or similar industrial gas equipment
2. Experience with the specific equipment, systems, and processes associated with the Owner's Facility
3. Qualifications, expertise, and resources of the proposed project team
4. Ability to coordinate construction within an operating facility while minimizing disruption to Plant
operations
5. References
6. Pricing

AWARDING OF BID:
The award will be based on the lowest responsible bidder that is able to meet or exceed the requirements
of the County for the Installation of the 4th LFG Feed Compressor at the Will County Prairie View
Landfill RNG Plant, located at 29736 South Prairieview Drive, Wilmington, IL 60481. A bid is awarded
based on total price listed on attached bid form.
REJECTION OF BIDS:
The bidder acknowledges the right of the County of Will to reject any or all bids, to waive any non-
material informality or irregularity in any bid received, and to accept the bid deemed most favorable to
the interest of the County of Will after all bids have been examined and evaluated. In addition, the bidder
recognizes the right of the County of Will to reject a bid if the bid is in any way incomplete or irregular.
In evaluating the bids, the County of Will reserves the right to take into account various criteria
including but not limited to, pricing, past performance, financial stability and reliability of each bidder in
determining which bid is most favorable to the interests of the County of Will.
III. SCOPE of WORK, STAFFING and DUTIES
OVERVIEW:
It is the intention of the County of Will to request proposals for the installation of the 4th LFG Feed
Compressor at the Will County Prairie View Landfill RNG Plant, located at 29736 South Prairieview
Drive, Wilmington, IL 60481.
BACKGROUND INFORMATION:
Will County, Illinois ("Owner") owns the Prairie View Recycling & Disposal Facility Biogas Processing
and Production Plant ("Plant") and the Prairie View Recycling & Disposal Facility ("Landfill"), both
located in Wilmington, IL. The Plant converts landfill gas (LFG) from the Landfill into renewable natural
gas (RNG) for injection in (referred to as an "LFG-to-RNG facility") to a natural gas pipeline owned by a
third-party. The Plant commenced operation in 2022. The Landfill is currently operated by WM. The
Plant is currently operated by SCS Energy.
The Owner is issuing this RFP for the installation of a fourth LFG feed compressor at the Plant. The
Contractor shall provide all labor, supervision, equipment, materials, coordination, and other services
necessary to complete the installation in accordance with the requirements of this RFP. The Contractor
shall coordinate the work to minimize disruption to ongoing Plant operations
SCOPE OF WORK:
The project scope will include the installation of a new 4th LFG Feed Compressor [231-C-100] together
with its associated 4th Oil Cooler [233-E-100]. The scope will include the installation and testing of all

supporting mechanical, electrical, and control systems at the Plant. Additional concrete structural
housekeeping pads will be required and are included in the Contractor scope.
The Owner has purchased and will provide the 4th LFG Feed Compressor [231-C-100] together with its
associated 4th Oil Cooler [233-E-100]. These will be available at the Plant when work commences.
Equipment will be unloaded at the Plant by others and stored at the Plant. The Contractor will be
required to lift and move the equipment for final installation. The balance of materials required for the
installation shall be the responsibility of the Contractor. The work scope for all disciplines is detailed in
the drawings and documents identified below.
DOCUMENTS & DRAWINGS
The following drawings and documents are provided to support the RFP. These drawings are released as
a supplemental revision to the original Issued for Construction drawings. All documents can be accessed
at the following link: 2026-83 Will County RNG Plant 4th Compressor Installation Docs
No. Discipline Document / Drawing
1. PROCESS SCS Drawings IFC Revision 04 (08/14/2026)
2. GENERAL SCS Drawings IFC Revision 01 (08/14/2026)
3. MECHANICAL SCS Drawings IFC Revision 05 (08/14/2026)
4. 3D MODEL SCS 3D Model Master PV (08.14.26).nwd
5. ISOMETRICS SCS Drawings Revision 00 (08/14/2026)
6. PIPING SCS 400500_Piping Material Specification (PMS) - R69
BILL OF
7. SCS Spreadsheet, Prairie_View_BOM_20260814
MATERIALS
LINE, V&I
8. SCS Prairie View - Line V&I List Rev 4
LIST
9. HEAT TRACE SCS Heat Trace Package 08/14/2026
10. ELECTRICAL AES Drawings Revision 01 (08/14/2026)
11. ELECTRICAL AES Electrical Specification 2026-08-14 IFC Spec (131-26)
AES Equipment PO Specification (Purchase by Will County) - 131-
12. ELECTRICAL
26_Prairie View Equipment Specs_2026-07-31
13. STRUCTURAL SDPA Drawings IFC Revision 06 (08/14/2026)
Questions related to this RFP and/or the associated drawings and documents shall be submitted to Will
County as Requests for Information (RFIs) for clarification. Responses to RFIs will be shared with all
prospective respondents.

EQUIPMENT SCOPE OF SUPPLY
The following equipment will be purchased by Will County and provided to the Contractor for
installation. All Owner-furnished equipment will be delivered to the RNG Facility and made available
for inspection prior to installation. Specific equipment availability and delivery dates will be
communicated to the selected contractor as procurement schedules are finalized.
* 4th LFG Feed Compressor, Tag No. 231-C-100 [Copeland-Vilter]
* 4th Compressor Oil Cooler, Tag No. 233-E-100 [Hayden via Copeland-Vilter]
* Electrical Equipment, LFG Feed Compressor #4 Motor (#231-D-100) MV Soft-Starter
* Electrical Equipment, LFG Compressor #4 Oil Cooler (#233-D-102) VFD (MCC bucket)
* Electrical Equipment, LFG Compressor #4 Oil Cooler Heater (#233-QE-101) FVC (MCC bucket)
* Electrical Equipment, LFG Compressor #4 Oil Pump (#233-D-101) FVNR (MCC bucket)
* Electrical Equipment, LFG Compressor #4 Oil Heater (#233-QE-105/6/7) FVC (MCC bucket)
It will be the responsibility of the Contractor to purchase all remaining materials and have them
delivered to the Site. A laydown area will be provided for materials delivered to the Prairie View RNG
facility. The Contractor will be responsible for maintaining inventory control of all materials delivered
to the Site.
GENERAL
Addition of the following pieces of main equipment are part of the Compressor Reliability Expansion
project:
* 4th LFG Feed Compressor, Tag No. 231-C-100 (G-100 Drawing item #3D)
* 4th Main Compressor Oil Cooler, Tag No. 233-E-100 (G-100 Drawing item #25D)
PROCESS
Install the 4th LFG Feed Compressor and associated Oil Cooler at the Prairie View facility, including all
interconnecting gas, oil, compressed air, and condensate pipework, valves, and instruments as required
and as shown in the attached Process Drawings.
MECHANICAL CONTRACTOR SCOPE
Install the 4th LFG Feed Compressor and associated Oil Cooler at the Prairie View facility, including all
interconnecting gas, oil, compressed air, and condensate pipework as required and as shown in the
attached Mechanical and Isometric Drawings. In addition, the Mechanical Contractor shall furnish and
install all items required to perform this work as shown in SCS's Bill of Material (BOM), including, but
not limited to, additional pipe supports, valves and instruments, and flexible joints. The Mechanical
Contractor will be expected to perform all cold and hot alignments as required by the compressor
supplier.
ELECTRICAL CONTRACTOR SCOPE
Install additional power and controls cabling and equipment to support the 4th LFG Feed Compressor
and associated Oil Cooler at the Prairie View facility. Conduits were previously installed in anticipation
of adding a 4th Compressor and Oil Cooler. Electrical scope is shown in the attached Electrical
Drawings. The Contractor shall also furnish and install heat trace equipment in accordance with the heat
trace package and electrical drawings.

STRUCTURAL CONTRACTOR SCOPE
Install additional housekeeping pads for the 4th LFG Feed Compressor and associated Oil Cooler at the
Prairie View facility, all as shown in the attached Structural Drawings. The isolation pad for the 4th
LFG Feed Compressor was installed during original construction and sits flush with the Process Bay
floor. Only the additional housekeeping pads are required to be added.
Reference Sheets: S-000, S-202, S-205, S-501, and S-502.
EXCLUSIONS
There are no expected updates required for the following disciplines; these items are excluded from the
scope of supply:
* Architectural
* Civil
* Fire Protection
* HVAC
* Life & Safety Systems
* Plumbing
* SCADA System (by SCS)
COMMISSIONING
Will County will require commissioning of the 4th Compressor to be completed. The expected start and
required completion dates will be confirmed separately from this RFP. Respondents shall provide their
proposed installation and commissioning schedule with their RFP response.
SCHEDULE
Will County will confirm the expected start and required completion dates separately from this RFP.
Respondents shall provide a proposed installation and commissioning schedule with their RFP response.
The schedule should identify anticipated mobilization, equipment setting, mechanical and electrical
installation, tie-ins/outages, testing, commissioning, and substantial completion.
IV. INSURANCE REQUIREMENTS
INSURANCE REQUIREMENTS:
INSURANCE
Unless waived or modified by a written change order, workers compensation and employer's liability
insurance coverage minimum limits requirements for Contractor and subcontractor, if any, are as
follows, with each insurance policy naming, as additional insureds, "Will County, it's employees,
agents, officers, and elected officials":
WORKERS' COMPENSATION
Limits shall be those required by applicable workers' compensation statutes for the State of Illinois.