Project Information

Bid Title

Engineering Services - Turf, Countryside, and Ranch Flood Improvement Project

Issuing Agency

City of Wheaton

Location

Illinois

Published Date

Mar 3, 2026

Closing Date

Mar 24, 2026

Government Level

State & Local

Status

Closed

Ref. #

26-48

Original Source

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Bid Documents

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Project Description

Bid Number:	26-48
Bid Title:	Engineering Services - Turf, Countryside, and Ranch Flood Improvement Project
Category:	City of Wheaton Bids - Contracted Services
Status:	Open

Description: The City of Wheaton is seeking proposals from a qualified professional engineering firm to prepare project drawings and specifications for construction for the Turf, Countryside, and Ranch Flood Improvement Project. Publication Date/Time: 3/3/2026 12:00 AM Closing Date/Time: 3/24/2026 11:00 AM Related Documents: 26-48 Notice to bidders RFP

Attachment Preview

REQUEST FOR PROPOSAL #26-48

ENGINEERING SERVICES – TURF, COUNTRYSIDE, AND RANCH FLOOD IMPROVEMENT PROJECT

Issue Date:

March 3, 2026

Last Date for Questions:

No later than March 17, 2026, at 11:00 am (CST)

Due Date:

No later than March 24, 2026, at 11:00 am (CST)

Prevailing Wages:

Prevailing Wage Act (820 ILCS 130/1-12)

☐DOES APPLY

☒DOES NOT APPLY

To be considered responsive, the following documents shall be included with your submittal:

 Fee Proposal Form (Exhibit D)

 Notice of Deviations Form (Exhibit E)

 Listing of Subcontractors, Consultants and Agents Form (Exhibit F)

 Vendor Certification Form (Exhibit G)

 Vendor Information Reporting Form (Exhibit H)

 W-9 Form

The successful Vendor will be required to submit the following additional documents:

• Certificate of Insurance with signed endorsements

• Signed Agreement

• Vendor Information Form

Page 1 of 1

Notice to Bidders

EXHIBIT A

RFP #26-48 ENGINEERING SERVICES – TURF COUNTRYSIDE, AND RANCH FLOOD

IMPROVEMENT PROJECT

INTRODUCTION

The City of Wheaton is seeking proposals from a qualified professional engineering firm to prepare project

drawings and specifications for construction for the Turf, Countryside, and Ranch Flood Improvement

Project. The scope includes the reconstruction and lowering of two roadway profiles, adjustment of

utilities, modeling to show no negative downstream impact, and regrading of 13 private properties to

prevent localized overland flooding. The City desires completion of project plans and specifications by July

2026 with the intent of releasing and awarding the project in August 2026. This is due to expected federal

grant funding financing a portion of work.

BACKGROUND

The City of Wheaton identified and evaluated several areas susceptible to overland flooding starting in

2013 through 2019. City Council has expressed a goal to eliminate overland flooding into homes within

these areas identified as high-risk. The 2026 Capital Improvement Plan identifies Turf, Countryside and

Ranch as one of the selected locations to address flooding. The study is available for review on the City’s

website at www.wheaton.il.us/342/Turf-Countryside-Ranch. The City has elected to proceed with the

alternative to lower the roadway profiles of Turf Lane and Countryside Drive as well as the swale

improvements for localized private property flooding. The City anticipates receiving federal grant funding

in 2026, with a compressed schedule requiring construction to be completed by April 2027.

LOCATION

The location of the project area is generally south of Geneva Road and east of Main Street. It includes

Turf Lane, Countryside Drive, and Ranch Road with the east limit being Driving Park Road and the west

limit of Washington Street

Page 1 of 6

Scope of Services

EXHIBIT A

RFP #26-48 ENGINEERING SERVICES – TURF COUNTRYSIDE, AND RANCH FLOOD

IMPROVEMENT PROJECT

Location and existing flooding:

Properties requiring localized protection (private property grading) include:

Page 2 of 6

Scope of Services

EXHIBIT A

RFP #26-48 ENGINEERING SERVICES – TURF COUNTRYSIDE, AND RANCH FLOOD

IMPROVEMENT PROJECT

SCOPE OF SERVICES

The Consultant shall provide professional engineering services necessary to prepare final construction

drawings, specifications, and supporting documentation for the proposed flood mitigation improvements

along Turf Lane, Countryside Drive, and Ranch Road.

1. Topographic and Right-of-Way Survey

The Consultant shall perform a detailed topographic survey within the project limits.

a. Field Survey and Data Collection

Using horizontal control and GPS survey equipment, conduct a field survey to obtain planimetric and

topographic information within the entire public right-of-way (ROW).

Datums to be used shall be NAVD 88 and NAD 83

The survey shall include:

i. Vertical features (trees, fire hydrants, utility poles, light poles, signs, etc.)

ii. Planimetric features include, but not limited to: pavement edges, sidewalks, driveways, ditch lines,

swales, fence lines, traffic signals, structures, and utilities.

iii. Spot elevations at regular intervals sufficient to accurately define existing surface grades.

iv. Survey shots beyond ROW limits as necessary to confirm drainage patterns and flow direction and for

private property regrading.

b. Monumentation

Locate and document right-of-way property survey monuments along Turf Lane and Countryside Drive.

c. Control Points

Set several control points to be used during construction

d. Existing Property Data

The City will provide previously collected top-of-foundation elevations and low-entry-point survey data

for impacted properties for incorporation into the design and modeling.

2. Project Meetings

• Attend one (1) project kick-off meeting with City staff.

• Attend one (1) each for 75 and 90 percent design progress review meetings with City staff.

• Attend Private Property meetings with City Staff for exhibit/easement acquisition when

necessary.

3. Roadway and Storm Sewer Design

The Consultant shall design roadway and stormwater improvements for the following roadways:

Turf Lane between Driving Park Road and Washington Street

Countryside Drive between Driving Park Road and Washington Street.

The roadway profile shall be designed such that:

• The majority of the 100-year storm event runoff is contained within the public ROW.

• The roadway functions as the primary overland flow path.

• No overland flooding from the 100-year critical storm enters any residential structure.

Design Criteria

• 24-foot-wide pavement section

• B6:12 curb and gutter

• Minimum 10-inch diameter PVC storm sewer

• Catch basins with a minimum 3-foot diameter structure

Page 3 of 6

Scope of Services

EXHIBIT A

RFP #26-48 ENGINEERING SERVICES – TURF COUNTRYSIDE, AND RANCH FLOOD

IMPROVEMENT PROJECT

• No overland home flooding during the 100-year critical storm event

4. Stormwater Compliance and Modeling

• Verify that all proposed improvements comply with the DuPage County Stormwater Ordinance.

• Demonstrate no adverse or negative impacts to private property.

• Update existing XPSWMM model to Bulletin 75 or propose generating a new H&H model with

different modeling software.

• Provide H&H modeling to confirm system performance through the 100-year critical storm

(Bulletin 75 rainfall event).

• Submit modeling files and documentation supporting compliance.

5. Localized Grading Improvements

Design grading improvements, including swales and related earthwork, mitigate localized overland

flooding for thirteen (13) identified properties (shown in orange on the project location map). Each plan

shall be its own separate project sheet.

6. Utility Conflict Review

• Identify potential conflicts with existing City utilities.

• If existing sewer or water mains do not meet minimum cover requirements, design replacement

infrastructure.

• Replacement of City Water Main shall be included as additional scope of Service A.

7. Construction Documents

Prepare final engineering drawings and technical specifications suitable for public bidding.

Specifications shall incorporate applicable City standards and details relevant to the work.

8. Engineer’s Estimate

Prepare an itemized Engineer’s Opinion of Probable Construction Cost (EOPCC).

9. Stormwater Report

Prepare a comprehensive stormwater report including:

• Narrative describing the project approach and demonstration of no adverse impact

• Documentation of compliance with applicable stormwater regulations

• Comparative table including previously collected home data, previous high-water levels (HWL),

and proposed high water levels

• Detailed exhibits for each of the 13 protected properties illustrating grading improvements and

localized flood protection measures

10. Bid Assistance

Provide bid assistance and responses to RFI’s

11. Geotechnical services

The City will direct its contracted geotechnical engineer to perform soil borings at the direction of the

consultant selected and these borings will be made available for the design

Page 4 of 6

Scope of Services

Commodity Codes

• NAICS 541330Engineering Services
• NAICS 541611Administrative Management and General Management Consulting Services

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