Project Information

Bid Title

Conklin Park Stream Restoration & Constructed Wetland, RFQ 692011

Issuing Agency

Loudoun County

Location

Virginia

Published Date

Mar 6, 2026

Closing Date

Mar 31, 2026

Government Level

State & Local

Status

Closed

Ref. #

RFQ 692011

Original Source

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Bid Documents

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Project Description

Bid Number:	RFQ 692011
Bid Title:	Conklin Park Stream Restoration & Constructed Wetland, RFQ 692011
Category:	Procurement
Status:	Open
Additional Status Information:	Addendum #2 Acceptance date changed to March 31, 2026 issued on March 6, 2026.

Description: The intent of this Invitation for Bid (IFB) is for the County of Loudoun, Virginia (County) to obtain the services of a qualified General Contractor (GC) to perform the Work to restore approximately 2,200 linear feet of an unnamed tributary to Elk Lick Run and approximately 200 linear feet along three (3) outfall channels that discharge into the unnamed tributary through the use of Rosgen Natural Channel Design (NCD) techniques, and the creation of a Level 2 constructed wetland in accordance with Virginia (VA) Department of Environmental Quality (DEQ) Stormwater Specification Number (No.) 13. The stream restoration includes three (3) reaches, the limits of which begin at a 5’ x 14’ triple barrel Conspan arch and single box culvert underneath Donegal Drive, and end at a 5’ x 15’ quadruple-box culvert at Loudoun County Parkway. There is one (1) pedestrian bridge crossing, three (3) mountain bike crossings, and two (2) plunge pools. The constructed wetland includes the one (1) access road, one (1) sediment forebay, three (3) deep pools, and one (1) outfall structure. The Project will also include the installation of riparian and wetland plantings. The Project is located within Conklin Community Park in South Riding. The Project limits are located on two (2) separate parcels, one (1) owned by South Riding Proprietary and one (1) owned by the Loudoun County Board of Supervisors. Pre-Bid Conference: An optional Pre-Bid Conference will be held virtually on February 13, 2026 at 10:00 am to provide clarification on the project requirements and expectations outlined in this solicitation. Addenda: Addendum #1 Changes and/or Additions issued on March 2, 2026. Addendum #2 Acceptance date changed to March 31, 2026 issued on March 6, 2026. Publication Date/Time: 2/5/2026 9:20 AM Publication Information: Invitation for Bid Closing Date/Time: 3/31/2026 4:00 PM Addendum Date/Time: Addendum #2 issued on March 6, 2026. Pre-bid Meeting: February 13, 2026 at 10:0 a.m. Contact Person: Kristy Varda, NIGP-CPP, CPPO, CPPB, Assoc. DBIA, CJP Assoc. Please see the attached document RFQ 692011 for additional contact information. Download Available: See Related Documents Business Hours: 8:30 AM to 5:00 PM Miscellaneous: Addendum #2 Acceptance date changed to March 31, 2026 issued on March 6, 2026. Related Documents: RFQ 692011 (PDF) Attachment 4 - LOUD-26-0006 (PDF) Attachment 6 - General Conditions (PDF) Attachment 7 - Schedule of Bid Items (PDF) View Solicitation Abstract (PDF) Addendum 1 (PDF) REVISED 02-27-2026 Attachment 7 - Schedule of Bid Items (XLS) Addendum 2 (PDF)

Attachment Preview

Loudoun County, Virginia

INVITATION FOR BID

CONKLIN PARK STREAM RESTORATION AND CONSTRUCTED

WETLAND

ACCEPTANCE DATE: Prior to 4:00 p.m., March 10, 2026 (Local “Atomic” Time)

IFB NUMBER:

RFQ 692011

ACCEPTANCE PLACE:

Loudoun County Government Offices

1 Harrison Street, S.E.

1st Floor, Procurement Bids and Proposals Drop Box

Leesburg, Virginia 20175

Please contact the Contracting Officer designated on the front cover of the solicitation with

any questions regarding this process. Bidders are strongly encouraged to check the

County’s website routinely for updates.

ONLY THOSE FIRMS PREQUALIFIED THROUGH RFQ 683913 - PREQUALIFICATION FOR

ECOLOGICAL RESTORATION SERVICES (STREAM, OUTFALL AND WETLAND) ARE

ELIGIBLE TO SUBMIT BIDS FOR THIS PROJECT. BIDS FROM NON-PREQUALIFIED FIRMS

WILL NOT BE CONSIDERED.

The List of Pre-qualified firms are:

• Avon Corporation

• Environmental Quality Resources, L.L.C.

• HGS, LLC

• KBS Earthworks, Inc.

• Stormwater Maintenance, LLC

• Triangle Contracting, LLC

IMPORTANT NOTES:

A. Please note, the Project Specifications contain Geotechnical information and a

Geotechnical Report Release Form signed by an individual authorized to bind

the firm into a contract must be signed and submitted prior to obtaining the

plans and specifications. Bidders may request that the plans and specifications be

available to them using Microsoft One Drive by sending an email to the point of

contact information below. Bidders will first receive an email from the Contracting

Officer with a link to the shared folder. Then, upon opening the folder, Bidders will be

prompted to confirm their email address and enter a verification code. The verification

code will be from no-reply@sharepointonline.com. Please note that this email often

goes into spam/ junk folder.

B. An optional Pre-Bid Conference will be held virtually on February 13, 2026 at 10:00

am to provide clarification on the project requirements and expectations outlined in

this solicitation. See the Microsoft Teams log in information provided below.

Microsoft Teams meeting Join:

https://teams.microsoft.com/meet/25024993156683?p=AtCRXv

woZOYplO4Hp1

Meeting ID: 250 249 931 566 83

Passcode: 6oA73UJ3

Need help? | System reference

Dial in by phone

+1 757-600-4923,,459128068# United States, Norfolk

Find a local number

Phone conference ID: 459 128 068#

C. Site Inspection. Instructions to participate in a site inspection (if provided) can be

found in Section 22, Instruction to Bidders, Paragraph 22.5. Please read this section

carefully as there may be specific dates established to register for the site inspection.

D. Bid forms may be downloaded from the County’s web site:

www.loudoun.gov/procurement.

The terms and conditions contained in this Invitation for Bid and in the County-

Contractor Agreement (Attachment 1) are not negotiable.

Requests for information related to this Invitation for Bid should be directed to:

Kristy Varda, NIGP-CPP, CPPO, CPPB, Assoc. DBIA, CJP Assoc.

Contracting Officer

(571) 627-7441

Kristy.Varda@loudoun.gov

Issue Date: February 5, 2026

IF YOU NEED ANY REASONABLE ACCOMMODATION FOR ANY TYPE OF DISABILITY

IN ORDER TO PARTICIPATE IN THIS PROCUREMENT, PLEASE CONTACT THIS

DIVISION AS SOON AS POSSIBLE.

IFB RFQ 692011

Conklin Park Stream Restoration and Constructed Wetland

Page 2 of 39

INVITATION FOR BID

CONKLIN PARK STREAM RESTORATION AND CONSTRUCTED WETLAND

SECTION/TITLE

PAGE

1.0 PURPOSE .............................................................................................................................................4

2.0 COMPETITION INTENDED ..................................................................................................................4

3.0 PREVAILING WAGE RATES ...............................................................................................................4

4.0 BIDDER MINIMUM QUALIFICATIONS ................................................................................................6

5.0 SPECIFICATIONS.................................................................................................................................7

6.0 GENERAL CONDITIONS OF THE CONSTRUCTION CONTRACT....................................................7

7.0 DISCREPANCIES .................................................................................................................................7

8.0 BUSINESS, PROFESSIONAL, AND OCCUPATIONAL LICENSE REQUIREMENT .........................7

9.0 PAYMENT OF TAXES ..........................................................................................................................8

10.0 NOTICE OF REQUIRED DISABILITY LEGISLATION COMPLIANCE ...............................................8

11.0 ETHICS IN PUBLIC CONTRACTING...................................................................................................8

12.0 EMPLOYMENT DISCRIMINATION BY CONTRACTORS PROHIBITED............................................8

13.0 PROHIBITION OF FORCED OR INDENTURED CHILD LABOR........................................................9

14.0 DRUG-FREE WORKPLACE.................................................................................................................9

15.0 FAITH-BASED ORGANIZATIONS .....................................................................................................10

16.0 EXEMPTION FROM TAXES ...............................................................................................................10

17.0 CONSTRUCTION CONTRACT PERFORMANCE AND PAYMENT BONDS ...................................10

18.0 CONSTRUCTION CONTRACT BOND FORMS AND COPIES; ALTERNATIVE FORMS ...............11

19.0 CONSTRUCTION CONTRACT RETAINAGES..................................................................................11

20.0 ESCROW ACCOUNT FOR RETAINED FUNDS ................................................................................11

21.0 AUTHORITY TO TRANSACT BUSINESS IN VIRGINIA....................................................................12

22.0 INSTRUCTIONS TO BIDDERS ..........................................................................................................13

23.0 PRICING PAGE...................................................................................................................................23

Attachments below are incorprorated or incorporated by reference into this Invitation for Bid and

Contract Documents:

ATTACHMENT 1:

ATTACHMENT 2:

ATTACHMENT 3:

ATTACHMENT 4:

ATTACHMENT 5:

ATTACHMENT 6:

ATTACHMENT 7:

COUNTY-CONTRACTOR AGREEMENT (contained herein)

GEOTECHNICAL REPORT RELEASE FORM (contained herein)

ESCROW AGREEMENT (contained herein)

PREVAILING WAGE DETERMINATION – LOUD–26-0006

PLANS AND TECHNICAL SPECIFICATIONS

GENERAL CONDITIONS OF THE CONSTRUCTION CONTRACT (“General

Conditions”)

SCHEDULE OF BID ITEMS

Authorized By: /s/Kristy Varda, NIGP-CPP, CPPO/B, Assoc. DBIA, CJP Assoc.

Contracting Officer

Date: February 5, 2026

IFB RFQ 692011

Conklin Park Stream Restoration and Constructed Wetland

Page 3 of 39

CONKLIN PARK STREAM RESTORATION AND CONSTRUCTED

WETLAND

1.0 PURPOSE

The intent of this Invitation for Bid (IFB) is for the County of Loudoun, Virginia (County)

to obtain the services of a qualified General Contractor (GC) to perform the Work to

restore approximately 2,200 linear feet of an unnamed tributary to Elk Lick Run and

approximately 200 linear feet along three (3) outfall channels that discharge into the

unnamed tributary through the use of Rosgen Natural Channel Design (NCD)

techniques, and the creation of a Level 2 constructed wetland in accordance with

Virginia (VA) Department of Environmental Quality (DEQ) Stormwater Specification

Number (No.) 13. The stream restoration includes three (3) reaches, the limits of which

begin at a 5’ x 14’ triple barrel Conspan arch and single box culvert underneath Donegal

Drive, and end at a 5’ x 15’ quadruple-box culvert at Loudoun County Parkway. There

is one (1) pedestrian bridge crossing, three (3) mountain bike crossings, and two (2)

plunge pools. The constructed wetland includes the one (1) access road, one (1)

sediment forebay, three (3) deep pools, and one (1) outfall structure. The Project will

also include the installation of riparian and wetland plantings.

The Project is located within Conklin Community Park in South Riding. The Project limits

are located on two (2) separate parcels, one (1) owned by South Riding Proprietary and

one (1) owned by the Loudoun County Board of Supervisors.

2.0 COMPETITION INTENDED

It is the County's intent that this IFB permits competition. It shall be the Bidder's (i.e.

any entity submitting a bid in response to this IFB) responsibility to advise the

Purchasing Agent in writing if any language, requirement, specification, etc., or any

combination thereof, inadvertently restricts or limits the requirements stated in this

IFB to a single source. Such notification must be received by the Purchasing Agent

not later than fifteen (15) days prior to the date set for bids to close.

3.0 PREVAILING WAGE RATES

Remuneration to any individual performing Work on the County Construction Contract

resulting from this IFB shall be at a rate equal to or greater than to the prevailing wage

rate identified in Attachment 4 to this IFB.

3.1 The General Contractor awarded a County Construction Contract as a result

of this IFB, and any sub-contractors hired by the General Contractor to perform

Work on the County Construction Contract resulting from this IFB, shall pay

wages, salaries, benefits, and other remuneration to any mechanic, laborer, or

worker employed, retained, or otherwise hired to perform Work in connection

with the resulting County Construction Contract at or greater than the

prevailing wage rate identified in this IFB.

3.2 Any General Contractor or any subcontractor who employs any mechanic,

laborer, or worker to perform Work under the County Construction Contract

resulting from this IFB, at a rate that is less than the prevailing wage rate

IFB RFQ 692011

Conklin Park Stream Restoration and Constructed Wetland

Page 4 of 39

identified in this IFB (i) shall be liable to such individuals for the payment of all

wages due, plus interest at an annual rate of eight-percent (8%) accruing from

the date the wages were due; and (ii) shall be disqualified from bidding on

public contracts with any public body until the contractor or subcontractor has

made full restitution of the amount described in clause (i) owed to such

individuals. A contractor or subcontractor who willfully violates this Section is

guilty of a Class I misdemeanor.

3.3 After award of the County Construction Contract, the General Contractor to

whom such contract is awarded shall certify under oath to the Commissioner

of Labor and Industry the pay scale for each craft or trade employed on the

Project to be used by such contractor and any of the contractor’s

subcontractors for work to be performed under such public contract. This

certification shall, for each craft or trade employed on the Project, specify the

total hourly amount to be paid to employees, including wages and applicable

fringe benefits, provide an itemization of the amount paid in wages and each

applicable benefit, and list the names and addresses of any third-party fund,

plan or program to which benefit payments will be made on behalf of

employees. The certification shall be sent to the Commissioner of Labor and

Industry each pay period for the duration of the Project.

3.4 The General Contractor awarded a County Construction Contract as a result

of this IFB, shall keep, maintain, and preserve (i) records relating to the wages

paid to and hours worked by each individual performing the work of any

mechanic, laborer, or worker and (ii) a schedule of the occupation or work

classification at which each individual performing the work of any mechanic,

laborer, or worker on the public works Project is employed during each

workday and week. The employer shall preserve these records for a minimum

of six (6) years and make such records available to the Department of Labor

and Industry within ten (10) days of a request and shall certify that records

reflect the actual hours worked and the amount paid to its workers for whatever

time period they request.

3.5 No later than ten (10) days after the date of the Notice to Proceed, the General

Contractor awarded a County Construction Contract as a result of this IFB and

subcontractors performing on a County Construction Contract shall post the

prevailing wage rate for each craft and classification involved, as determined

by the Commissioner of Labor and Industry, including the effective date of any

changes thereof, in prominent and easily accessible places at the site of the

Work or at any such places as are used by the contractor or subcontractors to

pay workers their wages. Within ten (10) days of such posting, a contractor or

subcontractor shall certify to the Commissioner of Labor and Industry its

compliance with this subsection.

3.6 The General Contractor awarded a County Construction Contract as a result

of this IFB shall include the requirement in all subcontracts issued and require

the same requirement to be inserted by all lower tier subcontractors in their

subcontracts to pay wages, salaries, benefits, and other remuneration to any

mechanic, laborer, or worker employed, retained, or otherwise hired to perform

IFB RFQ 692011

Conklin Park Stream Restoration and Constructed Wetland

Page 5 of 39

Commodity Codes

• NAICS 237990Other Heavy and Civil Engineering Construction
• NAICS 238910Site Preparation Contractors
• NAICS 541330Engineering Services
• NAICS 541620Environmental Consulting Services

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