Addendum No 2.pdf

IFB NO. 500640-FY27-02

SOLIDS PROCESSING IMPROVEMENTS (PHASE 1)

ADDENDUM NO. 2

August 7, 2026

ITEM NO. 1: PRE-BID MEETING AGENDA AND ATTENDEES LIST

Town staff provided a presentation at the Pre-Bid Meeting and compiled an attendees list. Refer to the attached presentation and attendees list.

ITEM NO. 2: ADDITIONAL SITE VISIT

An additional site visit has been scheduled for August 19, 2026 at 1:30 p.m. (local time). Bidders are welcome to attend. The additional site visit meeting location is the same as the pre-bid meeting location delineated in the IFB. An additional pre-bid meeting will not be conducted.

ITEM NO. 3: QUESTION(S) AND RESPONSE(S)

Interested bidders shall be mindful of the following response(s) to the question(s) asked:

1. Please confirm that no Wage Rates or Davis bacon act is required for this project.

RESPONSE: Confirmed, prevailing wages are not applicable for this project. This project is not federally or state funded.

2. Please confirm that no American Iron and Steel (AIS) requirement applies to this project.

RESPONSE: Confirmed, there are no American Iron and Steel (AIS) requirements, Buy America requirements, etc. for this project. This project is not federally funded.

3. Please confirm no Minority, Small, or Disadvantaged Business Enterprise participation requirements (e.g., MBE, WBE, SBE, DBE) for this project.

RESPONSE: Confirmed, there are no DBE/SBE/MBE/WBE goals for this project. This project is not federally or state funded.

4. On the eVA website, the submission page titled "Item" shows a delivery date. Could you please clarify what is meant by delivery date? Is it the submission date, or does it refer to something else?

RESPONSE: The eVA Delivery Date field referenced is an eVA default system generated field typically utilized for the delivery of goods. Such field is not applicable to the project and can be ignored. It is not a required field for data-entry (bid submission). As indicated in the IFB, eVA is managed by the Commonwealth of Virginia. Should you need assistance, please reach out to eVA Customer Care at 866-289-7367 or eVACustomerCare@DGS.Virginia.gov.

Bidders must take due notice and be governed accordingly. This addendum must be acknowledged as indicated in the Invitation for Bid or your bid may not be considered.

For the Town of Leesburg, David A. Christianson, CPPB, VCA Deputy Procurement Officer Town of Leesburg, Virginia Email: BidQuestions@leesburgva.gov Bid Board: http://www.leesburgva.gov/bidboard

END OF ADDENDUM NO. 2

Solids Processing Improvements – Phase 1

Pre-Bid Meeting

Town of Leesburg Water Pollution Control Facility

August 6, 2026

Agenda

• Introductions

• Bidding Information

• Scope of Work

• Project details

• Contract Duration

• Funding

• Permitting

• Document Administration via Procore

• Project Scheduling (P-6)

• Q&A and discussion

• Site walk

Introductions

Introductions and Objective

• People here today

• Town of Leesburg

• Hazen and Sawyer

• Kimley-Horn

• Contractors

Town of Leesburg WPCF

• Location: 1391 Russell Branch Pkwy SE, Leesburg, VA 20175

• Owner: Town of Leesburg

• Capacity of 7.5 mgd, currently processing 4-5 mgd AA

• Primarily residential and commercial users in service area, with some industrial

• Initial construction in 1960s, significant upgrades in ’80s, ’90s, 2008

Town of Leesburg - Procurement

Kelly Hall, Buyer II

Bidding Information

• Documents posted

• ToL Website, eVA

• Drawings, Project Manual

• Schedule

• One addendum issued so far

• “Unrestricted” PDF provided

• All information regarding this project can be found on the Town’s Bid Board:

http://www.leesburgva.gov/bidboard. To receive updates, such as addenda, please register to receive updates on the Town’s Bid Board

• Up until questions deadline, all questions must be submitted in writing to:

BidQuestions@leesburgva.gov

• Question deadline is 2:00 p.m. (local time) on Friday, August 28, 2026

• Bids are due on Tuesday, September 15, 2026 at 2:00 p.m. (local time) - unless modified via addendum

• Second Site Visit: Thursday, August 13, 2026 at 9:00 am (local time). Bidders will have no other opportunities to visit the site.

http://www.leesburgva.gov/bidboard mailto:BidQuestions@leesburgva.gov

• Bid Submission:

• Bids shall be submitted electronically via the Commonwealth’s eProcurement website, eVA:

www.eva.virginia.gov

• Pricing to be data-entered into eVA

• Single .PDF of required Bid Response Forms to be uploaded to eVA

• No late bids will be accepted (including partially uploaded bids)

• Bid Opening: At the bid due date/time, a public bid opening will be held via Microsoft Teams.

• Bid Bond (5%):

• An original copy of the bid bond is not required to be submitted to the Town; however, the

Town reserves the right to require any bidder to submit a wet signature, raised seal bid bond at the Town’s request.

• When the bid security is in the form of a cashier’s check, the original cashier’s check shall be delivered to the Town within two (2) business days after the bids are due to the Town.

http://www.eva.virginia.gov/

• General overview of IFB (Table of Contents):

• Required Bid Response Forms (Pages 8-18)

• Instructions to Bidders and Scope of Work (Pages 19-29)

• Sample Agreement, including Payment/Performance Bonds

• General Conditions

• Attachment A – Supplementary Conditions

• Attachment B – Project Manual for Solids Processing Improvements

• Attachment C – Drawings for Solids Processing Improvements (Volumes 1 through 7)

• Attachment D – Technical Specifications (Digester Sludge Storage Tank B)

• Attachment E – Drawings (Digester Sludge Storage Tank B)

• Insurance

• General Liability: $3M

• Auto: $3M

• Builder’s Risk: Bid/Contract Amount

• Workers’ Compensation per State Law

• Insurance providers to be “licensed” in the state (not simply “authorized”)

• Town of Leesburg Demographic Survey (optional)

• In an effort to help the Town evaluate access to public meetings, a demographic survey is available at: https://portal.laserfiche.com/h4073/forms/DemoSurvey. The demographic survey is strictly voluntary and anonymous.

https://portal.laserfiche.com/h4073/forms/DemoSurvey

Scope of Work

Solids Processing Improvements –

Phase 1

Leesburg, VA WPCF

• 7.5 MGD facility

• Currently processing ~5 MGD

• Liquids:

• Primary clarification

• BNR

• Secondary clarification

• Tertiary filtration

• Chemical disinfection

• Solids:

• Primary sludge thickening and digestion

• Secondary sludge thickening

• Blended sludge dewatering

• Thermal drying

Solids Process Improvements – Phase 1

• General purpose: upgrade aging primary solids processing facilities to meet reliability, redundancy, and capacity goals

• Primary process areas:

• Primary Sludge Pumping Stations 1 & 2

• Gravity Thickening

• Anaerobic Digestion

• Digested Sludge Storage

• Other improvements

• Electrical switchgear and feeder replacement

• Stormwater BMP

• General Site Improvements

• Phase 2 = solids storage improvements, 5+years from now

Primary Sludge Pumping

Stations

Primary Sludge Pumping

Stations 1 & 2

• Pump and piping replacement

• Grinder installation

• Ceiling access door and davit

• Building systems

• HVAC to declassify

• Electrical

• Plumbing

• Sequence of Construction/MOPO

Gravity Thickening

Gravity Thickening

• Replacing and expanding existing units

• Three identical units

• Rake arm mechanism

• Covered concrete tanks

• New Thickened Sludge Pumping Station

• Primary sludge screening and dumpsters

• Primary Sludge Splitter Box

• Four TSPs

• GT Scum collection and pumping

• Solids Electrical Building

• All new loads

• Relocating existing loads from Substation 45B

Anaerobic Digestion

Anaerobic Digestion

• Tank rehabilitation

• Cover and mixer replacement

• Boiler improvements

• HEX replacements

• Thickening Centrifuge replacement

• Polymer storage and pumping

• Sample system upgrade

• Biogas Conveyance and Waste Gas Flare

• Building systems

• HVAC to declassify

• Electrical

• Plumbing

• I&C

• Structural and Architectural

Digested Sludge Storage

Tanks and DSST Mixing

Building

Digested Sludge Storage Tank (DSST) and Mixing

• DSST-B replacement – prestressed concrete

• DSST A and B upfit with mixing apparatus

• DSST Mixing Building construction

DSST Mixing

Electrical Substation

Replacement

Electrical Substation and Feeder

Cable Replacement

• Relocate all loads from Substation

45B to new SEB, and demolish

• Run new conduit and cable from existing loads to new SEB

• Ensure minimal shutdown time for switch-overs

Stormwater BMP

Stormwater BMP

• Will be installed initially as sediment trap

• Flip to BMP at end of job

• Hydrodynamic separators

• Forebay

• Geosynthetic clay liner system

• General site improvements

• Paving access roads

• Removal of old trickling filter foundations

• Buried utilities capping/abandonment/relocation

• Demolition of obsolete equipment and structures

Key MOPO and SOC

• Must ensure Town personnel maintain ability to:

• Enter spaces and access in-service equipment

• Enter spaces and access equipment for maintenance

• Access all facilities

• Arrange truck movement around site for suppliers and haulers

• Complete certain work prior to demolition of others

• Centrifuge → DSST Mixing System, Polymer System; Polymer System → Boiler Upgrades

• New GTs → new PSPs

• Anaerobic Digester Rehabilitation – two at a time

• New TSPS → new SEB

• DSST B and DSST Mixing System Building prior to DSST-A upgrade

• Tie-ins and shutdowns must be coordinated with Town

• To maintain reasonable schedule, work must commence in parallel

Sequence of Construction

Visualization of phases

• PSPS, GT Complex, Digester, and DSST work all commencing in Spring

• Executing in parallel moving forward

• SEB occurs after TSPS work complete

PSPSs

GT

Complex

Anaerobic

Digestion

DSST and

Mixing

GT

Demolition

Milestone Summary

Milestone

(MS)

Description Contract Time

(calendar days)

Liquidated

Damages per diem

1 Substantial Completion (SC) of DSST B, less mixing

450 days of NTP $2,000

2 SC of DSST A refurbishment, less mixing 90 days from SC of MS 1 $2,000 3 SC of PSPS 2 Work 450 days of NTP $2,000 4 SC of PSPS 1 Work 180 days from SC of MS 3 $2,000 5 SC of Digesters A and C 630 days of NTP $2,500 6 SC of Digesters B and D 180 days from SC of MS 5 $2,500

NA SC of the Balance of the Project 1080 days of NTP $3,500

Project Details

Solids Process Improvements – Phase 1: Project Details

Milestone

(MS)

Description Contract Time

(calendar days)

Liquidated

Damages per diem

1 SC of DSST B, less mixing 450 days of NTP $2,000 2 SC of DSST A refurbishment, less mixing 90 days from SC of MS 1 $2,000 3 SC of PSPS 2 Work 450 days of NTP $2,000 4 SC of PSPS 1 Work 180 days from SC of MS 3 $2,000 5 SC of Digesters A and C 630 days of NTP $2,500 6 SC of Digesters B and D 180 days from SC of MS 5 $2,500

Contract Duration:

• Substantial Completion of the Project: 1080 Calendar Days from NTP

• Final Completion of the Project: 30 Calendar Days from Substantial Completion

Funding

• Town-funded

• No Federal Funds (i.e. no BABAA requirements)

Permitting

• Town of Leesburg

• Site Plan (complete)

• Zoning (complete)

• VSMP (in progress)

• County (Loudoun)

• Grading (in progress)

• Building (in progress)

• Trading and electrical (follows building)

• State (VA DEQ)

• Certificate to Construct (in progress)

• Will flip to Certificate to Operate by end of job, will have interim CTO’s

• Coordination with Town

Contract Administration

• Will use Procore (Town-administered) for document management

• Submittals, RFIs, change orders, daily updates, photographs, etc.

• Will have Hazen and KH engaged, along with CM/Inspector

• Monthly progress meetings

Project Scheduling

• Via Primavera P6

• Project schedule: initial submittal and regular (monthly) updates

Q&A

Site Walk