Snapfinger Advanced Wastewater Treatment Facility Expansion - Phase 3E - Design and Engineering Services During Construction

The DeKalb County Department of Watershed Management (DWM) is requesting qualified firms to submit proposals to provide design and engineering services during the construction of Phase 3E facilities at the Snapfinger Advanced Wastewater Treatment Facility. The Project is Phase 3E of the ongoing expansion at the Snapfinger Advanced Wastewater Treatment Facility (SFAWTF) as part of the County’s $4.27 billion Capital Improvement Projects (CIP) Program.

The Project’s anticipated work includes:

• the evaluation of alternatives
• design, permitting, and engineering services during construction
• post-construction services

for the following Project elements: (1) adding a primary clarification unit process and (2) replacing dewatering centrifuges.

Engineer shall furnish all Professional Engineering services to implement the Project for Phase 3E facilities in five tasks with four parts with durations listed below using the design-bid-build delivery method.

• Task 0 – Project Management: Engineer shall provide Project coordination and management for the activities performed during Project. Duration: Entire Project.
• Task 1 - Part One – Design: Prepare, submit for review and comment, and present at meetings with County for each milestone deliverable: PDR(s) with evaluation of alternatives, BODR detailing selected alternatives, DDR for submission to regulatory agency, and design documents at 30, 60, 90 and 100 percent completion milestones, along with permit applications and supporting documentation to obtain all permits. Duration: 24 months.
• Task 2 - Part Two – Bid Phase: Engineering services during the Bid phase of the project, including production of Bid and Conformed Contract Documents. Duration: 15 months.
• Task 3 – Part Three - Construction: Engineering services during Construction. Duration: 36 months.
• Task 4 - Part Four – Post-Construction: Post-Construction engineering services. Duration: 24 months (12 months General Contractor’s warranty period plus 12 additional months).

Engineer shall furnish Professional Engineering design services for all engineering disciplines required to provide a complete design for the Project in a series of advancing progressive milestone deliverables. [...] Project construction shall be by a third-party General Contractor whose scope shall be defined by the Engineer through Contract Documents that are a product of the Engineer’s design. Construction Management shall be by a third-party Construction Manager.

Engineer shall design Phase 3E facilities (primary clarifier unit process and dewatering centrifuges) that are most advantageous to the County considering equipment performance, life cycle cost, and overall schedule duration. Alternatives to be evaluated are subject to approval by the County. The County has sole right to select alternatives and its preferred Project approach.

Engineer shall provide a design that is a complete, and consistent throughout, set of Contract Documents (including bid instructions with bid form, general conditions, special conditions, specifications in 16-Division CSI format, drawings) suitable for competitive bidding and building by General Contractor.

**Proposals are to be submitted via the County's eProcurement Portal** at https://procurement.opengov.com/portal/dekalbcountygaPRIOR TO 3:00 p.m. ET on **January 20, 2027**. Late Proposals will not be accepted.

**Mandatory** DeKalb LSBE Meeting: Bidders must attend 1 meeting on the dates listed in person or via video conference. The meetings are held on October 21, 2026; October 28, 2026; November 18, 2026; December 2, 2026 at 10:00 am and 2:00 pm.

**Mandatory** Pre-Proposal Meeting and **Mandatory** Site Visit are scheduled for November 16, 2026.

The Proposals will be reviewed and evaluated using the evaluation process described in Section 5, Criteria For Evaluation. An evaluation committee will review and rate all proposals and shall determine if interviews are necessary. If interviews are conducted, firms will be scheduled for an oral presentation to the evaluation committee, not to exceed one hour’s duration. The evaluation committee will make its recommendation for award to the DeKalb County Board of Commissioners, who will make the final decision as to award of contract.

This RFP is subject to revision after the date of issuance only via written addenda. Addenda will be posted on the County’s website (not distributed directly to potential Responders).

THE COUNTY RESERVES THE RIGHT TO REJECT ANY AND ALL PROPOSALS, TO WAIVE INFORMALITIES, AND TO RE-ADVERTISE.