Dekalb County Gravity Sewer System Rehab

Dekalb County, Georgia

The Project includes rehabilitation and replacement assignments at nineteen locations within DeKalb County. Work assignments include assessment using CCTV, cured-in-place pipe lining, pipe and/or manhole point repairs, pipe replacements utilizing either open-cut or pipe-bursting methods, and manhole rehabilitation and/or replacement.

The Project will be implemented in two phases:

Phase One: Design and GMP Development Services

Phase Two: Final Design and Construction Services (Component 1)
• Includes roughly 23,020 lf of assessment using CCTV
• 18 ea point repairs
• 5,282 lf of CIPP lining
• 25,004 lf of pipe replacement
• Pipe sizes ranging from 8”-24” diameter

This project is utilizing the design-build (D-B) delivery method.

Dekalb County

Brown and Caldwell


September 15, 2017

May 20, 2020

Ashby Jett Sewer System Improvement

Atlanta, Georgia

The project involved 1,275 feet of Gravity Flow and Sewer Outfall to be completed parallel to a Proctor Creek Tributary Stream running adjacent to and south of the Bellwood Quarry. The new pipe was 30" Hobas and installed by open-cut method.

The conditions of the right-of-way were considered outfall and low-lying areas with clearing required for the entire length. Access is limited, and road building had to be completed to allow the work to move forward. Major by-pass pumping was required.

City of Atlanta

CH2M / Rohadfox


May 23, 2018

November 19, 2019

Dekalb County Emergency On-Call

Dekalb County, Georgia

This contract comprises the emergency repair of sanitary and storm sewers in various portions of Dekalb County’s separate and combined sewer collection system, as designated by the Engineer throughout the course of the work. The objective is to remedy detrimental defects to sewers and sewer overflow conditions to renovate the structural integrity of the sewer, while maximizing sewer and manhole accommodation efficiency and effectiveness.

Works consists of completing necessary repairs to linear sewer and storm infrastructure utilizing a menu of repair methods such as:
• Open-cut/Replacement
• Cured-In-Place Lining (CIPP)
• Pipe-bursting
• Point Repairs (internal and external)
• Slip lining
• Jack-and-Bore
• Manhole rehabilitation
• By-pass pumping
• Grout Abandonment
• Tunneling

Dekalb County


August 22, 2016

December 31, 2018