Lower Dorchester County WWTP Expansion

Dorchester County, South Carolina

Major expansion of an existing 4 MGD wastewater treatment plant to 10 MGD consisting of new headworks, aeration basins, clarifiers, filters, UV disinfection, pumping stations, 2,800 LF of 48” outfall sewer, sitework, process piping, electrical and control systems. Finally, a $5 million change order to construct new pump station and two clarifiers.

Dorchester County Public Works

B.P. Barber Associates, Inc.


September 27, 2004

October 1, 2007

Georgia Power Peachtree Substation

Atlanta, Georgia

This project includes the re-routing of a 54" sewer trunk line at a Georgia Power Substation facility.

• 500 LF of 54" Concrete Pipe
• 100 LF of 84" Hand-Mined Tunnel
• Two cast-in-place concrete junction boxes
• Grout fill abandonment of existing pipe
• Sewer flow diversion
• Asphalt restoration

Georgia Power

Long Engineering


October 1, 2018

February 1, 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