This project proposes a permanent storage and feed system for magnesium hydroxide slurry for treatment Train 2 at the Metro WWTP. Currently, Train 2 has a temporary magnesium hydroxide chemical…

This project is to rehabilitate existing manholes that have been classified through Manhole Assessment and Certification Program (MACP) inspection as in need of repair or have immediate rehab needs. The…

This project proposes the replacement of sanitary sewer piping to upsize the existing piping from Manhole 19449MH to Manhole 25145MH for a distance of approximately 5,500 linear feet with new…

Professional services for both Upper and Lower upgrades. This project consists of two sub projects, Crane Creek Upper North Branch Extension (CC Upper) and Lower North Branch Capacity Upgrade Phase…

The Project Crane Creek Upper North Branch Extension (CC Upper) was originally designed in 2008 as a mixture of 20-inch ductile iron pipe and 21-inch PVC pipe.  The 7,100 linear…

The Lower North Branch Capacity Upgrade Phase 1 (CC Lower) consists of upsizing approximately 9,500 linear feet of existing 15-inch gravity sewer to 36-inch gravity sewer. The project limits will…

SCDOT proposes to widen Leesburg Road from 719’ west S-88  (Fairmont Rd) to 705’ east of S-37 (Lower Richland Blvd) (Approx. 3.9 miles). The proposal includes improving 5 lanes (4…

Sewer relocation projects around the widening of Leesburg Road from near Fairmont Road to near Lower Richland Boulevard for approximately 3.9 miles.

The City of Columbia owns and operates 56 pump stations in its wastewater collection and transmission system, including six major stations. Under the Clean Water 2020 Program, the City is…

Relocation of approximately 3,400 feet of 8" and 12" sewer line and 100 feet of force main and appurtenances for SCDOT sidewalk and storm water improvement project.