Background informationProject Created: February 22, 2010
Western Branch Facility Upgrade
Year in Operation:
Water & Waste
Design / Construction
Substantial Alteration of Existing Facility
Substantial upgrade to existing wastewater treatment plant in metropolitan Washington, DC. Original plant is the only WSSC WWTP that does not utilize biological nitrogen removal. This upgrade adds a sludge thickener for waste activation, biosolids-stabilization and storage facilities, a new scum removal system, raw seage pump station upgrades, additional grit chambers, air blower replacements, HVAC and electrical upgrades.
Delivery Method as described in the country where it's located:
Design Bid Build
Is the project still active:
Design was 70% complete as of 6.1.2009
6600 Crain Highway
United States of America
Souces of Project Support (Non-monetary)
Access to Land: On site of existing WWTP.
Souces of Project Support (Monetary)
From Public (Government) Sources to Producers: $42 million from WSSC Bonds
Project Delivery & Finance Method
All Public Finance. Public Sponsor contracts for initial design, and separately contracts for initial construction. Public Owner operates and maintains the resulting facility.
Construction Manager At Risk Variants: Public Sponsor contracts with Construction Contractor after Design is Complete.