Alexandria (VA) to Host Outreach Session for RiverRenew Program

By TBM News August 22, 2018

Alexandria Renew Enterprises is looking for qualified engineers and contractors to help implement RiverRenew. RiverRenew is a major program involving the construction of a system of tunnels and upgrades at Alexandria’s wastewater treatment plant to remediate the combined sewer system.

The Industry Outreach Session will be held Nov. 13, 2018, from 1 to 4 p.m. in Alexandia (location to be announced). Major projects for be construction include:

Project	Total Estimated Value	Anticipated Procurement Method	Estimated Procurement Date	Estimated Construction Schedule	Components
Tunnels and Pumping Stations	$350-550 M	2-step, fixed-price design-build	Summer 2019	2021-2025	• 2-mile, 12-ft dia. tunnel • 0.5-mile, 6-ft dia. diversion sewer • Shafts & diversion chambers • Pumping stations • Odor control & other equipment

108-116 MGD Plant Expansion	$1-2 million	Design-bid-build	Spring 2019	Summer 2019-summer 2020	• Modifications to primary effluent pumps & filter backwash
Former Admin. Building Decommissioning	$8-10 million	Design-bid-build	Summer 2019	Fall 2019-Fall 2020	• Lab & equipment relocation • Building demolition & site prep

Wet Weather Treatment Facility	$3-5 million	Design-bid-build	2022	2023	• Modifications to existing primary tanks & chemical feed systems