Easterly CSO ProgramCollinwood & Nottingham Villages Development Corporation, July 2013

Northeast Ohio Regional Sewer District

Easterly CSO ProgramCollinwood & Nottingham Villages Development Corporation, July 2013

Northeast Ohio Regional Sewer District

Who we are…

• Formed 1972 by Court Order• Political subdivision of Ohio

– Governed by ORC 6119• One million customers

– 62 communities across four counties• 90+ billion gallons wastewater

treated each year

…and what we do.

• Wastewater treatment plants• Interceptor sewers • Combined sewer overflow control• Regional stormwater

management• Stream monitoring and

industrial surveillance

Easterly CSO Facilities Plan

25 years, $3 billion

Seven CSO Tunnel Systems– 21 total miles– 17 to 24 feet wide– 100 to 200 feet

underground

Euclid Creek Tunnel (ECT) Project Overview

• Length: 18,050’ (3.4 miles)

• Diameter: 24’ finished• Avg. Depth: 200-ft• 4 Flow Drop Structures• Near Surface:

– Over 5,000 LF of Near Surface

Sewers (36” to 90” dia.)

– 30+ Structures

Testing in China

TBM Assembly

Precast Tunnel Segments

Tunnel Dewatering Pump Station

TDPS Tunnel & Piping

TDPS When Complete

ECT Shaft 5 (ECT-5)

ECT-5 Site Plan & Profile

ECT-5 Shaft Excavation

ECT-5 Shaft Excavation

ECT-5 Shaft Final Lining ECT-5 Final Lining

ECT-5-4 Temporary Support of Excavation

ECT-5.4 Shaft Excavation

ECT-5.4 Final Lining

Construction Detour

ECT Community Meeting

Tuesday, September 10, 20136:00 p.m.

Cleveland Public Library, Memorial-Nottingham Branch17109 Lakeshore Boulevard

Contact Info:

Doug GabrielEasterly CSO Construction Program

ManagerField Office: (216) 268-5469

@neorsd, @WallyWaterdrop facebook.com/yoursewerdistrict

euclidcreek.blogspot.com

Easterly CSO ProgramCollinwood & Nottingham Villages Development Corporation, July 2013

Northeast Ohio Regional Sewer District

Easterly CSO ProgramCollinwood & Nottingham Villages Development Corporation, July 2013

Northeast Ohio Regional Sewer District