cuyahoga river remedial action plan (rap) symposium...

Cuyahoga River Remedial Action Plan (RAP) Symposium September 20, 2013 – Event Presentation

1

City of Akron Combined Sewer Overflow (CSO)

Program


Program

Akron: CSOsState of the River

Cuyahoga 2013

September 20, 2013

Agenda

Status of Proposed Consent Decree

CSO Projects

Current CSO Projects

Ohio Canal Interceptor (OCI) Tunnel

Questions?

CSO Program Management Team

2




• Updated Facilities Plan and CSO LTCP• Understanding with State

1999-2002

• Negotiations with US EPA• US EPA Complaint• Consent Decree (Design/Implement CD) Lodged

in Court

2002-2009

• Fairness Hearing• Consent Decree Rejected Court• Akron/US EPA Appeal• US EPA and Ohio EPA Approve Akron CSO LTCP

(Implement CD)• 2nd Court Hearing

2010-2012

CSO Program Management Team Page 4

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Consent DecreeOctober 2012

2nd Court Hearing before Judge Adams

May 2013

Judge appoints Expert Witness to review case

June 27, 2013

Expert Witness, USEPA, and City of Akron tour the Cuyahoga Valley National Park

June 28, 2013

City of Akron provides tour of Water Reclamation Facility (WRF) and proposed CSO project locations to Expert Witness, USEPA, and Ohio EPA

Expert Witness to provide report to Court

Draft report – mid/late July 2013 (not received yet)

Final report – end of August 2013 (not received yet)


Professor Craig JohnsonLewis and Clark CollegePortland, Oregon

Current CSO ProjectsCurrent CSO Projects


Akron Continues to Implement Proposed Consent Decree and

Updated Long Term Control Plan

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Consent Decree Elements

SPECIFIC ACTION

PROJECTS

CSO AND WPCS CONTROL

MEASURES

CMOM, FOG AND

EMERGENCY RESPONSE

MUD RUN PUMPING STATION

Long Term Control Plan (LTCP) Update and Report

CD: Complete all projects by October 15th, 2028LTCP Update : October 31, 2027

SPECIFIC ACTION

PROJECTS


MEASURES

CMOM, FOG AND EMERGENCY RESPONSE


Upgrade WPCS to 130mgd (Phase 1)

BioACTIFLO Pilot

Upgrade WPCS 130mgd to 170mgd (Phase 2)

BioACTIFLO Pilot 110mgd to 150mgd

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SPECIFIC ACTION

PROJECTS


MEASURES



Separation Projects (8, 25, 21, 30 & 13)

N30

25

2113

8

6

SPECIFIC ACTION

PROJECTS


MEASURES



CSO Long Term Control Plan Update

• 10 – wet weather storage basins• 2 – large diameter, underground storage tunnels• Improvements to the Water Pollution Control Station• Main Outfall Interceptor Relief Sewer and Pump Station• Ohio Canal Interceptor Tunnel Enhanced High Rate

Treatment (EHRT)

N

36

26/28 27/29

2215

12

1410/11

5/7

3

7

N

Ohio CanalInterceptorTunnel

Northside Interceptor Tunnel

SPECIFIC ACTION

PROJECTS


MEASURES



Capacity, Management, Operation and Maintenance

Sewer System Component and Equipment Inventory

Daily CSO Rack Inspection/Cleaning

Condition Assessment– Two weeks following SSO– 20% gravity sewer each year– All manholes every 5 years

Cleaning every 5 years

Repair and Replacement

FOG Program

Emergency Response Plan

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Collection System Study

Mud Run Pump Station Remedial Report

Design and Construction Mud Run Pump Station, Flow Equalization and Collection System Improvements

Pump Station Study

SPECIFIC ACTION

PROJECTS


MEASURES



Mud Run Pump Station Program

Current CSO ProjectsRack 12 Storage Basin (Design)

Rack 13 Separation Project (Design)

Rack 14 Storage Basin (Design)

Rack 15 Storage Basin (Design Complete) …. Bid 2013



OCI Tunnel (60% Design)

Mud Run Pump Station (Design Complete) …. Bid 2013

Step Feed Phase 1 (Construction Complete) …. 2013

BioACTIFLO Pilot Study (Complete) ….2013


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Ohio Canal Interceptor (OCI)Tunnel

To control overflows from Racks 4, 16, 17, 18, 19, 20, 21, 23, 24, and 37 that discharge into the Ohio Canal and Little Cuyahoga River

Storage requirement – minimum of 28.6 Million Gallons

20 ft. in diameter, 6,220 feet in length with 15 million gallon storage tank at the downstream end

Construction will occur between 2014 and 2018


Rock tunnel alignment located west of downtown Akron, from Canal Park stadium area to Little Cuyahoga River at Otto Street.

Storage tank at Little Cuyahoga River end of tunnel.


59

10

Storage Tank Near Maple and Hickory


Questions?Questions?


Program

September 20, 2013

City of Akron – Hickory & Otto Street Residents – Public Meeting September 25, 2013 – Meeting Presentation

1

Ohio Canal Interceptor TunnelProject Management Team

Ohio Canal Interceptor TunnelProject Management Team

Hickory St and Otto StPublic Information Meeting

September 2013

September 25, 2013

Agenda

CSO Long Term Control Plan Program Management Team Page 2

Welcome and Introductions

CSO Program Overview and Background

Ohio Canal Interceptor Tunnel (OCIT) Project Overview

Description of What Will Be Built

Construction Activities and Impacts

Project Status and Schedule

Questions & Answers

2

CSO Program

Overview and Background


• Construction of Combined Sewers• First Akron Treatment Facility

1910-1930

• 1938 - End of Combined Sewer Construction• Construction of Water Pollution Control Station• 90% of Akron Sewer System Constructed

1940-1960

• 1972 - Clean Water Act• Major Improvements to Water Pollution Control

Station and Collection System• Akron begins assessment of CSOs (prior to Law)

1970-1990


3

• Updated Facilities Plan and CSO LTCP• Understanding with State

1999-2002

• Negotiations with US EPA• US EPA Complaint• Consent Decree (Design/Implement CD) Lodged

in Court

2002-2009

• Fairness Hearing• Consent Decree Rejected Court• Akron/US EPA Appeal• US EPA and Ohio EPA Approve Akron CSO LTCP

(Implement CD)• 2nd Court Hearing

2010-2012


Proposed Consent Decree Elements

SPECIFIC ACTION

PROJECTS


MEASURES

CMOM, FOG AND

EMERGENCY RESPONSE


Long Term Control Plan (LTCP) Update and Report

CD: Complete all projects by October 15th, 2028LTCP Update : October 31, 2027

• 10 – wet weather storage basins• 2 – large diameter, underground storage

tunnels• Improvements to the Water Pollution

Control Station• Main Outfall Interceptor Relief Sewer and

Pump Station• Ohio Canal Interceptor Tunnel Enhanced

High Rate Treatment (EHRT)

4

Current CSO ProjectsRack 12 Storage Basin (Design)


Rack 14 Storage Basin (Design)

Rack 15 Storage Basin (Design Complete) …. Bid 2013



OCI Tunnel (60% Design)

Mud Run Pump Station (Design Complete) …. Bid 2013

Step Feed Phase 1 (Construction Complete) …. 2013

BioACTIFLO Pilot Study (Complete) ….2013


Ohio Canal Interceptor (OCI)Tunnel

To control overflows from Racks 4, 16, 17, 18, 19, 20, 21, 23, 24, and 37 that discharge into the Ohio Canal and Little Cuyahoga River

Storage requirement – minimum of 28.6 Million Gallons

20 ft. in diameter, 6,220 feet in length with 15 million gallon storage tank at the downstream end

Construction will occur between 2014 and 2018


5

Ohio Canal Interceptor Tunnel

Overview


CSO Program Overview – CSO Tunnel


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OCIT Overall Plan


OCIT Basin Area Construction


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Description of Proposed Facilitiesnear Hickory Street and Otto Street


Planned Work

36” Water Main Relocation

Towpath Trail Realignment

Little Cuyahoga Interceptor Rehabilitation

Storage Basin

20-foot I.D. Tunnel

Hickory St Junction Chamber and connector sewers


8

36” Water Main Relocation


Towpath Trail Realignment


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Little Cuyahoga Interceptor Rehabilitation


Storage Basin and Tunnel


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Aerial view of Basin – Finished Grading


Little Cuyahoga River Bank Stabilization


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OCIT-1 Consolidation Sewers


Construction Activitiesand Impacts


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Storage Basin and Tunnel


Existing Basin Site – Tree Clearing

CSO Long Term Control Plan Program Management Team

13

Temporary Bridge

CSO Long Term Control Plan Program Management Team

Tunnel Construction – Tunnel Boring Machine


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Impacts During Construction - Traffic


After Construction - OCIT Storage Basin


NOTE: Slide included a 3-D fly-through which appears as a blank image when printed.

15

View from Towpath across from Mustill St.


View from Towpath across from Otto St.


16

View from end of Otto St.


Schedule


2014 Construction Season– Little Cuyahoga Interceptor Sewer Rehabilitation– Towpath Relocation– 36” Water Main Relocation

OCIT Main Contract: 2014-2018– Basin begins– Tunnel is mined– OCIT-1CS: 2016-2018– Basin is completed

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QuestionsQuestions

September 25, 2013

Downtown Akron Partnership Block Watch Meeting October 17, 2013 – Meeting Presentation

1

City of Akron City of Akron Combined Sewer Overflow (CSO) Combined Sewer Overflow (CSO)

Long Term Control Plan Long Term Control Plan



Ohio Canal Interceptor Tunnel Ohio Canal Interceptor Tunnel –– OverviewOverviewDowntown Akron Partnership Downtown Akron Partnership BlockwatchBlockwatch MeetingMeeting

October 17, 2013

What is a Combined Sewer Overflow?


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Sewer System Components

1,358 miles of pipe

22.2 miles of force mains

28,528 manholes

38 pump stations

36 CSO racks

2 CSO storage basins

22,834 inlets

649 storm outfall locations

Page 4CSO Long Term Control Plan Program Management Team

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Akron CSOs


City’s Proposed Consent Decree


4

Major Elements of City’s Consent Decree

Submit plans for Emergency Response and Capacity, Management, Operations, and Maintenance programs

Complete specific capital improvement projects at the Water Pollution Control Station and collection system

Submit Long Term Control Plan

Complete all projects by October 15th, 2028

Stipulated Penalties

Failure to Implement Requirements of LTCP

Failure to Complete Specific Action ProjectsFailure to Complete Specific Action Projects

Failure to Inspect and Clean Collection System

Failure to Complete Mud Run Pump Station Improvements

Penalties– Day 1 to 30 = $1,500 per day– Day 31 to 60 = $3,000 per day– After 60 days = $5,000 per day


5

STORAGE BASINS AND SEWERSTORAGE BASINS AND SEWER SEPARATION PROJECTS


Akron’s Plan will Utilize Various Controls to Address Wet Weather Flows

10 – wet weather storage basins

Sewer separation projects

2 – large diameter, underground storage tunnels

Improvements to the Water Pollution Control Station

Main Outfall Interceptor Relief Sewer and Pump Station

Sewer inspection and cleaning

Mud Run Pump Station

Enhanced High Rate Treatment


6

N

36

26/28 27/2912

26/28

2215

1410/11

5/7

3

N

30

25

2113

8

7

STORAGE TUNNELSSTORAGE TUNNELS


NNorthside Interceptor Tunnel

Ohio CanalInterceptorTunnel

8

OHIO CANAL INTERCEPTOROHIO CANAL INTERCEPTOR TUNNEL


OCI Tunnel

This tunnel will reduce overflows from Racks 4, 16, 17, 18, 19, 20, 21, 23, 24, and 37 that discharge into the Ohio Canal and Little Cuyahoga River

The tunnel is required to store a minimum of 28.6 Million Gallons. We are planning a 20 foot diameter tunnel, approximately 6100 feet long with a 15 MGD basin at the end.

Construction will occur between 2014 – 2018Construction will occur between 2014 – 2018

There are stipulated penalties if this project is not advertised by a certain date or constructed by a certain date.


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10



11


Rack 4


12

Rack 37


Schedule

2014 Construction Season– Little Cuyahoga Interceptor Sewer Rehabilitation

T th R l ti– Towpath Relocation– 36” Water Main Relocation

Ohio Canal Interceptor Tunnel Contract: late 2014-2018


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Other downtown CSO projects:

Rack 15 Storage Basin

Rack 21 Separation

Rack 22 Storage Basin






Questions?Questions?

October 17, 2013

cuyahoga river remedial action plan (rap) symposium...

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