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CMOM CMOM Capacity, Management, Operation & Maintenance and Remote Wireless Monitoring of Collection Systems 5 th Annual FVOA Mini Conference August 18,

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Presentation on theme: "CMOM CMOM Capacity, Management, Operation & Maintenance and Remote Wireless Monitoring of Collection Systems 5 th Annual FVOA Mini Conference August 18,"— Presentation transcript:

1 CMOM CMOM Capacity, Management, Operation & Maintenance and Remote Wireless Monitoring of Collection Systems 5 th Annual FVOA Mini Conference August 18, 2011 Presented by: John Frerich, P.E. - Walter E. Deuchler Associates, Inc. Yokhana Alkass – Electrical Engineering Consultants, P.C.

2 Capacity, Management, Operation & Maintenance

3 Purpose of CMOM  Better manage, operate and maintain collection systems  Investigate capacity constrained areas of collection system  Proactively prevent SSOs  Respond to SSO events “ The performance of a wastewater collection system is directly related to the effectiveness of its CMOM program.”

4 Regulatory Requirements Title 35, Ill Admin. Code, Subtitle C, Part 306.304: Overflows “Overflows from Sanitary Sewers are Expressly Prohibited”

5 Regulatory Requirements

6 NPDES Permit Special Condition SPECIAL CONDITION NO. __ The Permittee shall work towards the goals of achieving no discharges from sanitary sewer overflows or basement backups and ensuring that overflows or backups, when they do occur do not cause or contribute to violations of applicable standards or cause impairment in any adjacent receiving water. In order to accomplish these goals, the Permittee shall develop and submit to the IEPA a Capacity, Management, Operations, and Maintenance (CMOM) plan within twelve (12) months of the effective date of this Permit. The Permittee may be required to construct additional sewage transport and/or treatment facilities in future permits or other enforceable documents.

7 NPDES Permit Special Condition The CMOM plan shall include the following elements: a.Measures and Activities: 1.A complete map of the collection system; 2.Schedules, checklists, and mechanisms to ensure that preventative maintenance is performed on equipment; 3.An assessment of the capacity of the collection and treatment system at critical junctions and immediately upstream of locations where overflows and backups occur or are likely to occur; and 4.Identification and prioritization of structural deficiencies in the system.

8 NPDES Permit Special Condition b.Design and Performance Provisions: 1.Monitor the effectiveness of CMOM; 2.Upgrade the elements of the CMOM plan as necessary; and, 3.Maintain a summary of CMOM activities. c.Overflow Response Plan: 1.Know where overflows and backups occur; and, 2.Respond to each overflow or backup to determine additional actions such as clean up. d.System Evaluation Plan. e.Reporting and Monitoring Requirements.

9 CMOM Evaluation Guide Guide for Evaluating Capacity, Management, Operation, and Maintenance (CMOM) Programs at Sanitary Sewer Collection Systems

10 Collection System Capacity  Flow Monitoring  Sewer System Testing  Sewer System Inspection  Sewer System Rehabilitation

11 Collection System Management  Organizational Structure  Training  Internal Communication  Customer Service  Management Information System  SSO Notification Program  Legal Authority

12 Collection System Operation  Budgeting  Monitoring  H 2 S Monitoring and Control  Safety  Emergency Preparedness and Response  Modeling  Mapping  New Construction

13 Collection System Maintenance  Budgeting  Planned and Unplanned Maintenance  Sewer Cleaning  Parts and Equipment Inventory

14 Remote Wireless Monitoring of Collection Systems

15 System Components  Flow meters collect data at sewer overflows, interceptors and other remote sites  Cellular modules transmit the collected data over commercial carrier’s cellular towers/network  Data is received at a Server via the internet  Data is stored in a database on the Server  Operators access the collected data using only a web browser  Alarms are sent to multiple recipients’ cell phones or email addresses.

16 Wireless Flow Monitoring System

17 Benefits of Wireless Data Collection System  Report of approaching alarm conditions before an actual overflow event occurs  Opportunity to intervene to avert an overflow event  Avoid EPA reporting requirements and subsequent potential enforcement action  Near real-time access to flow data for analysis  Easy access to collected data from anywhere using only a web browser  Cut costs and lower operating expenses by eliminating unnecessary site visits by maintenance crews

18 Manual Data Collection  Data is collected once or twice a month  Overflow events may have occurred already  No opportunity to take corrective action to prevent overflows  Potential EPA reporting and enforcement action

19 Sites with Wireless Data Collection Equipment

20 Alarms  Instantaneous reporting of alarm conditions  Receive alarms via cell phones or email  Alarms can be sent to multiple recipients  Opportunity to intervene before overflow conditions occur (by dispatching crews to investigate and correct conditions that could lead to overflows)  Example Text Message: Overflow #1 Dam: Level approaching 7.50”

21 Data Collection  Scheduled data transmittals (typical: once per day)  Ability to transmit data more frequently during an event – as frequent as once every 5 minutes  Data is received at a Server and is automatically stored in a database  Data is available for viewing from anywhere using a web browser  Security is applied via user passwords


23 Summary  Motivation for Wireless flow data collection: Avoid EPA reporting and potential enforcement action  Receive alarms BEFORE overflow events occur  Access data anywhere via web browser  Reduce maintenance costs and site visits


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