Municipal Sanitary Authority of the City of New Kensington

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1 Municipal Sanitary Authority of the City of New Kensington Public Workshop Number 2 Long Term Control Plan Update Presentation to the Cities of New Kensington, Arnold, Lower Burrell and Borough of Plum November 3, 2010

2 Meeting Overview Informational Meeting EPA Administrative Consent Order Effective Date December 11, 2009 Work Accomplished Thus Far Future Work Objectives

3 The Problem - Working Together to Keep the Allegheny River Clean MSANK Treatment Plant Capable of 6 Million Gallons Per Day (MGD) of Instantaneous Sewage Flow

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7 EPA Order - October 2, 2007 Combined Sewer Overflows..develop the Long Term Control Plan (LTCP) by collaborating with representatives of the City of New Kensington, the City of Arnold, the City of Lower Burrell, and Plum Borough. The inclusion of these communities in the development of the LTCP is necessary to ensure that the LTCP will be effective in serving all of the involved municipalities, particularly in the use of wet weather modeling in the LTCP

8 EPA Administrative Order October 2, 2007 Comply with the Conditions of MSANK s NPDES Permit Acknowledge Order Within 14 Days Submitted October 15, 2007 Submit Final LTCP No Later Than November 30, 2007

9 Administrative Order of Consent (AOC) Negotiated with EPA from 2007 through 2009 AOC Executed on December 11, 2009 For Complete 78 Page Document Go To:

10 Submitted Milestones Stage I Mapping and Sewer System Investigation Due Date Nine Minimum Control Report 2/12/2010 Develop Public Participation Plan 6/10/2010 Physical Survey and Inspection of the Sewer Systems 12/10/2010 Cleaning and Closed Circuit TV Inspection 12/10/2010 Sewer System Dye and Smoke Testing 12/10/2010 Stage I Mapping and Investigation Report 12/10/2010 Sewer Systems Urgent Deficiency Corrections 6/15/2011 Flow & CSO Pollutant Monitoring Develop Work Plan and Procurement & Installation of Equipment 9/11/2011 Complete Flow & CSO Pollutant Monitoring 9/11/2012 Hydraulic and Hydrologic Modeling Develop Work Plan 5/11/2012 Complete Sewer System Model 3/11/2013 Stage II Regional Wet Weather Planning Submit Regional Long Term Control Plan 9/11/2014

11 Nine Minimum Controls Report What are the Nine Minimum Controls? Why are they important? Meet objectives of the CSO Control Policy Document implementation of NMC Proper Operation and Regular Maintenance Program 2. Maximum Use of Collection System for Storage 3. Review and Modification of Pretreatment Requirements 4. Maximization of Flow to POTW for Treatment 5. Elimination of CSO During Dry Weather 6. Control of Solids and Floatable Materials 7. Pollution Prevention Program 8. Public Notification of Overflow Occurrences 9. Monitoring to Characterize CSO Impacts MSANK and City of Arnold submitted NMC Report to EPA on February 9, 2010.

12 Public Participation Plan Establish Goals of LTCP Ensure Public Involvement Create Advisory Committee Informational Newsletter and Meetings MSANK Web Site Continually Updated CSO Signs Bigger and More Descript Official Plan Submitted to the EPA on June 9 th, 2010.

13 Public Participation Plan Advisory Committee Public Overseers and Hands-On Guidance to the LTCP. Open, collaborative, census-based process Consists of invited representatives from various civic, engineering, and environmental organizations. Each Community MSANK Representatives Mayors of Each Community Chambers of Commerce Pucketa Watershed Association Westmoreland County Conservation District Westmoreland County Commissioners PA Fish and Boat Commission US Fish and Wildlife Services Riverlife Task Force PA Department of Environmental Protection

14 Near-Term Deadlines Stage I Mapping and Sewer System Investigation Due Date Nine Minimum Control Report 2/12/2010 Develop Public Participation Plan 6/10/2010 Physical Survey and Inspection of the Sewer Systems 12/10/2010 Cleaning and Closed Circuit TV Inspection 12/10/2010 Sewer System Dye and Smoke Testing 12/10/2010 Stage I Mapping and Investigation Report 12/10/2010 Sewer Systems Urgent Deficiency Corrections 6/15/2011 Flow & CSO Pollutant Monitoring Develop Work Plan and Procurement & Installation of Equipment 9/11/2011 Complete Flow & CSO Pollutant Monitoring 9/11/2012 Hydraulic and Hydrologic Modeling Develop Work Plan 5/11/2012 Complete Sewer System Model 3/11/2013 Stage II Regional Wet Weather Planning Submit Regional Long Term Control Plan 9/11/2014

15 Physical Survey and Inspection of the Sewer System All municipalities responsible Physical inspections started in March. GPS survey of manholes that require higher vertical accuracy (0.1 feet) by an outside contractor (approximately 450) All communities have completed the physical inspection of the manhole conditions. All stormwater catch basins surveyed and located within combined sewer area. Arnold New Kensington Lower Burrell Plum Total Manholes Pipe (miles) Catch Basins n/a n/a 1046 Pittsburgh to Harrisburg

16 Cleaning and Closed Circuit TV Inspection 1. Each Municipality shall complete cleaning prior to CCTV for a) 10 and greater separate sanitary sewers b) 15 and greater combined sewers c) Sewers associated with chronic flooding d) Downstream of flow diversion structures e) Deemed necessary by PE 2. Report /Official Plan of Action on Major Deficiencies to EPA on December 10, Arnold New Kensington Lower Burrell Plum Total Total Pipe (miles) Pipe Video d (miles) Percent of System 27% 31% Approximately 20 miles of pipe for MSANK sewer system

17 Arnold Has been working instep with MSANK Only community to have all electronic inspections of manholes Many manholes have storm lines and sanitary lines running through it which makes mapping tough REDZONE is still working on the televising because of the complex mapping of the system but will be done as required

18 ARNOLD (continued) Have already completed some repairs on Dunn Alley and Ivy Alley this year Completed compliance 3 years ago with a consent order from 1995 that required construction of new CSO outfall structures

19 CCTV Challenges Training and Safety, everyone must be NASSCO certified Traffic, coordination of efforts Access, some wooded and privately owned areas Old System, some large debris and roots collected from over 100 years of use.

20 Heavy Cleaning of Large Debris MSANK conducting an aggressive cleaning of identified areas in New Kensington Intersection of Route 56 and 366. Stevenson Blvd/Valley High Tarentum Bridge Rd Industrial Blvd Downtown New Kensington/Combined Area

21 CCTV Demonstration

22 Sewer System Dye Testing Complete dye/smoke testing to determine the sources of storm water such as roof leaders, yard and driveway drains MSANK has performed an aggressive testing program since properties tested within New Kensington. Failed properties given written notice.

23 Stage I Mapping and Investigation Report PHASE I Activities to produce comprehensive sewer maps Mapping and Report due December 10, 2010! Coordinated by MSANK Phase I success ensure success of entire program

24 Near-Term Deadlines Stage I Mapping and Sewer System Investigation Due Date Nine Minimum Control Report 2/12/2010 Develop Public Participation Plan 6/10/2010 Physical Survey and Inspection of the Sewer Systems 12/10/2010 Cleaning and Closed Circuit TV Inspection 12/10/2010 Sewer System Dye and Smoke Testing 12/10/2010 Stage I Mapping and Investigation Report 12/10/2010 Sewer Systems Urgent Deficiency Corrections 6/15/2011 Flow & CSO Pollutant Monitoring Develop Work Plan and Procurement & Installation of Equipment 9/11/2011 Complete Flow & CSO Pollutant Monitoring 9/11/2012 Hydraulic and Hydrologic Modeling Develop Work Plan 5/11/2012 Complete Sewer System Model 3/11/2013 Stage II Regional Wet Weather Planning Submit Regional Long Term Control Plan 9/11/2014

25 Flow and Rainfall Monitoring Program Needed for developing an accurate picture of the system Model will use the flow data to predict what solutions work best Develop flow monitoring work plan and start of monitoring by 9/11/2011 End of monitoring by 9/11/2012 Monitor for flow Monitor for pollutants

26 Initial Evaluation of Flow Meter Basins Monitor Every CSO Outfall Every Location Where Sewage Crosses City Boundaries Intermittently Along Major Interceptors Areas of Suspected High Infiltration and Inflow Large Service Areas Connecting to Interceptors Initial Estimate of Approximately 90 Flow Meters

27

28 H&H Modeling Program SWMM Model complete by 3/11/2013 Fully Dynamic Model Continuous Simulation Flow Generation Boundary Conditions Surcharged Conditions Interceptor Flow (cfs) /27/2000 0:00 05/27/2000 6:00 05/27/ :00 05/27/ :00 05/28/2000 0:00 Date/Time

29 Four Steps to Model Development Develop Flow Basins Develop Basin Flow Allocation Develop Hydraulic Pipe Network Model Calibration & Verification

30 Characterization of Existing Flow Conditions City of Arnold City of Lower Burrell City of New Kensington Borough of Plum

31 Basin Flow Models Dry Weather Flow Census Data Capita per Land-Use Acre Flow per Acre Diurnal Patterns Wet Weather Flow Combined System Hydrologic Cycle for Surface Runoff Separate System Rainfall Dependent Inflow/Infiltration

32 Hydraulic Model Network Basin Interconnectivity Major Interceptors CSO Configurations

33 Calibration & Verification Compare Simulated Results to Measured Data 3 Calibration Events per Meter 1 Verification Event per Meter Stringent Criteria for Tolerances Peak Flows Average Flows Volumes Depth

34 Stage II Regional Wet Weather Planning LONG TERM CONTROL PLAN Prepared by 9/11/ Shall identify all sensitive areas.. 2. Include public participation in development 3. Develop and propose alternatives for CSO controls 4. Develop cost analysis of all alternatives 5. Implementation Plan and Schedule 6. Post-Construction Monitoring Compliance Program

35 Current News MSANK WWTP Upgrade (Phase I) Headworks and Blower Building Project is almost complete Facilities sized for future need MSANK s web site is being redesigned with more information to come For all news regarding MSANK Regional Wet Weather program go to: Lines of communications always open: please contact Daniel Rowe, Manager (724) or Kemal Niksic, P.E., HMM (412)

36 What Can You Do! Disconnect your downspouts from CSS Sweep up grass clippings. Do not hose them into the sewer drains Do not litter Fix fluid leaks Recycle cooking oil Never pour oil, grease, paint, solvents or any chemicals down the drain Clean up after your pets ASK QUESTIONS!

37 THANK YOU!

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