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Sewage Infrastructure Master Planfor the City of Kingston Urban AreaFinal ReportSeptember 2010
Submitted to
Submitted by
JETT#
383726A1T7_ WBG072610171635OTT ES-1
Executive Summary
Introduction
Utilities Kingston manages the sanitary and combined sewer system, including pumping stations and wastewater treatment plants, for the City of Kingston. The Sewer Infrastructure Master Plan for the City of Kingston Urban Area was initiated to identify the necessary infrastructure required to provide conveyance and treatment capacity for sanitary sewer up to 2026. The Master Plan project scope also included a comprehensive update to the Pollution Control Plan (PCP), related specifically to the mitigation of impacts due to combined sewer overflows (CSO’s), with a goal of identifying the necessary steps to achieve “virtual elimination” of CSO’s in the long term.
In summary, the goals of the Master Plan process were as follows:
Advance the goal of containment/virtual elimination of combined sewer overflows Maximize the effectiveness of the existing sewer system Provide adequate system capacity to meet growth-based demand to the year 2026 Prioritize large scale capital improvements to the sewer system Provide information to stakeholders on issues and challenges associated with Kingston’s
unique sewer system
The Master Plan was focused on the trunk sanitary sewer servicing requirements of the urban area, as defined by the Official Plan. As defined by the Municipal Class Environmental Assessment Process, the Master Plan satisfies Phases 1 and 2 of the Class EA process, including the requirements for public and agency consultation and input.
A review of local sewer capacity of site specific flooding issues was beyond the scope of this Master Plan. Stormwater issues, except as they relate to updates of the PCP for the combined sewer area were also excluded from the project scope.
Existing Sewage Infrastructure System
As per the Draft Official Plan (2006), 117,200 people in the City of Kingston urban area are serviced by the sewage infrastructure and wastewater treatment systems managed by Utilities Kingston. In addition to local and trunk sewers, thirty-three pumping stations and two wastewater treatment plants (Cataraqui Bay and Ravensview) provide conveyance for sanitary and combined sewage. Nine combined sewage overflow facilities provide wet weather storage for combined sewage, reducing the volume of combined sewage discharged to receiving waters, and mitigating the potential impact of combined sewage overflows on the waterfront.
Currently, the sanitary collection system consists of combined sewers (conveying both sanitary sewage and stormwater runoff from private property and City streets), partially separated sewers (conveying sanitary sewage and stormwater from roof leaders / downspouts, foundation drains and sump pumps), and separated sewers (conveying only sewage originating from sanitary sources). Combined sewers are a historical remnant located only in the older areas of the City, while all new development is serviced by fully
EXECUTIVE SUMMARY
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separated sewers. Partially separated sewers are suspected (and in some cases, confirmed) to exist in certain areas across the City.
Pumping stations in the collection system lift and convey sewage from low points into local or trunk sewers.
Collected sanitary sewage is treated at either the Cataraqui Bay Wastewater Treatment Plant (serving the west part of the City) or the Ravensview Wastewater Treatment Plant (serving central and east Kingston). Cataraqui Bay has an average day capacity of 38,800 cubic metres per day, while the newly reconstructed and upgraded Ravensview Facility has a capacity of 95,000 cubic metres per day. Both facilities provide equivalent to or better than secondary treatment for wastewater.
Combined Sewer Overflows (CSO) can occur at pumping stations or at specific locations within the combined sewer system. Overflows occur when the capacity of the system is exceeded, with hydraulic relief provided in the form of a system overflow. Pumping station overflows can occur when pumping capacity is exceeded, thereby preventing surcharge os the upstream collection system, protecting serviced properties.
Future Servicing Requirements
The Master Plan provides a schedule for recommended extension and capacity increases for the sewer infrastructure system. These recommendations were developed by assessing existing conditions, projected development conditions to 2026, and long term full development inside the urban boundary as defined in the Official Plan.
Population forecasts and anticipated development areas and timing developed as part of the Official Plan were used to forecast future sewage flows. The “mid-growth” alternative forecast (as defined in the Official Plan) for population increase to 2026 was adopted, resulting in an increase of 15,900 people, of which 85.9% are anticipated to be located inside the urban boundary. In addition, assumptions related to the extent and timing of development of Industrial, Commercial and Institutional properties were used to develop sewage flow estimates.
Growth-related capacity expansion recommendations are based on an assumption of limited improvements in flow management through the reduction of wet weather inflow and infiltration (I/I) into the collection system. However, continued pursuit of I/I reduction is recommended, and direction related to an approach and suggested priority areas for investigation are provided.
Table ES.1 summarizes the recommended projects required to service future growth.
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TABLE ES.1 Recommended Collection System Infrastructure Projects to Address Growth Related Flows
Recommended Project Opinion of Probable Cost ($-2010)
Anticipated Timing
WEST
Days Rd. PS $2,500,000 By 2026
Mona Drive PS $1,000,000 Beyond 2026
Front Rd. PS $1,500,000 Beyond 2026
Westbrook PS $1,500,000 When required based on flow monitoring
Collins Bay Collector $900,000 By 2026
Northwest Collector $1,400,000 By 2026
Cataraqui Bay WWTP Expansion – Upgrade to Avg. Daily Flow Rate of 45,000 m3/day and address wet weather bypass
$18,000,000 Initiate EA now to address limited uncommitted capacity and wet weather peak flows
Cataraqui Bay WWTP Expansion – Upgrade from 45,000 m3/day to Avg. Day Flow Rate of 58,000 m3/day
$25,000,000 Beyond 2026
EAST
Butternut Creek PS $1,500,000 Beyond 2026
B40 PS $1,500,000 Now
Highway 15 Trunk $2,000,000 Beyond 2026
Ravensview Trunk $9,200,000 Now
CENTRAL
Portsmouth PS $2,500,000 Now, or deferred based on approach to wet weather I/I reduction
Princess St. Collector $2,400,000 Now
Combined Sewer Requirements
MOE Procedure F-5-5 outlines treatment requirements for municipal and private combined and partially separated sewer systems. As highlighted by analyses presented in the Pollution Control Plan Update Report, the existing system exceeds the minimum CSO volumetric control requirements outlined in Procedure F-5-5 both under the existing condition as well as under future growth scenarios. This outcome reflects the significant investment in infrastructure improvements that UK and the City have made since the previous PCP Update was completed in 2000.
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In addition to ensuring conformance with MOE Procedure F-5-5, the City has adopted a goal of “virtual elimination” of CSOs. Therefore, additional analyses beyond those used to assess conformance with Procedure F-5-5 were undertaken to identify works required to achieve this goal.
Recommended projects and system modifications related to future “virtual elimination” of CSOs have been identified in the Pollution Control Plan Update. Sewer separation remains the main component of these recommendations with additional projects required to achieve full conformance with this goal.
The following tables, Tables ES.2 and Table ES.3, provide summaries of the specific recommended capital projects and monitoring programs from the updated PCP.
TABLE ES.2 Summary of Recommended Capital Projects for CSO Reduction
Project Description Opinion of Probable Cost
($-2010) EA Requirements
Source Controls
Sewer Separation*
Area 1 $32,000,000 Schedule A+, assuming all work is within right-of-way, without unusual environmental conditions
Area 2 $23,500,000 Schedule A+, assuming all work is within right-of-way, without unusual environmental conditions
Area 3 $6,900,000 Schedule A+, assuming all work is within right-of-way, without unusual environmental conditions
Area 4 $14,500,000 Schedule A+, assuming all work is within right-of-way, without unusual environmental conditions
Area 5 $14,600,000 Schedule A+, assuming all work is within right-of-way, without unusual environmental conditions
Area 6 $22,400,000 Schedule A+, assuming all work is within right-of-way, without unusual environmental conditions
Conveyance Controls
North Harbourfront Trunk Sewer Twinning
$1,400,000 Schedule A+, assuming that all work is within the right-of-way, without unusual environmental conditions
West Street CSO improvements
$600,000 Schedule B
River Street Forcemain Twinning Completion
$1,500,000 Schedule C recommended (based on the assumed need for land acquisition / easements and federal input to the EA process)
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TABLE ES.2 CONTINUED Summary of Recommended Capital Projects
Project Description Opinion of Probable Cost
($-2010) EA Requirements
End-of Pipe Options
O'Kill Street CSO Screening and Flow Monitoring
$2,000,000 Schedule B (unless impacted by in-water work or other federal approvals)
West Street Outfall Replacement
$1,500,000 Schedule C plus CEAA, assuming in-water work is required
West Street CSO Screening
$1,500,000 Schedule B (unless impacted by in-water work or other federal approvals)
Notes: * Opinion of probable costs for sewer separation based on total cost of integrated rehabilitation program
TABLE ES.3 Summary of Recommended Programs
Category Description
Storm Outfalls Design of a program to assess waterfront impacts from storm outfalls including LO5 (Portsmouth Harbour near King St.), LO9 (Albert St.) and GC8 (Great Cataraqui River just below Belle Park) per 2000 PCP Update recommendations.
Storm Outfalls Review data collection, inspection and monitoring protocols for storm outfalls.
Floatables Control UK’s Floatables Control Program should be formally documented.
Floatables Control As part of a formal, documented Floatables Control program, UK should formalize post-event clean-up practices, focusing on areas of historical concern.
CSO/PSO Monitoring Consider the installation of monitoring equipment at O’Kill Street PS and CSO tank as part of any future planned capital works.
CSO/PSO Monitoring Consider the installation of overflow monitors at permanent locations (e.g. pumping stations, CSO locations) as part of future capital projects or as resources become available.
CSO/PSO Monitoring Consider the installation of permanent monitoring equipment at priority CSO locations (Barrack Street, Queen Street, Belle Park). Installation of equipment should consider the timing of proposed future capital works intended to reduce or eliminate overflows from these locations.
CSO/PSO Monitoring Continued use of temporary monitors in areas with existing CSOs and that are subject to upcoming capital improvements to continue characterizing the response of existing CSOs during rainfall events (UK program already in place).
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Wet Weather Inflow Reduction
Certain locations across the City have been recommended for continued I/I reduction investigations in the separated sewer system, with a focus on identifying sources of wet weather I/I and undertaking removals initiatives on a systematic, focused basis as part of ongoing capital projects. Investigations into wet weather I/I and sewer capacity at the local sewer scale should also focus on areas of historical basement flooding in the City. In addition, pursuit of I/I reduction in areas of partially separated sewers through weeping tile, sump pump and roof leader discussion should continue. Sewer lining and rehabilitation should continue to form part of Kingston’s overall approach to sewer I/I reduction where appropriate. Areas with high I/I or I/I induced SSO’s, as determined through flow monitoring, should be considered as priority areas for focused I/I reduction efforts.
Non-Capital Works Initiatives In addition to the above noted capital projects, additional non-capital work initiatives have been recommended. Specifically, continued system monitoring and continuous improvement to the modelling tool used for system analysis is recommended.
Program and Policy Recommendations
UK and the City have a number of policies, procedures and bylaws related to pollution prevention and control, source controls of wet weather flows, and other measures directly relevant to pollution control planning. Recommendations regarding modifications to existing programs are provided in the Master Plan. In addition to continuing public education and enforcement on existing programs, the City of Kingston could develop by-laws or guidelines for improved source control of pollutants. Benefits would be realized both in the short term for CSOs and in the long term following sewer separation in terms of the quality of stormwater discharged to the waterfront.
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Contents
Executive Summary ............................................................................................................... ES-1
Table of Contents
1. Introduction and Study Framework ........................................................................ 1-1 1.1 Purpose of the Master Plan ............................................................................ 1-1 1.2 Class Environmental Assessment Process ................................................... 1-1 1.3 Master Planning Process ................................................................................ 1-3 1.4 Linkages to Other Studies and Initiatives .................................................... 1-4 1.5 Delineation of the Study Area ....................................................................... 1-5
2. Existing Sewage Infrastructure System ................................................................... 2-1 2.1 Serviced Population ........................................................................................ 2-1 2.2 Existing Collection System ............................................................................. 2-1 2.3 Existing Treatment Facilities .......................................................................... 2-5
2.3.1 Cataraqui Bay Wastewater Treatment Plant .................................. 2-5 2.3.2 Ravensview Wastewater Treatment Plant ...................................... 2-5
2.4 System Characterization through Model Development ............................ 2-6 3. Future Servicing Requirements ................................................................................ 3-1
3.1 Kingston Sewer Design Standards ................................................................ 3-1 3.2 Determination of Sanitary Flows .................................................................. 3-2
3.2.1 Domestic Sewage Flows .................................................................... 3-2 3.2.2 Commercial, Institutional and Industrial Sewage Flows ............. 3-2
3.3 City Growth Projections ................................................................................. 3-3 3.4 Model Scenario Definition ............................................................................. 3-4 3.5 Sewer System Servicing Objectives ............................................................... 3-5 3.6 Sewer System Requirements .......................................................................... 3-6
3.6.1 Trunk Sanitary Sewers ....................................................................... 3-6 3.6.2 Sanitary Sewage Pumping Stations ................................................. 3-8 3.6.3 Wastewater Treatment Plants ........................................................... 3-8
4. Combined Sewer System Requirements ................................................................ 4-1 4.1 MOE Procedure F-5-5 ..................................................................................... 4-1
4.1.1 Procedure F-5-5 Volumetric Requirements .................................... 4-2 4.1.2 Procedure F-5-5 Non-Volumetric Requirements ........................... 4-3
4.2 Long Term Goals ............................................................................................. 4-3 4.3 Pollution Control Plan Update – Recommended Projects ......................... 4-4 4.4 System Performance Following Recommended Upgrades ....................... 4-6
5. Additional Recommended Initiatives ..................................................................... 5-1 5.1 Non-Capital Works Initiatives ....................................................................... 5-1 5.2 Wet Weather Inflow Reduction ..................................................................... 5-2 5.3 Program and Policy Recommendations ....................................................... 5-3
5.3.1 Categories of Control Alternatives .................................................. 5-3 5.3.2 System-Wide Policies and Programs – Source Controls ............... 5-3
CONTENTS CONTINUED
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6. Master Plan Implementation Summary .................................................................. 6-1 6.1 Treatment Facilities Infrastructure Recommendations .............................. 6-1 6.2 Collection System Infrastructure Recommendations ................................. 6-1 6.3 PCP Update and Combined Sewer Area Recommendations .................... 6-2 6.4 I/I Recommendations ..................................................................................... 6-5 6.5 Master Plan Updates ....................................................................................... 6-7
7. Public Consultation and Class EA Requirements ................................................. 7-1 7.1 Consultation Activities .................................................................................... 7-1
7.1.1 Master Plan Mailing List .................................................................... 7-1 7.1.2 Notice of Master Plan Commencement ........................................... 7-2 7.1.3 Public Information Centers ............................................................... 7-2 7.1.4 Agency Consultation .......................................................................... 7-2 7.1.5 Notice of Completion of Master Plan ............................................... 7-2
8. References ..................................................................................................................... 8-1
Figures
Figure 1—1 Municipal Class Environmental Planning and Design Process ...................... 1-2 Figure 1—2 Schedule 3A Land Use .......................................................................................... 1-6 Figure 2—1 Sewer System major Infrastructure ..................................................................... 2-3 Figure 2—2 Combined Sewer Area .......................................................................................... 2-4 Figure 6—1 Recommended Existing and Growth Capacity Projects ................................... 6-3 Figure 6—2 Recommended Projects For Cso Reduction ....................................................... 6-6 Figure 6—3 Priority Separated Sewer Areas for Wet-Weather Inflow Reduction ............. 6-8 Tables
Table ES.1 Recommended Collection System Infrastructure Projects to Address Growth ................................................................................................... ES-3
Table ES.2 Summary of Recommended Capital Projects .................................................. ES-4 Table ES.3 Summary of Recommended Programs ............................................................. ES-5 Table 2.1 Cataraqui Bay WWTP Treatment Capacity........................................................ 2-5 Table 2.2 Ravensview WWTP Treatment Capacity ........................................................... 2-5 Table 3.1 Summary of Recommended Growth Related Capital Projects for
Trunk Sewers .......................................................................................................... 3-7 Table 3.2 Summary of Recommended Growth Related Capital Projects for
Pumping Stations ................................................................................................... 3-9 Table 3.3 Summary of Recommended Growth Related Capital Projects for
Wastewater Treatment Plants ............................................................................ 3-10 Table 4.1 Control Requirements ........................................................................................... 4-3 Table 4.2 Summary of Recommended Capital Projects .................................................... 4-5 Table 4.3 Summary of Recommended Programs ............................................................... 4-6 Table 4.4 Modelled CSO overflows and Impacts following Implementation of
Recommended Long Term Plan .......................................................................... 4-7 Table 5.1 Estimated maximum wet-weather Inflow Rates to Separated Sewer Areas
Based on System Monitoring Data from 2008 .................................................... 5-2
INTRODUCTION AND STUDY FRAMEWORK
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Table 6.1 Recommended Treatment Facility Projects to address Growth ...................... 6-1 Table 6.2 Recommended Collection System Infrastructure Projects to address
Growth ..................................................................................................................... 6-1 Table 6.3 Summary of Recommended Capital Projects ..................................................... 6-4 Table 6.4 Summary of Recommended Programs ............................................................... 6-5
Appendices
Appendix A MOE Procedure F-5-5 Checklist Appendix B Agency and Public Mailing List Appendix C Environmental Assessment Notices and Letters Appendix D Public Information Centre Information
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1. Introduction and Study Framework
1.1 Purpose of the Master Plan Utilities Kingston has initiated a Class Environmental Assessment (EA) study to develop a Sewer Infrastructure Master Plan for the City of Kingston Urban Area. An updated Master Plan is required to guide the Utilities’ efforts to:
Advance the goal of containment/virtual elimination of combined sewer overflows Maximize the effectiveness of the existing sewer system Provide adequate system capacity to meet growth-based demand to the year 2026 Prioritize large scale capital improvements to the sewer system Provide information to stakeholders on issues and challenges associated with Kingston’s
unique sewer system
This Master Plan is intended to identify sewer infrastructure needs to the planning year 2026. The scope of the analysis was also expanded to investigate the anticipated sewage flows generated from full build-out (i.e. growth beyond 2026) within the study area. The Master Plan also includes a comprehensive update to the Pollution Control Plan, related specifically to the mitigation of impacts due to combined sewer overflows (CSO’s), and with a goal of identifying the necessary steps to achieve “virtual elimination” of CSO’s in the long term.
1.2 Class Environmental Assessment Process The Municipal Class Environmental Assessment) document prepared by the Municipal Engineer’s Association in June 2000, as amended in 2007, is an approved Class EA process. There are five phases of assessment in the Class EA document. The five phases include:
Phase 1: Definition of the Problem
Phase 2: Identification and Assessment of Alternative Solutions and Selection of a Preferred Solution
Phase 3: Identification and Assessment of Alternative Sites/Design Concepts and Selection of a Preferred Site/Design
Phase 4: Preparation of an Environmental Study Report (ESR)
Phase 5: Implementation
The Class EA planning and design process is shown in Figure 1-1.
INTRODUCTION AND STUDY FRAMEWORK
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FIGURE 1—1 Municipal Class Environmental Planning and Design Process
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PROBLEM OROPPORTUNITY
1
3
4
5
6
1
2
3
4
5
6
7
ENVIRONMENTALSTUDY REPORT
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IMPLEMENTATION
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KWO-02-193
MunicipalEngineersAssociation
INTRODUCTION AND STUDY FRAMEWORK
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The Class EA document places projects into three possible schedules, depending on their characteristics (that is, Schedule A, B, or C projects). The schedule under which a project falls determines the planning and design phases that must be followed. Schedule A projects are minor operational and upgrade activities and may go ahead without further assessment once Phase 1 of the Class EA process is complete (that is, the problem is reviewed and a solution is confirmed). Schedule B projects must proceed through the first two phases of the process. Proponents must identify and assess alternative solutions to the problem, inventory impacts, and select a preferred solution. They must also contact relevant agencies and affected members of the public. Provided that no significant impacts are found and no requests are received to elevate the project to Schedule C or undertake the project as an Individual EA (Part II Order), the project may proceed to detailed design (Phase 5). Schedule C projects require more detailed study, public consultation, and documentation, as they may have more significant impacts. Projects categorized as Schedule C must proceed through all five phases of assessment. An ESR must be completed and available for a 30-day public review period, prior to proceeding to implementation (Phase 5).
In the event that there are major issues that cannot be resolved upon completion of the final ESR, individuals may request the Minister of Environment to require the Regions to comply with Part II of the EA Act. Upon receiving a Part II Order request, the Minister reviews the request and study information and makes one of the following decisions: deny the request, refer the matter to mediation, or, require completion of an Individual EA. Many factors are considered by the Minister in making decisions, including the adequacy of the planning process, the potential for significant adverse environmental effects after mitigation measures are considered, the participation of the requester in the planning process, and the nature of the request.
1.3 Master Planning Process Requirements for the completion of Master Plans for Ontario Municipalities are outlined in the Municipal Class Environmental Assessment Guidelines (October 2000, as amended in 2007). Master Plans are required to cover, as a minimum, Phases 1 and 2 of the Municipal Class EA process. This Sewer Infrastructure Master Plan for the City of Kingston is intended to provide long range guidance on the expansion of sewer infrastructure to meet the needs of development growth in the City. In addition, the project scope was expanded to provide an update and direction for the remaining combined sewer serviced areas in the older portion of the City, summarized in an update to the Pollution Control Plan for the City.
Phase 1 of the Class EA process involves identification of the problem or opportunity to be addressed by the project. Phase 2 involves development of alternative solutions to address the problem or opportunity by taking into consideration the existing conditions, and by incorporating public and review agency comments. From the alternatives a technically feasible preferred solution is identified that minimizes impacts on the natural and social/cultural environment, while optimizing capital and operating investments.
Completion of Phases 1 and 2 of the Class EA process has been addressed by this Master Plan through the review of options and alternatives for providing adequate sanitary sewer infrastructure to service the needs of future growth. This includes a review of trunk sanitary
INTRODUCTION AND STUDY FRAMEWORK
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and combined sewers, sanitary sewage pumping stations, and wastewater treatment plants. For projects identified as Schedule B Class EA undertakings, updates to Phases 1 and 2 of the Class EA process, together with additional site specific investigations (such as archaeological, natural environment, geotechnical) will be required as part of implementation of the Master Plan recommendations. For Schedule C undertakings, completion of Phases 3 and 4 will be required prior to implementation.
The Municipal Class EA Document (June 2000, as amended in 2007) defines “alternative solutions” as:
“feasible alternative ways of achieving an identified problem (deficiency) or addressing an opportunity, from which a preferred solution is selected”.
A list of the basic alternatives that can be considered for servicing future development and for the “virtual elimination” of CSOs includes:
Do nothing Limit community growth Increase conveyance and treatment capacity to accommodate growth Identify and implement alternatives to further reduce CSOs and advance the City’s goal
of “virtual elimination”
As part of the Class EA process, the “Do Nothing” alternative solution must be considered. For this Master Plan, “Do Nothing” would involve leaving the sanitary system in its current state and not implementing any measures to convey additional sewage from development or reduce CSOs or allow for future growth within the urban boundary. Both the “Do Nothing” and “Limit Community Growth” alternatives are inconsistent with adopted City policies and the Official Plan. Therefore, this Master Plan focuses on alternatives that serve to both accommodate planned growth and also target existing CSO issues within the system. A review of local sewer capacity or site specific flooding issues was beyond the scope of this Master Plan. Stormwater issues, except as they relate to the combined sewer area, were also not reviewed as part of this study.
1.4 Linkages to Other Studies and Initiatives A Water Master Plan was completed by Utilities Kingston in June 2007. The Water Master Plan provides guidance to UK related to providing adequate drinking water treatment and conveyance capacity to service the City up to Planning year 2026. Concurrent with the completion of this Sewer Infrastructure Master Plan, the City of Kingston has completed an update to the City’s Water Master Plan.
Aside from the above planning studies, a number of infrastructure-related studies have been completed by UK recently with direct bearing on the recommendations of the Sewer Infrastructure Master Plan. The City of Kingston Urban Growth Strategy (2004) provided a high level overview of the potentially required infrastructure upgrades related to growth. The Condition Assessment of Water and Waste Water Pumping Stations (2008) reviewed existing pumping station physical conditions, and provided capacity information based on pump testing of the stations.
INTRODUCTION AND STUDY FRAMEWORK
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The Critical Evaluation of Kingston’s Combined Sewers (2006) provided an assessment of alternative strategies to determine a preferred strategy for the renewal of the existing combined sewer areas. As a result of the Kingston Combined Sewer Critical Evaluation, the City of Kingston’s Council adopted a policy which incorporates local sewer separation, where physically possible, coupled with high level storm sewer overflows at connections to the trunk sewers. Furthermore, the City established a long-term goal of “virtual elimination” of CSOs from the system, where virtual elimination is deemed to be containment of all combined sewer flows under typical year conditions, with overflows occurring only under less frequent storm events.
An update to the 2000 Pollution Control Plan was completed concurrently with the current Master Plan. This document reviewed the impacts of completed works recommended in the 2000 PCP Update on CSO and system performance. Recommendations from the PCP Update are carried as part of this Master Plan.
1.5 Delineation of the Study Area City of Kingston’s (Draft) Official Plan (OP) (Fall 2008) provides the planning context and direction for growth in the City to the year 2026 and beyond. The OP identifies a clear Urban Boundary, which has been identified as the limits of study area for this Master Plan as illustrated in Figure 1-2. Development areas identified in the OP represent the basis for assessing future sanitary sewage flows to be serviced by the collection and treatment system.
Figure 1-2 Schedule 3A
from C
ity of Kingston D
raft Official Plan
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2. Existing Sewage Infrastructure System
2.1 Serviced Population Development Areas identified in the City of Kingston’s Draft OP represent the basis for assessing future sanitary sewage flows to be serviced by the collection and treatment system. The Draft OP also provides information on the anticipated population growth to planning year 2026, which is identified as the planning horizon for this Master Plan. For the purposes of the Master Plan, existing and future development is contained within the urban boundary as illustrated in Figure 2-1.
2.2 Existing Collection System Wastewater from the entire urban runoff area of the City of Kingston is collected for centralized treatment. The purpose of the wastewater collection system is to safely convey sanitary flows to the central treatment facilities. The collection system in the Kingston Urban Area consists of: separated, potentially partially separated, and combined sewers; 33 pumping stations; 5 inline storage elements and 4 CSO storage tanks. Refer to Figure 2-1 for an illustration of the major sewer infrastructure components within the urban boundary. The extent of partially separated sewers is currently unknown. Figure 2-1 shows the accurate extent of combined sewers, however differentiation between separated and partially separated sewers is not included on this figure.
Currently, the sanitary collection system consists of:
Combined sewers – Conveying both sanitary sewage and stormwater runoff from private property and City streets, combined sewers are primarily found in the older areas of the City of Kingston, including a significant portion of the downtown area. Combined sewers are an historical leftover from the period before wastewater treatment, and Utilities Kingston is actively working on separation of the remaining combined sewers.
Partially separated sewers – Conveying sanitary sewage and stormwater initiating primarily from roof leaders / downspouts, foundation drains and sump pumps, partially separated sewers are subject to higher wet weather inflow response than fully separated sewers. Partially separated sewers are suspected (and in some cases verified) to be located in various areas in the City, although accurate and complete records of the locations are not available. Current bylaws no longer permit the construction of any type of stormwater connection to the sanitary system.
Separated sewers- Conveying only sewage originating from sanitary sources, separated systems can still be subject to significant wet weather infiltration and inflow (I/I) depending on their age, condition, and method of construction. In an area with separated sewers, all road drainage and stormwater is collection by storm sewers. All new development is serviced by separated sewers.
EXISTING SEWAGE INFRASTRUCTURE SYSTEM
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Refer to Figure 2-2 for an illustration of the current (2009) combined sewer serviced catchment areas in the City of Kingston.
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Leroy Grant
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401Centennial
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0.5Kilometres
Cataraqui Bay WWTP
RavensviewWWTP
Mona Drive PS
Front Road PS
Days Road PS
North End PS
Portsmouth PSO'Kill PS
Butternut Creek PS
B-40 PS
Lake OntarioGreat Cataraqui River
CollinsBay
Cataraqui Creek
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West PrincessCollector
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Front RoadTrunk
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Coverdale PS
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Utilities KingstonSewer Infrastructure
Master PlanFigure 2-1
Sewer SystemMajor Infrastructure
ÆüPumping Stations
")Wastewater Treatment Plant
"CSO TanksModel ConduitsSanitary SewersForcemainFreewayMajor RoadsAreas Serviced ByCombined Sewers
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NAPIER ST
HELEN ST
PALACE RD
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REGENT ST
PINE ST
YORK ST
WELLINGTON ST
PATRICK ST
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WEST ST
BAY ST
TORONTO ST
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STUART ST
BATH RD
WILLIAM ST
RUSSELL STPRINCESS ST
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THIRD AVE
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COLLINGWOOD ST
HILL ST
W CAMPUS LANE
GORE ST
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ELM ST
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Utilities KingstonSewer Infrastructure
Master PlanFigure 2-2
Combined SewerArea
100m3
on West, Lower UnionEarl and William St
100m3
on West, Lower UnionEarl and William St
100m3
on West, Lower UnionEarl and William St
100m3
on West, Lower UnionEarl and William St
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Earl and William Streets
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3
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6,000m3
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3
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123456
EXISTING SEWAGE INFRASTRUCTURE SYSTEM
383726A1T7_WBG020310121900OTT 2-5
The collection system is also divided into two distinct systems that convey flows to the two separate wastewater treatment facilities. The West System, which generally includes the portion of the City within the urban boundary west of the Little Cataraqui Creek (the former Kingston Township), collects and conveys flows to the Cataraqui Bay Wastewater Treatment Plant (WWTP). The Central and East Systems, which generally include the area east of the Little Cataraqui Creek (former City of Kingston and Pittsburgh Township), discharge to the Ravensview WWTP.
A complete review of sanitary pumping stations was recently completed by UK, including a condition assessment and review of pumping capacity for each station. The final report for the study, “Condition Assessment of Water and Waste Water Pumping Stations” (2008) provides a full summary of details for each station.
2.3 Existing Treatment Facilities 2.3.1 Cataraqui Bay Wastewater Treatment Plant The Cataraqui Bay WWTP is a conventional activated sludge plant providing Secondary Treatment and anaerobic digestion for sludge treatment with rated treatment capacities as summarized in Table 2.1.
TABLE 2.1 Cataraqui Bay WWTP Treatment Capacity
Criteria Capacity (m3/day)
Average Capacity 38,800
Primary Treatment Peak Flow Capacity 134,000
Secondary Treatment Peak Flow Capacity 69,200
Existing Dry Weather Flow 20,132
2.3.2 Ravensview Wastewater Treatment Plant The Ravensview WWTP recently underwent a significant capacity and technology upgrade. The new facility utilizes primary sedimentation, secondary treatment (using Biological Aerated Filters), and chlorine disinfection. Sludge treatment is provided by two-stage digestion followed by dewatering for land application.
Treatment capacity for Ravensview is summarized in Table 2.2.
TABLE 2.2 Ravensview WWTP Treatment Capacity
Criteria Capacity (m3/day)
Average Capacity 95,000
Peak Hour Capacity 192,500
Peak Day Capacity 186,000
Existing Dry Weather Flow 65,146
EXISTING SEWAGE INFRASTRUCTURE SYSTEM
2-6 383726A1T7_WBG020310121900OTT
2.4 System Characterization through Model Development A computer simulation model of the Kingston trunk sewer system has been developed by UK and updated, calibrated, and verified. This model was used for the Master Plan to assist with analyzing the system, planning for future system upgrades and examining of alternatives for overflow reduction. The model has also been used, in conjunction with monitoring data collected by UK, to estimate pollutant mass loadings to the receiving water bodies.
The computer model has been developed using the InfoSWMM modelling platform. This modelling tool uses the US EPA’s Stormwater Management Model Version 5 (EPA SWMM 5) to carry out simulation of wet-weather flow response, sewer hydraulics and resulting overflows. EPA SWMM 5 is an “industry standard” modelling tool that has been developed over the last 30 years, and which is widely used throughout North America and elsewhere.
The use of a computer simulation model helps with characterizing the system’s response to wet weather, and can greatly assist with understanding the underlying reasons for overflows. Once it was developed, tested and verified using observed monitoring data, the system model was used to help characterize system performance under various conditions.
It is worth noting that the computer model’s calibration/verification using 2008 data, in particular, means that the model has been tested against data for what was a relatively wet year. From the point of view of ensuring that the model does adequately represent wet-weather system response, this was a favourable situation.
Details of model scenarios are included in Section 3.4.
383726A1T7_WBG020310121900OTT 3-1
3. Future Servicing Requirements
With respect to future servicing requirements, the following list includes the main objectives identified to remain consistent with City and UK policies and the Official Plan:
Provide sufficient capacity to convey wastewater to the receiving wastewater treatment facility without backups in the trunk conveyance system
Ensure adequate pumping station capacity to convey dry and reasonable wet weather flow volumes
Provide adequate capacity at the receiving wastewater treatment facilities to process dry weather flows and reasonable wet weather peak flows
The focus of the current analysis was on determining system requirements to achieve each of the above noted objectives.
3.1 Kingston Sewer Design Standards The City of Kingston Subdivision Development Guidelines and Technical Standards (February 28, 2006 as Amended) include the following standards with respect to sanitary servicing design:
Design flows shall be 350 L/d per person
Population design density based on gross population per hectare will be provided by Planning Division
Contributing industrial, commercial, and institutional design flows shall be considered on a case-by-case basis
Infiltration shall be 0.14 Litres per second per hectare of contributing area
Peaking factors shall be 2.75 for maximum flow and 4.0 for minimum flow as derived from the Harmon formula
Industrial, commercial and institutional design flows shall be considered on a case-by-case basis
The Draft OP states the following densities for various residential land uses, which have been used to derive sewage estimates for vacant lands within the urban boundary:
Low Density Residential land uses include detached dwellings, semi-detached dwellings, duplexes, triplexes, and converted dwellings, that have a density of up to 30 units per net hectare of land in existing areas, unless an approved Secondary Plan establishes alternative provision.
FUTURE SERVICING REQUIREMENTS
3-2 383726A1T7_WBG020310121900OTT
Medium Density Residential land uses include such building types as townhouses, maisonettes, multiple dwelling conversions, and walk-up or low-rise apartments of up to four storeys. The density range extends from 30 to 75 units per net hectare in existing developed areas unless an approved Secondary Plan establishes alternative provision.
High Density Residential land use primarily includes apartments above four storeys with a density of 76 units per net hectare.
For Areas that are included within Approved Secondary Plan Areas, the following land densities were used as stated in the Draft OP:
Cataraqui West Secondary Plan Low Density – 14 to 45 dwelling units per net hectare of land Medium Density – 25 to 75 dwelling units per net hectare of land irrespective of
housing types
Cataraqui North Secondary Plan Low Density – 14 to 56 units per net hectare of land Medium Density – 27 to 75 units per net hectare of land High Density – 27 – 125 dwelling units per net hectare of land
Rideau Community Secondary Plan Low Density - 10 to 30 units per net hectare of land Medium Density – 25 to 45 units per net hectare of land High Density – not to exceed 60 units per hectare of land
3.2 Determination of Sanitary Flows 3.2.1 Domestic Sewage Flows Population estimates were multiplied by the design flow rate of 350 L/cap.d as stated in the City of Kingston Subdivision Development Guidelines and Technical Standards to obtain the average day domestic volume. This flow rate falls within the range of values given for average daily domestic sewage flow without infiltration in the Ministry of Environment Guidelines for the Design of Sanitary Sewage Flows (1985, 2008), which is between 225 and 450 L/cap.d. The average day infiltration was calculated based on the net area of each land use category and the infiltration rate of 0.14 L/s/ha of contributing area as per City of Kingston Subdivision Development Guidelines and Technical Standards. The total average day domestic sewage flow is a sum of the domestic flow and the infiltration. The peak domestic sewage flow rate was calculated based on equations listed in the Ministry of Environment Guidelines for the Design of Sanitary Sewage Flows (1985, 2008) using a peaking factor of 2.75 and a peak extraneous flow rate of 0.14 L/s/ha as per City Guidelines.
3.2.2 Commercial, Institutional and Industrial Sewage Flows The City of Kingston provided a summary map of all available commercial, industrial and institutional development lands within the urban boundary. The amount of vacant commercial, industrial and institutional opportunities to be included in the 2026 growth
FUTURE SERVICING REQUIREMENTS
383726A1T7_WBG020310121900OTT 3-3
scenario was based strictly on the fraction of the population of this scenario relative to the full build-out scenario.
As stated in the City of Kingston Subdivision Development Guidelines and Technical Standards, contributing industrial, commercial, and institutional design flows shall be considered on a case-by-case basis. As stated in The Ministry of Environment Guidelines for the Design of Sanitary Sewage Flows (1985, 2008), where no historical records or flow data are available, a unit value of 28 m3/ha.d average flow should be used for commercial and tourist-commercial areas. For the current analysis, this unit value was also applied to institutional areas, which account for less than 1% of the total area occupied by the three SPAs.
For typical industrial sewage flow allowances, the Ministry of Environment Guidelines for the Design of Sanitary Sewage Flows (1985, 2008) include a range from 35 to 55 m3/ha.d. For the current analysis, a mid-range value of 45 m3/ha.d was used for industrial areas. As noted in the Ministry of Environment Guidelines for the Design of Water Distribution Systems (July 1985), peak usage rates in industrial areas generally range from 2 to 4 times the average usage rate.
For commercial, institutional, and industrial areas, the average day infiltration was calculated based on the net area of each land use category and the infiltration rate of 0.14 L/s per hectare of contributing area as per City of Kingston Subdivision Development Guidelines and Technical Standards.
3.3 City Growth Projections Development Areas identified in the City‘s Draft Official Plan (Draft OP) represent the basis for assessing future sanitary sewage flows, to be serviced by the collection and treatment system. The Draft OP also provides information on the anticipated population growth to planning year 2026, which is identified as the planning horizon for the Sewage Infrastructure Master Plan.
Key highlights in the Draft OP that are relevant to the determination of future sanitary sewage flows include the following:
A medium growth scenario is forecast with a projected population of 133,100 people expected by 2026, representing a total population increase of 15,900 people
Average household size City-wide is projected to decline from the current 2.3 persons to 2.1
Growth will be focused within the Urban Boundary, with an emphasis on infill and redevelopment
Development will occur in the following order: Lands within the urban boundary that have servicing capacity in place and/or have
Area Specific Phasing priority Future Development Areas outside the Urban Boundary Special Planning Areas within the Urban Boundary that become available for
development
FUTURE SERVICING REQUIREMENTS
3-4 383726A1T7_WBG020310121900OTT
The full range of infrastructure will be provided to the Urban Area
Phasing of Development will be influenced by the ability to provide adequate services
For the current analysis, Schedule 3-A (shown as Figure 1-2) from the City’s Draft OP serves as the guiding document on where development will occur within the City and what land uses this development will consist of. Included in Schedule 3-A are three Secondary Plan Areas (SPAs) (Cataraqui West, Cataraqui North, and Rideau Community) which are already experiencing development.
The City completed an update to population and housing projections for the City in 2008. Using 2006 Census Data, three different projection scenarios were defined to cover the likely range of expected results. Results from the analysis state that the expected growth from 2006 to 2026 for the low, medium, and high case projections are 4,800, 15,900, and 27,700 persons, respectively. The City also stated that approximately 85.9% of this growth is expected to occur within the City’s urban boundary assuming the current urban/rural split remains constant.
A summary of committed and pending residential developments for the City was prepared which included the number of units proposed for single family, single detached, townhouse, and multi-family dwellings. Using the persons per unit values and the total number of units proposed for each committed and pending development, it was determined how much development would be required to achieve the mid-range population growth estimate of 13,700 persons for the year 2026 based on order of priority of future developments.
A systematic approach to incorporating sewage flow from future urban development into the sewer system was utilized as follows:
Assume sanitary services will be provided only for development within the current urban boundary as defined in the Draft OP
Initially consider development within the three currently completed SPAs
Assumed timing or priority for new development based on available information from the City on the current planning status for individual properties
Finally, consider the impact of locations identified as Future Planning Study Areas and Special Policy Areas, together with a consideration of the potential impacts of densification and redevelopment, consistent with direction provided in the Draft OP.
3.4 Model Scenario Definition Based on the above noted growth projections, three scenarios were included in the model as follows:
Existing Condition: The system under existing (2008) land use
Future Year 2026: Build-out of priority development areas to achieve Planning Department’s mid-range population project at Year 2026. This scenario results in approximately 44% development of available area inside the City’s urban boundary.
FUTURE SERVICING REQUIREMENTS
383726A1T7_WBG020310121900OTT 3-5
Future Build-Out: Build-out of all potential urban development to the urban boundary per Schedule 3-A of the City’s Draft Official Plan.
The response of the system was modelled for the following conditions:
Dry weather condition: simulation using dry weather data collected during the week of August 22-29, 2008
Design rain events with return periods of 2, 5, 10, 25, 50 and 100 years, using the AES storm distribution and a 12-hour storm duration.
3.5 Sewer System Servicing Objectives Sewer system servicing objectives include criteria that are established to ensure that a particular level of service is provided through the sewage conveyance system. These criteria serve as the benchmarks to which modeling scenarios can be compared in order to assess whether or not various alternatives are providing the required level of service.
Sewer system servicing objectives for the City were defined as follows:
Pumping Stations – provide a minimum firm capacity equal to the projected 10-year wet weather flow from the respective catchment area
Trunk Sewers – provide capacity such that the calculated hydraulic grade line (HGL) does not exceed 0.3 metres above the pipe obvert and remains at least 2 metres below the ground surface.
Wastewater Treatment Facilities – provide adequate capacity for committed and forecast development as required to satisfy the MOE Procedure D5-1 with consideration for the impact of wet weather flows and development timing on the treatment process.
Fundamentally, servicing the separated/partially separated system needs to satisfy the basic requirement of addressing conveyance capacity restrictions related to existing or future development generated flows in the immediate or longer term. System capacity can be provided through increasing conveyance capacity or reduction of wet weather flow in areas subject to high wet weather I/I. Several locations were observed from the provided monitoring data as having higher than typical I/I generated during wet weather events. Systematic investigations supported by system monitoring are needed to track down and eliminate individual sources over time. These activities together would allow for a wet-weather inflow and infiltration reduction strategy to be formulated. However, these investigations will take some time, and may not lead to identification of most sources, and as a result may not necessarily lead to wet-weather flow reduction to the extent that capacity increases could be avoided.
Despite the uncertainty in future results, I/I reduction is considered an important part of an overall sewer management program, and consistent with goals of environmental sustainability. As a consequence, local and/or downstream conveyance capacity (i.e. pipe capacity and/or pumping capacity) is required to address existing problems, and accommodate the expected increases in sewage flows.
FUTURE SERVICING REQUIREMENTS
3-6 383726A1T7_WBG020310121900OTT
A list of specific alternatives for dealing with conveyance capacity issues identified within the modelled portion of the separated systems was formulated. The evaluation of these alternatives centered on whether to reduce the wet-weather problems by source elimination, or whether to increase pipe or pumping capacities at strategic locations.
3.6 Sewer System Requirements The Master Plan review of the sewer infrastructure system focused on capacity issues. With the exception of the critical Ravensview Trunk Sewer, current condition, life cycle renewal needs, and a long term approach to asset management have not been specifically considered in the analysis. Recommendations in this Master Plan focus on providing sufficient hydraulic conveyance and treatment capacity to service existing and future development in the City of Kingston.
Decision-making specifically related to the ultimate timing for implementation of recommended projects, and the overall approach to sewer system management should consider the following:
Observed versus modeled flows – System modeling is based on specific assumptions and calibration using available monitoring data. Pre-construction monitoring, carried out one to two years in advance of assumed implementation timing, should be used to confirm ultimate timing for capacity purposes.
Life Cycle replacement – Recommended timing for implementation of Master Plan recommendations should be adjusted as required to address system condition and replacement / renewal requirements.
Local sewer requirements – Analysis has focused on trunk sewer capacity requirements. Existing local sewer capacity issues should continue to be reviewed on an as-required basis, and life cycle replacement / renewal addressed through an asset management program.
Utilities Kingston is already well established in terms of condition-related assessments of their system through programs such as the recent pumping station condition assessment project and the ongoing CCTV investigations. Utilities Kingston is also proceeding with implementation of an Asset Management system to guide decision making related to life cycle operations, maintenance and replacement of the sanitary sewer system.
The following sections summarize the recommended capital projects and monitoring programs required to service new growth and to address the goal of “virtual elimination” of CSOs. Opinions of Probable Cost (OPC) provided are considered to be order of magnitude, budget level costs with an accuracy of +50%/-30%, consistent with the conceptual nature of the projects. Each OPC includes a 50% allowance on a base cost to provide a contingency and for own forces and engineering costs for EA, Design and Construction.
3.6.1 Trunk Sanitary Sewers Table 3.1 summarizes trunk sanitary sewer upgrades required to ensure adequate conveyance capacity is available for future growth within the City of Kingston.
FUTU
RE
SER
VIC
ING
REQ
UIR
EMEN
TS
3837
26A1
T7_W
BG02
0310
1219
00O
TT
3-7
TAB
LE 3
.1
Sum
mar
y of
Rec
omm
ende
d G
row
th R
elat
ed C
apita
l Pro
ject
s fo
r Tru
nk S
ewer
s
Pro
ject
R
eco
mm
end
ed
Up
gra
de
Op
inio
n o
f P
rob
able
Co
st
($-2
010)
EA
R
eq’t
s N
ote
s
Up
gra
de
Tim
ing
WE
ST
Col
lins
Ba
y C
olle
ctor
U
pgra
de P
555
to P
563
to 3
00
-mm
(53
9 m
)
Upg
rade
P56
4 to
P56
8 to
37
5-m
m p
ipe
(367
m)
$90
0,00
0
A+
E
A a
ssum
es a
ll w
ork
in e
sta
blis
hed
City
rig
hts-
of-w
ay.
B
y 2
026
Nor
thw
est
Col
lect
or
Upg
rade
from
450
mm
pip
e to
525
mm
pip
e
(1,0
43 m
) fr
om s
outh
wes
t cor
ner
of M
ayf
air
Cre
sce
nt, a
lon
g P
embr
idge
Cre
scen
t to
Mac
kay
Str
eet (
at ju
nctio
n w
ith N
orth
cen
tral
Col
lect
or)
$1,4
00,
000
A
+
Thi
s po
rtio
n of
NW
col
lect
or r
epre
sent
s bo
ttlen
eck
that
cur
rent
ly d
oes
not p
rese
nt
subs
tant
ial p
robl
em, b
ut w
hic
h be
com
es a
pr
oble
m u
nde
r fu
ture
con
diti
ons
. EA
as
sum
es a
ll w
ork
in e
stab
lish
ed C
ity r
ight
s-of
-wa
y.
By
202
6
EA
ST
Hig
hw
ay
15
Tru
nk
Upg
rade
1,0
48m
of 3
50-m
m p
ipe
to 4
50-
mm
pi
pe;
Upg
rade
652
m o
f 400
-mm
pip
e to
450
-mm
pi
pe;
$2,0
00,
000
A
+
Upg
rade
tim
ing
to H
igh
wa
y 15
trun
k se
wer
sh
ould
be
verif
ied
thro
ugh
per
iodi
c m
onito
ring
.
Be
yon
d 20
26
Rav
ensv
iew
Tru
nk
with
Pro
pos
ed
Lon
g-T
erm
CS
O
Red
uctio
n S
tra
teg
y in
Pla
ce
Tw
inni
ng o
f 3,4
00 m
of e
xist
ing
pip
e to
pro
vide
re
dund
anc
y of
this
crit
ical
sys
tem
ele
men
t, an
d al
low
for
tem
pora
ry s
hut
-do
wn
and
m
aint
ena
nce
of
exis
ting
pipe
.
Thi
s up
grad
e w
ill a
lso
serv
e to
con
trol
or
elim
inat
e w
et-w
eat
her
sur
char
ging
be
yon
d 10
-ye
ar e
vent
.
$9,2
00,
000
B
In
larg
e ev
ents
(e.
g. g
reat
er th
an 1
0-ye
ar)
cont
rol o
f sur
char
gin
g in
ups
trea
m s
ew
er
will
dep
end
on in
flow
con
trol
at
head
wo
rks
of R
aven
svie
w W
PC
P. E
A b
ased
on
assu
me
d re
quir
emen
ts fo
r pr
ope
rty
/ ea
sem
ents
.
No
w
CE
NT
RA
L
Prin
cess
St.
Col
lect
or
Upg
rade
exi
stin
g 30
0-m
m a
nd
375-
mm
pip
e
from
vic
inity
of K
ings
ton
Ce
ntre
do
wn
to
Hill
enda
le A
venu
e (le
ngth
of 8
43 m
) to
45
0-m
m
pip
e an
d u
pgra
de e
xist
ing
375-
mm
pip
e to
600
-m
m fr
om H
illen
dale
Ave
nue
do
wn
to c
onne
ctio
n to
Nor
th E
nd T
runk
Se
we
r (a
t Par
kwa
y) (
leng
th
of 8
85 m
)
$2,4
00,
000
A+
Min
otor
to c
onfir
m e
xist
ing
flow
s. N
o su
rcha
rge-
rela
ted
pro
blem
s n
oted
to d
ate.
EA
ass
umes
all
wo
rk in
est
abl
ishe
d C
ity
right
s-of
-wa
y. M
onito
ring
re
qui
red
to
conf
irm ti
min
g fo
r ne
ed.
No
w
FUTURE SERVICING REQUIREMENTS
383726A1T7_WBG020310121900OTT 3-8
3.6.2 Sanitary Sewage Pumping Stations Table 3.2 summarizes sanitary sewage pumping station upgrades required to ensure adequate conveyance capacity is available for future growth within the City of Kingston.
3.6.3 Wastewater Treatment Plants Table 3.3 summarizes wastewater treatment plant upgrades required to ensure adequate treatment capacity is available for future growth within the City of Kingston.
FUTU
RE
SER
VIC
ING
REQ
UIR
EMEN
TS
3837
26A1
T7_W
BG02
0310
1219
00O
TT
3-9
TAB
LE 3
.2
Sum
mar
y of
Rec
omm
ende
d G
row
th R
elat
ed C
apita
l Pro
ject
s fo
r Pum
ping
Sta
tions
Pro
ject
R
eco
mm
end
ed
Up
gra
de
Op
inio
n o
f P
rob
able
Co
st
($-2
010)
EA
R
equ
ire-
men
ts
No
tes
U
pg
rad
e T
imin
g
WE
ST
Da
ys R
d. P
S
Wet
wea
ther
inflo
w r
educ
tion
or u
p to
12
0 L/
s ca
paci
ty in
crea
se n
eede
d to
ens
ure
no
surc
har
ge to
th
e 10
-ye
ar le
vel a
t F
utur
e 20
26 a
nd
beyo
nd
$2,5
00,
000
A
+
Fut
ure
mon
itori
ng r
equi
red
to d
eter
min
e th
e su
cces
s of
I/I r
educ
tion
mea
sure
s pr
ior
to
incr
eas
ing
pum
pin
g st
atio
n ca
paci
ty.
Cos
t est
imat
e an
d E
A r
equi
rem
ents
to b
e ve
rifie
d ba
sed
on d
eta
ils o
f exp
ansi
on (
pum
p
repl
acem
ent
ver
sus
faci
lity
exp
ansi
on).
By
202
6
Mon
a D
rive
PS
In
crea
se fi
rm c
apac
ity b
y a
ppr
oxi
mat
ely
10 L
/s to
ha
ndl
e 10
-ye
ar p
eak
flow
, up
to fu
ture
bui
ld-o
ut
cond
ition
$1,0
00,
000
A
+
Mon
itori
ng is
req
uire
d to
co
nfirm
nee
d fo
r ex
pans
ion
base
d on
act
ual o
bser
ved
flow
s.
Cos
t est
imat
e an
d E
A r
equi
rem
ents
to b
e ve
rifie
d ba
sed
on d
eta
ils o
f exp
ansi
on (
i.e.
pum
p re
plac
em
ent v
ersu
s fa
cilit
y e
xpan
sion
).
Bey
ond
202
6
Fro
nt R
d. P
S
Incr
ease
firm
cap
acity
by
33
L/s
to m
eet m
inim
um
requ
irem
ent
to h
andl
e 10
-ye
ar p
eak
flow
, up
to
futu
re b
uild
-out
con
ditio
n
$1,5
00,
000
A
+
Cos
t est
imat
e an
d E
A r
equi
rem
ents
to b
e ve
rifie
d ba
sed
on d
eta
ils o
f exp
ansi
on (
pum
p
repl
acem
ent
ver
sus
faci
lity
exp
ansi
on).
Bey
ond
202
6
Wes
tbro
ok P
S
Incr
ease
firm
cap
acity
to m
eet
min
imum
req
uire
men
t to
han
dle
10-
year
pe
ak fl
ow
, up
to fu
ture
bu
ild-o
ut
cond
ition
$1,5
00,
000
C
ompl
ete
E
nviro
nmen
tal A
sses
smen
t has
bee
n co
mpl
eted
and
Cof
A a
men
de
d to
per
mit
wor
k as
soo
n as
pu
mp
capa
city
be
com
es
insu
ffici
ent
Whe
n re
quire
d ba
sed
on
flow
m
onito
ring
EA
ST
But
tern
ut
Cre
ek P
S
Pum
ping
ca
paci
ty u
pgra
de n
eed
ed to
ha
ndle
pr
ojec
ted
urba
n gr
ow
th in
Rid
eau
Com
mun
ity
beyo
nd Y
ear
202
6 (in
con
junc
tion
with
upg
rade
to
Hig
hw
ay
15
trun
k sa
nita
ry s
ew
er.
Pum
ping
cap
acity
in
cre
ase
of a
ppr
oxi
mat
ely
40 L
/s (
to c
apac
ity o
f 200
L/
s) w
ill b
e re
qui
red.
$1,5
00,
000
A
+
Cos
t est
imat
e an
d E
A r
equi
rem
ents
to b
e ve
rifie
d ba
sed
on d
eta
ils o
f exp
ansi
on (
pum
p
repl
acem
ent
ver
sus
faci
lity
exp
ansi
on).
Bey
ond
202
6
B40
PS
In
crea
se fi
rm c
apac
ity b
y 3
0 L
/s to
mee
t 10-
year
ca
paci
ty u
nder
exi
stin
g co
ndi
tions
$1
,50
0,00
0
A+
N
o si
gni
fica
nt c
han
ge in
flo
ws
und
er fu
ture
gr
ow
th s
cena
rios
. Cos
t est
imat
e an
d E
A
requ
irem
ent
s to
be
verif
ied
bas
ed o
n de
tails
of
expa
nsio
n (p
um
p re
plac
eme
nt v
ersu
s fa
cilit
y ex
pans
ion)
.
No
w
FUTU
RE
SER
VIC
ING
REQ
UIR
EMEN
TS
3-10
38
3726
A1T7
_WBG
0203
1012
1900
OTT
TAB
LE 3
.2 C
ON
TIN
UED
Su
mm
ary
of R
ecom
men
ded
Gro
wth
Rel
ated
Cap
ital P
roje
cts
for P
umpi
ng S
tatio
ns
Pro
ject
R
eco
mm
end
ed
Up
gra
de
Op
inio
n o
f P
rob
able
C
ost
($-
2010
)
EA
R
equ
irem
ents
N
ote
s
Up
gra
de
Tim
ing
CE
NT
RA
L
Por
tsm
outh
PS
80
-90
L/s
pum
pin
g ca
pac
ity u
pgra
de
nee
ded
to e
nsur
e 10
-ye
ar c
apa
city
un
der
exis
ting
and
futu
re b
uild
-out
con
diti
ons
$2,5
00,
000
A
+
Wet
-we
athe
r in
flow
inve
stig
atio
n an
d re
duc
tion
prog
ram
rec
omm
end
ed w
ithin
the
ser
vice
are
a to
av
oid
need
for
pum
pin
g st
atio
n ca
paci
ty
incr
eas
es. C
ost
estim
ate
and
EA
req
uire
men
ts to
be
ver
ified
bas
ed o
n d
etai
ls o
f exp
ansi
on
(pu
mp
repl
acem
ent
ver
sus
faci
lity
exp
ansi
on).
No
w o
r de
ferr
ed
base
d on
ap
proa
ch to
w
et w
eat
her
I/I
red
uctio
n
TAB
LE 3
.3
Sum
mar
y of
Rec
omm
ende
d G
row
th R
elat
ed C
apita
l Pro
ject
s fo
r Was
tew
ater
Tre
atm
ent P
lant
s
Pro
ject
R
eco
mm
end
ed
Up
gra
de
Op
inio
n o
f P
rob
able
C
ost
($
-201
0)
EA
R
equ
irem
ents
N
ote
s U
pg
rad
e T
imin
g
WE
ST
Cat
ara
qui B
ay
WW
TP
Exp
ans
ion
U
pgra
de to
Ave
rag
e D
ay
Flo
w R
ate
of
45,0
00
m3/d
ay
and
add
ress
wet
w
eat
her
byp
asse
s
Upg
rade
from
45,
000
m3/d
ay
to
Ave
rag
e D
ay
Flo
w R
ate
of 5
8,00
0 m
3/d
ay
$18,
000
,000
$25,
000
,000
C C
EA
wor
k re
quir
ed to
con
firm
site
co
nfig
urat
ion,
app
roac
h to
wet
we
athe
r flo
w m
anag
emen
t, tr
eatm
ent
appr
oach
, and
out
fall
requ
ire
men
ts.
Initi
ate
EA
no
w to
ad
dres
s lim
ited
un
com
mitt
ed
capa
city
and
wet
w
eat
her
pe
ak fl
ow
s
Be
yon
d 20
26
383726A1T7_WBG020310121900OTT 4-1
4. Combined Sewer System Requirements
Sewersheds contributing to the combined sewer system are primarily fully developed with limited area for new development. The combined sewer system was analyzed independently from the balance of the system with a specific focus on the reduction and long term goal of “virtual elimination” of combined sewer overflows. The 2010 Pollution Control Plan Update Report provides a detailed overview of the model analysis and review of options and alternatives for addressing combined sewer overflows and advancing the goal of “virtual elimination”. The following provides a summary of the analysis, results and recommendations.
The guiding principles that formed the basis of analyzing and ranking alternatives for future servicing include:
Environmental Protection: Minimize pollutant loadings to the waterfront by minimizing and ultimately eliminating any sewage discharge, and also treating “first flush” of polluted stormwater
Best Use of Infrastructure: Maximize the use of existing infrastructure capacity (conveyance, pumping, and treatment capacity)
Adaptability: Implement system upgrades that can be adapted to changing conditions, or which can be adjusted as better information on system behaviour is obtained through ongoing monitoring and investigations
Integration with Urban Core Improvements: The approach to overflow reduction needs to be adapted to, and integrated with, ongoing improvements and redevelopment within the Kingston central core area. The high-level storm overflow approach meets this requirement as it can be implemented over time, as individual sewer separation projects take place either as part of road reconstruction projects or as part of block redevelopment in the downtown area.
4.1 MOE Procedure F-5-5 MOE Procedure F-5-5 outlines the treatment requirements for municipal and private combined and partially separated sewer systems. The Procedure addresses the following management goals:
Eliminate dry-weather overflows from sewage collection systems (i.e. separated sanitary sewers and combined sewers, and associated pumping stations).
Minimize the potential for impacts on human health and aquatic life resulting from CSOs.
COMBINED SEWER SYSTEM REQUIREMENTS
4-2 383726A1T7_WBG020310121900OTT
Control overflows from remaining combined-sewer systems, to the following minimum requirements:
Volume Capture Requirement: For the April-October period of a year with typical or average rainfall, capture a minimum of 90% of the wet-weather flow (i.e. a maximum of 10% of the wet-weather flow can overflow).
Beach protection requirement: Achieve, as a minimum, compliance with body contact recreation water quality objectives at beaches impacted by CSOs for at least 95% of the four-month period (June 1 to September 30, 122 days) for an average year. This requirement is presumed to be met if for the June-September period, there are no more than 2 overflows and maximum total overflow duration of 48 hours.
The performance of the existing system has been evaluated to determine whether the existing system meets these minimum CSO control requirements.
4.1.1 Procedure F-5-5 Volumetric Requirements The model has been used to examine the response of the existing system under the three land-use (i.e. sewage flow) scenarios previously described.
The purpose of looking at the existing system response under these three scenarios (i.e. Existing System, Future Year 2026 and Future Build-out) as described in Section 3.3 was to examine the net effect that future increases in sewage flows would have on wet-weather overflows. Increases in sewage flows due to development will reduce the amount of sewer and pumping station capacity available to handle wet-weather flows, and so can be expected to increase the frequency and volume overflows. Analyses were completed to quantify these expected increases in overflows.
Initial model runs were also completed to quantify the impact of development on dry-weather conditions. Results from this analysis indicate that there are no CSOs resulting from dry-weather flows under either the existing condition or under the two future development scenarios.
Conformance with the volumetric control requirements of MOE Procedure F-5-5 has been based on simulating system response to the rainfall of April 1 to October 31, 1987. Results show that the existing system exceeds the MOE Procedure F-5-5 minimum requirement for 90% capture of wet-weather flow volume under all three land-use scenarios. The model results reflect the fact that the limited nature of future development in central Kingston contributing to the combined sewer system will not cause large increases in sewage flows along the trunk sewer system.
Further examination of model results for the June 1 to September 30 period of the typical year shows that there were two overflow events in that period, occurring on July 3 and September 8, 1987, with the September 8 event accounting for 95% of total overflow volume. The model shows overflow occurring at six locations (with the trunk overflow at West Street accounting for 98% of the overflow volume), with total simulated duration of overflow of approximately 17 hours. This level of CSO control meets the MOE Procedure F-5-5 minimum standard for “beach protection”. Refer to the completed MOE Procedure F-5-5
COMBINED SEWER SYSTEM REQUIREMENTS
383726A1T7_WBG020310121900OTT 4-3
checklist included in Appendix A for a summary of system conformance as per results listed above for the existing system.
The previous PCP Update (2000) had recommended a number of actions to reduce CSO in central Kingston, with the objective of achieving full conformance with MOE Procedure F-5-5. The current analysis indicates that the existing system exceeds the minimum CSO control requirements set out in MOE Procedure F-5-5. This outcome reflects the significant investment in infrastructure improvements that UK and the City have made since the previous PCP Update was completed in 2000. This investment includes such projects as the upgrade to the River Street PS and new forcemains across the Greater Cataraqui River, the new CSO Tanks at Emma Martin Park and Collingwood Street, twinning of a portion of the Harbourfront Trunk Sewer, as well as a number of sewer inspection, clean-out, rehabilitation and separation projects.
4.1.2 Procedure F-5-5 Non-Volumetric Requirements In addition to the volumetric requirements, MOE Procedure F-5-5 requires other specific items be addressed. Additional works or efforts required to achieve conformance with these other, non volumetric control, aspects of MOE Procedure F-5-5 are summarized in Table 4.1.
TABLE 4.1 Control Requirements
Category Description
Floatables Control UK’s Floatables Control Program should be formally documented.
Floatables Control As part of a formal, documented Floatables Control program, UK should formalize post-event clean-up practices, focusing on areas of historical concern.
Floatables Control Screening of CSO’s should be implemented at the O’Kill Street Pumping Station and CSO tank, and at the Harbourfront Trunk Sewer overflow at the West Street boat ramp.
Monitoring Permanent monitoring equipment for overflows should be installed at the O’Kill Street Pumping Station and CSO tank overflow locations, and at other strategic Pump Station locations where overflows are observed but not currently monitored.
Monitoring Permanent monitoring equipment should be considered for installation at priority CSO locations (Barrack Street, Queen Street, Belle Park). Installation of equipment should consider the timing of proposed future capital works intended to reduce or eliminate overflows from these locations.
Monitoring Deployment and relocation of the existing temporary monitors should continue on a rotational basis.
As a tool for review of PCPs, the MOE has developed a standard checklist. The checklist highlights the degree to which a PCP conforms to MOE Procedure F-5-5 and provides a comprehensive check on the validity of the PCP. A completed copy of the MOE checklist for this PCP Update is included in Appendix A.
4.2 Long Term Goals The City of Kingston has committed to advancing beyond the requirements of MOE Procedure F-5-5 towards a long-term goal of “virtual elimination” of CSOs. This goal
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highlights the City’s desire to be leaders in the Province and Country in CSO mitigation and to progress the City towards a sustainable future.
The following sections outline the recommendations for system improvements required to advance towards the goal of “virtual elimination” of CSOs. Recommendations are presented for improved environmental stewardship, vis-a-vis CSO reduction, but should not be considered firm obligations or commitments under current regulations and guidelines. However, based on historical changes, environmental regulations are expected to continue to become more stringent in the future. By embracing a long term goal of “virtual elimination” of CSOs, Kingston is taking appropriate steps toward long term compliance with potential future regulations.
The analysis of the combined sewer system was based on examining the system response to rainfall for the period from April 1 to October 31, for the “typical year” 1987, and for the “wet year”, 2008, primarily because it is the period of concern addressed in MOE Procedure F-5-5. This April to October time period is especially important when a main concern is bacteriological contamination of waterfront areas and the resulting impacts on recreational use of local waterways during the summer.
However, as shown by the system monitoring data collected by UK in 2008, a portion of recorded system overflow occurred outside this time window, especially during winter thaws and the spring melt/thaw period prior to April 1.
While the CSO reduction strategy presented in the next section is based on analysis of the April to October period, implementation of the proposed strategy should also result in reduction of CSO in the November-through-March period. The degree, or percentage, reduction in CSO volume during this period may or may not be as high as achieved during the April to October period. Long-term monitoring is required to fully quantify the improvements.
In the case of CSO reduction and “virtual elimination” in central Kingston, the alternatives relate primarily to various interim measures that could be used to obtain interim reductions as the City and UK work towards the ultimate solution of full sewer separation using the high-level stormwater overflow approach. These potential interim measures must be evaluated particularly with respect to how well they fit with or can be integrated within the long-term solution. This aspect of the evaluation has been emphasized in the evaluation of selected alternatives.
4.3 Pollution Control Plan Update – Recommended Projects An order of preference for alternatives was established for both long-term projects and for interim measures to achieve the project objectives as follows:
1. Long term sewer separation 4. Capacity and conveyance system upgrades 2. Operational changes and improvements 5. Storage 3. Structural changes and improvements
The provided order of preference guided the analysis, review of alternatives, and selection of recommended options specifically for existing combined sewer areas.
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The following table, Table 4-2, provides a summary of the specific recommended capital projects for the updated PCP resulting from the analysis of the various alternatives. Table 4-2 should be reviewed for individual CSO location recommendations where the focus is on actions or activities as part of the long term sewer separation program.
TABLE 4.2 Summary of Recommended Capital Projects
Project Description Opinion of Probable Cost
($-2010) EA Requirements
Source Controls
Sewer Separation*+
Area 1 $32,000,000 Schedule A+, assuming all work is within right-of-way, without unusual environmental conditions
Area 2 $23,500,000 Schedule A+, assuming all work is within right-of-way, without unusual environmental conditions
Area 3 $6,900,000 Schedule A+, assuming all work is within right-of-way, without unusual environmental conditions
Area 4 $14,500,000 Schedule A+, assuming all work is within right-of-way, without unusual environmental conditions
Area 5 $14,600,000 Schedule A+, assuming all work is within right-of-way, without unusual environmental conditions
Area 6 $22,400,000 Schedule A+, assuming all work is within right-of-way, without unusual environmental conditions
Conveyance Controls
North Harbourfront Trunk Sewer Twinning – 840 m of 1,220 mm dia sewer including new structure at Belle Park chamber and tie in at RSPS
$1,400,000 Schedule A+, assuming that all work is within the right-of-way, without unusual environmental conditions
West Street CSO improvements - Raise overflow weir to HTS at West St, boat ramp by 0.8m
$600,000 Schedule B
River Street Forcemain Twinning Completion – Twinning of 960 m of existing forcemain
$1,500,000 Schedule C recommended (based on the assumed need for land acquisition and federal input to the EA process)
End-of Pipe Options
O'Kill Street CSO Screening and Flow Monitoring
$2,000,000 Schedule B (unless impacted by in-water work or other federal approvals)
West Street Outfall Replacement
$1,500,000 Schedule C plus CEAA, assuming in-water work is required
West Street CSO Screening $1,500,000 Schedule B (unless impacted by in-water work or other federal approvals)
Notes: * Opinion of probable costs for sewer separation based on total cost of integrated rehabilitation program; + Refer to Figure 2-2 for map of sewer separation areas
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The following table, Table 4-3, provides a summary of the specific recommended monitoring programs for the updated PCP.
TABLE 4.3 Summary of Recommended Programs
Category Description
Storm Outfalls Design of a program to assess waterfront impacts from storm outfalls including LO5 (Portsmouth Harbour near King St.), LO9 (Albert St.) and GC8 (Great Cataraqui River just below Belle Park) per 2000 PCP Update recommendations.
Storm Outfalls Review data collection, inspection and monitoring protocols for storm outfalls.
Floatables Control UK’s Floatables Control Program should be formally documented.
Floatables Control As part of a formal, documented Floatables Control program, UK should formalize post-event clean-up practices, focusing on areas of historical concern.
CSO/PSO Monitoring Installation of monitoring equipment at O’Kill Street PS and CSO tank as part of any future planned capital works.
CSO/PSO Monitoring Installation of overflow monitors at permanent locations (e.g. pumping stations, CSO locations) as part of future capital projects or as resources become available.
CSO/PSO Monitoring Installation of permanent monitoring equipment at priority CSO locations (Barrack Street, Queen Street, Belle Park). Installation of equipment should consider the timing of proposed future capital works intended to reduce or eliminate overflows from these locations.
CSO/PSO Monitoring Continued use of temporary monitors in areas with existing CSOs and that are subject to upcoming capital improvements to continue characterizing the response of existing CSOs during rainfall events (UK program already in place).
A complete listing of the site-by-site recommended actions for all CSO locations has also been developed and is included in the Pollution Control Plan Update document.
4.4 System Performance Following Recommended Upgrades
The anticipated system performance was evaluated based on the implementation of the recommended measures. Table 4.4 summarizes the results of this evaluation in terms of overflow reduction.
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TABLE 4.4 Modelled CSO overflows and Impacts following Implementation of Recommended Long Term Plan
Existing System Recommend Long-term Plan
Wet-weather flow volume from all combined-sewer catchments
1,120,551 m3 1,120,551 m3
CSO volume (m3) 138,982 m3 13,473 m3
(94.4% reduction)
Newly separated stormwater volume discharged to waterfront (via HLSO separation)
- 441,395 m3
Percentage of wet-weather flow (stormwater) captured from combined-sewer area
88% 61%
Pollutant Load Estimates:
TSS 20,847 kg 34,849 kg
BOD5 4,169 kg 4,010 kg
E.coli 556,000 billions 126,000 billions
Notes: The “recommended long-term plan” is comprised of the following system modifications:
Full sewer separation within the remaining combined-sewer area, using the HLSO approach
Ensuring River Street PS firm capacity of 1,750 L/s;
Raising the trunk overflow at West Street to 75.50 m;
Installing new sewer to convey overflow from Belle Park structure south to River Street PS inlet chamber.
Results above based on system model using rainfall for April-October 2008.
Results are based on future build-out sewage flows.
Results do not reflect improvements related to long-term I/I reduction in the separated system.
Loads from CSO based on representative concentrations (TSS 150 mg/l; BOD5 30 mg/l; E.coli 400,000 #/100mL).
Loads from separated storm sewers based on following representative concentrations derived from various literature sources: TSS 100 mg/L; BOD5 10 mg/L; E.coli 20,000 #/100mL. Literature sources include US EPA (1983a and 1983b), Heaney et al. (1999), Pitt et al. (2004), Saget at al. (1998), Marsalek (1991) and ASCE (2005).
Under the recommended long-term plan, the remaining CSO volume of 13,473 m3 indicated in the above table is the modelling result obtained with the assumption of no net reduction in wet-weather infiltration/inflow (I/I) entering older separated sewers systems in central Kingston, such as those tributary to the Portsmouth and North End Pumping Stations. The modelling analysis has shown that in a wet year, this wet-weather influence on the separated sanitary system, if not reduced, will be enough to cause surcharging and overflow from the Harbourfront Trunk Sewer system, primarily at the West Street trunk overflow. The model indicates that a 40% to 50% reduction in wet-weather I/I entering separated sewers would lead to complete elimination of overflows (in conjunction with all other components of the recommended long-term plan). Therefore, the long-term sewer separation program needs to be accompanied by continuing efforts to locate and eliminate sources of wet-weather I/I entering existing separated sewers.
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5. Additional Recommended Initiatives
In addition to recommendations detailed in Section 4 related specifically to CSOs in the central portion of the City, an analysis of the entire system was also completed to identify alternatives for advancing the City’s goal of “virtual elimination” of CSOs as well as providing adequate capacity for projected growth within the City’s urban boundary. The following sections include a summary of the recommendations related to the entire sewer system.
5.1 Non-Capital Works Initiatives Monitoring It is recommended that existing system monitoring programs be maintained to monitor and confirm the results of system modifications and to provide additional information to assist with final planning and design of recommended works. Sewer locations recommended for future capacity increases should be monitored periodically to confirm the need for and timing of upgrade work.
Efforts should continue to identify and address existing separated sewer areas that have high wet-weather inflow. Accordingly, the system monitoring program should continue to include sewer flow monitoring at strategic locations within separated systems, in an effort to home in on separated sewer areas that are subject to high wet-weather inflow problems. CSO locations in areas undergoing sewer separation are also good candidates for monitoring to confirm modelling results and verify the effectiveness of separation efforts.
Based on the monitoring data collected to date and the results of the system modelling, the tributary area to Portsmouth PS is a primary candidate area for investigating and addressing wet weather induced I/I. The high ratio of wet weather to dry weather flows upstream of the pumping station, and the fact that this is the “top end” of the collection system through downtown are conditions that indicate a good potential return on investment for I/I reduction.
Modelling Ongoing modelling efforts should use additional monitoring data to continue improvement to the existing tool. Expansion of the model to include additional pipe links will improve the usefulness of the tool for reviewing local street level problems and for analysing the impact of site specific CSO location elimination. As spring conditions continue to generate sewer system overflows, further efforts to expand to better characterize and model spring runoff conditions would be beneficial.
Climate change knowledge will continue to develop and expand in future years. In addition, additional collected annual rainfall data will provide the opportunity to review and update IDF curves and design storms for use in system simulation. The additional knowledge and data should be applied following a risk-based approach when evaluating future project needs from within the overall asset management program, and on the potential impact of climate change on customer level of service provided by the collection system.
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5.2 Wet Weather Inflow Reduction The InfoSWMM modelling identified a number of trunk-sewer capacity issues within the modelled portion of the sewer system. As well, some capacity issues related to pumping stations that serve only separated areas have been identified, as presented above.
Capacity issues identified under existing conditions are related primarily to the effects of wet weather on the separated and partially separated sanitary sewer systems. Wet weather is causing flow increases that in some catchment areas are greater than those assumed for during sanitary sewer design. Table 5.1 provides a summary of the wet weather I/I calculated from monitoring data, and identifies locations where observed I/I exceeds the sewer design assumption of 0.28 L/s/ha.
TABLE 5.1 Estimated maximum wet-weather Inflow Rates to Separated Sewer Areas Based on System Monitoring Data from 2008
Monitoring Location
Service area
Estimated peak wet-weather inflow based on recorded data
for 2008
Exceeds I/I Design
Allowance
L/s L/s/ha
Sewer Monitor “W1”: North-West Collector on Pembridge Cr. At Kilburn
285 ha 140 0.49 Y
North End PS 919 ha 650 0.71 Y
Portsmouth PS 392 ha 170 0.43 Y
Sewer Monitor “C1”: North End Trunk Sewer at Parkway Avenue
385 ha 330 0.86 Y
Sewer Monitor “C6”: Portsmouth Avenue at Champlain St.
75 ha 40 0.53 Y
Sewer Monitor “Kingston14”: North End Outfall Sewer, near Railway and Montreal Streets (off Railway St near Levac Supply)
1,001 ha (includes all flow from North
End PS)
710 0.71 Y
B-64 Pumping Station 82 ha 60 0.73 Y
With respect to the monitoring results for the North End Outfall Sewer, the apparently high wet-weather I/I in the sewer actually reflects the high I/I from the upstream North End PS system, which comprises most of the area draining to the North End Outlet Sewer. Therefore the main focus should be on continuing with current programs to reduce I/I in the North End PS service area.
Monitoring data from 2008 indicated that the King Street West system between Portsmouth PS and O’Kill PS was subject to a substantial increase in dry-weather flow (approximately 140 L/s) along this section of the system. This increase could not be explained by applying average sewage generation rates to the tributary service area, or through considering of available water-use data. The increase in dry-weather flow is attributable to higher dry-weather infiltration along this older sewer system; or it could be that some of the unique land uses in this area (i.e. hospital facilities, Queen’s University facilities etc.) are generating higher sewage flows than expected. Dry-weather inspections and flow monitoring should be carried out to better understand dry-weather flow sources in this portion of the system.
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UK continues to work on investigating and correcting sources of wet-weather inflow. Examples include recent projects involving clean-out and rehabilitation of the North End Trunk Sewer, Harbourfront Trunk Sewer, Palace Road Pumping Station catchment, and other local sanitary sewers within the City. In particular, UK has undertaken considerable effort to reduce I/I in the North End system. Staff plan to review the data collected from this particular system in 2009 and 2010 in order to direct future rehabilitation efforts. Investigations into wet weather I/I and sewer capacity at the local sewer scale should also focus on areas of historical basement flooding in the City. In addition, pursuit of I/I reduction in areas of partial sewer separation through weeping tile, sump pump and roof leader discussion should continue.
5.3 Program and Policy Recommendations UK and the City currently have a number of policies, procedures, and bylaws related to pollution prevention and control, source controls of wet weather flows, and other measures directly relevant to pollution control planning. The following provides recommendations on system-wide policies and programs and site specific infrastructure upgrades should be continued or considered by UK to address CSOs and the resultant discharge of pollutants.
5.3.1 Categories of Control Alternatives Alternatives available to mitigate the occurrence and impact of CSOs can be grouped into three main categories:
Source Controls – Water use methods such as water conservation or lot level methods that remove, capture, or slow the flow of stormwater that may be directed to the storm, combined or sanitary sewer system. Source control alternatives may be applied at a lot level or system wide through municipal programs and policies.
Conveyance Controls – Methods of storing, slowing and/or staggering the flow of excessive amounts of combined sewage in the sewer system during wet weather events. Conveyance controls can address site specific issues or can be included in system wide maintenance programs.
End-of-Pipe Controls – These controls occur at the end of a flow conveyance system or outfall. They often include some form of storage or treatment.
5.3.2 System-Wide Policies and Programs – Source Controls System wide policies and programs address various source control and conveyance alternatives. These policies and programs were reviewed to determine which were currently being undertaken by the City and how these policies and programs could be enhanced and any additional policies or programs which could be added to improve the operation and maintenance of the collection system and, ultimately, improve performance and reduce pollutant discharges. Refer to the Pollution Control Plan Update for the City of Kingston (2010) for a full description of control recommendations related to pollution control and overflow abatement. A summary of these recommendations is provided below
Modifications to Existing Programs:
Toilet Replacement Program –It is recommended that this program be continued with a focus on public education to highlight the effect that individuals can have within their
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residences to reduce the frequency and volume of CSOs at receiving watercourses. UK should also consider expanding the toilet replacement program via rebates or full compensation.
Rain Barrel Program - It is recommended that this program be continued with a focus on public education related to the role and effectiveness of rain barrels on reducing CSOs. Financial incentives should be considered to compensate homeowners for the cost of disconnection to encourage greater participation.
Roof Leader and Foundation Drain Disconnection Program – To date, UK has undertaken localized mailouts and education programs to increase awareness of the benefits of roof leader and foundation drain disconnection in particular areas of the City. It is recommended that such public education programming be expanded to the City-wide level to maximize the effectiveness of this initiative. Financial incentives should be considered to compensate homeowners for the cost of disconnection to encourage greater participation.
Pet Litter Control - This issue is of particular importance when sewer separation has been completed and runoff is directed to receiving rivers and lakes untreated. It is recommended that this program be continued with a focus on public education and enforced on an as needed basis.
Pesticide Management - The Province of Ontario has banned the use of cosmetic pesticides. The City bylaw is in alignment with the ban, and continuing public education and enforcement is recommended.
Citizen’s Reports - It is recommended that this program be continued.
Floatables Control – It is recommended that the expanded and formalized floatables control program as described in the Pollution Control Plan Report (2010) be implemented.
CSO Regulator Inspections and Maintenance – It is recommended that UK continue with regular inspection and maintenance of all of these appurtenances.
Closed Circuit Television (CCTV) Inspections – It is recommended that CCTV inspections continue based on specified needs identified within the system. CCTV investigation locations should focus on areas of perceived greatest need prioritized based on factors such as pipe age, system wet weather response, reported issues, timing for replacement etc.
Maintenance Hole Rehabilitation – It is recommended that the City of Kingston continue their inspections and further explore the potential for rehabilitation of structures for I/I reduction as part of this maintenance hole rehabilitation program. Particular attention should be placed on maintenance holes that are situated in marshes and other areas in close proximity of water.
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Extraneous Flow Reduction – It is recommended that UK implement an annual program focusing on areas with significant wet weather I/I issues.
Low Impact Development In addition to recommendations related to existing programs and policies, the following is a list of programs and policies used by other municipalities to mitigate the impacts of CSOs on receiving watercourses. General examples are taken from the Stormwater Pollution Prevention Handbook (MOE, 2001), City of Toronto Wet Weather Flow Management Guidelines (Toronto, 2003) and the Federation of Canadian Municipalities’ Municipal Sustainable Bylaw Collection.
Infiltration Measures On Site –Infiltration is provided through either surface or subsurface measures, including ponding areas, infiltration basins, trenches, soak-away pits, subsurface trenches, and pervious pipes.
Rooftop Gardens/Green Roofs – Flat building roofs can be used to store rainfall and to reduce peak flow rates of runoff to storm sewer systems and has been used for several decades as a peak flow control.
Porous Pavement –Porous asphalt technology involves the installation of a pervious, open graded asphalt wearing course over a base course with large void spaces. The base course functions as a detention reservoir. Rain then passes through the wearing course, collects in the void space of the base course, and ultimately drains away by natural infiltration.
Pollution Prevention at the Source Used Oil Recycling – Development of such a program provides citizens and businesses with a responsible alternative to improper disposal practices. Such a program can be implemented by integrating efforts with existing municipal waste programs, by setting up municipal collection centres, contracting out collection and hauling of used oil to a private hauler/recycler or utilizing the automobile service industry for collection of used oil.
Household Hazardous Waste Collection – Collection of waste materials that are typically found in homes that exhibit characteristics such as corrosivity, ignitability, reactivity and/or toxicity, or are listed as hazardous materials. Such a program can be integrated with existing municipal solid waste programs. The City of Kingston does have an active program in place.
Yellow Fish Road Program – Various organizations and groups in Ontario support a program whereby storm drain systems are stencilled (inlets, catchbasins, channels and creeks) with warnings/advisories and graphic icons, such as yellow fish, discouraging the illegal dumping of unwanted materials. The City of Kingston does have a program in place, although implementation is not yet widespread.
Pool Drainage - A public awareness campaign could be aimed at providing advice to landowners by municipalities, conservation authorities and resident associations on environmentally acceptable ways to discharge pool backwash water and drawdown water for winterizing.
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Erosion and Sediment Control – Runoff from development sites with disturbed ground cover can contain increased levels of suspended sediment that is conveyed to nearby drains and watercourses. Erosion and sediment control BMPs operate to mitigate this by trapping stormwater runoff and detaining it until unwanted pollutants are allowed to settle out or be filtered through underlying soils.
Street Cleaning - Some reduction in the discharge of pollutants to stormwater from street surfaces can be accomplished by conducting street cleaning on a regular basis. The primary and historical role of street cleaning is for sediment and litter control.
Catchbasin Cleaning - Catchbasin and stormwater inlet maintenance should be done on a regular basis to remove pollutants, reduce high pollutant concentrations during the first flush of storms, prevent clogging of the downstream conveyance system and restore the catchbasin’s sediment-trapping capacity.
Sewer Flushing - Flushing is beneficial for sewers with grades too flat to be self-cleansing. Flushing helps ensure pipes convey design flow and removes pollutants from storm sewers.
Inlet Controls – Flow Reducers - The provision of inlet control devices (ICDs) to limit the flow of stormwater to storm or combined sewers. The facility can be used to limit the flow of stormwater when the capacity of the downstream facility is limited (or to avoid overflow of a combined system).
In some instances, existing programs or bylaws are already in place. In addition to continuing public education and enforcement on existing programs, the City of Kingston could develop by-laws or guidelines that address the other above alternatives for improved source control of pollutants. Benefits would be realized both in the short term for CSOs and in the long term following sewer separation in terms of the quality of stormwater discharged to the waterfront.
Conveyance System Improvements Sewer Rehabilitation – Lining Technologies - Municipalities across North America have used lining technologies as part of their sewer rehabilitation projects, and have been successful in reducing I/I typically between 50-80% for lined sections of pipes. I/I removal rates will vary depending on the material and condition of the pipe, local soil type, groundwater flow, and other site-specific conditions.
Sewer Rehabilitation – Internal Grouting - Internal (chemical) grouting is the most popular rehabilitation method for structurally sound pipe networks. It is usually performed in conjunction with root removal in order to decrease infiltration and restore sewer capacity. Typically, the grout is pressure-injected through small joints and cracks in the pipe into the surrounding soil where it cures. While grouting can be the least expensive rehabilitation method initially, it is not considered a long-term repair. Also, depending on temperature and soil conditions, the grout may shrink and become ineffective. Municipalities across North America have used internal grouting as part of their sewer rehabilitation projects, and have been successful in reducing I/I typically between 50-80%. I/I removal rates will vary depending on the material and condition of the pipe, local soil type, groundwater flow, and other site-specific conditions. Opportunity identification is typically based upon structural
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and service condition ratings, determined through closed-circuit television (CCTV) inspection of sewer lines.
Sewer lining and rehabilitation should continue to form part of Kingston’s overall approach to sewer I/I reduction. Areas with high I/I or I/I induced SSO’s, as determined through flow monitoring, should be considered as priority areas for focused I/I reduction efforts.
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6. Master Plan Implementation Summary
The following sections summarize the recommended capital projects and monitoring programs required to service new growth and to address the goal of “virtual elimination” of CSOs.
6.1 Treatment Facilities Infrastructure Recommendations Table 6.1 summarizes the treatment facility projects required to ensure adequate capacity is available for future growth within the City of Kingston.
TABLE 6.1 Recommended Treatment Facility Projects to address Growth
Recommended Project Opinion of Probable Cost ($-2010)
Anticipated Timing
Cataraqui Bay WWTP Expansion – Upgrade to Avg. Daily Flow Rate of 45,000 m3/day and address wet weather bypass
$18,000,000 Initiate EA now to address limited uncommitted capacity and wet weather peak flows
Cataraqui Bay WWTP Expansion – Upgrade from 45,000 m3/day to Avg. Day Flow Rate of 58,000 m3/day
$25,000,000 Beyond 2026
6.2 Collection System Infrastructure Recommendations Table 6.2 summarizes the collection system infrastructure projects required to ensure adequate capacity is available for future growth within the City of Kingston.
TABLE 6.2 Recommended Collection System Infrastructure Projects to address Growth
Recommended Project Opinion of Probable Cost ($ -2010)
Anticipated Timing
WEST
Days Rd. PS $2,500,000 By 2026
Mona Drive PS $1,000,000 Beyond 2026
Front Rd. PS $1,500,000 Beyond 2026
Westbrook PS $1,500,000 When required based on flow monitoring
Collins Bay Collector $900,000 2026
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TABLE 6.2 CONTINUED Recommended Collection System Infrastructure Projects to address Growth
Recommended Project Opinion of Probable Cost ($-2010)
Anticipated Timing
Northwest Collector $1,400,000 By 2026
EAST
Butternut Creek PS $1,500,000 Beyond 2026
B40 PS $1,500,000 Now
Highway 15 Trunk $2,000,000 Beyond 2026
Ravensview Trunk $9,200,000 Now
CENTRAL
Portsmouth PS $2,500,000 Now or deferred based on approach to wet weather I/I reduction
Princess St. Collector $2,400,000 Now
Figure 6.1 indicates the locations of the recommended projects and initiatives for growth related capacity.
6.3 PCP Update and Combined Sewer Area Recommendations
The following tables, Tables 6-3 and Table 6-4, provide summaries of the specific recommended capital projects and monitoring programs from the updated PCP. Figure 6-2 provides a map indication the location of the recommended projects and locations. Table 6-3 should be reviewed for individual CSO location recommendations where the focus is on actions or activities as part of the long term sewer separation program.
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401
2 15
96
Front
38
Bath
Perth
Montreal
Bur Brook
Brock
Princess
Sydenham
Creekford
Days
95
Portsmouth
Union
Division
Earl
SunnysideMcadoos
Kingston Mills
Battersea
Westbrook
Dalton
Barrie
Alfred
Midland
Sir John A. MacdonaldRideau
Bayridge
Weller
Centennial
Collins Bay
Victoria
HudsonTaylor-Kidd
Elliott
Patrick
Gore
King
Queen
Mowat
Chelsea
Johnson
Middle
Lincoln
John Counter
Ontario
Mona
Old Colony
Raglan
Kingscourt
Dawson Point
Roosevelt Development
Van Order
Woodbine
Welborne
Cataraqui Woods
Railway
Glengarry
Lancaster
Queen Mary
Crerar
Bay
Bagot
Stephen
Lakeshore
Henderson
Willingdon
Cordukes
Vista
Beverley
Norman Rogers
Gardiners
Kirkpatrick
Concession
Woodside
Leroy Grant
MacRow
401Centennial
Earl
Sir John A. Macdonald
Westbrook
John Counter
Mona
Utilities KingstonSewer Infrastructure
Master Plan
±0
12
0.5
Kilometres
ÆüPumping Stations
")Wastewater Treatment Plant
"CSO TanksModel ConduitsSanitary SewersForcemainProposed Pipe UpgradeFreewayMajor Roads
RavensviewWWTP
Mona Drive PS
Front Road PS
Days Road PS
North End PS
Portsmouth PSO'Kill PS
River Street PS
Butternut Creek PS
B-64 PS B-40 PS
Figure 6-1Recommended Existing
and Growth CapacityProjects
Lake OntarioGreat Cataraqui River
CollinsBay
Cataraqui Creek
WestCollingwood
O'KillLower Union
Gore EarlWilliam
Clarence
Emma Martin Park
Collins BayCollectorUpgrade
North WestCollectorUpgrade
Days RoadPumpingStation
Upgrade
Front RoadPumpingStation
Upgrade
PrincessStreet
CollectorUpgrade
Westbrook PSHighway 2 PS
Coverdale PS
Smugglers Cove PS
Bath Rd PS
CommodoreCove PS
Lake Ontario Park PS
River Edge PS
WoodsLanding
PS
Highway 15Trunk Sewer
Upgrade
RavensviewTrunkSewer
Twinning
Butternut CreekPumpingStation
Upgrade
B-40PumpingStation
Upgrade
Cataraqui BayWWTP
CapacityUpgrade
Cataraqui Bay WWTP
WestbrookPumpingStation
Upgrade
MASTER PLAN IMPLEMENTATION SUMMARY
6-4 383726A1T7_WBG020310121900OTT
TABLE 6.3 Summary of Recommended Capital Projects
Project Description Opinion of Probable Cost
($-2010) EA Requirements
Source Controls
Sewer Separation*
Area 1 $32,000,000 Schedule A+, assuming all work is within right-of-way, without unusual environmental conditions
Area 2 $23,500,000 Schedule A+, assuming all work is within right-of-way, without unusual environmental conditions
Area 3 $6,900,000 Schedule A+, assuming all work is within right-of-way, without unusual environmental conditions
Area 4 $14,500,000 Schedule A+, assuming all work is within right-of-way, without unusual environmental conditions
Area 5 $14,600,000 Schedule A+, assuming all work is within right-of-way, without unusual environmental conditions
Area 6 $22,400,000 Schedule A+, assuming all work is within right-of-way, without unusual environmental conditions
Conveyance Controls
North Harbourfront Trunk Sewer Twinning
$1,400,000 Schedule A+, assuming that all work is within the right-of-way, without unusual environmental conditions
West Street CSO improvements
$600,000 Schedule B
River Street Forcemain Twinning Completion
$1,500,000 Schedule C recommended (based on the assumed need for land acquisition and federal input to the EA process)
End-of Pipe Options
O'Kill Street CSO Screening and Flow Monitoring
$2,000,000 Schedule B (unless impacted by in-water work or other federal approvals)
West Street Outfall Replacement
$1,500,000 Schedule C plus CEAA, assuming in-water work is required
West Street CSO Screening
$1,500,000 Schedule B (unless impacted by in-water work or other federal approvals)
Notes: * Opinion of probable costs for sewer separation based on total cost of integrated rehabilitation program
MASTER PLAN IMPLEMENTATION SUMMARY
383726A1T7_WBG020310121900OTT 6-5
TABLE 6.4 Summary of Recommended Programs
Category Description
Storm Outfalls Design of a program to assess waterfront impacts from storm outfalls including LO5 (Portsmouth Harbour near King St.), LO9 (Albert St.) and GC8 (Great Cataraqui River just below Belle Park) per 2000 PCP Update recommendations.
Storm Outfalls Review data collection, inspection and monitoring protocols for storm outfalls.
Floatables Control UK’s Floatables Control Program should be formally documented.
Floatables Control As part of a formal, documented Floatables Control program, UK should formalize post-event clean-up practices, focusing on areas of historical concern.
CSO/PSO Monitoring Installation of monitoring equipment at O’Kill Street PS and CSO tank as part of any future planned capital works.
CSO/PSO Monitoring Installation of overflow monitors at permanent locations (e.g. pumping stations, CSO locations) as part of future capital projects or as resources become available.
CSO/PSO Monitoring Installation of permanent monitoring equipment at priority CSO locations (Barrack Street, Queen Street, Belle Park). Installation of equipment should consider the timing of proposed future capital works intended to reduce or eliminate overflows from these locations.
CSO/PSO Monitoring Continued use of temporary monitors in areas with existing CSOs and that are subject to upcoming capital improvements to continue characterizing the response of existing CSOs during rainfall events (UK program already in place).
6.4 I/I Recommendations The following locations are recommended for continued I/I reduction investigations in the separated sewer system, with a focus on identifying sources of wet weather I/I and undertaking removals initiatives on a systematic, focused basis as part of ongoing capital projects:
North End PS Service Area (Continue with 2008/2009 program)
Portsmouth PS Service Area (New program)
B-64 PS Service Area (New program)
NorthWest Collector Service Area (New program)
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05
35
34
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UNION ST
DIVISION ST
PRINCESS ST
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EARL ST
RIDEAU ST
FRONT RD
CENTENNIAL DR
BARRIE ST
DALTON AVE
ALFRED ST
KING ST E
VICTORIA ST
WELLER AVE
PATRICK ST
QUEEN ST
JOHNSON ST
MOWAT AVE
ELLIOTT AVE
SYDENHAM RD
JOHN COUNTER BLVD
ONTARIO ST
KING ST W
RAGLAN RD
KINGSCOURT AVE
TAYLOR-KIDD BLVD
VAN ORDER DR
QUEEN MARY RD
RAILWAY ST
GLENGARRY RD
GORE RD
STEPHEN ST
BAY ST
BAGOT ST
NORMAN ROGERS DR
WILLINGDON AVE
BEVERLEY ST
KIRKPATRICK ST
CONCESSION ST
LEROY GRANT DR
BARRACK ST
EARL ST
JOHN COUNTER BLVD
SIR JOHN A. MACDONALD BLVD
±100m<on W
CSO Screening at West St. and O'Kill Pump Station for Floatables Control River Street
Pump StationFirm Capacity
Upgrade(Forcemain Twinning)
West St. CSO Improvements and
Outfall Replacement
North HarbourfrontTrunk Twinning
00.6
1.20.3
Kilometres
Utilities KingstonSewer Infrastructure
Master PlanFigure 6-2
RecommendedProjects
for CSO Reduction
Sewer Separation Priority123Lowest
$KOutfall
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!?CSO with Monitor
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.............
.............
............. Long Term
Sewer Seperation (All Areas)
MASTER PLAN IMPLEMENTATION SUMMARY
383726A1T7_WBG020310121900OTT 6-7
Figure 6.3 indicates the locations of the recommended locations for I/I reduction investigations.
6.5 Master Plan Updates The Class EA Guidelines recommend a review of Master Plans on a five year interval or as required for validation of Master Plan recommendations and verification that the planning assumptions inherent to the development of the Master Plan remain accurate. This five year review should assess the need for a more detailed review and update to the Master Plan. Specifically, per the Guidelines “Potential changes which may trigger the need for a detailed review include:
Major changes to original assumptions Major changes to components of the Master Plan Significant new environmental effects Major changes in proposed timing of projects within the Master Plan”
Based on the recommendations of the Class EA Guidelines, the next review of the Master Plan should take place by 2015.
Major changes to original assumptions that would necessitate a major review of the Master Plan could include items such as changed rate, nature or location of development, new regulatory requirements such as changed combined sewer overflow control guidelines, wastewater treatment requirements, or receiving water criteria. Continued monitoring of the sewer system may also reveal trends or system responses that differ from the assumptions used in development of the system model and resulting recommendations. Barring significant changes or finding, a high level review, confirming the Master Plan assumptions and direction, may suffice at the first five year interval.
One significant component excluded from the majority of the analysis in the Master Plan and Pollution Control Plan update was a comprehensive review of stormwater collection and treatment, particularly as it relates to sewer separation. With the previously adopted High Level Storm Overflow approach, an increased proportion of stormwater will be released to receiving water as the proportion of separated sewers increases. Although pollution concentrations are less significant than CSO’s from a bacteriological perspective, stormwater still carries significant suspended solids and associated pollutants. Currently, the City lacks a comprehensive stormwater management plan specifically related to handling untreated discharges from already developed areas. This lack of direction results in ad hoc decisions regarding stormwater treatment being made at the time of execution of sewer separation projects. Further work related specifically to the handling of stormwater from existing developed areas is recommended.
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Battersea
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Dalton
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Collins Bay
Victoria
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Queen
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Chelsea
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Lincoln
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Kingscourt
Dawson Point
Roosevelt Development
Van Order
Woodbine
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Glengarry
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Mona Drive PS
Front Road PS
Days Road PS
North End PS
Portsmouth PSO'Kill PS
Butternut Creek PS
B-40 PS
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CollinsBay
Cataraqui Creek
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North WestCollector
West PrincessCollector
North CentralCollector
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Front RoadTrunk
Highway 15Trunk
PrincessStreet
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Westbrook PSHighway 2 PS
Coverdale PS
Smugglers Cove PS
LakeOntarioPark PS
River Edge PS
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Crerar Blvd. PS
YongeStreet
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Utilities KingstonSewer Infrastructure
Master PlanFigure 6-3
Priority Separated SewerAreas for Wet-Weather
Inflow Reduction
ÆüPumping Stations
")Wastewater Treatment Plant
"CSO TanksModel ConduitsSanitary SewersForcemainFreewayMajor Roads
North EndOutfallSewer
North EndTrunk
Bath RoadCollector
Bath Rd PS
NorthHarbourfrontInterceptor
Rideau HeightsTrunk
King StreetTrunk
River Street PS
CommodoreCove PS
GreenviewPS
B-64 PS
North EastCollector
RavensviewTrunk
Clarence
WilliamEarl
GoreLower Union
HarbourfrontTrunk
HighgateCollector
Lincoln DriveSewer
Areas Serviced ByCombined Sewers
Location of PrioritySeperated Sewer Areas
B-64 PS Service AreaNorth End PS Service AreaPortsmouth PS Service AreaNorthwest CollectorService Area
383726A1T7_WBG020310121900OTT 7-1
7. Public Consultation and Class EA Requirements
7.1 Consultation Activities Public and agency consultation is a key element of the Class EA Master Plan process. The objectives of the public consultation plan for the UK SIMP were as follows:
To conduct a consultation program that is meaningful to those involved
To deliver a program that is accessible, transparent, and traceable
To engage stakeholders early and throughout the decision-making process
To provide educational value to participants by providing information on the issues and challenges of Kingston’s unique sewer system
Consultations completed for Master Plan are consistent with the requirements outlined in the Municipal Class Environment Assessment (October 2000, as amended in 2007). Three mandatory points of consultation are required during the preparation of a Master Plan, including:
At the commencement of the Master Plan
At the identification of alternative solutions
At the completion of the Master Plan report
The key stakeholders for the Master Plan include:
The community of the City of Kingston
Special Interest Groups
The Government Review Team for Master Plans Cataraqui Region Conservation Authority (CRCA) Ontario Ministry of Environment (MOE) Fisheries and Oceans Canada (DFO) Parks Canada
7.1.1 Master Plan Mailing List Two mailing lists were developed (one each covering the public contacts and the agency contacts) for the Master Plan study. Mailing lists were prepared at the outset of the project and were augmented with new additions as stakeholders become engaged in the process. The public mailing list included names and mailing information for members of the public, special interest groups, and stakeholders that were on then current mailing lists of UK. The Agency Mailing List was compiled from the most recent release of the Government Review
PUBLIC CONSULTATION AND CLASS EA REQUIREMENTS
7-2 383726A1T7_WBG020310121900OTT
Team (GRT) issued by the Ministry of the Environment and modified using previous mailing lists developed by UK. The agency mailing list is included in Appendix B.
7.1.2 Notice of Master Plan Commencement The Notice of Master Plan Commencement was published in local papers and on the UK website. An Agency Contact Letter was also prepared and mailed, together with the Notice of Commencement, to the Agency Mailing List at the outset of the project. Both the draft NOC and draft Agency Contact Letter are attached in Appendix C for reference.
7.1.3 Public Information Centers Two Public Information Centers (PICs) were held during the Master Plan study. The purpose of the PICs was to provide the public with an opportunity to meet with the project team at key points in the decision making process to discuss the study and provide comments, questions and concerns. Each PIC was designed as a drop-in Information Centre with a display of project information, a take-home Information Brief, and a Comment Sheet to provide feedback. Comment Sheets, Display Boards and Bulletins are included in Appendix D.
The purpose of PIC #1 was to introduce the Master Plan study, present the problem statement and rationale for the study, provide an overview of the Master Plan decision-making process, and explain the types of investigation and data collection activities that are underway. PIC #1 was focused on growing public awareness of the key issues and challenges of Kingston’s sewer system and on providing information on the problem statement and purpose of the master plan.
The purpose of PIC #2 was to present the analysis and results of the investigations and to provide an evaluation of alternative strategy solutions. PIC #2 was focused on providing the public with an understanding of the decision process and analysis methodologies that were employed in order to develop the recommended list of alternatives.
Unfortunately, limited attendance at the two PICs resulted in little direct public feedback on the project and Master Plan recommendations.
7.1.4 Agency Consultation The Government Review Team contacts from the agency mailing received the Notice of Study Commencement. Those who responded with a request to maintain participation in the Master Plan study continued to receive project information and notices.
Meetings with the CRCA were conducted at the beginning of the project to discuss existing operational issues and to identify key issues to be considered during the development of alternative solutions.
7.1.5 Notice of Completion of Master Plan A Draft Notice of Master Plan Completion has been prepared for publication by UK. The Notice will be distributed to the public and agency mailing list and will be published in the local papers as determined appropriate by UK. The Notice of Completion of Master Plan will also be posted to the UK website. Although there are no opportunities for Part II Orders for this Master Plan, copies of the Master Plan should be made available for public viewing following publication of the Notice of Completion.
383726A1T7_WBG020310121900OTT 8-1
8. References
CH2M HILL, 2010. “Pollution Control Plan for the City of Kingston”, prepared for Utilities Kingston, July 2010 in association with XCG.
J.L. Richards & Associates Ltd., 2004. “City of Kingston Urban Growth Strategy”, prepared for the City of Kingston, July 2004, in association with XCG, R.V. Anderson Assoc. Ltd., C.N. Watson and Assoc. Ltd., and Williams Consulting Inc.
Kingston, City of, 2008. “Kingston Official Plan – Draft Fall 2008”, prepared by the City of Kingston.
Kingston, City of, 2006. “Subdivision Development Guidelines and Technical Standards”, prepared by the City of Kingston.
Ministry of Environment, 2008. “Guidelines for the Design of Sanitary Sewage Flows (1985, 2008)”.
Ministry of Environment, 2008. “Guidelines for the Design of Water Distribution Systems (July 1985)”
Municipal Engineers Association, 2007. “Municipal Class Environmental Assessment”
Simcoe Engineering Group Ltd., 2007. “Master Plan for Water Supply for the City of Kingston Urban Area and the Class Environmental Assessment (Completed to the End of Phase 1 and Phase 2)”, prepared for Utilities Kingston, June 2007.
Stantec Consulting Ltd., 2008. “Condition Assessment of Water and Waste Water Pumping Stations”, prepared for Utilities Kingston, December 2008, in association with Thompson Rosemount Group.
Stantec Consulting Ltd. et al., 2006. “Critical Evaluation of Kingston’s Combined Sewers”, prepared for Utilities Kingston, February 2006, with The Thompson Rosemount Group and BSR.
Appendix A MOE Procedure F-5-5 Checklist
MOE – Procedure F-5-5 Checklist
EVALUATING POLLUTION AND PREVENTION CONTROL PLANS
CRITERIA
Developed a Pollution Prevention and Control Plan (PPCP) (within the last five years)
A) Characterization of the combined sewer system (CSS)
! Monitoring " Complete
! Modeling" Complete
! Other appropriate means" N/A
! Determination of the location of CSOs" Complete
! Determination of the frequency of CSOs" Complete
! Determination of the volume of CSOs" Complete
! Concentrations and mass of pollutants resulting from CSOs" Complete
! Data collected on frequency of dry weather overflows" Complete
! Data collected on frequency of wet weather overflows" Complete
! Records kept on:"
_ Location and physical description of CSO outfalls in the collection system, emergency
overflows at pumping stations, and bypass locations at STPsComplete
_ Location and identification of receiving water bodies for all combined sewer outfalls Complete
_ CSS flow and STP capacities; present expected peak flow rates during dry weather Complete
_ CSS flow and STP capacities; present expected peak flow rates during wet weather Complete
_ CSS flow and STP capacities; future expected peak flow rates during dry weather Complete
_ CSS flow and STP capacities; future expected peak flow rates during wet weather Complete
_ Capacity of all regulators Complete
_ Location of cross-connections Complete
! Operational procedures developed for CSS including:"
_ Combined sewer maintenance programs Complete
_ Regulator inspection and maintenance programs Complete
B) Examination of non-structural and structural CSO control alternatives:
- source control Complete
- inflow/infiltration reduction Complete
- operation and maintenance improvements Complete
- control structure improvements Complete
- collection system improvements Complete
- storage technologies Complete
EVALUATING POLLUTION AND PREVENTION CONTROL PLANS
CRITERIA
- treatment technologies Complete
- sewer separation Complete
C) Implementation plan with cost estimates and schedule of all practical measures to eliminate
dry weather overflows and minimize wet weather overflows Complete
_ Demonstrate how minimum CSO prevention and control requirements and other criteria are
achievedComplete
Established Plan - Meet minimum CSO controls
A) Eliminate CSOs during dry-weather periods except under emergency conditions Complete
_ Demonstrate that CSS are adequate for transmission and treatment of all peak dry weather
flowsComplete
B) Focus on pollutant reduction activities at source Complete
C) Establish proper operation and regular inspection and maintenance programs for the CSS Complete
D) Establish a floatables control program Complete
E) Maximize the use of the collection system for the storage of wet weather flows which are
conveyed to the STP for treatment when capacity is available Complete
F) Maximize the flow to the STP for treatment of wet weather flows Complete
G) During a seven-month period commencing within 15 days of April 1, capture and treat for an average year all the dry weather flow plus 90% of the volume resulting from wet weather flow that is above the dry weather flow
Complete
H) Any additional controls provided for beaches or where required by receiving water quality
I) Monitoring program specified in PPCP Complete
Implemented Plan - Meet minimum CSO controls
Eliminate CSOs during dry-weather periods except under emergency conditions Complete
Focus on pollutant reduction activities at source Complete
Proper operation and regular inspection and maintenance programs for the CSS Complete
Floatables control program Ongoing
During a seven-month period commencing within 15 days of April 1, capture and treat for an average year all the dry weather flow plus 90% of the volume resulting from wet weather flow that is above the dry weather flow
Complete
Monitoring program specified in PPCP Ongoing
Appendix B Agency and Public Mailing List
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Appendix C Environmental Assessment Notices and Letters
COPYRIGHT 2009 BY CH2M HILL CANADA LIMITED • ALL RIGHTS RESERVED • COMPANY CONFIDENTIAL
January 9, 2009 Subject: Sewage Infrastructure Master Plan for the City of Kingston Urban Area
Phases 1 & 2 of the Class Environmental Assessment Process CH2M HILL Canada Limited has been retained to assist Utilities Kingston in the preparation of a Class Environmental Assessment (EA) study to develop a Sewer Infrastructure Master Plan for the City of Kingston Urban Area.
A cohesive Master Plan is required to guide the Utilities’ efforts to:
• Advance the goal of containment/virtual elimination of combined sewer overflows • Maximize the effectiveness of the existing sewer system • Provide adequate system capacity to meet growth-based demand to the year 2026 • Prioritize large scale capital improvements to the sewer system • Provide information to stakeholders on issues and challenges associated with Kingston’s unique
sewer system. The study is being conducted in accordance with the requirements for Phases 1 and 2 of the Municipal Class Environmental Assessment (October 2000, as amended in 2007). The Notice of Commencement is attached.
At this time, we wish to confirm the nature and extent of your interest in the study, and whether you are interested in reviewing additional information as it is made available. If you wish to continue participation in this study, please contact the study team as noted in the attached Notice of Commencement. Alternatively, if there is a more appropriate individual at your organization, it would be appreciated if you could please forward their contact information to the study team.
Sincerely,
CH2M HILL Canada Limited Ryan Matthews, M.Sc., P. Eng Project Manager cc: Mr. Michael Fischer, P.Eng., Utilities Kingston Mr. Allen Lucas, P.Eng., Utilities Kingston
CH2M HILL
1101 Prince of Wales Drive, Suite 330
Ottawa, ON K2C 3W7
Canada
Tel: 613.723.8700
Fax: 613.723.7489
www.ch2mhillcanada.com
Sewage Infrastructure Master Plan for the City of Kingston Urban Area
Utilities Kingston has initiated a Class Environmental Assessment (EA) study to develop a Sewer Infrastructure Master Plan for the City of Kingston Urban Area. A cohesive Master Plan is required to guide the Utilities’ efforts to:
• Advance the goal of containment/virtual elimination of combined sewer overflows • Maximize the effectiveness of the existing sewer system • Provide adequate system capacity to meet growth-based demand. • Prioritize large scale capital improvements to the sewer system • Provide information to stakeholders on issues and challenges associated with
Kingston’s unique sewer system.
The study is being conducted in accordance with the requirements for Phases 1 and 2 of the Municipal Class Environmental Assessment (October 2000, as amended in 2007). Phase 1 of The Class EA process involves identification of the problem or opportunity to be addressed by the project.
Phase 2 involves development of alternative solutions to address the problem or opportunity by taking into consideration the existing conditions, and by incorporating public and review agency comments. The alternative solutions will be evaluated to identify a preferred solution that minimizes impacts on the natural and social/cultural environment while optimizing capital and operating investments.
Public and agency consultation is a key element of the Class EA Master Plan process. Two Public Information Centres (PICs) are planned and project information will be available on Utilities Kingston website (http://www.utilitieskingston.com ).
A mailing list for notification of project activities and PICs is now being compiled. If you wish to receive notification of the Master Plan activities (PIC), or if you have any questions regarding the study, please contact one of the people listed below or send an e-mail to SewageMasterPlan@UtilitiesKingston.com. Comments are welcome at any time during the study.
Ryan Matthews, P.Eng. Senior Project Manager CH2M HILL Canada Limited 1101 Prince of Wales Drive, Suite 330 Ottawa, Ontario K2C3W7 Tel: 613-723-0233 ext. 242
Cameron Smith, P.Eng. Public Consultation Manager XCG Consultants Ltd. 6 Cataraqui Street Woolen Mill, West Wing, Suite 105 Kingston, ON K7K 1Z7 Tel: 613-542-5888
Michael Fischer, P.Eng. Utilities Engineer Utilities Kingston 1211 John Counter Blvd. Kingston, ON K7L 4X7 Tel: 613-546-1181 ext. 2356
This Notice Published: February 10, 2009.
Notice of Study Commencement
Sewage Infrastructure Master Plan for the City of Kingston Urban Area
Utilities Kingston has developed a Sewer Infrastructure Master Plan for the City of Kingston Urban Area to identify the necessary infrastructure required to provide conveyance and treatment capacity for sanitary sewage up to 2026. The Master Plan scope also included a comprehensive update to the Pollution Control Plan (PCP), related specifically to the mitigation of impacts due to combined sewer overflows (CSO’s), with a goal of identifying the necessary steps to achieve “virtual elimination” of CSO’s in the long term.
The recommended plan includes a number of measures to address growth, including increased pumping station and sanitary sewer trunk sewer capacity at various locations in the City and an expansion to the Cataraqui Bay Wastewater Treatment Plant. With respect to mitigation of CSO’s, sewer separation in the older part of the City centre is the primary component of the recommended plan, with additional site specific measures and programs aimed at further reducing overflows.
The study is being conducted in accordance with the requirements for Master Plans, following Phases 1 and 2 of the Municipal Class Environmental Assessment (October 2000, as amended in 2007). The Sewage Infrastructure Master Plan has been completed and by this Notice is being placed in the public record for review.
The Sewage Infrastructure Master Plan and Pollution Control Plan Update documents are available for review at the following locations:
Utilities Kingston Website http://www.utilitieskingston.com/Water/SewerPlan.aspx
Utilities Kingston 85 Lappan’s Lane (contact Technical Services)
City Hall 216 Ontario Street (go to Clerk’s Department)
Central Library Branch 130 Johnson Street (ask at front desk)
Comments on this information should be directed to:
Ryan Matthews, P.Eng. Principal Project Manager CH2M HILL Canada Limited 1101 Prince of Wales Drive, Suite 330 Ottawa, Ontario K2C3W7 Tel: 613-723-0233 ext. 242
Michael Fischer, P.Eng. Utilities Engineer Utilities Kingston 85 Lappan’s Lane Kingston, ON K7L 4X7 Tel: 613-546-1181 ext. 2356
or by email to Project Email Address: SewageMasterPlan@UtilitiesKingston.com
This Notice Published: September 14, 2010.
Notice of Study Notice of Study Notice of Study Notice of Study CompletionCompletionCompletionCompletion
Appendix D Public Information Centre Information
Sewage Infrastructure Master Plan for the City of Kingston Urban Area
Utilities Kingston has initiated a Class Environmental Assessment (EA) study to develop a Sewage Infrastructure Master Plan for the City of Kingston Urban Area. A cohesive Master Plan is required to guide the Utilities’ efforts to:
• Advance the goal of containment/’virtual elimination’ of combined sewer overflows
• Maximize the effectiveness of the existing sewer system
• Provide adequate system capacity to meet growth-based demand to the year 2026
• Prioritize large scale capital improvements to the sewer system
• Provide information to stakeholders on issues and challenges associated with Kingston’s unique sewer system.
The study is being conducted in accordance with the requirements for Phases 1 and 2 of the Municipal Class Environmental Assessment (October 2000, as amended in 2007). Phase 1 of the Class EA process involves identification of the problem or opportunity to be addressed by the project. Phase 2 involves development of alternative solutions to address the problem or opportunity by taking into consideration the existing conditions, and by incorporating public and review agency comments. The alternative solutions will be evaluated to identify a preferred solution that minimizes impacts on the natural and social/cultural environment while optimizing capital and operating investments.
To provide details on the project as well as to receive input and comments from interested parties, a Public Information Centre will be held:
Date: Wednesday, May 20th, 2009 Time: 4:00 – 7:00 pm Location: “Sail Room” at Portsmouth Olympic Harbour at 53 Yonge St.
A display of information will be available for viewing, and the staff from Utilities Kingston and the consultant team will be on hand to discuss the information and answer questions.
The information presented at the Public Information Centre #1 will be available at Utilities Kingston’s website after May 20th, 2009 (http://www.utilitieskingston.com).
If you are unable to attend the Public Information Centre and wish to comment on this project or receive information, please contact one of the people listed below or send an e-mail to SewageMasterPlan@UtilitiesKingston.com. Comments are welcome at any time during the study.
Ryan Matthews, P.Eng. Senior Project Manager CH2M HILL Canada Limited 1101 Prince of Wales Drive, Suite 330 Ottawa, Ontario K2C3W7 Tel: 613-723-0233 ext. 242
Cameron Smith, P.Eng. Public Consultation Manager XCG Consultants Ltd. 6 Cataraqui Street Woolen Mill, West Wing, Suite 105 Kingston, ON K7K 1Z7 Tel: 613-542-5888
Michael Fischer, P.Eng. Utilities Engineer Utilities Kingston 1211 John Counter Blvd. Kingston, ON K7L 4X7 Tel: 613-546-1181 ext. 2356
This Notice Published: May 12 & 19, 2009.
Notice of Public Information Centre #1Notice of Public Information Centre #1Notice of Public Information Centre #1Notice of Public Information Centre #1
Welcometo the
Public Information Centre for theSewage Infrastructure Master Plan
for the City of Kingston Urban Area
Please sign in and take a Comment Sheet
Utilities Kingston staff and their consultants from CH2M HILL and XCG are on hand
to answer your questions.
May 20, 2009
Purpose of the Project
Utilities Kingston has initiated a Class Environmental Assessment (EA) study to develop a Sewer Infrastructure Master Plan for the City of Kingston Urban Area. A cohesive Master Plan is required to guide the Utilities' efforts to:
�Advance the goal of containment/virtual elimination of combined sewer overflows (CSOs)
�Maximize the effectiveness of the existing sewer system
�Provide adequate system capacity to meet growth-based demand to the year 2026 as per the City’s Official Plan
�Prioritize large scale capital improvements to the sewer system
�Provide information to stakeholders on issues and challenges associated with Kingston’s unique sewer system
The study will provide a strategic plan and financing strategy, allowing for the long term growth and sustainability of the sewer system.
Why “Virtual elimination”?Due to variations in rainfall, itis nearly impossible to design
for complete elimination.
Class Environmental Assessment Master Plan Process
Master Plans are long range plans which examine the current and future requirements of a given infrastructure system using environmental assessment planning principles. Master Plans, at a minimum, must address Phases 1 and 2 of the Class Environmental Assessment (EA) process.
Issue a "Notice of Master Plan Completion"
Typical modern sewer systems consist of 2 distinct and usually parallel sewers for the collection and conveyance of sanitary sewage and storm runoff.
However, in the past, combined sewers were often used. As a historic city, Kingston has a number of remaining
areas that are serviced by combined sewers.
What is a Combined Sewer? Combined sewers are designed to collect rainwater,
domestic sewage, and industrial wastewater in the same pipe.
Most of the time, combined sewer systems transport all of their wastewater to a sewage treatment plant where it is treated and then discharged to a water body.
������������� ��������������� (CSO)� During periods of heavy rainfall or snowmelt, the capacity
of the combined sewer system can be exceeded and excess wastewater overflows from the system to nearby water bodies.
Typical Sewer Systems
Like other Canadian Municipalities, the City of Kingston has sewers dating back to the late 1800s and early 1900s.
Much of the original city area was serviced by a combined sewer system, although much of the originally combined area has now been separated.
Generally, the combined sewer area is located in the central area and downtown, bordered by Sir John A. Macdonald Boulevard to the west, Third Avenue to the North and Lake Ontario to the south and Great Cataraqui River to the east.
Within the combined sewer area, the City of Kingston collects the storm water runoff and sanitary wastewater and transfers it to the Ravensview Water Pollution Control Plant for treatment.
In areas with separated sewers, sanitary sewage is collected and conveyed to a treatment plant, while stormwater is collected and either treated in separate facilities (in newer construction) or conveyed directly to creeks / rivers or Lake Ontario.
Due to current physical constraints on the combined sanitary sewer system, during periods of heavy rainfall and snowmelt, varying quantities of combined sewage are bypassed to the Great Cataraqui River and Lake Ontario. These bypasses are required in order to avoid sewer backups into homes and businesses.
Kingston has been working actively over the past 15 years to reduce CSOs through sewer separation projects, construction of storage tanks, sewer sealing, and upgrades to pumping stations.
History of the Sewer System
1800s City is established and all wastewater and storm water is
discharged directly to the lake and river.
1950s Due to regulatory changes, interceptors are installed to direct all
flow to the sewage treatment plant and sewers are separated into sanitary and storm were planned for all new developments.
1990s The Pollution Control Plan (PCP) is completed and several
identified capital works projects are initiated based on report recommendations.
2000 to present The PCP is updated in 2000, several capital works projects are
completed and several more projects are initiated
Kingston's Sanitary Sewer SystemEvolution
Process and Features Selection
Pollution Control Plan (1992) - A multi-year public works implementation plan that addressed
the issues of pollution control and servicing for community growth
Pollution Control Plan Update (2000) - Reviewed the City’s implementation of the Pollution Control
Plan (1992) to confirm that future works would adequately address water pollution issues cost-effectively
City of Kingston Urban Growth Strategy (2004) - Provided an integrated approach to coordinated growth
management of the City to the year 2026 - Examined various growth alternatives and assessed the
sewer infrastructure needs to adequately accommodate new contributions to the system
Kingston Combined Sewer Critical Evaluation (2006) - Developed a guiding policy for the replacement of combined
sewer serviced areas with separated sewers and provided a preferred strategy for road reconstruction works in those areas
City of Kingston Draft Official Plan (2008) - Delineated future areas of development within the City of
Kingston that will require service connections to the existing sewer network
Water and Wastewater Facility Condition and Capacity Assessment (2008)
- Provided a more definitive asset management plan based on full-assessment of condition and capacity of sewage pumping stations
Sewer Infrastructure Master Plan for City of Kingston Urban Area – CURRENT PROJECT
This Master Plan Study builds on the recommendations of various previous studies:
1992
2000
2004
2006
2008
2009
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Schedule and Deliverables
MARCH
Model Data Collection and Review – Completed Calibration and Validation – Completed
Master Plan Growth Scenarios and Guiding Principles - Completed
Evaluation of Alternatives and PCP Plan Update
Implementation Plan
Public Information Centre #2
Master Plan Report and Notice of Master Plan Completion
MARCH
APRIL
JUNE
AUGUST
OCTOBER
DECEMBER
Next Steps
Next Steps:�Review of comments received from Public
Information Center #1�Further development and evaluation of alternatives�Identification of recommended strategy �Second Public Information Centre (Fall 2009)�Confirmation of recommended strategy�Preparation of Master Plan�Ongoing communication with: - Kingston Community
- Regulatory Agencies
If you have any questions or comments, please contact:
Project Email Address: SewageMasterPlan@UtilitiesKingston.com
As the Study continues, the City will continue to seek input from the public and a second PIC
will be held in October 2009. If you are interested in being kept informed about this project, please add
your name to our mailing list.
Ryan Matthews, P.Eng.Senior Project ManagerCH2M HILL Canada Limited 1101 Prince of Wales Drive, Suite 330Ottawa, Ontario K2C 3W7Tel: 613-723-0233 ext. 73120
Cameron Smith, P.Eng.Public Consultation ManagerXCG Consultants Ltd.6 Cataraqui StreetWoolen Mill, West Wing, Suite 105 Kingston, ON K7K 1Z7Tel: 613-542-5888
Michael Fischer, P.Eng.Utilities EngineerUtilities Kingston1211 John Counter Blvd.Kingston, ON K7L 4X7Tel: 613-546-1181 ext. 2356
Sewage Infrastructure Master Plan for the City of Kingston Urban Area
Comment Sheet
Utilities Kingston is interested in receiving the community’s comments, questions, and concerns regarding the development of the Sewage Infrastructure Master Plan for the City of Kingston’s urban area. Development of this Master Plan will follow Phases 1 and 2 of the Class Environmental Assessment (EA) process. Please take a few minutes to fill out this brief comment sheet. All comments will be carefully considered while completing the Master Plan.
1. The Master Plan will serve to address a number of aspects related to the City’s sewer system including containment/virtual elimination of combined sewer overflows (CSOs), maximizing the effectiveness of the existing sewer system, provision for growth capacity, prioritization of capital improvements and identification of challenges. Do you have any questions, comments, or concerns about purpose of this study?
_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
2. Development of this Master Plan is following Phases 1 and 2 of the Class EA process. Do you have any questions, comments, or concerns about the decision-making processes that is being followed?
_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
3. The Master Plan will build on recommendations of various previous studies. Do you have any questions, comments, or concerns about work that has been completed previously or how this work relates to development of the Master Plan?
_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
4. Kingston has been working actively for more than 15 years to reduce CSOs through sewer separation projects, construction of storage tanks, sewer sealing, and upgrades to sewage pumping stations. Do you have any questions, comments or concerns about efforts to reduce CSOs from the City’s sewer system?
_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Do you have any additional comments?
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ________________________________________________________________________________________________________________________ ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ____________________________________________________________________________________________________________________________________________________________________________________ ____________________________________________________________________________________________________________________________________________________________________________________ Thank you for taking the time to provide your comments. Comment sheets may be returned to any of the presenters, or can be mailed, emailed, or faxed to the following:
Ryan Matthews, P.Eng. Senior Project Manager CH2M HILL Canada Limited 1101 Prince of Wales Drive, Suite 330 Ottawa, Ontario K2C3W7 Tel: 613-723-0233 ext. 73120
Cameron Smith, P.Eng. Public Consultation Manager XCG Consultants Ltd. 6 Cataraqui Street Woolen Mill, West Wing, Suite 105 Kingston, ON K7K 1Z7 Tel: 613-542-5888
Michael Fischer, P.Eng. Utilities Engineer Utilities Kingston 1211 John Counter Blvd. Kingston, ON K7L 4X7 Tel: 613-546-1181 ext. 2356
Project email address: SewageMasterPlan@UtilitiesKingston.com
Sewage Infrastructure Master Plan for the City of Kingston Urban Area
Utilities Kingston is currently working on a Class Environmental Assessment (EA) study to develop a Sewage Infrastructure Master Plan for the City of Kingston Urban Area. An updated Master Plan is required to guide the Utilities’ efforts to:
Advance the goal of containment/’virtual elimination’ of combined sewer overflows Maximize the effectiveness of the existing sewer system Provide adequate system capacity to meet growth-based demand to the year 2026 Prioritize large scale capital improvements to the sewer system Provide information to stakeholders on issues and challenges associated with
Kingston’s unique sewer system
The study is being conducted in accordance with the requirements for Phases 1 and 2 of the Municipal Class Environmental Assessment (October 2000, as amended in 2007). Phase 1 of the Class EA process involves identification of the problem or opportunity to be addressed by the project. Phase 2 involves development of alternative solutions to address the problem or opportunity by taking into consideration the existing conditions, and by incorporating public and review agency comments.
Phase 2 of the Class EA process is nearing completion and a draft list of alternatives and Implementation Plan have been developed. In addition, an update to the 2000 Pollution Control Plan Update Report has also been prepared, addressing the combined sewer area of the City.
A Public Information Centre will be held to provide information on the project as well as to receive input and comments from interested parties:
Date: Wednesday, March 3rd, 2010 Time: 4:00 – 7:00 pm Location: “Wilson Room” at the Central Library - 130 Johnson St.
A display of information will be available for viewing, and the staff from Utilities Kingston and the consultant team will be on hand to discuss the information and answer questions.
The information presented at the Public Information Centre #2 will be available at Utilities Kingston’s website after March 15th, 2010 (http://www.utilitieskingston.com).
If you are unable to attend the Public Information Centre and wish to comment on this project or receive information, please contact one of the people listed below or send an e-mail to SewageMasterPlan@UtilitiesKingston.com. Comments are welcome at any time during the study.
Ryan Matthews, P.Eng. Senior Project Manager CH2M HILL Canada Limited 1101 Prince of Wales Drive, Suite 330 Ottawa, Ontario K2C3W7 Tel: 613-723-8700 ext. 73120
Cameron Smith, P.Eng. Public Consultation Manager XCG Consultants Ltd. 6 Cataraqui Street Woolen Mill, West Wing, Suite 105 Kingston, ON K7K 1Z7 Tel: 613-542-5888
Michael Fischer, P.Eng. Utilities Engineer Utilities Kingston 1211 John Counter Blvd. Kingston, ON K7L 4X7 Tel: 613-546-1181 ext. 2356
This Notice Published: February 23 & March 2, 2010.
Notice of Public Information Centre #2
WelcomePublic Information Centre #2 for the
Sewage Infrastructure Master Plan for the
City of Kingston Urban Area
Please sign in and take a Comment Sheet
Utilities Kingston staff and their consultants from CH2M HILL and XCG are
on hand to answer your questions.
March 3, 2010
Purpose of the Project
Utilities Kingston has initiated a Sewage Infrastructure Master Plan for the City of Kingston Urban Area following the Class Environmental Assessment (EA) process for municipal projects. An updated Master Plan is required to guide the Utilities’ efforts to:
� Advance the goal of containment/ “virtual elimination” of combined sewer overflows (CSOs)
��Maximize the effectiveness of the existing sewer system
��Provide adequate system capacity to meet growth-based demand to the year 2026 as per the City’s Official Plan
� Prioritize large scale capital improvements to the sewer system
� Provide information to stakeholders on issues and challenges associated with Kingston’s unique sewer system
The Study will provide a strategic plan and financing strategy, allowing for the long-term growth and sustainability of the sewer system.
Why “Virtual elimination”? Due to variations in rainfall, it is nearly impossible to design for complete elimination of CSOs. “Virtual elimination” means full containment ���������������� ����������������year of average rainfall, and containment of all but the larger, more ��� ���� ����� ��������� ������� ���
The Master Plan Process follows a structured approach consistent with the Municipal Class EA Process
Master Plan Process
Prepare Master Plan Document
����������� ���������� ����������������������� ������������ ������
Phase 1 – Identify the Problem
�������������� �� ��� ���� ������ ��������� ����������������� ��� ������ ������������������������������������
Phase 2 – Alternatives Solutions
������������������� �!���������"����������������������� ����������# ��������������
��$���"����Growth Scenarios�%�������&�����"���'�()� � *+� ,"�"���-.-/�%���0��������"��)� � -+� ,"��������������%#" ���"�)����!�#��(���
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Two distinct areas of focus exist for the study, each with specific issues to be addressed:
Master Plan Study AreaThe overall study area for the Master Plan is the urban area as defined by the new Draft Official Plan. Key issues include:
� Servicing for existing sewer flows and for flow increases driven by growth
� A focus on major City growth areas in the north west and north east, with smaller infill developments spread throughout the City, including the Central core
Study Areas
Figure 2�1 Schedule 3-A from City of Kingston Draft Official Plan
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Utilities KingstonPollution Control
Plan UpdateFigure 2.2
Sewer SystemMajor Infrastructure
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Evaluation of Servicing Requirements – Addressing Growth
��Trunk sanitary sewer and pumping station capacities were evaluated
��Bottlenecks identified for upgrade due to existing or growth related capacity issues
��Treatment capacity reviewed based on managing existing dry and wet weather flows, and on future forecast flows
��Other opportunities for flow management, including wet weather infiltration / inflow (I/I) reduction, and programs and policies related to flow reduction (e.g. low flow toilets, rain barrels) evaluated
��Locations for upgrades identified and prioritized for action
Evaluation of Servicing Requirements - Addressing Combined Sewer Overflows
��Pollution Control Plan (PCP) Update prepared as part of the Master Plan to review current and future CSOs in the central portion of the City (combined sewer area).
��Ministry of the Environment (MOE) Procedure F-5-5 defines specific overflow control requirements for combined sewer systems. Procedure F-5-5 is the standard to evaluating alternatives.
Objectives of PCP Update:
� Quantify the impacts of significant improvements to the sewer system implemented since the 2000 PCP Update
� Plan for an upgrade or expansion of the existing sewage infrastructure (sewers and pumping stations)
� Identify current issues associated with CSO discharges to local receiving environments, and recommend solutions
� Plan for and manage anticipated growth
� Evaluate conformance with MOE Procedure F-5-5 requirements
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Conclusions Regarding Existing System Conformance with F-5-5
Results from the calibrated model using rainfall from a typical year indicate:
� No CSOs are expected to occur from the existing sewer system resulting from dry weather flows under either the existing or future development conditions
� Existing system performance exceeds the MOE Procedure F-5-5 minimum requirement for 95% capture of wet-weather flow volume under all three landuse scenarios
� System performance reflects the success of the considerable effort and money invested in system improvements since the 2000 PCP Update
Additional Combined Sewer Improvements
Beyond the requirements of MOE Procedure F-5-5, analysis was completed to confirm the next steps in the long term goal of “virtual elimination” of combined sewer overflows.
� The existing combined sewer system in the City is in conformance with the overflow capture requirements of MOE Procedure F-5-5. This is a significant achievement and places Kingston at the forefront of Ontario Municipalities in this regard.
� Utilities Kingston has committed to advancing beyond the requirements of MOE Procedure F-5-5 towards a long-term goal of “virtual elimination” of CSOs, consistent with the desire to be leaders in CSO mitigation and to continue progressing towards a more sustainable future.
� Analyses and Alternatives included the Master Plan and PCP update are based on data from a wet year. System analysis demonstrated the long term net environmental benefit associated with sewer separation and CSO reduction.
� A suite of additional projects have been developed which will result in significant reduction of CSO’s, achieving the goal of “virtual elimination” in the long term.
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Next Steps
Next Steps:
� Review of comments received from Public Information Center #2
� Confirmation of Recommended Strategy
� Preparation of Master Plan
� Ongoing communication with:
��Kingston Community
��Regulatory Agencies
If you have any questions or comments, please contact:
Project Email Address: SewageMasterPlan@UtilitiesKingston.com
Ryan Matthews, P.Eng.Senior Project ManagerCH2M HILL Canada Limited 1101 Prince of Wales Drive, Suite 330Ottawa, Ontario K2C 3W7Tel: 613-723-0233 ext. 73120
Cameron Smith, P.Eng.Public Consultation ManagerXCG Consultants Ltd.6 Cataraqui StreetWoolen Mill, West Wing, Suite 105 Kingston, ON K7K 1Z7Tel: 613-542-5888
Michael Fischer, P.Eng.Utilities EngineerUtilities Kingston1211 John Counter Blvd.Kingston, ON K7L 4X7Tel: 613-546-1181 ext. 2356
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