TSD SSMP - FINALTriunfo Sanitation District Sewer System Management Plan - 2009 7/22/2009 vii...

SSMP

Sewer System

Management Plan 2009

Triunfo Sanitation District Sewer System Management Plan - 2009 7/22/2009

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A copy of this document will be available on the Triunfo Sanitation District Website

www.triunfosanitationdistrict.com

The Triunfo Sanitation District's Board of Directors meets on the fourth Monday of each month.

Meetings are publicly noticed and citizens are encouraged to attend.

Comments on this document should be addressed at the Board of Directors Meetings.


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Table of Contents Introduction

Regulatory Requirements 1 Time Schedule 1 Sanitary Sewer System Facilities 3 Spill Response 4 SSMP Availability 4 Definitions and Acronyms 5

Section 1: Goals 1.1 Regulatory Requirements 7

Section 2: Organization 2.1 Background 9 2.2 Regulatory Requirements 10

Section 3: Legal Authority 3.1 Regulatory Requirements 15

Section 4: Operations and Maintenance Program 4.1 Regulatory Requirements 21

Section 5: Design and Performance Provisions (Design and Construction Standards) 5.1 Regulatory Requirements 27

Section 6: Overflow Emergency Response Plan 6.1 Regulatory Requirements 29

Section 7: Fats, Oils, and Grease Control Program 7.1 Background 35 7.2 Regulatory Requirements 36

Section 8: System Evaluation and Capacity Assurance Plan (Capacity Management) 8.1 Regulatory Requirements 41

Section 9: Monitoring, Measurement, and Program Modifications 9.1 Regulatory Requirements 61

Section 10: SSMP Program Audits 10.1 Regulatory Requirements 65

Section 11: Communication Program 11.1 Regulatory Requirements 71

Note: Section numbers are based on the General Waste Discharge Requirements, Order No. 2006-0003-DWQ dated May 2, 2006.


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List of Figures

Figure I.1: TSD SSMP Time Schedule 2

Figure I.2: Map of TSD 3

Figure 2.1: TSD Organization Chart 12

Figure 2.2: Chain of Communication 13

Figure 8.1: Manhole Inspection Form 45

Figure 8.2: Capital Improvement Plan – OPWS and Sanitation (May 2009) 46

Figure 8.3: Capital Improvement Plan – ReWater (May 2009) 47

Figure 8.4: LV-02 (La Venta) Site Report 50

Figure 8.5: LV-02 (La Venta) Hydrograph (2007 - 2008) 51

Figure 8.6: LV-02 (La Venta) Scattergraph (2007 - 2008) 52

Figure 8.7: LV-03 (Kanan) Site Report 53

Figure 8.8: LV-03 (Kanan) Hydrograph (2007 - 2008) 54

Figure 8.9: LV-03 (Kanan) Scattergraph (2007 - 2008) 55

Figure 8.10: LV-04 (Lindero) Site Report 56

Figure 8.11: LV-04 (Lindero) Hydrograph (2007 - 2008) 57

Figure 8.12: LV-04 (Lindero) Scattergraph (2007 - 2008) 58

Figure 10.1: SSMP Review Meeting Agenda 65

Figure 10.2: SSMP Audit Checklist 66-69

List of Tables

Table 9.1: Yearly SSO Totals 63

Table 9.2: SSO Cause Totals 63

Table 9.3: TSD SSO History (2005 – 2009) 63


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Appendices

A. State of California, State Water Resource Control Board Order No. 2006-0003-

DWQ, Statewide General Waste Discharge Requirements for Sanitary Sewer Systems, May 2, 2006

B. State of California, State Water Resource Control Board Order No. WQ 2008-0002-EXEC, Adopting Amended Monitoring and Reporting Requirements for Statewide General Waste Discharge Requirements for Sanitary Sewer Systems, February 20, 2008

C. Memorandum of Agreement, Between State Water Resource Control Board and

California Water Environment Association, June 27, 2006

D. Memorandum of Agreement, Between State Water Resource Control Board and California Water Environment Association Regarding Training Regarding Requirements Set Forth in General Waste Discharge Requirements For Sanitary Sewer Systems, February 28, 2008

E. Amendment of Memorandum of Agreement, August 24, 2006

F. Triunfo Sanitation District Rules and Regulations for the Sewage Discharge

System, June 26, 1995, Resolution No. T95-1.

G. Triunfo Sanitation District Rules and Regulations for the Sewage Collection System, April 24, 1989.

H. Triunfo Sanitation District, Source Control Program, Enforcement Response Plan,

DRAFT Version: January 16, 2007 sq

I. Triunfo Sanitation District, Sanitary Sewer Overflow & Back-Up Response Plan, Feb 20, 2006

J. Ventura Regional Sanitation District & Triunfo Sanitation District Sewage Spill

Procedure and W/WW Operators Emergency Numbers, Personnel, and Resource Directory, September 7, 2008

K. Ventura Regional Sanitation District Disaster Operations Plan, 2005

L. Operator Assisted Sewer Information System (OASIS) Users Manual, Version 7,

January 08, 2003

M. Triunfo Sanitation District Sanitary Sewer Geographic Information System Database/Maps: CCTV Map Book; Hot Spot Map Book; Maintenance Map Book


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Appendices (continued)

N. Scattergraph Principles and Practices, Principle Application of the Froude

Number to Flow Monitoring, ADS Corp. 2006

O. Scattergraph Principles and Practices, A Comparison of Various Applications of the Manning Equation, ADS Corp. 2004

P. Scattergraph Principles and Practices, Characterization of Sanitary Sewer and

Combined Sewer Overflows, ADS LLC 2007

Q. VRSD Bell Canyon, Flow Report, 10 inch Discharge, MRC 2007


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Introduction Regulatory Requirements The State Water Resources Control Board (SWRCB) has directed all federal and state agencies, municipalities, counties, districts, and other public entities (Enrollees) that own or operate sanitary sewer systems greater than one mile in length that collect and/or convey untreated or partially treated wastewater to a publicly owned treatment facility in the State of California to facilitate proper funding and management of the sanitary sewer system. This has been directed through the Statewide General Waste Discharge Requirements (WDR) for Sanitary Sewer System, Order No. 2006-0003-DWQ (Order) adopted on May 2, 2006. As part of this Order, Triunfo Sanitation District (TSD) has developed and implemented a system-specific Sewer System Management Plan (SSMP). This plan includes provisions to provide proper and efficient management, operation, and maintenance of the sanitary sewer system. With the Order, a Time Schedule has been established based on population size with required tasks and associate sections completion dates. Time Schedule The SSMP time schedule requires the use of the California Integrated Water Quality System (CIWQS) online reporting system to document identified SSMP section completion dates. Each of the SSMP elements is listed by Section and a Certification Date is identified as requiring completion per the Enrollees population size. TSD falls under the SSMP Time Schedule for populations between 10,000 and 100,000. The State Water Resource Control Board Order No. 2006-0003-DWQ, Statewide WDR for Sanitary Sewer System was adopted on May 2, 2006. On June 27, 2006, California Water Environment Association (CWEA) and the SWRCB entered into a Memorandum of Agreement (MOA) (and amendment) for industry training on these new requirements. With the MOA in place, compliance deadlines were extended for both the electronic reporting and SSMP elements. On February 28, 2008, CWEA and the SWRCB signed a new MOA that extended the agreement until December 2009. The original WDR time schedule dates and MOA extension dates, shown in italics, are outlined in Figure I.1. TSD has met all compliance date timelines to date, is on track with meeting the Final SSMP completion deadline, and has entered the appropriate information in the CIWQS online reporting system website for both Sanitary Sewer Overflow (SSO) and SSMP elements. TSD personnel have attended several training sessions on the SSO reporting and SSMP development requirements in the WDR through private consulting firms and regulatory agencies.


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Figure I.1: TSD SSMP Time Schedule

Task and Associated Section Completion Date Application for Permit Coverage 6 months Section C Reporting Program 6 months Section G SSMP Development Plan and Schedule November 1, 2007 No specific Section 12 months Goals and Organization Structure November 1, 2007 Section D 13, (i) & (ii) 30 months Overflow Emergency Response Program May 1, 2009 Section D 13 (vi) 30 months Legal Authority May 1, 2009 Section D 13 (iii) 30 months Operations and Maintenance May 1, 2009 Section D 13 (iv) 30 months Grease Control Program May 1, 2009 Section D 13 (vii) 30 months Design and Performance August 1, 2009 Section D 13 (v) 39 months System Evaluation and Capacity August 1, 2009 Assurance Plan 39 months Section D 13 (viii) Final SSMP, incorporating all of the August 1, 2009 SSMP Requirements 39 months Section D 13 NOTE: Dates shown in italic are from the May 2, 2006 WDR time schedule prior to the June 27, 2006 and February 28, 2008 CWEA and SWRQB MOA’s.


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Sanitary Sewer System Facilities The TSD service area includes approximately 50 square miles within the County of Ventura as shown in Figure I.2. Population within the service area includes approximately 32,000 people and 12,200 sewer connections. TSD owns the collection system including 120 miles of sanitary pipelines, 5 pump stations, 1 mile of force mains, and 0.5 mile of pressure mains. TSD contracts with Ventura Regional Sanitation District (VRSD) for administration, management, and operation of the TSD facilities and the wastewater is discharged to the Las Virgenes Municipal Water District’s (LVMWD) Tapia Water Reclamation Facility.

Figure I.2: Map of TSD


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Spill Response The Order requires the SSMP to contain a Spill Response Plan that establishes standard procedures for immediate response to a SSO to minimize water quality impacts and potential nuisance conditions. The SWRCBs intent is to further gather additional information on the causes and sources of SSOs to augment existing information and to determine the full extent of SSOs and consequent public health and/or environmental impacts occurring in the State. The SWRCB requires SSOs be reported to Regional Water Boards and other regulatory agencies in a timely manner and be made available to the public in a complete, concise, and timely fashion. The SWRCB CIWQS online SSO reporting system is hosted, controlled, and maintained by the State Water Board at http://ciwqs.waterboards.ca.gov. This online database is maintained on a secure site requiring a unique username and password for reporting any overflow, spill, release, discharge or diversion of untreated or partially treated wastewater from the sanitary sewer system. TSD personnel have acquired and use this reporting system in the event of an SSO. SSMP Availability The purpose of this SSMP is to provide a plan and schedule to properly manage, operate, and maintain all parts of the sanitary sewer system. This SSMP will assist the TSD personnel with guidelines to assist in the reduction and prevention of SSOs and mitigation of any SSOs that may occur. Per the Order, a copy of the General WDR and the certified SSMP will be maintained at the TSD offices, facilities, and/or Internet homepage. The SSMP is available to sanitary sewer system operating and maintenance personnel at all times and will be updated regularly to keep current with the sanitary sewer system.


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Definitions and Acronyms The following is a list of acronyms and definitions used in this report: BMP – Best Management Practice BWF - Base Wastewater Flow CCTV - Closed Circuit Television CIPP - Cured-In-Place Pipe CIWQS - California Integrated Water Quality System County - County of Ventura CWEA - California Water Environment Association EPG – Environmental Programs Group ERP – Enforcement Response Plan FSE - Food Service Establishments FOG - Fats, Oils, and Grease gpd - Gallons per Day gpm - Gallons Per Minute GIS – Geographic Information System GPS – Global Positioning System GWI - Groundwater Infiltration HAZMAT - Hazardous Materials I/I - Infiltration and Inflow IIPP - Illness and Injury Prevention Program LVMWD - Las Virgenes Municipal Water District MAR - Mean Annual Rainfall mgd - Million Gallons per Day MOA – Memorandum of Agreement MRP - Monitoring and Reporting Program NPDES - National Pollutant Discharge Elimination System OES - California Office of Emergency Services O&M - Operation and Maintenance PF - Peaking Factor POTW - Publicly Owned Treatment Works PVC - Polyvinyl Chloride R&R - Rules and Regulations RDI/I - Rainfall Dependent Infiltration and Inflow RWQCB - Los Angeles Regional Water Quality Control Board SMR - Self Monitoring Report SOC - Security Operations Center SOP - Standard Operating Procedures SSMP - Sewer System Management Plan SSO - Sanitary Sewer Overflow SSOERP - Sanitary Sewer Overflow Emergency Response Plan SWRCB - State Water Resources Control Board TSD - Triunfo Sanitation District U.S. – United States VCP - Vitrified Clay Pipe VRSD - Ventura Regional Sanitation District WDR - Waste Discharge Requirements WWTP - Wastewater Treatment Plant


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Section 1: Goals 1.1 Regulatory Requirements The goal of the SSMP is to provide a plan and schedule to properly manage, operate, and maintain all parts of the sanitary sewer system. This will help reduce and prevent SSOs, as well as mitigate any SSOs that do occur. 1.1.a TSDs Goals The goals of the TSD are to:

• Protect public health and safety; • Properly manage, operate, and maintain the wastewater collection system; • Prevent adverse impacts to the environment, waterways of the U.S., and their

beneficial uses; • Verify the wastewater collection system has adequate capacity to convey sewage

during peak flows; • Identify and prioritize structural deficiencies and implement short-term and long-term

maintenance and rehabilitation actions to address each deficiency; • Maintain design construction standards and specifications for the installation of

new wastewater systems; • Eliminate preventable SSOs; • Minimize the frequency of sanitary sewer overflows; • Respond to sanitary sewer overflows quickly and mitigate the impact of the overflow; • Ensure corrective action is taken in a timely manner; • Ensure compliance with current regulatory requirements; • Document and define procedures to address SSO prevention and response; • Maintain a Fats, Oil, and Grease (FOG) program to limit fats, oils, grease, and other

debris that may cause blockages in the sewage collection system; • Provide training on a regular basis for staff in collection maintenance and operations; • Meet all applicable regulatory notification and reporting requirements; and • Provide excellent customer service.


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Section 2.0: Organization

2.1 Background

TSD owns and operates, via contract with VRSD, the sanitary sewer system in the TSD. TSD is governed by the Board of five part-time directors, two elected from within the TSD, one is a County Supervisor representing this district, one is a member of the City of Thousand Oaks City Council, and one is from the VRSD Board. The Board authorizes the necessary funding for the management, operations and maintenance of the TSD sanitary sewer system. The TSDs attorney provides legal advice and guidance to the TSD in implementing the TSDs ordinances and exercising legal authorities; and represents the TSD in legal matters, including enforcement actions. A part-time Board, whose members are appointed from the City Councils of Camarillo, Fillmore, Ojai, Oxnard, Port Hueneme, San Buenaventura, Santa Paula, Thousand Oaks and Ventura County Special District’s, is the governing body of VRSD. The TSD relies on the local (County of Ventura or City of Thousand Oaks) Building and Safety Departments for developing and implementing standards for private lateral sewer (building sewer) connections. The lines of authority are clearly diagrammed from the Board through the TSD Manager and VRSD workgroups to each individual position. Each unit within the TSD organization, including each individual, has specific and clearly defined responsibilities and authorities that are designed to meet the TSDs mission and goals for the TSDs sanitary sewer systems and collectively implement all of the State Waste Discharge Requirements (WDR) and SSMP requirements. This ensures that each element of the SSMP is properly addressed and accomplished. TSD offices that are responsible for SSMP-related functions and activities are described in Subpart 2.5 (b) and shown in Figure 2.1 - TSD - Organization Chart. Program work elements are subdivided into manageable work assignments to ensure that full attention and support is given to each need and each task within the program. This organizational structure allows assignment of experts who are knowledgeable about the regulations and requirements of each specific task within each program work element and who are skillful in program implementation. The TSDs process of recruitment, promotion and selection of staff to leadership positions within the TSD ensures that the right people are assigned to the right job.


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2.2 Regulatory Requirements

The SSMP must identify:

a. The name of the responsible or authorized representative as defined in the Waste Discharge Requirements (WDR).

b. The names and telephone numbers for management, administrative, and maintenance positions responsible for implementing specific measures in the SSMP program. The SSMP must identify lines of authority through an organization chart or similar document with a narrative explanation; and

c. The chain of communication for reporting SSOs, from receipt of a complaint or other information, including the person responsible for reporting SSOs to the State and Regional Water Board and other agencies if applicable (such as County Health Officer, County Environmental Health Agency, Regional Water Board, and/or State Office of Emergency Services (OES)).

2.1.a. The name of the responsible or authorized representative as defined in the Waste Discharge Requirements (WDR).

The TSD has designated a Legally Responsible Official (LRO) pursuant to Section J., REPORT DECLARATION, of the State General WDR (Order No. 2006-0003). Contact information for the TSDs LRO is provided below:

Mark Lawler, General Manager

Ventura Regional Sanitation District 1001 Partridge Drive, Suite 150

Ventura, CA 93003 805-658-4600


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2.1.b. The names and telephone numbers for management, administrative, and maintenance positions responsible for implementing specific measures in the SSMP program. The SSMP must identify lines of authority through an organization chart or similar document with a narrative explanation.

Lines of authority for the SSMP are shown in Figure 2.1 - Triunfo Sanitary District - Organizational Chart. A list of responsible positions and contact information is provided below: TSDs Attorney’s Office – Legal Authority Arnold, Bleuel, LaRochelle, Mathews, Zirbel - 805-988-9886 TSD Manager (Legally Responsible Official) - 805-658-4600 VRSD Principle Analyst – 805-658-4602 Communications VRSD Director of Operations – 805-658-4674 Water & Wastewater Division Manager – 805-658-4628 Operation Program, Overflow Emergency Response Plan, Monitoring, Measurement and Program Modifications, Design and Performance Provisions (also District Engineer) Technical Services Supervisor – 805-658-4679 FOG Control Program, Legal Authority, Source Control, Pretreatment, Enforcement Maintenance Supervisor – 805-658-4648 Maintenance Program TSD Engineer – 805-658-4628 System Evaluation and Capacity Assurance, Design and Performance Provisions, Construction Management, Geographic Information System and Mapping

2.1.c. The chain of communication for reporting SSOs, from receipt of a complaint or other information, including the person responsible for reporting SSOs to the State and Regional Water Board and other agencies if applicable (such as County Health Officer, County Environmental Health Agency, Regional Water Board, and/or State Office of Emergency Services (OES)).

The TSD has procedures that provide for effective notification of each category of SSOs through a clear and step-by-step method of communication by staff at different levels. The procedures for SSO reporting are reviewed and updated as needed to ensure that they are in full compliance with all regulatory and legal requirements and advance the TSDs mission to protect public health and the environment.


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These reporting procedures are described in detail in Section 6.0: Overflow Emergency Response Plan and the Sanitary Sewer Overflow and Backup Response Plan for TSD and outlined in Figure 2.2 – Chain of Communication. Sanitary Sewer Overflow Categories Category 1: All discharges of sewage resulting from a failure in the sanitary sewer system that:

a) Equal or exceed 1,000 gallons or b) Result in a discharge to a drainage channel and/or surface water, or c) Discharge to a storm drainage pipe that was not fully captured and returned to the

sanitary sewer system. Category 2: All other discharges of sewage resulting from a failure in the sanitary sewer system. Private Lateral Sewage Discharge: Sewage discharge caused by blockages or other problems within a private owned lateral.

Figure 2.1: TSD Organization Chart


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Figure 2.2: Chain of Communication


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References Triunfo Sanitation District’s Sanitary Sewer Overflow & Backup Response Plan, February 20, 2006 Ventura Regional Sanitation District Disaster Operations Plan, 2005.


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Section 3.0: Legal Authority


Each enrollee must demonstrate, through sanitary sewer system use ordinances, service agreements, or other legally binding procedures, that it possesses the necessary legal authority to:

a. Prevent illicit discharges into its sanitary sewer system (examples may include I/I,

stormwater, chemical dumping, unauthorized debris and cut roots, etc.); b. Require that sewers and connections be properly designed and constructed; c. Ensure access for maintenance, inspection, or repairs for portions of the system

owned or maintained by the Public Agency; d. Limit the discharge of fats, oils, and grease and other debris that may cause

blockages, and; e. Enforce any violation of its sewer ordinances.

3.1.a. Prevent illicit discharges into its sanitary sewer system (examples may include I/I, stormwater, chemical dumping, unauthorized debris and cut roots, etc.)

Industrial Waste Pretreatment The California State Constitution provides in Article 11, Section 7, states that “A county or city may make and enforce within its limits all local, police, sanitary and other ordinances and regulations not in conflict with general laws.” TSD has adopted two separate Rules and Regulations (R&R) to address specific policies, one for the Sewage Collection System (Collection) and one for Sewage Discharge System (Discharge). Each of the two TSD R&Rs is further defined below. TSD R&R Collection gives the TSD the power and authority to design, construct, excavate and maintain the sewage collection system owned by the TSD. The TSD implements the requirements set forth in 40 CFR, Section 403.8. The control mechanism by which the pretreatment standards are applied to individual industrial users is by the Industrial Wastewater Permit. TSD issues an Industrial Waste Discharge Permit to the individual industrial users, conducts inspections, collects samples, and provides guidance to the industrial users in the TSD. Industrial user compliance is ensured through the pretreatment standards, requirements, and conditions of the permit by taking administrative enforcement actions


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consistent with the TSDs Enforcement Response Plan (ERP) in the event of noncompliance. The enforcement procedures described in the ERP have established criteria and other considerations for responding to violations of pretreatment regulations and discharge standards in a consistent and timely manner. The procedures provide a range of enforcement responses with the objectives of regulating industrial users to achieve and maintain consistent compliance and subjecting repeat offenders to escalated enforcement actions in a timely manner. The types of escalated enforcement actions from the ERP can range from notices of violation, and administrative orders, to suspension of discharge privileges, permit revocation, water or utility service termination, and/or TSD Attorney referral for filing of civil/criminal charges. The TSD reviews and updates its ERP periodically to ensure that it accurately reflects modifications to its authority and describes current operating practices. The TSDs R&Rs provide the legal authority under Part 40 CFR Section 403.8(f)(1), which provides the basis for each procedure under 40 CFR Section 403.8(f)(2), as follows: The TSDs R&R Discharge regulate the industrial wastewater discharges into the publicly owned treatment works (POTW). The objectives are met through a permit and inspection program administered under the jurisdiction of the TSDs Board (Board) to ensure TSDs compliance with all applicable State and Federal laws. The TSD General Manager (Manager) under the jurisdiction of the Board is given the authority to administer, implement and enforce the provisions of the TSDs R&R. The TSDs R&R give the Board and the Manager the power, jurisdiction, and supervision over places of discharge of wastewater into the POTW, necessary to adequately enforce and administer all applicable State and Federal laws. Section 2-3 of the TSDs R&R Discharge provides for the regulation of dischargers to the POTW through the issuance of Industrial Wastewater Discharge Permits containing specific discharge requirements and through enforcement of general discharge prohibitions; authorizes monitoring and enforcement activities; imposes reporting requirements on specific permittees; and sets fees for the recovery of program costs. The TSDs Industrial Wastewater Permit is the control mechanism employed in applying pretreatment standards to industrial users. Section 3-2 specifies the discharge prohibitions placed on Industrial Wastewater Permits. Industrial Wastewater Permits may deny or condition new or increased contribution of pollutants, or changes in the nature of pollutants to the POTW by industrial users where such conditions do not meet applicable pretreatment standards and requirements or where such conditions would cause the POTW to violate its National Pollutant Discharge Elimination System (NPDES) Permit. Section 5-2 specifies conditions in the Industrial Wastewater Permits that require compliance with applicable pretreatment standards and requirements by industrial users. Industrial Wastewater Permits incorporate pretreatment standard limitations based on such standards and requirements. Section 3-8 provides that upon the promulgation of


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mandatory National Categorical Pretreatment Standards (NCPS) for any industrial category, the NCPS, if more restrictive than limitations otherwise imposed under the TSDs R&R, shall apply, and that a discharger shall comply with applicable NCPS as set forth in 40 CFR Part 403.12. All other general pretreatment standards and prohibitions and local limits developed to implement the general and specific standards are included as permit conditions. Inflow & Infiltration Discharge Prevention The TSDs R&R are very clear in regard to use of its wastewater system and control of infiltration and inflow. The TSDs sanitary sewer system is separate from the storm water system. The TSDs R&R prohibits connections of storm drains, downspouts, area drains, storm sewer connections and other sources that could contribute infiltration and/or inflow to the sanitary sewer system. TSDs R&R provides for the inspection of new and rehabilitated private sewer laterals and mainline sewers to ensure that installations meet the TSDs performance standards. It also provides for enforcement actions for noncompliance. Plumbing on private properties is under the jurisdiction of the Ventura County Department of Building and Safety.

3.1.b. Require that sewers and connections be properly designed and constructed

The TSD R&R Discharge, Section 5 – Building Sewers, Lateral Sewers and Connections codify the TSDs policy for the design and construction of sewers and connections. The TSD Collection Regulations requires that all sewers constructed in the TSD comply with TSDs Engineer’s standard plans, specifications, policies and practices. This applies to private developer designed and constructed projects. It also gives the authority and responsibility to the TSDs Engineer to develop and enforce standards. These standards are continuously updated to incorporate new materials and construction methods to ensure that the completed installations meet the high performance standards of the TSD. Construction plans and technical specifications are prepared for each new or rehabilitation project that documents the standard of performance for the construction and the standards for acceptance. These are enforced by the Board.

Service connections must be designed and constructed to meet the Uniform Plumbing Code.

3.1.c. Ensure access for maintenance, inspection, or repairs for portions of the lateral owned or maintained by the Public Agency

The TSD does not maintain private lateral sewer lines. Property owners are responsible for proper installation, operation and maintenance of their lateral. Property owners are required to obtain permits from the Ventura County Department of Building and Safety for work on private properties and the Ventura County Department of Public Works for work in the public right-of-way.


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3.1.d. Limit the discharge of fats, oils, and grease and other debris that may cause blockages

The TSDs R&R Discharge, Section 3-2 states: “Except as expressly allowed in an Industrial Wastewater Discharge Permit, no person shall discharge, permit the discharge, cause the discharge or contribute to the discharge of the following publicly owned treatment works (POTW): Any solid or viscous materials which could cause obstruction to the flow or operation of the POTW, and any material which will cause the POTW to violate its NPDES Permit, applicable Federal and State statutes, rules or regulations.” The Discharge Regulations requires the installation of a grease interceptor at all Food Service Establishments that are to be newly constructed that have the potential to generate waste fats, oils, and grease (FOG). A grease interceptor is a plumbing device that is installed in a wastewater drainage system to intercept and prohibit FOG from entering the sanitary sewer system.

The Industrial Wastewater Permit controls the contribution to the POTW by each industrial user to ensure compliance with applicable standards and requirements.

Section 1 contains the General Conditions. Terms and phrases used in the R&R are defined and clarified as well as the purpose of the R&R to assist the District administration of the sewage system. Section 4, Pretreatment Requirements, further defines regulatory actions. Section 4-2 specifies that the Manager may require all industrial users to install pretreatment systems, upgrade existing pretreatment systems and/or install additional pretreatment systems, implement Best Management Practices (BMP), and any other conditions deemed appropriate to achieve the objectives of the TSDs Discharge Regulations. Section 5-4 specifies that the Manager shall have authority to impose permit conditions including limits regarding the discharge of specific pollutants, requirements, which may include specific sampling locations, frequency of sampling, times of sampling, number, types, test standards and reporting schedules, for monitoring programs, and requirements for maintaining and affording TSDs access to plant records relating to discharges, including hauled waste records and manifests. Section 5-5 requires the development of a compliance schedule by each industrial user for the installation of technology required to meet applicable pretreatment standards and requirements. Section 5-6 specifies the duration of Industrial Wastewater Permits. Section 5-7 controls the transfer of permits. Section 6-1 requires industrial users to submit reports necessary to assess and assure compliance.

3.1.e. Enforce any violation of its sewer ordinances

The TSDs R&R Discharge provides the authority to carry out all inspection, surveillance and monitoring procedures necessary to determine, independent of information supplied by industrial users, compliance or noncompliance by industrial users with applicable pretreatment standards and requirements. The TSDs Discharge Regulations gives the Board and the Manager the power, jurisdiction, and supervision over places of discharge of wastewater into the POTW, necessary to adequately enforce and administer all


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applicable State and Federal laws. Section 6-0 specifies that whenever it is necessary to make an inspection to enforce any of the provisions of, or perform any duty imposed by this section or other applicable law, or whenever the Manager has reasonable cause to believe that there exists upon any premises any violation of the provisions of this section or other applicable law, or any condition which makes such premises hazardous, unsafe, or dangerous, the Manager is hereby authorized to enter such property at any reasonable time and to inspect the same and perform any duty imposed upon the Manager by this section or other applicable law.

Section 8 authorizes enforcement actions for non-compliance with pretreatment standards by an industrial user. It allows for the imposition of criminal penalties for violations. Section 8-4(c) specifies that except as expressly provided, violation of this section or any order issued by the Board or the Manager as authorized by this section is a misdemeanor punishable by a fine not to exceed $1,000.00 per violation per day or by imprisonment in the County jail for a period of not more than 30 days, or by both such fine and imprisonment. The TSD Regulations provide the authority to seek injunctive relief for noncompliance by industrial users with pretreatment standards and requirements. It specifies that whenever a discharger of wastewater is in violation of this section or otherwise causes or threatens to cause a condition of contamination, pollution or nuisance, the Board or the Manager may cause the TSD to seek a petition to the Superior Court for the issuance of a preliminary or permanent injunction, restraining order, or other order, as may be appropriate in restraining the continuance of such discharge. It also specifies the terms under which civil liabilities can be imposed.

References

Triunfo Sanitation District Rules and Regulations for the Sewage Discharge System, June 26, 1995, Resolution No. T95-1. Triunfo Sanitation District Rules and Regulations for the Sewage Collection System, April 24, 1989. Triunfo Sanitation District, Source Control Program, Enforcement Response Plan, DRAFT Version: January 16, 2007 sq


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Section 4.0: Operation and Maintenance Program 4.1 Regulatory Requirements

The SSMP must include those elements listed below that are appropriate and applicable to the Enrollee's system:

a. Maintain an up-to-date map of the sanitary sewer system, showing all gravity line segments and manholes, pumping facilities, pressure pipes and valves, and applicable stormwater conveyance facilities.

b. Describe routine preventive operation and maintenance activities by staff and contractors, including a system for scheduling regular maintenance and cleaning of the sanitary sewer system with more frequent cleaning and maintenance targeted at known problem areas. The Preventative Maintenance (PM) program should have a system to document scheduled and conducted activities, such as work orders.

c. Develop a rehabilitation and replacement plan to identify and prioritize system deficiencies and implement short-term and long-term rehabilitation actions to address each deficiency. The program should include regular visual and TV inspections of manholes and sewer pipes, and a system for ranking the condition of sewer pipes and scheduling rehabilitation. Rehabilitation and replacement should focus on sewer pipes that are at risk of collapse or prone to more frequent blockages due to pipe defects. Finally, the rehabilitation and replacement plan should include a capital improvement plan that addresses proper management and protection of the infrastructure assets. The plan shall include a time schedule for implementing the short- and long-term plans plus a schedule for developing the funds needed for the capital improvement plan.

4.1.a. Maintain an up-to-date map of the sanitary sewer system, showing all gravity line segments and manholes, pumping facilities, pressure pipes and valves, and applicable stormwater conveyance facilities.

A comprehensive set of construction plan showing all the features of the TSD sanitary sewer system is kept at the Main office and maintenance facilities. These plans have been converted into Geographic Information System (GIS) electronic maps and are used for locating gravity lines, variable grade lines, force main lines, manholes, lift stations, and other features of the TSDs sanitary sewer system. These GIS maps are used for system management, work prioritization, and making management decisions. The GIS maps include shapefiles with jurisdictional boundaries, county assessor parcel information, roadways, water bodies, rivers, streams, and all pertinent information associated with that shapefile. The GIS shapefiles have information associated with them, (i.e., line number, size, type, material, slope, manhole number, line length, manhole depth, etc…), and other information related to the specific shapefile. These maps are updated as needed for


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revisions, addition of new developments, and rehabilitated sewers. Map books have been developed to assist management in the scheduling and reporting of sanitary sewer line cleaning and video inspections, as well as identifying problem areas.

The construction plans have been scanned into PDF format and copied onto the VRSD Computer Server for remote access. The scanned as-built maps can be linked with the GIS maps at a later date.

4.1.b. Describe routine preventive operation and maintenance activities by staff and contractors, including a system for scheduling regular maintenance and cleaning of the sanitary sewer system with more frequent cleaning and maintenance targeted at known problem areas. The Preventative Maintenance (PM) program should have a system to document scheduled and conducted activities, such as work orders.

The TSD PM program consists of line cleaning, video and visual inspection, lift station maintenance, and manhole rehabilitation.

The line cleaning activities include high pressure water cleaning, root sawing, and root control. A vacuum truck is utilized during these operations to collect debris generated during the cleaning process. Inspections are conducted during the line cleaning, video and visual inspections by TSD personnel during routine operations and maintenance activities while visiting TSD facilities. Inspection observations are reported through inspection logs, e-mail correspondences, and through verbal communications with the Managers, Supervisors, or TSD Engineer. The observations are entered into the software database management system for scheduling for either short or long term rehabilitation activities. Lift station maintenance is conducted weekly for visual observations and operational functionality. Monthly maintenance includes a safety inspection and startup of backup generators while under load. Quarterly maintenance includes mechanical and electrical safety inspections, air and generator filter replacements, pump, compressor, and generator operation verification. The manhole rehabilitation process involves the control of infiltration and inflow (I&I) and control of sulfide attack. I&I control consists of injection of hydrophobic urethane grout to restrict any water from entering the manhole. Restoration starts with a high pressure washing to remove loose cement and impurities from the surfaces. A plywood floor is places over the channel to catch debris generated during this operation. Repairs to pipe joints, damaged areas, and cracks are made through a grout injection process. Next a layer of mortar is then applied over the cleaned surfaces by spin casting or hand troweling. Finally, a thick layer of fiber reinforced epoxy is sprayed or troweled to the surfaces.


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The TSD PM scheduling has been conducted through two software database management systems, Operator Assisted Sewer Information System (OASIS) and JOB Cal. VRSD has recently purchased a new software database management system, SEMS, which will be replacing the existing OASIS and JOB Cal software. These PM software programs document all activities including preventive, proactive, predictive, scheduled, and corrective maintenance; maintenance engineering; and quality controls. Work orders are generated, tracked, and observations and activities are logged back into these software systems. The OASIS/SEMS Collection System Software assists managers and supervisors in the scheduling of regular maintenance and cleaning activities, monitor’s the frequency of sewer cleaning, inspections, and maintenance of associated equipment. Tasks and their frequency are determined based on operation and maintenance experience, past performance, manufacturer’s recommendations and site-specific conditions. Scheduled and completed tasks are catalogued and tracked by work orders generated through the OASIS/SEMS PM Program. The TSD lift stations, facilities, and equipment scheduling is conducted through the JOB Cal/SEMS software program. This software assists management and supervisors in the tracking and scheduling of the mechanical and electrical systems associated with these facilities and equipment. Maintenance Plan Map books define the Wastewater Collection Network with vicinity, flow direction, and detailed maintenance maps identifying lift stations, chimneys, manholes, lines to be cleaned, other lines, force mains, parcel boundaries along with cleaning order numbering from the OASIS/SEMS management database. An OASIS/SEMS PM Schedule Report sheet is included which is filled out by the operators to rate the wastewater collection system. Structural identification numbers, address/location, line length, size, and type are identified along with pertinent information including the PM type, the last conducted PM, and the next due PM dates. Structural, debris, grease, roots, infiltration and inflow, vermin, and surcharge conditions are rated with 1 being sever, 2 moderate, 3 ok, and 4 not rated. Closed Caption Television (CCTV) Line Inspection Map Books assist the managers and supervisors in the scheduling of sewer line inspections. WinCan video collection software is used by the operators in the recording, inspection rating, and reporting of the Wastewater Collection System. WinCan v8 software and TSDs staff are certified by the National Association of Sewer Service Companies (NASSCO) for standardized pipe inspection coding protocols established through the Pipeline Assessment Certification Program (PACP). The line inspection activities and observations are documented utilizing the OASIS/SEMS management database. Hot Spot Map Books have been developed to assist in the identification of problem areas in the TSD. An Overview Map identifies all problem areas in the TSD Wastewater Collection Network. The TSD is divided into Regions with detailed information including hotspot designations, hotspot gravity, gravity, force main, and


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variable grade sewer lines on project maps. Each hotspot has a separate Action Sheet with hotspot name, region, hotspot since date, cleaning interval and problem identified. Field data include possible causes, action required, recommended cleaning interval, and recommended line sections requiring additional cleaning associated with the hotspot. Each hotspot line segment has it own Hotspot Action Sheet to record pertinent information associated with that line. An OASIS/SEMS Schedule Report sheet is also included which is filled out by the operators to rate the wastewater collection system being identified as a Hotspot.

4.1.c. Develop a rehabilitation and replacement plan to identify and prioritize system deficiencies and implement short-term and long-term rehabilitation actions to address each deficiency. The program should include regular visual and TV inspections of manholes and sewer pipes, and a system for ranking the condition of sewer pipes and scheduling rehabilitation. Rehabilitation and replacement should focus on sewer pipes that are at risk of collapse or prone to more frequent blockages due to pipe defects. Finally, the rehabilitation and replacement plan should include a capital improvement plan that addresses proper management and protection of the infrastructure assets. The plan shall include a time schedule for implementing the short- and long-term plans plus a schedule for developing the funds needed for the capital improvement plan.

The TSDs Rehabilitation and Replacement Plan are conducted through the OASIS/SEMS PM Program. As part of this Plan, structural deficiencies are identified and a necessary improvements list is developed and implemented systematically. The Rehabilitation and Replacement Plan implementation entails a variety of short- and long-term activities that ensure the sustainability of the sanitary sewer system infrastructure. The Maintenance, CCTV Line Inspection, and Hot Spot Map Books, described in section 4.1.b, have been developed to assist in the scheduling and reporting of required maintenance activities and video inspections.

Short Term TSD staff currently performs CCTV inspections in support of operation and maintenance activities. Manhole inspections are conducted during line cleaning, TV inspections, and individually per NASSCO inspection specifications. An inspection log is filled out identifying any rehabilitation and replacement observations. The inspection log is entered into the OASIS/SEMS PM program, a corrective work order is generated, and reviewed by the supervisor, engineering, or environmental staff. Rehabilitation, replacement and/or repairs are conducted based on these reviews. Follow-up CCTV inspections are conducted at overflow locations usually within 24 hours of overflow occurrence to identify any necessary repairs or any special maintenance needs.


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Long Term The life of the sanitary sewer infrastructure is being extended through the manhole rehabilitation program. This program accomplished several problematic issues associated with deteriorating infrastructures due to groundwater and rainwater infiltrations as well as chemical reactions in gravity and force main sewer systems. In its PM program, the TSD conducts comprehensive and systematic inspections and assessments of all components of its sewer system. Inspections are used to identify problems requiring repair and prioritize needed improvement projects. A 10-year Capital Improvement Plan is used to identify facility improvements and costs based on the TSDs Engineers recommendations. A portion of the fee collected from system users is dedicated for long term Capital Improvements. The TSD uses state-of-the-art CCTV equipment to inspect and assess the condition of secondary sewers. Sewer systems are cleaned and inspected based on the scheduling through the OASIS/SEMS database management system utilizing data collected on the OASIS/SEMS PM Schedule Report sheet in the Maintenance, Hot Spots, and CCTV Map Books. Currently, a complete CCTV inspection of the entire TSDs sewer system is scheduled to be completed every 9 years and line cleaning every 3 years.

References Operator Assisted Sewer Information System (OASIS) Users Manual, Version 7, January 08, 2003 Triunfo Sanitation District Rules and Regulations for the Sewage Discharge System, June 26, 1995, Resolution No. T95-1. Triunfo Sanitation District Rules and Regulations for the Sewage Collection System, April 24, 1989 Triunfo Sanitation District Sanitary Sewer Geographic Information System Database/Maps: CCTV Map Book; Hot Spot Map Book; Maintenance Map Book


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Section 5.0: Design and Performance Provisions


a. Design and construction standards and specifications for the installation of new sanitary sewer systems, pump stations and other appurtenances; and for the rehabilitation and repair of existing sanitary sewer systems.

b. Procedures and standards for inspecting and testing the installation of new sewers,

pumps, and other appurtenances and for rehabilitation and repair projects.

5.1.a. Design and construction standards and specifications for the installation of new sanitary sewer systems, pump stations and other appurtenances; and for the rehabilitation and repair of existing sanitary sewer systems.

New and rehabilitated sewers and pump stations are planned, designed and constructed in accordance with the TSD R&R Collection. The rules are a comprehensive set of criteria for planning and design of new sewers, pump stations, force mains, and appurtenances, and for the rehabilitation of existing sewers. The TSD R&R for the Sewage Collection System is broken down into 5 parts:

1. General Conditions and Rules 2. Standard Criteria for the Design of the Sewer System and Improvements 3. Standard Specifications for Construction of Sewage Systems and Construction

Inspection 4. Customer Fees, Application for Service, monthly Sewer Service Charges, Service

Rules and Enforcement of R&R 5. Standard Plates for Construction of Sewer Systems.

Standard Plans are used to provide consistency and quality in design. The TSD encourages users of the Rules and Standard Plans to critique and provide feedback on the standards. Thus, the Rules and the Standard Plans are continuously being updated to incorporate improved materials, methods and processes.

As new products are introduced, they undergo a thorough review and evaluation by the “Greenbook” Committee, a group of public works officials in the Southern California area that are dedicated to high performance construction materials and standards. The “Greenbook” Committee is a clearinghouse for the review of new products and construction methods. It develops standard specifications that become part of the “Greenbook”. The TSD references applicable “Greenbook” specifications as appropriate for the construction of new and repair sewer projects. Emergency repairs are conducted according to the “Greenbook” standards.

All system components are designed to meet permit requirements of the various federal, state and local agencies. In addition, environmental documents are prepared to comply with the California Environmental Quality Act (CEQA), the National Environmental


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Policy Act (NEPA), or both as appropriate. This process ensures that projects benefit from the input of all affected and interested parties.

The TSDs Engineering staff are responsible for updating and maintaining the TSDs design requirements and standards. Users of the design guide are responsible for submitting suggested modifications to the standards. The TSDs Engineering staff are also responsible for enforcing compliance with the plans and specifications for installing new sewers, pumps, other appurtenances, for rehabilitation and repair projects.

5.1.b. Procedures and standards for inspecting and testing the installation of new sewers, pumps, and other appurtenances and for rehabilitation and repair projects.

The TSDs Engineering staff or their representative(s) provide inspection on all rehabilitation and new sewer system construction contracts. Written inspection procedures are followed to ensure that sewer system facilities are built to conform to the plans and specifications. Inspections are conducted both on the jobsite. The TSD does not accept the installed components until they pass all required performance tests and a field acceptance from the inspector is issued. New or rehabilitated system components are placed into service upon certification by TSDs inspectors that they have been installed in accordance with plans and specifications.

References

Building News, “Standard Specifications for Public Works Construction,” (referred to as the “Greenbook”), 1997 Edition amendments, 1999 Supplement to the “Greenbook” Building News, “Standard Plans for Public Works Construction”, Latest Edition Building News, “Public Works Inspectors’ Manual”, Latest Edition Uniform Plumbing Code, Latest Edition Triunfo Sanitation District Rules and Regulations for the Sewage Discharge System, June 26, 1995, Resolution No. T95-1. Triunfo Sanitation District Rules and Regulations for the Sewage Collection System, April 24, 1989


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Section 6.0: Overflow Emergency Response Plan


Each enrollee shall develop and implement an overflow emergency response plan that identifies measures to protect public health and the environment. At a minimum, this plan must include the following:

a. Proper notification procedures that the primary responders and regulatory

agencies are informed of all SSOs in a timely manner. b. A program to ensure an appropriate response to all overflows. c. Procedures to ensure prompt notification to appropriate regulatory agencies and

other potentially affected entities (e.g. health agencies, Regional Water Boards, water suppliers, etc.) of all SSOs that potentially affect public health or reach the waters of the State in accordance with the MRP. All SSOs shall be reported in accordance with this MRP, the California Water Code, other State Law, and other applicable Regional Water Board WDRs or NPDES permit requirements. The SSMP should identify the officials who will receive immediate notification.

d. Procedures to ensure that appropriate staff and contractor personnel are aware of

and follow the Emergency Response Plan and are appropriately trained. e. Procedures to address emergency operations, such as traffic and crowd control

and other necessary response activities. f. A program to ensure that all responsible steps are taken to contain and prevent the

discharge of untreated and partially treated wastewater to waters of the United States and to minimize or correct any adverse impact on the environment resulting from the SSOs, including such accelerated or additional monitoring as may be necessary to determine the nature and impact of the discharge.

6.1.a. Proper notification procedures that the primary responders and regulatory agencies are informed of all SSOs in a timely manner.

The VRSD & TSD Sewage Spill Procedures (Spill Procedures) are a four step procedure which directs TSD staff in SSO Notification, Clean Up, Posting and Sampling, and Reporting requirements. Step 1: Notification starts with the spill being reported to the supervisor. The supervisor will immediately report the spill via the Proposition 65 reporting form to Ventura County Environmental Health Department (EHD). If the spill reaches the waters of the State, the supervisor will contact the State Office of Emergency Services (OES) and Regional Water Quality Control Board (RWQCB) within two (2) hours after the reported spill. The Sanitary Sewer Overflow & Backup Response Plan


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(Response Plan) further insures that the TSD representatives follow established guidelines in clean up and decontamination of sewer spills which may occur within the TSD service area. The TSD encourages citizens to report overflows to the TSD. Citizens may use the TSD telephone number (805) 658-4605 to report overflows and other sewer problems during regular business hour from 8:00 AM – 5:00 PM. Once this plan is adopted by the TSD board, the SSMP along with emergency phone numbers will be available on the TSD website. In addition, staff is available 24 hours per day, seven days per week to receive calls through Dial Security at (805) 389-9406. Once verified, all sewer overflows regardless of volume or potential impact are reported to all parties in the chain of communication (Figure 2.2) within the TSD and to the appropriate regulatory agencies, as detailed on the Spill Procedure and Response Plan. When an overflow is due to private construction activities, the construction contractors are required to report the overflow to the TSD immediately.

6.1.b. A program to ensure an appropriate response to all overflows.

The Spill Procedures and Response Plan both require full, immediate, and appropriate attention and response to an SSO with the ultimate goal of minimizing impacts to public health and safety and the environment. It is the TSD procedure that “Every reported sewage spill affecting public or private property within the TSD shall be acted upon by the TSD.” Telephone calls to report overflows or other maintenance problems are answered 24 hours per day, 7 days per week. Crew leaders are immediately notified upon receipt of a reported potential sewer overflow and are instructed to respond immediately. The Spill Procedures and Response Plan provide the guidelines for assessing the overflow, notifying supervisor, documenting the overflow, estimating the volume of the overflow, sampling and laboratory analysis, posting warning signs and following up. The highest priorities are to contain the overflow and minimize, if not prevent the overflow from reaching the storm drain system, and to minimize or eliminate exposure to the public and impact on public health. Both the Spill Procedures and Response Plan are designed to protect public health and safety, meet all regulatory reporting requirements, and ensure immediate and effective response. Construction contractors are required to have an approved sewage flow bypass system and Emergency Response Plan in place prior to start of construction. Contractors are instructed to take immediate action to stop any overflow. These are discussed at the pre-construction conference and enforced by the TSD.

6.1.c. Procedures to ensure prompt notification to appropriate regulatory agencies and other potentially affected entities (e.g. health agencies, Regional Water Boards, water suppliers, etc.) of all SSOs that potentially affect public health or reach the waters of the State in accordance with the MRP. All SSOs shall be reported in accordance with this MRP, the California Water Code, other State Law, and other applicable Regional Water Board WDRs or NPDES permit requirements. The SSMP should identify the officials who will receive immediate notification.


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The Response Plan outlines notification steps and includes a comprehensive contact and notification list. Notification depends on the severity and potential impact of the overflow. All sewer overflows that enter the waters of the State such as ocean and waterways must be reported immediately. For the purposes of reporting to the EHD, the term “immediate” is defined as within two (2) hours of becoming aware of an overflow event. Immediate reporting is made when an overflow results in a direct discharge into the waters of the State and/or when the TSD representative determines that an overflow could potentially reach the waters of the State based on their knowledge of the sewer and storm drain infrastructure. All other overflows must be reported to the EHD, the OES and the RWQCB within two (2) hours of knowledge of the overflow event. In addition, immediate notification of the public, health agencies, and others of overflows “that may imminently and substantially endanger human health” is required. Initial notification includes posting warning signs and barricades as necessary by the responding crews. Appropriate agencies and impacted entities are notified in accordance with TSD procedures. The notification lists are updated to keep officials names and positions current. Construction contractors are required to take immediate measures to mitigate and report overflows as soon as they are discovered. The TSD inspectors report construction-related overflows to the TSD and document the time, location, cause, estimated quantity, and any impact of the overflow, and take mitigation measures as needed. The Spill Procedures and Response Plan have both been prepared to meet the requirements set in the Regional Board WDR, Monitoring and Reporting Program (MRP), California Water Codes, and other State Laws relating to SSOs.

6.1.d. Procedures to ensure that appropriate staff and contractor personnel are aware of and follow the Emergency Response Plan and are appropriately trained.

The Spill Procedures and Response Plan are clearly documented and available to all personnel. This document is used as a resource in emergency response training. All wastewater operation and maintenance staff are trained on emergency response procedures. New employees receive this training as part of their orientation and this training is reinforced during tailgate training sessions. The TSD emphasizes its goal to have no construction-related overflows during pre-bid and pre-construction meetings. Construction contractors are required to submit and obtain approval of all flow bypasses and emergency response plans prior to the start of construction. The TSD prepares employees to respond to major emergencies and disasters and has established the VRSD Disaster Operation Plan - 2005. This Plan is a living document and is kept current due to continued equipment, process changes, and as regulations evolve. This plan establishes the chain of command, and identifies the response team member’s duties. The disaster coordinator, assistant disaster coordinators, and site coordinators are identified and the team’s responsibilities are listed. Each facility’s vulnerability and damage assessments are identifies, the critical process is ranked, and


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potential hazards to personnel, property, and the environment are listed along with a list of damage assessment actions. Training comes under various TSD programs. It includes formal classroom, informal on-the-job, and hands-on training. Training is facilitated by both TSD staff and by outside training workshops. Most of the internal functional and safety training is provided through TSD and a California Sanitary Risk Management Authority (CSRMA). Training courses are added and existing courses are modified to stay current with the rapidly changing technology and requirements, including computer-aided and online training. On-the job cross training is actively pursued to ensure staff has a proficient working knowledge of each and every specific part of a task. TSD staff is cross-trained to ensure critical tasks are completed without interruption. Task proficiency is a requirement for all job positions and promotions, and training records are maintained to monitor completed classes and schedule employee training. Crews are initially trained in the proper operation and maintenance of all new major mobile equipment and facilities by the contractor/manufacturer. Written operation and maintenance manuals are used as resource material for initial start-up training as well as new staff training. The TSD supervisor is responsible for providing operational training on sewer cleaning inspection equipment. Safety training is an integral part of the TSD training program. Staff member receives formal safety training, hazardous materials management, and confined space entry as required by regulations.

6.1.e. Procedures to address emergency operations, such as traffic and crowd control and other necessary response activities.

The TSD has developed and implemented an advanced and comprehensive overflow prevention, response and reporting program. These include timely reporting to the impacted agencies and stakeholders, templates for estimating overflow volume, training for overflow review, and follow-up CCTV inspection to accurately determine cause and prevention methods. Adequate staff is placed on standby status to supplement existing staff as needed or respond to an emergency after hours. The TSD maintains a list of pre-qualified on-call contractors who provide specific equipment, materials, and crews to the TSD in emergency operations including traffic control. In addition, the Police Department and Fire Department can be utilized to assist in emergency situations including traffic and crowd control.

6.1.f. A program to ensure that all responsible steps are taken to contain and prevent the discharge of untreated and partially treated wastewater to waters of the United States and to minimize or correct any adverse impact on the environment resulting from the SSOs, including such accelerated or additional monitoring as may be necessary to determine the nature and impact of the discharge.


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The TSD seeks to protect public health and safety and the environment through the implementation of all Federal and State laws, standards, and orders applicable to untreated wastewater. Through a comprehensive and systematic program of cleaning, condition assessment, repair and upgrade of its sewer system, the TSD controls the discharge of untreated and partially treated wastewater into receiving waters such as ground water, streams, and rivers. When an overflow occurs, the highest priorities are to contain the overflow and minimize, if not prevent, the overflow discharge into the storm drain system, and to minimize or eliminate exposure to the public and impact on public health. The Spill Procedures and Response Plan provide guidance to the crews in order to accomplish this objective. A comprehensive investigation is performed for each overflow event to diagnose cause and take remedial measures to prevent and mitigate similar future events. The problematic area requiring more frequent cleaning are added to the Hot Spot Map Book with revised cleaning schedule, pertinent information, and is identified in the OASIS/SEMS Collection System Software Database as a Hot Spot.

References Ventura Regional Sanitation District & Triunfo Sanitation District Sewage Spill Procedure Ventura Regional Sanitation District Disaster Operations Plan, 2005 Triunfo Sanitation District, Sanitary Sewer Overflow & Back-Up Response Plan, Feb 20, 2006 California Sanitation Risk Management Authority, Policy & Procedure Memorandum #9-L, Residential Sewer Response and Claims Handling, August 17, 2007


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Section 7.0: Fats, Oils, and Grease Control Program

7.1 Background

The FOG program has been addressed since 1995 as a part of a state approved pretreatment program. The TSD has a program that advocates and maintains support for certified Environmental Compliance Inspectors for its source control program. Source Control Inspectors are responsible for recording facility based information on routine forms and apply situational discretion to their procedures. Assessments have been made which required grease trap/interceptors for facilities installed according to the Uniform Plumbing Code (cited by Ventura County Building & Safety Code as well). To date, the TSD pretreatment program has not utilized a permitting program for oil & grease generators. The TSD R&R Discharge, Section 4.5 has been utilized for citing "grease" issues at facilities for specific applications (car washes, restaurants, auto repair, etc.). In the progressive development of both the pretreatment program and the SSMP, the TSD will be developing the FOG program under the pretreatment program processes, but provide the specificity and compatibility with the SSMP program by separate, updated, and a more specific Pretreatment Ordinance.

Environmental Compliance Inspectors keep current through attendance at CWEA sponsored and other compliance related seminars, workshops, and training. Staff keeps current through continuously researching inspection material associated with the restaurant, automotive, and FOG inspection programs. The TSD identifies training needs for staff development in its annual budget and provides adequate funding for tuition reimbursement. In 2005, the TSD launched a study to assess the impacts of excessive FOG discharges on its sewer system. The study was intended to identify the sources of and recommend measures to control FOG discharges into the system, thereby minimizing FOG-related sewer blockages and overflows in a cost-effective manner. The study revealed that, at the time, approximately 50% of all SSOs were caused by FOG. Major FOG contributors were Food Service Establishments (FSEs) and high density residential dwellings. The study recommended the establishment of a grease control program that included a more aggressive preventive maintenance program, more extensive sewer inspection and cleaning, and the implementation of a source control program that would restrict the amount of grease from all possible sources. Following an extensive outreach to and in partnership with the FSEs in the service area, the TSD developed a three-pronged approach to its FOG Control Program, including:

1. Source Control 2. Sewer Cleaning 3. Community Outreach and Education


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Recognizing that blockages caused by FOG could result in SSOs and have an adverse impact on public health and the environment, the TSD enacted a FOG Control Program as specified in the TSDs Ordinance No. TCSD-2, Resolution No. T95-1 commonly referred to as the “Rules and Regulations for Sewage Discharge”.


Each Enrollee shall evaluate its service area to determine whether a Fats, Oils, and Grease (FOG) control program is needed. If an Enrollee determines that a FOG program is not needed, the Enrollee must provide justification for why it is not needed. If FOG is found to be a problem, the Enrollee must prepare and implement a FOG source control program to reduce the amount of these substances discharged to the sanitary sewer system. This plan shall include the following as appropriate:

a. An implementation plan and schedule for a public education outreach program

that promotes proper disposal of FOG. b. A plan and schedule for the disposal of FOG generated within the sanitary sewer

system service area. This may include a list of acceptable disposal facilities and/or additional facilities needed to adequately dispose of FOG generated within a sanitary sewer system service area.

c. The legal authority to prohibit discharges to the system and identify measures to

prevent SSOs and blockages caused by FOG. d. Requirements to install grease removal devices (such as traps or interceptors),

design standards for the removal devices, maintenance requirements, best management practices (BMPs) requirements, record keeping and reporting requirements.

e. Authority to inspect grease producing facilities, enforcement authorities, and

whether the Enrollee has sufficient staff to inspect and enforce the FOG ordinance.

f. An identification of sanitary sewer system sections subject to FOG blockages and

establishment of a cleaning maintenance schedule for each section. g. Development and implementation of source control measures for all sources of

FOG discharged to the sanitary sewer system.

7.2.a An implementation plan and schedule for a public education outreach program that promotes proper disposal of FOG.

Public education outreach and stakeholder involvement is an important part of the TSDs FOG Control Program and is an ongoing effort. Brochures describing the FOG Control


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Program and BMPs are distributed to FSEs identified as doing business in the TSD in two languages: English and Spanish. In addition, the TSD maintains an up-to-date website www.triunfosanitationdistrict.com which serves as an additional source of information to the food service industry and the community at large. The TSD conducts public education regarding proper disposal of FOG through the restaurant inspection program. FSEs are inspected by TSD inspectors in accordance with accepted industry standards. A Restaurant Inspection Report is generated which verifies the location, liquid depth, size, and cleanout frequency of the grease interceptor. Proper disposal documentation is required for the interceptor service and verified by the inspector. Education is conducted during this inspection to ensure the FSE is conducting proper disposal of FOG as well as stormwater related impacts associated with the rendering grease storage, cleaning of mats, and trash enclosures.

7.2.b A plan and schedule for the disposal of FOG generated within the sanitary sewer system service area. This may include a list of acceptable disposal facilities and/or additional facilities needed to adequately dispose of FOG generated within a sanitary sewer system service area.

The TSD does not own or operate any FOG disposal facilities. The FSEs must, at a minimum, collect the waste FOG and prevent the waste FOG discharge into the sewer system by implementing the following BMPs:

1. “Dry wipe” pots, pans, dishware and work areas prior to washing. Use rubber

scrapers or paper towels to remove FOG from cookware, utensils, and serving ware.

2. Collect waste cooking oil and store properly in recycling barrels or drums. Use a

licensed hauler or recycling facility to dispose of this waste. 3. Use absorbent products to clean under fryer baskets and other locations where

FOG may be spilled or dripped.

The TSD does not allow FOG waste haulers to discharge waste FOG into the sewer system either. However, it provides FSEs with a list of licensed grease haulers and rendering companies. FOG generated during TSD line cleaning and vault cleaning activities is removed from the sanitary system and disposed of at a waste disposal facility outside the TSD sanitary sewer system service area.

7.2.c The legal authority to prohibit discharges to the system and identify measures to prevent SSOs and blockages caused by FOG.

The TSDs R&R Discharge, Section 3-2 provides the legal authority to prohibit FOG discharges by food FSEs. To mitigate SSOs resulting from blockages caused by FOG


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accumulation, the TSD implements its Sewer Spill Response Plan (Response Plan). The Response Plan provides guidelines for investigating FOG-related SSOs and taking enforcement and corrective actions to prevent future occurrences.

7.2.d Requirements to install grease removal devices (such as traps or interceptors), design standards for the removal devices, maintenance requirements, BMP requirements, record keeping and reporting requirements.

The TSDs R&R Discharge, Section 4-5 states the following: “All restaurants or similar establishments shall install an approved grease interceptor which is of sufficient size so as to prevent excessive discharge of grease into the Districts sewage system.” Installation of grease interceptor(s) is required at all FSEs that have the potential to generate waste FOG unless an exception is granted by the District Manager. Exceptions include restaurant size, meals served per day, seating capacity, dishwashing facilities, and other criteria the District Manager deems applicable. The design, construction, installation and testing of commercial kitchen grease interceptors or grease traps shall be in accordance with the Uniform Plumbing Code. FSEs are required to maintain the grease interceptor in an efficient operating condition by periodic removal of accumulated grease including floating material, sludge and solids. The grease interceptors shall be cleaned at a frequency such that the combined FOG and solids accumulation does not exceed 25% of the total liquid depth of the grease interceptor. BMPs include proper cleaning of equipment and surfaces, proper disposal of FOG, dry cleaning methods, and proper storage and disposal of wastes. A logbook of grease interceptor cleaning and maintenance practices shall be maintained. Copies of records and manifests of hauled waste FOG or hauled interceptor wastewater shall be maintained in FSEs files.

7.2.e Authority to inspect grease producing facilities, enforcement authorities, and whether the Enrollee has sufficient staff to inspect and enforce the FOG ordinance.

The TSDs R&R Discharge, Section 2-3 provide the TSD with the legal authority to visit and inspect FSEs and monitor the implementation of BMPs. As part of routine inspection activities, inspectors determine requirements and verify compliance with the FOG Control Program provisions. Additionally, information and training materials such as multi-language handouts summarizing the FOG Control Program and lists of licensed grease waste haulers and pretreatment equipment manufacturers are provided to help businesses comply with the TSD R&R.


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Section 2-1 provides the TSD with the administration and enforcement authority to ensure FSEs compliance with the TSD R&Rs. TSD employs several inspectors to conduct FSE inspections and to respond to reports of illicit discharge complaints in the TSD sanitary sewer system service area.

7.2.f An identification of sanitary sewer system sections subject to FOG blockages and establishment of a cleaning maintenance schedule for each section.

SSOs caused by blockages from FOG are monitored for location and required cleaning frequency. All blockages are plotted on a GIS Hot Spot map book described in Section 4.1.b of this document. Locations with a high number of FOG blockages are given special investigation, enhanced public outreach, and cleaning status. Sewers prone to FOG accumulation or blockages are given high priority and cleaned more frequently in an effort to prevent FOG-related overflows. All reaches, including “non-problem” sewers, are included in a routine preventive maintenance cleaning schedule. Scheduled and completed tasks are catalogued and tracked by work orders in the OASIS/SEMS maintenance management system. The maintenance program includes preventive, proactive, predictive, and corrective maintenance, maintenance engineering, source control, and quality control. OASIS/SEMS is an asset management and maintenance system the Wastewater Collection Systems Department utilizes to manage work, track warehouse parts, and streamline maintenance-related purchases. GIS integration ties the OASIS/SEMS assets to actual field locations, searchable by street address or intersection. This data enables crews to work more efficiently.

7.2.g Development and implementation of source control measures for all sources of FOG discharged to the sanitary sewer system.

The Environmental Programs Group (EPG) investigates potential sources of FOG waste to verify compliance with applicable sections of the TSD R&R and ERP. FSEs are required to comply with source control measures for all sources of grease as specified in the TSD R&R, implement BMPs, install grease interceptors as applicable, and are subject to inspections to verify continuous compliance. The TSD R&Rs provide the legal authority to visit and inspect FSEs and monitor the implementation of Best Management Practices. As part of routine inspection activities, inspectors from the EPG determine permit requirements and verify observance of FOG Control Program provisions. Additionally, information and training materials such as multi-language handouts, FOG Control Program summary, lists of licensed grease waste haulers, and pretreatment equipment manufacturers are provided to help businesses comply with the TSD R&R.

Installation of a grease interceptor is required at all FSEs that have the potential to generate waste FOG unless an exception is granted by the TSD General Manager.


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In the event an industrial discharger fails to comply with the requirements of the TSD R&Rs, the EPG takes immediate enforcement action by applying one or more of the following appropriate enforcement action(s): a. Notice of Non-Compliance – During the Restaurant Inspection and identified on

the Inspection Report, the inspector will identify any corrective actions observed during the inspection. The inspector will assist the FSE in solutions and BMPs to meet these corrections and establish a timeline to correct them. The inspector will revisit the FSE for a follow-up inspection to verify the corrective actions have been met.

b. Notice of Violation (NOV) – A notice by certified mail or personal service

which identifies the permit condition(s) violated, the circumstances surrounding the violation(s), and provides the FSE with an opportunity to correct the noncompliance on its own initiative.

c. Within 30 days of the NOV, the FSE is required to conduct an investigation and

submit a written response describing the cause of the violation, the actions taken to correct the violation or prevent future violations and the date those corrective actions will be completed.

d. Telephone Assistance – A telephone call or verbal notification to an FSE official

used to address violations, usually of a minor nature. All phone or verbal notifications are documented in the FSEs file.

e. Exception Revocation – EPG personnel revoke the FSEs exception for cause and

require an installation of a grease interceptor. f. Cease and Desist Order – An order that requires the FSE to cease a specific

activity and implement corrective actions to permanently achieve and maintain compliance. An Order may be issued when an FSE fails to achieve compliance after a NOV is issued or when a pattern of noncompliance is observed.

g. The TSD may pursue civil and criminal penalties, as well as injunctive relief.

Reference Triunfo Sanitation District Rules and Regulations for the Sewage Discharge System, June 26, 1995, Resolution No. T95-1. Triunfo Sanitation District, Source Control Program, Enforcement Response Plan, DRAFT Version: January 16, 2007 sq


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Section 8.0: System Evaluation and Capacity Assurance Plan


The Enrollee shall prepare and implement a capital improvement plan (CIP) that will provide hydraulic capacity of key sanitary sewer system elements for dry weather peak flow conditions, as well as the appropriate design storm or wet weather event. At a minimum, the plan must include:

a. Evaluation: Actions needed to evaluate those portions of the sanitary sewer system that are experiencing or contributing to a SSO discharge caused by hydraulic deficiency. The evaluation must provide estimates of peak flows (including flows from SSOs that escape from the system) associated with conditions similar to those causing overflow events, estimates of the capacity of key system components, hydraulic deficiencies (including components of the system with limiting capacity) and the major sources that contribute to the peak flows associated with overflow events.

b. Design Criteria: Where design criteria do not exist or are deficient, undertake the

evaluation identified in (1) above to establish appropriate design criteria; and

c. Capacity Enhancement Measures: The steps needed to establish a short-and long-term CIP to address identified hydraulic deficiencies, including prioritization, alternatives analysis, and schedules. The CIP may include increases in pipe size, I/I reduction programs, increases and redundancy in pumping capacity, and storage facilities. The CIP shall include an implementation schedule and shall identify sources of funding.

d. Schedule: The Enrollee shall develop a schedule of completion dates for all

portions of the capital improvement program developed in (1) – (3) above. This schedule shall be reviewed and updated consistent with the SSMP review and update requirements as described in Section D.

8.1.a Evaluation: Actions needed to evaluate those portions of the sanitary sewer system that are experiencing or contributing to a SSO discharge caused by hydraulic deficiency. The evaluation must provide estimates of peak flows (including flows from SSOs that escape from the system) associated with conditions similar to those causing overflow events, estimates of the capacity of key system components, hydraulic deficiencies (including components of the system with limiting capacity) and the major sources that contribute to the peak flows associated with overflow events.

During the early 1960s and through the 1980s, the TSD wastewater collection system was built with the expectation of a higher population than has occurred. In January 1976,


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TSDs Engineer was predicting wastewater flows of 10 mgd by 2000. In 1987, the Southern California Association of Governments (SCAG) projected TSDs build-out population would be 66,100 with 27,200 dwelling units. This would represent a flow of 8.2 mgd using a typical 1980’s estimate of 300 gallons per day (gpd) per dwelling unit. TSD was nearly built-out in FY07-08, expecting less than 300 more dwelling units. For FY07-08, TSD had 12,361 equivalent residential units (ERU) on the tax roll, of which 547 were in Bell Canyon. Because ERUs include commercial and industrial connections, TSD estimates build-out will have less than half the dwellings anticipated when the wastewater collection system was designed and built. In October 2006, the Joint Powers of TSD and LVMWD installed wastewater flow meters to record flow information for the service areas connected to the Joint Powers’ Tapia Water Reclamation Facility. Over the period October 2006 through January 2009, ERU increased from 11,844 to 12,123 (+2%) in the metered area. However, annual average daily flows have decreased from 2.93 mgd to 2.80 mgd (-5%). TSD has analyzed the flow meter data to detect steady infiltration coming through one of the three Joint Powers wastewater flow meters. TSD has an infiltration reduction program, which includes recording flow and electrical conductivity with portable meters to locate infiltration and rehabilitating manholes to stop infiltration. The most recent deployment of the portable flow and conductivity meters was in January through February 2009. The monitoring results identified the locations with high minimum over average percentages. Additional monitoring efforts utilizing the video and manhole inspection programs and flow monitoring to further identify the possible infiltration sources. A work order will be generated through the OASIS/SEMS PM system and inspection results may be added to the CIP if repairs and/or improvements are identified. Possibly due to the over-estimation of build-out flows, TSD has not had a capacity related wastewater spill. TSDs spills have historically been from tree roots, grease blockages, vandalism, lift station failures, and earth movement. Wet-weather overflows in 2005 were isolated to the Lake Sherwood lift station. The pumps for that lift station have since been overhauled. TSD has reduced the associated inflows and completed a review of system capacity for that lift station and upstream sanitary system. The Community of Bell Canyon discharges to the City of Los Angeles’ sanitary sewer system. An Annual Report of Wastewater Flow and Strength Loadings is prepared in accordance with the wastewater service agreement between the City of Los Angeles and the TSD for the conveyance, treatment, and disposal of wastewater. This report includes TSDs net wastewater flow for measured and estimated flows along with the net strength loadings for Biological Oxygen Demand (BOD) and Total Suspended Solids (TSS). Total flow (gal/month), average daily flow (gal/day), peak flow (mgd), and date and time of peak flow are reported monthly. Average loadings are reported by sample date, average


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flow (mgd), BOD and TSS monthly. An annual average and 1-year average are also calculated and reported. TSD is not experiencing SSOs caused by hydraulic capacity. TSD will continue reviewing and analyzing the flow monitoring data from its three fixed wastewater meters, combined with occasional portable flow meter deployments, observations during sewer video inspections, sewer line cleaning, and manhole inspection programs to detect and prevent hydraulic capacity deficiencies. The sewer video inspection program described in section 4.1.b is used to identify sewer line hydraulic deficiencies in the system. A video inspection is conducted after an SSO is reported to identify the source of the blockage. The entire TDS sewer system is scheduled for video inspection every nine years to identify any hydraulic deficiencies in the sanitary sewer system. The results of the inspection program are reviewed and work orders generated to address short and long term CIP improvements. The manhole inspection program consists of inspecting each manhole in the TSD sanitary sewer system, documenting the observations and physical condition of the manhole on the Manhole Inspection Form shown in Figure 8.1. The manhole inspection form includes the TSD manhole identification number, street name, and location. The type, shape, size, and depth of the manhole is documented along with a quick numeric rating. A rating of 1 identifies the manhole as beyond repair, 2 as structurally acceptable but has issues identified on the form, 3 as the manhole shows only wear and tear and minor defects, or is new, and 4 don’t know at this time. Global Positioning System (GPS) coordinates are recorded utilizing a hand held GPS meter to validate the location in the TSD GIS mapping system. The manhole structure and cover conditions are rated as sever, moderate, ok, or don’t know on the form. The hydraulic conditions are documented for surcharge, flow depth, and flow type, steady, pulsing, turbulent, sluggish, and no flow. The flow observation allows for a quick assessment of the system as a no flow at a manhole downstream of a manhole with a 6 inch flow would identify a possible blockage in the line segment between the two manholes inspected. Photographs are taken during the manhole inspection and documented on the manhole inspection form. The back side of the form is used to detail identified defects observed during the inspection. This will assist the supervisor in generating a work order to correct the defect(s) during repairs. The form is handed in to the supervisor for review, approval, and comments. If repairs are identified on the form, a work order is generated through the OASIS/SEMS PM system and repairs are scheduled.


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A CIP spreadsheet has been developed by the TSD Engineer and is used to identify improvements and funding. The CIP is divided into two sections, the OPWS and Sanitation sections shown in Figure 8.2 and ReWater section shown in Figure 8.3. Any improvements identified through the video and manhole inspection programs and OASIS/SEMS PM System requiring funding and long term scheduling is added to the CIP spreadsheet.


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Figure 8.1 – Manhole Inspection Form


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Figure 8.2 - Capital Improvement Plan – OPWS and Sanitation (May 2009)


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Figure 8.3 – Capital Improvement Plan – ReWater (May 2009)


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8.1.b Design Criteria: Where design criteria do not exist or are deficient, undertake the evaluation identified in (a) above to establish appropriate design criteria; and

The ADS Joint Powers sewer flow meters referenced in Section 8.1.a are located in the LVMWD trunk lines, the larger pipes of the TSD sewer system, at the Ventura and Los Angeles County line. These trunk lines are the major conduits which feed into the Tapia Water Reclamation Facility. The data is collected monthly and analyzed by TSD Engineering staff through the LVMWD web based access Flowview software. The flow data includes a site report, a site commentary with overview, observations of minimum, average, and maximum depth (inches), velocity (feet per second), and quantity (million gallons per day), and data quality percent uptime for each site. The flow data options include hydrograph, scattergraph, and tabular data formats. A Site Report for the LV-02 (La Venta) flow meter is shown in Figure 8.4, LV-03 (Kanan) shown in Figure 8.7, and LV-04 (Lindero) shown in Figure 8.10.

Hydrographs are plotting with time interval, graph layout, and display observation. Hydrographs of the three flow meters, LV-02 in Figure 8.5, LV-03 in Figure 8.8, and LV-04 in Figure 8.11, are shown for the time interval of January 1, 2007 through December 31, 2008. LV-02 (La Venta) flow data for this time period shows the maximum flow depth of 8.70” in the 30” diameter pipe, LV-03 (Kanan) shows the maximum depth of 10.03” in the 21” diameter pipe, and LV-04 (Lindero) shows the maximum depth of 8.32” in the 24” diameter pipe. All three maximum depths show the capacity of the TSD system to be under half pipe full during maximum flow depths. Typically, the pipe is designed to be at 2/3 pipe full during maximum flow levels.

Scattergraph are plotted with time interval, display, graph type, and shown with a Lanfear-Coll engineering curve. A Scattergraphs for the LV-02 flow meter is shown in Figure 8.6, LV-03 in Figure 8.9, and LV-04 in Figure 8.12. The Scattergraph is a graphic tool that provides insight into sewer performance through a simple and intuitive display of flow monitoring data. The manning equation is used to depict the relationship between flow depth and velocity. A technical paper describing the scattergraphs principles and practices is included in the Appendix 8. The tabular data can be displayed in daily tabular, week summary, weekly detail, and raw data formats showing detailed flow information. This data can be exported in several different data formats including Excel for further data analysis. Flow information collected over the past two years (2007 – 2008), at the three flow metering stations identified in Section 8, show the TSD as having more than enough capacity to handle the volume of sanitary sewer flows in the system during peak flow conditions. Both Hydrographs and Scattergraphs show the flows to be below half pipe levels over this time period. Flow levels, velocity, and quantities have been monitoring since the installation of the flow meters in October 2006. Similar yearly flow patterns have been observed from October 2006 to this two year period as well as currently


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recorded. TSD Engineering staff will continue to monitor flows at the three flow metering stations on a monthly schedule to ensure the peak flow capacities remain adequate for both dry and wet weather events. A spreadsheet is maintained monthly with the flow meter observations including minimum, average, and maximum flow volumes observed during each month. Additional calculations are included in the spreadsheet on separate worksheets, referencing the data collected, to check for data accuracy and changes in low and peak flow conditions. Maintenance activities including lift station maintenance, line cleaning, CCTV video inspection, and manhole inspection programs record the condition of the TSD sanitary sewer system on a regular schedule. Observations are documented by TSD staff and entered into the OASIS/SEMS PM database. Work orders are generated to repair and maintain identified problem areas. Engineering and environmental staff review the documented observations and work orders for addition to the CIP and outside contracted assistance if the work is outside our regular scope of services. These activities will assist in the prevention of SSOs and backups in the TSD sanitary sewer system. Improvements and repairs will be identified and included in the CIP to assist in their funding and scheduling. A Flow Study and Report was conducted in the Bell Canyon 10 inch discharge pipe for the time period of 8/28/07 through 09/04/07. MRC Technologies was contracted to install flow monitoring equipment, measure the flow, and report the flow data. The report included sanitary sewer discharge level (inches), discharge velocity (feet per second), and volume (gallons per minute). The results of this Flow Report are shown in the Appendices. The results of this report showed the pipe was never over ¼ full during the monitoring duration. Typically the maximum pipe capacity is designed to operate at ¾ full. The Bell Canyon 10 inch discharge pipe capacity shows the levels to be well below the design capacity.


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Figure 8.4 – LV-02 (La Venta) Site Report


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Figure 8.5 – LV-02 (La Venta) Hydrograph (2007 - 2008)


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Figure 8.6 – LV-02 (La Venta) Scattergraph (2007 - 2008)


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Figure 8.7 – LV-03 (Kanan) Site Report


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Figure 8.8 – LV-03 (Kanan) Hydrograph (2007 - 2008)


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Figure 8.9 – LV-03 (Kanan) Scattergraph (2007 - 2008)


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Figure 8.10 – LV-04 (Lindero) Site Report


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Figure 8.11 – LV-04 (Lindero) Hydrograph (2007 - 2008)


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Figure 8.12 – LV-04 (Lindero) Scattergraph (2007 - 2008)


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8.1.c Capacity Enhancement Measures: The steps needed to establish a short-and long-term CIP to address identified hydraulic deficiencies, including prioritization, alternatives analysis, and schedules. The CIP may include increases in pipe size, I/I reduction programs, increases and redundancy in pumping capacity, and storage facilities. The CIP shall include an implementation schedule and shall identify sources of funding.

Although TSD does not have hydraulic deficiencies in its wastewater collection system and has no significant remaining development, the TSDs Engineering staff maintains a rolling 10-year Capital Improvement Plan (CIP) shown in Figure 8.2 - Sanitation and Figure 8.3 - ReWater. The CIP addresses 1. SSMP Spill Reducing Facility Improvements - Infiltration and Inflow Reduction, 2. Pipeline Rehab – leak lining and structural repairs, and 3. Lift Station Maintenance – Generator and Pump Replacements. TSDs cost of wastewater treatment is approximately $1 per year for each 1 gallon per day. If TSD detects and eliminates 100,000 gpd of steady infiltration, TSD saves $100,000 annually. This precise cost incentive derives from the fact the Joint Powers share wastewater treatment costs proportional to the two agencies wastewater contribution. The cost incentive also drives I&I reduction beyond that needed to prevent SSOs. The CIP schedule is produced on a spreadsheet with expenses assigned to specific fiscal years. Funding is generated by revenues through collection of fees for wastewater services that are determined based on a fair and equitable system of cost sharing by all users of the system and by reducing treatment costs.

8.1.d Schedule: The Enrollee shall develop a schedule of completion dates for all portions of the capital improvement program developed in (1) – (3) above. This schedule shall be reviewed and updated consistent with the SSMP review and update requirements as described in Section D.

TSDs 10-year CIP shown in Figure 8.2 and 8.3 is reviewed and updated annually and lists all capital improvement projects scheduled for implementation during the following 10 years. Inclusion in the CIP is determined by a risk-based and payback-based prioritization system. The risk-based projects have a higher priority. Projects which have payback, such as energy efficiency or infiltration reduction often also reduce the risk of SSOs. The flow data described in Section 8.1.c is collected monthly to ensure flow capacities are within an acceptable range.


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References Triunfo Sanitation District Rules and Regulations for the Sewage Discharge System, June 26, 1995, Resolution No. T95-1. Online ADS wastewater flow meter records, LVMWD http://www.flowview.com/flowViewPortal/Login.aspx Scattergraph Principles and Practices, Technical Paper, K.L. Enfinger, P.E. and H.R. Kimbrough, 2004 Triunfo Sanitation District Annually updated 10-year Capital Improvement Program, maintained by the TSDs Engineer spreadsheet. A January 19, 1976 letter predicting wastewater flows for Triunfo County Sanitation District with a January 21, 1976 graph. Triunfo Sanitation District Population Growth and Residential Development Activity Report of November 1994. December 2008 Memorandum by RBF Consulting: Lake Sherwood Lift Station – Preliminary Sewer Lift Station Evaluation The “Green Book” Standard Specifications for Public Works Construction, Latest Edition Uniform Plumbing Code, Latest Edition


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Section 9.0: Monitoring, Measurement and Program Modifications


The Enrollee shall:

a. Maintain relevant information that can be used to establish and prioritize appropriate SSMP activities;

b. Monitor the implementation and, where appropriate, measure the effectiveness of

each element of the SSMP;

c. Asses the success of the preventative maintenance program;

d. Update program elements, as appropriate, based on monitoring or performance evaluations; and

e. Identify and illustrate SSO trends, including; frequency, location, and volume.

9.1.a Maintain relevant information that can be used to establish and prioritize appropriate SSMP activities;

System flow data information is collected and analyzed monthly as described in Section 8 to verify peak flow capacities during dry and wet weather events are adequate. The data collected assists the TSD Engineering and maintenance operations staff in identifying any system deficiencies. Any significant changes in levels, velocities, and quantities as typically observed throughout the year will initiate further investigations into the cause to aid in the prevention of sanitary sewer spills and backups. All sanitary sewer spills and backups reported and observed will be documented and reported in the TSD. The cause of the SSOs will be evaluated to identify required corrective actions. The supervisor will generate corrective work orders to make emergency and identified repairs. If the SSO is identified as a structural deficiency or damage, engineering staff will be notified to analyze and recommend corrective actions needed. If the analysis targets grease and or debris, the environmental section is notified and corrective actions to address any FOG related actions including targeted restaurant inspections, business and residential outreach are recommended. The information collected, analysis and recommendations will be used to establish and prioritize the appropriate SSMP maintenance activities to ensure further SSOs are prevented.


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9.1.b Monitor the implementation and, where appropriate, measure the effectiveness of each element of the SSMP;

Each element of the SSMP requiring implementation will be measured for effectiveness through SSMP Review meetings conducted throughout the year by the TSD engineering staff. Wastewater maintenance managers will be interviewed to identify problematic areas requiring possible addition to the CIP spreadsheet. Short and long term projects will be added and if required, presented to the TSD Board for recommendations and funding sources. Indicators used to measure the effectiveness of the SSMP elements are:

• Total number of SSOs; • Number of SSOs by each cause (root, grease, pipe failure, capacity, pump station

failure, and other); • Portion of sewage contained compared to total volume spilled; • Volume of spilled sewage discharged to surface waters; and • Planned to actual performance for preventative maintenance.

9.1.c Assess the success of the preventative maintenance program;

The TSD PM program identified in Section 4 identifies needed maintenance activities. Through the SSMP Review meetings, the assessment and success of the PM program will be continually monitored. Any identified maintenance activity not meeting the expectations or is unsuccessful will be re-evaluated, changed, and/or eliminated as needed. This will be accomplished through the SSMP review meetings and actual maintenance feedback on the activity forms. The results will be entered into the OASIS/SEMS database and reviewed by the operations manager, supervisor(s), and SSMP review staff.

9.1.d Update program elements, as appropriate, based on monitoring or performance evaluations; and

The TSD engineering staff will maintain and update the SSMP program elements based on the SSMP Review meetings. If major changes to the SSMP are identified, TSD Board approval will be presented with staff recommendations.

9.1.e Identify and illustrate SSO trends, including; frequency, location, and volume.

The TSD has monitored the flow in the major lines at three flow monitoring stations since October 2006. Data from 2005 has been included in Table 9.1 showing this data for Gravity Sewers, Pump Stations, and Force Mains by Calendar Year. Table 9.2 shows the total number of SSOs by Cause, (Roots, Debris, Grease, Capacity, Pump Station Failure, Pipe Failure, and Other), by Calendar Year. Table 9.3 shows the TSD SSOs by date, type


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and volume in gallons since 2005. The majority of SSOs took place in 2005 due to a pump station design and equipment problem. The data in tables 9.1 through 9.3 will be kept current to continue monitoring and identifying the SSO trends in the TSD.

Table 9.1 –Yearly SSO Totals

Calendar Year

Gravity Sewer SSO

Pump Station SSO

Force Main SSO

2005 2 2 02006 0 0 02007 1 0 02008 1 0 02009 0 0 0

Table 9.2 – SSO Cause Totals

Calendar Year Roots Debris Grease Capacity

PS Failure

Pipe Failure Other Total

2005 0 0 0 2 2 0 0 4 2006 0 0 0 0 0 0 0 0 2007 0 1 0 0 0 0 0 1 2008 1 0 0 0 0 0 0 1 2009 0 0 0 0 0 0 0 0

Table 9.3 – TSD SSO History (2005 – 2009)

TSD SSO Type Quantity (gallons)

10-Jan-2005 Capacity 200,000 11-Jan-2005 Infiltration 912,000

12-Feb-2005 PS

Failure 50,000

21-Feb-2005 PS

Failure 500 8-Jan-2008 Roots 750

30-Nov-2008 Roots 2,100


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Section 10.0: SSMP Program Audits 10.1 Regulatory Requirements

As part of the SSMP, the Enrollee shall conduct periodic internal audits, appropriate to the size of the system and the number of SSOs. At a minimum, these audits must occur every two years and a report must be prepared and kept on file. This audit shall focus on evaluating the effectiveness of the SSMP and the Enrollee’s compliance with the SSMP requirements identified in this subsection (D.13), including identification of any deficiencies in the SSMP and steps to correct them.

10.1.a As described in Section 9, internal audits will be conducted throughout the year during SSMP review meetings and during maintenance activities through the maintenance activity forms turned in by the operators at the end of the PM operations. The attendees at the SSMP Review Meetings will include the SSMP Coordinator, Director of Operations, Water/Wastewater Division Manager, Maintenance Supervisor, Technical Services Supervisor, and TSD Engineering/Inspection staff. A report on the SSMP Review committee’s findings will be kept on file at the VRSD Main Office. The report will consist of the review meeting agendas Figure 10.1, SSMP review by section as outlined in the Figure 10.2 - SSMP Audit Checklist, recommendations from operations staff, and OASIS/SEMS database staff on areas in the TSD system which requires additional work due to system deficiencies. Through this process, Hot Spot areas, and problematic areas will be monitoring closer and addition to the CIP will be incorporated to correct and repair these identified areas as needed.

Figure 10.1 - SSMP Review Meeting Agenda

1. Introductions 2. Water/Wastewater Reports

a. SSMP Coordinator (Chair) b. Director of Operations c. Division Manager d. Maintenance Supervisors e. Technical Services Supervisor

3. SSO Status, Actions, Response 4. SSMP Review

a. SSMP Audit Checklist 5. SSMP SSO Recommendations, Changes, Corrections 6. Other


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Figure 10.2 SSMP Audit Checklist


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Figure 10.2 SSMP Audit Checklist (Continued)


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Triunfo Sanitation District 71 Sewer System Management Plan - 2009 7/22/2009

Section 11.0: Communication Program


The Enrollee shall communicate on a regular basis with the public on the development, implementation, and performance of its SSMP. The communication system shall provide the public the opportunity to provide input to the Enrollee as the program is developed and implemented. The Enrollee shall also create a plan of communication with systems that are tributary and/or satellite to the Enrollee’s sanitary system. 11.1.a The Enrollee shall communicate on a regular basis with the public on the development, implementation, and performance of its SSMP. The communication system shall provide the public the opportunity to provide input to the Enrollee as the program is developed and implemented.

The TSD Board of Directors approved the SSMP development and schedule on September 24, 2007 at a regular public meeting held at the Oak Park High School, 899 Kanan Road, Oak Park, California at 5:15 PM. The agenda consent item number 6 referenced the SSMP as the Sanitary Sewer Master Plan in error; it should have been the Sewer System Management Plan. The public had and will have the opportunity to provide input as the program continues to be developed and be implemented. The SSMP will be available on the TSD website soon after it’s completion in August, 2009. Public comments and input are available through the regular monthly public meetings at any time. Public comments

11.1.b The Enrollee shall also create a plan of communication with systems that are tributary and/or satellite to the Enrollee’s sanitary system.

Lake Sherwood, Westlake Village, North Ranch, and Oak Park The plan of communication with TSDs tributary and/or satellite systems is conducted through the Las Virgenes – Triunfo Joint Powers Authority monthly meetings for the communities of Lake Sherwood, Westlake Village, North Ranch, and Oak Park. TSD discharges its sanitary sewer system from these four communities into the LVMWD sewer lines and treated at the Tapia Water Reclamation Facility. Bell Canyon The plan of communication with TSDs tributary and/or satellite systems is conducted through an agreement with the City of Los Angeles for the community of Bell Canyon. TSD discharges its sanitary sewer system from Bell Canyon into the City of Los Angeles sewer lines and treated at the Tillman Water Reclamation Plant.

Triunfo Sanitation District 72 Sewer System Management Plan - 2009 7/22/2009

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