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This presentation highlights the topics of defective laterals, private sanitary sewers, and the grease discharge program. It covers the inspection process, repair and enforcement procedures, the private sanitary sewers operating program, and the grease discharge program requirements. The presentation also provides contact information for further questions.
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Pollution Prevention in Private Sanitary Sewer Systems Presented by: Agustin Socarras, P.E. Chief, W & WW – Conveyance Section Department of Environmental Resources Management DERM Pollution Prevention and Environmental Essentials Conference July 31, 2002
Topics of Presentation • Defective Laterals (Smoke Testing) • Private Sanitary Sewers (PSO) • Grease Discharge Program (GDO)
Defective Laterals (Smoke Testing) Defective Clean-Out
Defective Laterals (Smoke Testing) Defective Lateral
Roof Interconnection Defective Laterals (Smoke Testing) Roof Drain
Defective Laterals (Smoke Testing) Interconnection
Defective Laterals Directional Drilling
Clean-Out Defects • Utility Leaves Door Hanger Notice • DERM follows up until corrected • Lateral Defects • Utility forwards field report to DERM • DERM follows up until corrected • Direct Drilling • Utility performs the repair • Roof Drain • Inspector issues Cease and Desist • Interconnection • Utility forwards field report to DERM • DERM follows up until corrected Repair / Enforcement
Repair / Enforcement * Defects identified by M-DWASD only.
Private Sanitary Sewers Operating Program (PSO) Who is required to have a PSO Permit? • Facilities with one, or more, Private Sanitary Sewer Pump Stations • Facilities with a large Sanitary Sewer Collection System • 1,000 L.F. or more of 6 in. pipe diameter, with or without a PS.
Private Sanitary Sewers Operating Program (PSO) • Main Requirements • Operations & Maintenance (O&M) Manual • December 1, 1999 • Sanitary Sewer Evaluation System (SSES) • Final report by November 12, 2002 • Must follow provisions and requirements set forth in the U.S. EPA's Sewer System Infrastructure Analysis and Rehabilitation Handbook (October, 1991 EPA/626/6-91/030)
Private Sanitary Sewers Operating Program (PSO) • Objectives of the Operations and Maintenance Manual • To demonstrate the facility’s capability to operate and maintain the system as intended. • To assure normal continues operation • Prevent environmental nuisances
Private Sanitary Sewers Operating Program (PSO) Sanitary Sewer Evaluation Survey (SSES) • To prevent sanitary sewage overflows (SSO) and exfiltration, and to reduce or eliminate infiltration /inflow of groundwater and rainwater into the sanitary sewer collection system by monitoring and required rehabilitation. • DERM prepared Guidelines
Private Sanitary Sewers Operating Program (PSO) • 775 private Sanitary Sewer Systems permitted • ALL are required to do the SSES by 11/12/02 • 23% Submitted • ALL were required to submit an Operation and Maintenance Manual • 97% Submitted
Grease Discharge Program (GDO) Program Objective • To reduce oil and grease concentrations in wastewater that is discharged to the public sanitary collection/transmission system by monitoring, sampling and educating facility operators.
Grease Discharge Program (GDO) Who is required to have a GDO Permit? • Restaurants • Bakeries • Cafeterias • Supermarkets • Food Processors • Specialty Shops • And Other Non-residential facilities
Grease Discharge Program (GDO) Common Problems Found: • Severe Rusting • Holes/Breaches • Missing/Broken Baffles • Poor Maintenance • Improper Plumbing • Undersized Systems • Wastewater Backups • Difficult Access
Legal Authority • Chapter 24 of Miami-Dade County Code • Chapter 62-604, State of Florida • M-DC Ordinance 94-132, GDO • M-DC Ordinance 96-166, PSO
Additional Questions? DERM - W&WW Conveyance Section, Ph. (305) 372-6899