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Managing Stormwater Management for Property Managers Sw Maintenance
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Managing Stormwater Management for Property Managers Sw Maintenance

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A presentation for Facility and Property Managers on what is stormwater management, why it is on sites, and how to best manage the infrastructure with inspection and maintenance programs. We are …

A presentation for Facility and Property Managers on what is stormwater management, why it is on sites, and how to best manage the infrastructure with inspection and maintenance programs. We are available to present this at no charge to property management firms in the Maryland / Northern Virginia area. Also available in other areas - fees and travel expenses will apply.

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  • 1. Theodore E. Scott, PE, CPESC Stormwater Maintenance, LLC T.E. Scott & Associates, Inc. 128 Cockeysville Road, Suite 200 Hunt Valley, Maryland 21030 tes@MdSWM.com 410.785.0875 www.SWMaintenance.com Managing Stormwater Management Issues affecting property management professionals MAINTAINING STORMWATER MANAGEMENT
  • 2. THE STORMWATER MAINTENANCE, LLC PROGRAM REASONS TO DO THE RIGHT THING SMART INFRASTRUCTURE MANAGEMENT INTRO TO STORMWATER MANAGEMENT OUTLINE MAINTAINING STORMWATER MANAGEMENT
  • 3. What is stormwater management? Types of ponds, BMP’s, vaults Why is it on my site? Can it be ignored? INTRO TO STORMWATER MANAGEMENT MAINTAINING STORMWATER MANAGEMENT
  • 4.
    • Post World War II to 1980’s
    • Conveyance Only
    • Isolated Large-scale flood control
    • Site Development - Not mandated
    INTRO TO STORMWATER MANAGEMENT WHAT IS STORMWATER MANAGEMENT? - TIMELINE MAINTAINING STORMWATER MANAGEMENT
  • 5.
    • Drainage Infrastructure
    • Prevents Localized Flooding
    • Removes runoff from use areas
    • Conveys water and pollutants
    INTRO TO STORMWATER MANAGEMENT WHAT IS STORMWATER MANAGEMENT? - Conveyance MAINTAINING STORMWATER MANAGEMENT
  • 6. Drainage Infrastructure Inlets / Catch Basins INTRO TO STORMWATER MANAGEMENT WHAT IS STORMWATER MANAGEMENT? - Conveyance MAINTAINING STORMWATER MANAGEMENT
  • 7. Drainage Infrastructure Pipes INTRO TO STORMWATER MANAGEMENT WHAT IS STORMWATER MANAGEMENT? - Conveyance MAINTAINING STORMWATER MANAGEMENT
  • 8. Drainage Infrastructure Manholes INTRO TO STORMWATER MANAGEMENT WHAT IS STORMWATER MANAGEMENT? - Conveyance MAINTAINING STORMWATER MANAGEMENT
  • 9. Drainage Infrastructure Channels / Swales INTRO TO STORMWATER MANAGEMENT WHAT IS STORMWATER MANAGEMENT? - Conveyance MAINTAINING STORMWATER MANAGEMENT
  • 10.
    • 1980’s into 1990’s
    • Flood control
    • Protecting downstream owners
    • Major storm events 2-, 10-, 100-Year
    • Convey pollutants downstream
    INTRO TO STORMWATER MANAGEMENT WHAT IS STORMWATER MANAGEMENT? - TIMELINE MAINTAINING STORMWATER MANAGEMENT
  • 11. Above-Ground Dry Ponds INTRO TO STORMWATER MANAGEMENT Types of ponds, BMPs and vaults MAINTAINING STORMWATER MANAGEMENT
  • 12. Above-Ground Wet Ponds INTRO TO STORMWATER MANAGEMENT Types of ponds, BMPs and vaults MAINTAINING STORMWATER MANAGEMENT
  • 13.
    • 1990’s into 2000’s
    • Trend - Control of smaller storms
    • Pollutant Removal
    • Groundwater Recharge
    • Restoration Initiatives
    INTRO TO STORMWATER MANAGEMENT WHAT IS STORMWATER MANAGEMENT? - TIMELINE MAINTAINING STORMWATER MANAGEMENT
  • 14.
    • Pollutants
    • Sediment / erosion
    • Trash and Debris
    • Oils
    • Chemicals – pesticides
    • Spills
    • More Trash and Debris
    • De-icing materials
    INTRO TO STORMWATER MANAGEMENT WHAT IS STORMWATER MANAGEMENT? - Background MAINTAINING STORMWATER MANAGEMENT
  • 15. Pollutants INTRO TO STORMWATER MANAGEMENT WHAT IS STORMWATER MANAGEMENT? - Background MAINTAINING STORMWATER MANAGEMENT
  • 16. Post-2000 BMPs Rain Gardens Bioretention Sand Filters Swales Green, Landscape-based ENVIRONMENTAL SITE DESIGN (ESD) INTRO TO STORMWATER MANAGEMENT Types of ponds, BMPs and vaults MAINTAINING STORMWATER MANAGEMENT
  • 17. Underground / Vaults Proprietary Products Subsurface Sand Filters Large Diameter Pipe Storage INTRO TO STORMWATER MANAGEMENT Types of ponds, BMPs and vaults MAINTAINING STORMWATER MANAGEMENT
  • 18. Site Development Requirement EPA (NPDES)….State….Local - Design - Reviews/Approvals - As-Built - Ownership Responsibilities / Covenants INTRO TO STORMWATER MANAGEMENT Why is it on my site? MAINTAINING STORMWATER MANAGEMENT
  • 19.
    • Ownership Responsibilities
    • Per Plans / Recorded Covenants
    • Inspection
    • Maintenance
    • Repair
    INTRO TO STORMWATER MANAGEMENT Can it be ignored? MAINTAINING STORMWATER MANAGEMENT
  • 20.
    • Municipal Responsibilities
    • Inspection
    • During 1 st Year
    • Every 3 Years
    • Advise Owner of needed work
    • Perform if owner refuses
    • Assess on property taxes
    INTRO TO STORMWATER MANAGEMENT Can it be ignored? MAINTAINING STORMWATER MANAGEMENT
  • 21. Inspections Routine Maintenance Repairs SMART INFRASTRUCTURE MANAGEMENT MAINTAINING STORMWATER MANAGEMENT
  • 22.
    • Frequency
    • Routine - Annual
    • Minimum Recommended
    • Post-Storm
    • Due Diligence
    • When problems ID’ed
    SMART INFRASTRUCTURE MANAGEMENT Inspections MAINTAINING STORMWATER MANAGEMENT
  • 23.
    • What we look for – Drainage Infrastructure
    • Sediment
    • Trash / Debris
    • Sinkholes
    • Poor Drainage
    • Blockages
    SMART INFRASTRUCTURE MANAGEMENT Inspections MAINTAINING STORMWATER MANAGEMENT
  • 24.
    • What we look for – Surface Facilities
    • Overgrown Fill Embankments No Trees!
    • Eroded Inflows
    • Clogged Low Flows
    • Damaged Pipes
    • Eroded Slopes
    • Poor Stabilization
    • Vermin
    SMART INFRASTRUCTURE MANAGEMENT Inspections MAINTAINING STORMWATER MANAGEMENT
  • 25. What we look for – Surface Facilities SMART INFRASTRUCTURE MANAGEMENT Inspections MAINTAINING STORMWATER MANAGEMENT
  • 26. What we look for – Surface Facilities SMART INFRASTRUCTURE MANAGEMENT Inspections MAINTAINING STORMWATER MANAGEMENT
  • 27.
    • What we look for – Underground Facilities
    • Sediment Accumulation
    • Damage
    • Clogs
    SMART INFRASTRUCTURE MANAGEMENT Inspections MAINTAINING STORMWATER MANAGEMENT
  • 28. What we look for – Underground Facilities SMART INFRASTRUCTURE MANAGEMENT Inspections MAINTAINING STORMWATER MANAGEMENT
  • 29. What we Maintain – Drainage Infrastructure After Before SMART INFRASTRUCTURE MANAGEMENT Routine Maintenance MAINTAINING STORMWATER MANAGEMENT
  • 30. What we Maintain – Drainage Infrastructure After Before SMART INFRASTRUCTURE MANAGEMENT Routine Maintenance MAINTAINING STORMWATER MANAGEMENT
  • 31. What we Maintain – Drainage Infrastructure After Before SMART INFRASTRUCTURE MANAGEMENT Routine Maintenance MAINTAINING STORMWATER MANAGEMENT
  • 32.
    • What we Maintain – Surface Facilities
    • Ground Cover
    • Trash / Debris
    • Minor Sediment
    • Minor Erosion
    • Ensure no clogging
    • Recommended Frequency:
    • 4 times annually
    SMART INFRASTRUCTURE MANAGEMENT Routine Maintenance MAINTAINING STORMWATER MANAGEMENT
  • 33. What we Maintain – Surface Facilities SMART INFRASTRUCTURE MANAGEMENT Routine Maintenance MAINTAINING STORMWATER MANAGEMENT
  • 34.
    • What we Maintain – Underground Facilities
    • Control Structure
    • Vac Storage Area
    • Recommended Frequency: As Needed per Inspection – up to 1 time annually
    SMART INFRASTRUCTURE MANAGEMENT Routine Maintenance MAINTAINING STORMWATER MANAGEMENT
  • 35. EARLY REPAIRS REDUCE COSTS! Repair erosion --- less sediment to cleanout Fix pipe joints - less major pipe replacement Unclog low flows -- less sediment & erosion Line pipes – later replacement Fill sinkholes – less major pipe work SMART INFRASTRUCTURE MANAGEMENT Repairs MAINTAINING STORMWATER MANAGEMENT
  • 36. Before After Before After SMART INFRASTRUCTURE MANAGEMENT Repairs MAINTAINING STORMWATER MANAGEMENT
  • 37. Before After Before After SMART INFRASTRUCTURE MANAGEMENT Repairs MAINTAINING STORMWATER MANAGEMENT
  • 38. Before After SMART INFRASTRUCTURE MANAGEMENT Repairs MAINTAINING STORMWATER MANAGEMENT
  • 39. Before After SMART INFRASTRUCTURE MANAGEMENT Repairs MAINTAINING STORMWATER MANAGEMENT
  • 40. Before After Before After SMART INFRASTRUCTURE MANAGEMENT Repairs MAINTAINING STORMWATER MANAGEMENT
  • 41. Before After SMART INFRASTRUCTURE MANAGEMENT Repairs MAINTAINING STORMWATER MANAGEMENT
  • 42. Before After SMART INFRASTRUCTURE MANAGEMENT Repairs MAINTAINING STORMWATER MANAGEMENT
  • 43.
    • Factors affecting early major expenditures
    • Geology
    • Design
    • Construction
    • Use
    • De-Icing
    SMART INFRASTRUCTURE MANAGEMENT Major expenditures / Replacement MAINTAINING STORMWATER MANAGEMENT
  • 44.
    • Materials Lifecycle Examples
    • Metal pipe – 20+/- years
    • Concrete pipe – 50+/- years
    • Lifecycles affected by many factors including construction, Soil pH, etc.
    • SWM typical time to major expenditures
    • No maintenance – 5 years
    • Sporadic maintenance – 10 years
    • Routine maintenance – materials lifecycle
    SMART INFRASTRUCTURE MANAGEMENT Major expenditures / Replacement MAINTAINING STORMWATER MANAGEMENT
  • 45. Metal Pipe – Be Prepared SMART INFRASTRUCTURE MANAGEMENT Major expenditures / Replacement MAINTAINING STORMWATER MANAGEMENT
  • 46.
    • Make personal contact
    • Take swift action
    • Have contractor contact
    • Follow-up after work is complete
    • Hire professionals
    REASONS TO DO THE RIGHT THING What to do if the County comes calling MAINTAINING STORMWATER MANAGEMENT
  • 47.
    • Compliance
    • Budgeting
    • Reduce long-term costs
    • Environmental benefits
    • Public Relations
    REASONS TO DO THE RIGHT THING MAINTAINING STORMWATER MANAGEMENT
  • 48.
    • Know your responsibility
    • Inspection
    • Maintenance
    • Repairs
    • Stay AHEAD of County Inspectors
    • Reduce “putting out fires”
    REASONS TO DO THE RIGHT THING Compliance MAINTAINING STORMWATER MANAGEMENT
  • 49. Formula for predictability P=I+M R +R OC where: P = Predictability I = Inspection M R = Routine Maintenance R OC = Occasional Minor Repairs REASONS TO DO THE RIGHT THING Budgeting MAINTAINING STORMWATER MANAGEMENT
  • 50.
    • Stormwater links every site to the natural environment
    • Stormwater Management design purpose
    • Reduce impact on environment
    • Remove Pollutants
    • Contribute to habitat
    • Purpose is voided without maintenance
    • Initial infrastructure cost is wasted
    • SWM can become a source of pollution
    REASONS TO DO THE RIGHT THING Environmental benefits MAINTAINING STORMWATER MANAGEMENT
  • 51. “ U.S. EPA Reaches Water Pollution Settlement with Wal-Mart; Retailer to Pay $1 Million Fine, Establish $4.5 Million Environmental Management Plan” REASONS TO DO THE RIGHT THING Public relations MAINTAINING STORMWATER MANAGEMENT
  • 52. OWNER REPRESENTATION Annual Inspection - Photo reports / Recommendations Above-Ground - Annual Maintenance Contracts - Quote Repairs per Inspection Below Ground - Recommend Maintenance per Inspection Major Repairs - In-house Design / Permitting / Certification STORMWATER MAINTENANCE, LLC Our Program MAINTAINING STORMWATER MANAGEMENT
  • 53. Theodore E. Scott, PE, CPESC Stormwater Maintenance, LLC T.E. Scott & Associates, Inc. 128 Cockeysville Road, Suite 200 Hunt Valley, Maryland 21030 tes@MdSWM.com 410.785.0875 www.SWMaintenance.com QUESTIONS & ANSWERS MAINTAINING STORMWATER MANAGEMENT