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Contractor Awareness Training Stormwater Facilities Introduction 2016

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Contractor Awareness Training Stormwater Facilities Introduction 2016

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Contractor Awareness Training Stormwater Facilities Introduction 2016

  1. 1. A Fairfax County, VA, publication Department of Public Works and Environmental Services Working for You! Stormwater Maintenance Awareness Training For privately maintained stormwater management facilities Maintenance and Stormwater Management Division (MSMD) Spring 2016
  2. 2. Stormwater Maintenance Awareness Training MSMD/DPWES Course Objectives • History of Stormwater Management (SWM) and regulations • Basic County inspection protocols for SWM facilities and Best Management Practices (BMPs) – Includes review of the inspection report, information provided to a private facility owner, and how to close an inspection • Common SWM/BMP facility types and their purpose/function • Typical SWM/BMP facility maintenance items (deficiencies) – Items which prevent a facility from functioning as designed • Most common remedies for SWM/BMP facility deficiencies • Additional resources and references 2
  3. 3. Stormwater Maintenance Awareness Training MSMD/DPWES Course Schedule AM session (includes two short breaks) – History of SWM and regulations – County inspection basics – The inspection report and Maintenance Activity Report (MAR) – Common SWM/BMP facility types • Common maintenance issues-General – Common SWM/BMP facility types, deficiencies and remedies • Above Ground Facilities 12:00-1:00 PM Lunch PM session (includes two short breaks) – Common SWM/BMP facility types, deficiencies and remedies • Below Ground Facilities • Vegetative Practices – Closing remarks/questions 3 NOTE: All pictures, unless noted, are the property of Fairfax County
  4. 4. Stormwater Maintenance Awareness Training MSMD/DPWES Participant Introductions • Name • Employer • Current position • Experience with SWM/BMP facilities • Course expectations *Important Reminders: • Please be sure to sign-in, as Certificates of Attendance and the Contractor Listing will be generated from that sheet. • Common abbreviations and acronyms are noted at the end of the Introduction section, for your reference. 4
  5. 5. Stormwater Maintenance Awareness Training MSMD/DPWES History of Stormwater Management WHY DO THIS TRAINING? • Fairfax County conducts inspections on all privately owned SWM/BMPs at least once every 5 years (750+/year). • Approximately 69% (3,900 of the 5,600) of SWM/BMP County facilities are privately owned. – More than 80% of privately owned facilities required maintenance (noted deficiencies) in the last inspection cycle. – Some owners lack a full understanding of the maintenance requirements for their SWM/BMPs. – Understanding the basic requirements & importance of timely maintenance/repairs serves everyone’s interest, supports public safety, & helps facilities function as designed. 5
  6. 6. Stormwater Maintenance Awareness Training MSMD/DPWES History of Stormwater Management WHAT’S NEXT? Fairfax County will compile a list of all attendees, and this list will be: – Posted on the County’s stormwater website as a public resource – Provided as an attachment with the final inspection report sent to each private owner – Used to notify attendees of any future County training opportunities So, let’s get started! Please note the following disclaimer will be on the County Contractor Listing: The companies and/or individuals listed below hold a Certificate of Attendance from the Fairfax County Maintenance and Stormwater Management Division’s Stormwater Maintenance Contractor Training Program. This training program is provided solely as a means for companies and/or individuals to be included on a contractor list and is not a requirement to perform maintenance on stormwater management facilities within Fairfax County. Fairfax County does not endorse or recommend any contractor or vendor and makes no representation or warranties regarding the qualifications or suitability of any particular contractor or vendor, nor does a contractor’s or vendor’s inclusion or non-inclusion on this list constitute any such representation or warranty. This list is provided solely as a service to our citizens and is not a representation that Fairfax County is in any way certifying the contractor’s or vendor’s qualificationsand ability to perform specified stormwater maintenance improvements. 6
  7. 7. Stormwater Maintenance Awareness Training MSMD/DPWES History of Stormwater Management Fairfax County Overview 7 • Washington, DC metropolitan area • 400 square miles • 30 Watersheds – Chesapeake Bay Watershed • 1.1 Million residents • Phase 1 MS4 Permittee
  8. 8. Stormwater Maintenance Awareness Training MSMD/DPWES History of Stormwater Management A watershed is an area of land which drains into a specific water body (e.g., river, stream, or lake) due to the topography of an area (i.e., the lay of the land). 8
  9. 9. Stormwater Maintenance Awareness Training MSMD/DPWES History of Stormwater Management • The County Storm Drainage System is a network of public and private structures, channels, and underground pipes that carries stormwater runoff directly to local receiving waters. – SWM/BMPs are a vital tool in managing this runoff. • Urbanization increases: – Non-point source pollution in stormwater run-off (a water quality issue) – Downstream flooding (a water quantity issue) 9
  10. 10. Stormwater Maintenance Awareness Training MSMD/DPWES History of Stormwater Management When SWM/BMP facilities function as designed they help to manage: • Water quality • Water quantity – Timing – Distribution 10 Collection Conveyance Management …interconnected…
  11. 11. Stormwater Maintenance Awareness Training MSMD/DPWES History of Stormwater Management • Stormwater Management (SWM, BMP, or both): – SWM facilities provide water quantity management through: • Reduction of downstream flooding via temporary storage • Quantity control of runoff from impervious areas (e.g., pavement, sidewalks, etc.) • Aiding control of larger flood events (i.e., 2- and 10-year events) – BMPs provide water quality management by temporary storage and via: • Settling • Infiltration (slow movement into ground) • Filtration (biological or mechanical separation) • Biological nutrient uptake 11
  12. 12. Stormwater Maintenance Awareness Training MSMD/DPWES Stormwater Regulations FAIRFAX COUNTY REGULATIONS OF INTEREST: • Fairfax County Codified Ordinances – Chapter 124: Stormwater Ordinance – Chapter 118: Chesapeake Bay Preservation Ordinance Code amendments are listed in detail at http://www.fairfaxcounty.gov/dpwes/ stormwaterordinance.htm 12 OF SPECIAL NOTE: • §124-2-10.3: All facilities should have access for maintenance and inspections. • §118-3-3: Notes the restrictions for pruning and removing trees, “noxious weeds and dead, diseased, or dying trees or shrubbery", as well as noting specific vegetation replacement requirements • §118-2-1e.7: Routine maintenance is allowed in Resource Protection and Chesapeake Bay Preservation Areas to ensure continued function per design.
  13. 13. Stormwater Maintenance Awareness Training MSMD/DPWES Stormwater Regulations FAIRFAX COUNTY REGULATIONS OF INTEREST(Continued): • Fairfax County Codified Ordinances – Chapter 112: Zoning Ordinance Code amendments are listed in detail at http://www.fairfaxcounty.gov/dpwes/ stormwaterordinance.htm 13 OF SPECIAL NOTE: • §112-13-300: Transitional Screening & Barriers • §112-17-106: Required Information on Site Plans: – 26. All proffered conditions…. – 30. Provisions for the adequate disposition of natural and stormwater in accordance with Chapter 124.
  14. 14. Stormwater Maintenance Awareness Training MSMD/DPWES Stormwater Regulations FAIRFAX COUNTY REGULATIONS OF INTEREST(Continued): • Fairfax County Codified Ordinances – Chapter 104: Erosion and Sediment (E&S) Control Code amendments are listed in detail at http://www.fairfaxcounty.gov/dpwes/ stormwaterordinance.htm 14 OF SPECIAL NOTE: • §104-1-8: Notes conservation standards and specifications for E&S controls for any land disturbing activities • §104-1-2, 3, & 4: Approved Conservation/E&S plan required for regulated land disturbance activities of greater than 2,500 ft2
  15. 15. Stormwater Maintenance Awareness Training MSMD/DPWES Stormwater Regulations FAIRFAX COUNTY REGULATIONS OF INTEREST(Continued): • Fairfax County PFM – Chapter 12: Tree Conservation – Chapter 6: Storm Drainage 15 OF SPECIAL NOTE: • §6-1306: Requirements for maintenance access, grading, etc. – §6-1310 to 6-1321: Design and access requirements, by SWM/BMP type • §6-1606.2G (impoundment areas and “likely sediment accumulation areas”) – Requires maintenance access and 20’ cleared access easement "from entrance along downstream side of embankment toe to the outlet channel"
  16. 16. Stormwater Maintenance Awareness Training MSMD/DPWES Stormwater Regulations Fairfax County PFM • §6-1606-2A; §6-1318.3D; §6-1319.3D; & §6-1320.3D (sediment forebays for SWM permanent pools, constructed WL, WP and DP, respectively) – Recommends “an onsite area designated for sediment dewatering and disposal” 16 • VMRC, VDEQ, & the County may require permits for any land disturbance, dredging, and/or on-site disposal of dredge spoils. – Permits are often project specific VMRC-Virginia Marine Resources Commission VDEQ-Virginia Department of Environmental Quality FAIRFAX COUNTY REGULATIONS/OF SPECIAL NOTE (Continued):
  17. 17. Stormwater Maintenance Awareness Training MSMD/DPWES Stormwater Regulations • Useful contact references: – DPWES-MSMD-703.877.2800 – Permits, Clearing and Grading- 703.324.1730 – Permits, Special Exceptions- 703.324.1290 – Permit Applications Center- 703.222.0801 – VMRC Habitat permit-757.247.2252 – VDEQ-800.698.4000 DPWES-Department of Public Works and Environmental Services MSMD-Maintenance and Stormwater Management 17 • Contractors do not need a special business disposal permit to haul dredge to a landfill. – Prior coordination is recommended during the bid process to confirm acceptance and existence of any special requirements (e.g., hazardous material testing, etc.). – County’s I-95 Landfill in Lorton may have areas for dewatering and potential reuse. (703.690.1703) FAIRFAX COUNTY REGULATIONS/OF SPECIAL NOTE (Continued):
  18. 18. Stormwater Maintenance Awareness Training MSMD/DPWES Stormwater Regulations STATE REGULATIONS OF INTEREST: • Virginia Pollutant Discharge Elimination System Permit Program (VPDES)-VDEQ • Virginia Stormwater Management Program (VSMP) (§9VAC25-870) • Virginia Chesapeake Bay Preservation Act (§9VAC25-830) • VMRC Habitat Management Division regulations for subaqueous or bottomlands & tidal wetlands (§4 VAC 20-395-10 et seq., 4 VAC 20-400-10 et seq. and Subaqueous Guidelines) • Virginia Department of Transportation: – (VDOT) Right-of-Way (ROW) Manual – Virginia Work Area Protection Manual – Procedural Memorandum (Supplemental ROW Dedication) 18 OF SPECIAL NOTE: • Per County Public Facility Manual §1-0602: Unless a more stringent County standard exists, use VDOT standards. • VDOT permits may be required for temporary traffic control and includes post-construction utility work/ maintenance. • As of 3/1/14, per VDOT website (N. VA Fairfax and Arlington Counties Permits), VDOT permits for minor sites with no impact to VDOT ROW or high traffic volumes may be waived, but you should still submit for permit review.
  19. 19. Stormwater Maintenance Awareness Training MSMD/DPWES Stormwater Regulations FEDERAL REGULATIONS OF INTEREST: • The Clean Water Act-primary law for protecting the Nation’s water quality and integrity • National Pollutant Discharge Elimination System (NPDES) (§402) • OSHA Confined Space Regulation (29 CFR 1910.146) • US Army Corps of Engineers (USACE) Nationwide Permit (NWP) #43- Stormwater Management Facilities (77 FR 10184) 19 Of Special Note: • Confined Space Certification and entry permits are REQUIRED to enter any applicable space. • USACE permits are required for work in areas designated as wetlands . – Permits allow for proper maintenance of authorized structures or fills. – Permits include proper discharges of dredged or fill material into non-tidal waters of the United States. – “Critical resource waters” may have additional special requirements.
  20. 20. Stormwater Maintenance Awareness Training MSMD/DPWES Fairfax County Inspections-Basic Overview 20
  21. 21. Stormwater Maintenance Awareness Training MSMD/DPWES Fairfax County Inspections- Basic Overview Private Inspection Program’s 4 basic steps: • Step 1 – The County notifies the owner in advance of an inspection. – Inspectors prepare appropriate maps/documents (e.g., appropriate County Inspection form for the SWM/BMP type, easement information, etc.). • Step 2 – Visual condition assessments (inspections) are conducted & facility components documented by photograph. – Common maintenance items are recorded by relative severity on a field inspection form and any unusual items are noted. 21 Step 1 Pre-Assessment Research Step 2 Visual Condition Assessment Step 3 Reporting & Tracking Step 4 Enforcement
  22. 22. Stormwater Maintenance Awareness Training MSMD/DPWES Fairfax County Inspections- Basic Overview • Step 3 – Inspection results are then verified, reviewed, and formatted in the office into a formal report provided to the owner. – Owner responses are tracked in a County database, with checkpoints at specific dates from when the owner received the inspection report and follow-up correspondence. • 45-days (deadline for maintenance completion/written response) • 90- & 135-days (responses are delinquent) • A completed/signed Maintenance Activity Report (MAR) MUST be received to close the inspection file! NOTE: Inspections are only a “point in time” observation of the condition at a SWM/BMP facility. 22
  23. 23. Stormwater Maintenance Awareness Training MSMD/DPWES Fairfax County Inspections- Reports & Forms • Within approximately thirty (30) days of a completed inspection, the County provides a Notice of Inspection (NOI) to the facility owner, which currently includes all available documents as follows: – Cover letter – Condition Assessment Report (CAR) – Photos with captions and an o orientation sketch – Maintenance Activity Report (MAR) – Private Maintenance Agreement (PMA), if applicable – Site Plans – Tax and GIS Maps – Maintenance Guidelines and “Owner’s Guide” Brochure 23
  24. 24. Stormwater Maintenance Awareness Training MSMD/DPWES Fairfax County Inspections-CAR Examples of a CAR: 24 6 7 8 S0XXX/UG00XX
  25. 25. Stormwater Maintenance Awareness Training MSMD/DPWES Fairfax County Inspections- MAR/Owner Response • To ensure an adequate response, a fully completed MAR should note the following: – Site ID and Facility ID, as noted on the NOI and all inspection forms • Please make sure this is also noted in any verbal/written correspondence. – Must address each maintenance issue described in the CAR • Attach copies of photos, invoices, contracts, proposals, and/or work plans to MAR. – MAR form completed and signed – A completed/signed MAR MUST be received to close the inspection file! 25
  26. 26. Stormwater Maintenance Awareness Training MSMD/DPWES Fairfax County Inspections- Owner Response Please note: • Documenting the work requested and completed is very important! • Regular updates on complex repairs/situations will not stop letters or enforcement actions, but they will be noted and taken into consideration. • Relaying the above information via telephone does not substitute for completion and return of the MAR form. • No extensions will be granted. • All work must be completed in order to have the facility file closed. • E-mail address: dpwes-msmd-inspections@fairfaxcounty.gov 26
  27. 27. Stormwater Maintenance Awareness Training MSMD/DPWES Fairfax County Inspections-Response Timeframes • Step 4 – If facility deficiencies are noted, the owners are requested to return a fully completed MAR, upon maintenance completion and within 45 days. • If no response is submitted, owners receive 45- and 90-day follow- up letters, as required. • After 135 days and no MAR received by DPWES, the file is then forwarded for enforcement review and follow-up. • Non-compliance can face injunctions as well as civil/criminal penalties, dependent upon the circumstances and severity of the violation. – Public health, safety, and welfare are priority concerns. – If a fully completed MAR is received within the allowable timeframe, the file is closed until the next scheduled inspection. 27
  28. 28. Stormwater Maintenance Awareness Training MSMD/DPWES Common SWM/BMP Facility Types • Above-Ground Facilities – Wet and Dry Ponds (WP, DP) – Infiltration Trenches (TR) – Wetlands (WL) – Permeable Pavement (PP) – Rooftop Detention (RT) • Below Ground Facilities – Underground Detention (UG) – Sand Filters (SF) – Manufactured BMPs (MB) • Proprietary • Non-proprietary 28 • Vegetative Practices – Bioretention (BR) – Tree Filters (TF) – Green Roof (GR) – Vegetative Swales (VS) BR 11% DP 14% MB 4% RT 12%SF 6% TF 5% TR 25% UG 14% WP 8% BR DP FB GR MB PL PP RF RT SF TF TR UG VS WL WP
  29. 29. Stormwater Maintenance Awareness Training MSMD/DPWES Common Maintenance Items-General • Blockages – Restriction/obstruction of water flow • Spalling/Cracks – Material (e.g., concrete, metal, etc.) eroding, deteriorating, or becoming brittle 29
  30. 30. Stormwater Maintenance Awareness Training MSMD/DPWES Common Maintenance Items-General • RCP Joint Issues • Overgrown Vegetation – Overgrowth can compromise a facility’s accessibility, function, and design (e.g., obstruct or alter water flow during storm events). 30 LEFT: Significant pipe separation and misalignment BOTTOM: Overgrown inletGood Misalignment Separation
  31. 31. Stormwater Maintenance Awareness Training MSMD/DPWES Common Maintenance Items-General • Encroachments – Objects which are not part of the original design, create potential obstruction, and alter facility function are considered encroachments. – Evidence of human habitation in the impoundment area or within the riser is also a safety issue. • Graffiti – If graffiti is visible to the public, it can be a potential security issue, as well as an eyesore. 31
  32. 32. Stormwater Maintenance Awareness Training MSMD/DPWES We will start Above Ground Facilities after a short BREAK… 32
  33. 33. Stormwater Maintenance Awareness Training MSMD/DPWES Common Acronyms & Abbreviations • GENERAL – MSMD – Maintenance and Stormwater Management Division – DPWES – Department of Public Works and Environmental Services – BMP – Best Management Practice (stormwater quality treatment) – CAR – Condition Assessment Report – LID – Low Impact Development – MAR – Maintenance Activity Report – NOI – Notice of Inspection – NOV – Notice of Violation – PMA – Private Maintenance Agreement – PFM – Public Facilities Manual – SWM – Stormwater Management (stormwater quantity treatment) – GIS – Geographic Information System (a mapping software) 33
  34. 34. Stormwater Maintenance Awareness Training MSMD/DPWES Common Acronyms & Abbreviations Facility Types and Components • BR – Bioretention • CI – Curb Inlet • CMP – Corrugated Metal Pipe • DI – Drop Inlet • DP – Dry Pond • D/S - Downstream • ES – Emergency Spillway • EW – End Wall • FB – Forebay • GR – Green Roof • MB – Manufactured BMP • MH – Manhole • OS – Open Space • PL – Parking Lot • PP – Porous Pavement 34 (Note: If used in an NOI, they will be defined in report.) • PSP – Principle Spillway Pipe • RCP – Reinforced Concrete Pipe • RT – Rooftop Detention • SF – Sand Filter • TF – Tree Filter • TR – Infiltration Trench • UG – Underground Detention • U/S - Upstream • VF – Vegetated Filter • VS – Vegetated Swale • WL – Wetland • WP – Wet Pond • YI – Yard Inlet

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