SLIDE 1
TOWN Of CARY
Post Construction Stakeholder Involvement Charles Brown Town of Cary
SLIDE 2 TOWN Of CARY
Issues to Address
- Who are the stakeholders
- Why the need for continuous stakeholder involvement
- Construction to Post Construction Process (Program
Background)
- Post Construction the Final Product
- Long Term Maintenance
SLIDE 3 TOWN Of CARY
Post Construction Stakeholders
- Designers (PE, RLA, etc.) of SCM
- Design
- Certification: Initial and Annually
- Modification
- HOA/Developer
- O&M of SCM in perpetuity
- SCM Contractors
- Monthly/Quarterly/Annual O&M
- Annually Certification if qualified
- Town of Cary
- Compliance
- Technical Assistance
SLIDE 4 TOWN Of CARY
- Answer why do we have SCM’s in the first place
- Construction to Post Construction – When to convert
- Finalizing - SCM and associated paperwork
- Letters for Final Compliance
- Transfer from Developer to Owner (HOA,
Association, etc.)
Stakeholder Issues
SLIDE 5 TOWN Of CARY
Stakeholder Issues
- Inspection Requirements – Forms and who performs them
- Operation and Maintenance Manuals (what applies)
- Repairs and/or changes made to SCM that affect
performance and Town not notified
- What is considered compliant vs non-compliant
- Common issues with maintenance
SLIDE 6 TOWN Of CARY
Construction to Post Construction
- Program Background
- Construction to Post Construction
- S&EC Device to SCM Device
- Timing of Conversion
- Timing from Developer to Owner
SLIDE 7 TOWN Of CARY
Initial Construction
- Plan Review
- Pre-Construction
- Grading Permit
- Certificate of Compliance
- Inspections/Enforcement
SLIDE 8
TOWN Of CARY
SCM ACKNOWLEDGEMENT
SLIDE 9 TOWN Of CARY
Stormwater Infrastructure Policy
§ 8.1.4 Cary Land Development Ordinance (C) Storm Drainage (d)The Town shall neither have nor accept any responsibility to maintain any storm drainage structures, except for those lying within a Town Right-of-Way or traversing Town-owned property.
- Glad to provide technical assistance
Right-of-Way Town-owned property
SLIDE 10 TOWN Of CARY
Conversion Issues
- Ensuring the Site is built out
– not just stable!
- Proper removal and disposal
- f sediment
- Ensuring proper volume
- No impact to the outlet
structure
SLIDE 11 TOWN Of CARY
- Ensure compliance of all SCM’s (Private and
Town owned)
- Ensure property owners maintain legal
responsibilities through the Land Development Ordinance (LDO)
- Ensure function per O&M Manual: Town will
follow-up on non compliant SCMs and require documentation of re-compliance
- Track progress, deadlines, ownership
information, photos, inspection reports, and site details
Post Construction Program Goals
SLIDE 12 TOWN Of CARY
Town of Cary SCM Records
1) Executed Deed 2) Operation & Maintenance Manuals - Site Specific 3) Maintenance Agreements - Signed 4) Survey Plot recordable w/SCM Access Easements 5) Financial Security Documentation 6) SCM, Access Easement & Agreement Documentation 7) Professional Engineer Certification (30 Days) 8) Soils report for Bioretention Devices 9) Reproducible records drawings
- The Town of Cary requires a final site visit with engineer
and owner before certificate of compliance letter is issued for SCM
SLIDE 13 TOWN Of CARY
Paperwork Issues
- Record Drawings do not have all information needed
per checklist
- Recorded documents needed – Access and
Easements Register of Deeds
- Recorded Plats – Time to route through the Town
- PE Certification (30 Days of completion)
SLIDE 14
TOWN Of CARY
Compliance Letter
SLIDE 15
TOWN Of CARY
Compliance Letter (cont.)
SLIDE 16 TOWN Of CARY
Issues with Post Construction
- Transfer from Developer to the HOA
- Change of Ownership or Management Companies
- Placing of items on the access easement that
block access to the SCM
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TOWN Of CARY
SCM GIS Database
SLIDE 18 TOWN Of CARY
SCM’s in Cary
- 214 Wet Ponds
- 199 Constructed Wetlands
- 154 Bioretention Areas
- 148 Level Spreaders
- 107 Dry Ponds
- 47 Underground Detention Systems
- 44 Grass Swales
- 44 Sand Filters
- 8 Proprietary Devices (must be pre-approved by DWQ)
- 11 Scour Hole
- 4 Plunge Pools
- 3 Riparian Buffers
- 1 Step Pool
- 1 Permeable Pavement
- Over 988 total at 476 sites
SLIDE 19
TOWN Of CARY
SCM Annual Inspection
SLIDE 20
TOWN Of CARY
Current Inspection Form
SLIDE 21
TOWN Of CARY
New Form
SLIDE 22 TOWN Of CARY
Site Specific based on date of approval Dictates maintenance in perpetuity
SLIDE 23
TOWN Of CARY
SLIDE 24 TOWN Of CARY
SCM’s Inspector Requirements
- Professional Engineer
- Registered Landscape Architect
- Professional Land Surveyor
- Also - the licensed professional (i.e., the inspector)
is ‘strongly encouraged’ to successfully complete the NCSU BMP Maintenance Certification Course
SLIDE 25 TOWN Of CARY
SCM Maintenance
- General maintenance should be done on a routine basis as
- utlined in the operations and maintenance manuals. They
dictate the maintenance needed. BMP manual has and will change over time.
- Work done out side of the scope of the maintenance manual
needs to be approved by the Town before work is performed.
- What is compliant vs non-compliant
SLIDE 26
TOWN Of CARY
Common Maintenance Issues
SLIDE 27
TOWN Of CARY
SLIDE 28
TOWN Of CARY
Questions and Answers
Charles Brown – 919-469-4038 charles.brown@townofcary.org