Post Construction Stakeholder Involvement Charles Brown 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
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
Stakeholder Issues 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 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
Construction to Post Construction Program Background Construction to Post Construction - S&EC Device to SCM Device Timing of Conversion Timing from Developer to Owner
Initial Construction Plan Review Pre-Construction Grading Permit Certificate of Compliance Inspections/Enforcement
SCM ACKNOWLEDGEMENT
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
Conversion Issues Ensuring the Site is built out not just stable! Proper removal and disposal of sediment Ensuring proper volume No impact to the outlet structure Permanent stabilization
Post Construction Program Goals 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
Town of Cary SCM Records SCM files include: 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
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)
Compliance Letter
Compliance Letter (cont.)
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
SCM GIS Database
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
SCM Annual Inspection
Current Inspection Form
New Form
Site Specific based on date of approval Dictates maintenance in perpetuity
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
SCM Maintenance General maintenance should be done on a routine basis as outlined 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
Common Maintenance Issues
Questions and Answers Charles Brown 919-469-4038 charles.brown@townofcary.org