ESD Maintenance
What needs to be done
Construction Inspection & Verification
Operating Inspection
Maintenance
Major Repairs
Who is responsible
"....we do not have an answer to ESD on-lot maintenance...."
               -  Jay Sakai, Director, MDE Water Management Administration
Who can do this
ESD changes design - Shouldn't verification change??
Changing the roles of:
Municipality
Sediment Control Inspectors
Certifying Professionals
Other factors
Universal factors
Dewatering
Pollutant sources
Sedimentation
Structural Integrity
Caking
Mulch
Construction Issues
Vegetation-based
minor erosion...
...creates sediment
media replacement
underdrain reconstruction
permeable pavement repair
Maintenance burden is reduced...
...because pollutant loads are dispersed....
assuming maintenance actually happens
Most repairs are due to construction issues
Plant Material
Erosion
Vermin
Sweep Permeable Paving
mulch replacement
understanding function
Routine Mulch
Maintenance
Maintenance Contractors
Landscapers
Excavation / Utility
Specialized / Hybrid
HOMEOWNERS??
Inspectors
Municipalities
Engineers
Landscape Architects
HOMEOWNERS??
Understanding Function:
Impoundment
Dewatering
Pollutant uptake
HOMEOWNERS??
Details, details, details
Right-sized equipment
Education
    Communication
Commercial:Landowners
Municipal:DPW
Condos:Association
Residential Common Areas:
Association?
Municipality?
Residential On-lot:
Individual Lot Owners?
Inforcement:Municipality
Maintenance
Inspection
Preventive: Maintenance provider
Enforcement:
Maintenance provider?
Municipality?
3rd party?
Landowner?
Construction:
Is YOUR lot grading contractor qualified?
How about the landscaper??
Is the excavator willing to re-mobilize???
How much does maintenance cost?
Passive Vegetative Practices
Regenerative
Normal turf costs
Per annual inspections
Permeable Paving maintenance:
$.015 - $.025 per sf
$625 - $1,100 per acre
Frequency:  Annual
Doing it right: $0.60 per sf
Quarterly visits
Veg pruning & replacement
Fertilizer, Pesticides
Mulch replacement
De-caking
Minor repairs
Annual inspections
Bioretention
Bioretention
Doing it wrong:  $0.10 - $0.20 per sf
Typical landscape maintenance
Bioretention
Do nothing:  Priceless
May 17, 2011, Chesapeake Water Environment Assoc. Seminar