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→Design Assumptions
* Growing medium depth of 4 inches.
* Growing medium depth of 4 inches.
* Plants consist of pre-grown sedum mats.
* Plants consist of pre-grown sedum mats.
* Operation and maintenance (O&M) cost estimates assume annual inspections, removal of trash and debris twice a year, and watering six times a year. Verification inspections are included every 5 years to confirm adequate maintenance.
* Operation and maintenance (O&M) cost estimates assume watering six times a year, annual inspections, removal of trash and debris twice a year, and weeding every five years. Verification inspections are included every 5 years to confirm adequate maintenance.
===Notes===
===Notes===