Working Page 8
Working Page 8
Revision as of 15:05, 2 August 2024 by James Klassen (talk | contribs)
| Table A-1.1.3.2. Characteristics of Vegetated Roof Systems, by Type Forming Part of Note A-1.1.3.2. |
| Characteristics | Extensive | System Type Semi-Intensive |
Intensive |
|---|---|---|---|
| FLL Category | Extensive greening | Semi-Intensive greening | Intensive greening |
| Vegetation support depth* | 152.4 mm (6”) to 203.2 mm (8”) |
152.4 mm (6”) to 355.6 mm (14”) |
Greater than 355.6 mm (14”) |
| Accessibility | Often inaccessible except for maintenance |
May be partially accessible | Usually accessible (public or private) |
| Fully saturated weight (typical ranges†) |
Low 48.8 – 170.9 Kg/m2 (10-35 lb/sf) |
Moderate 170.9 – 244.1 Kg/m2 (35 – 50 lb/sf) |
High 170.9 – 1464.7 Kg/m2(36 – 300 lb/sf) |
| Plant diversity†† | Low | Greater | Greatest |
| Cost | Low | Generally mid-range | Higher |
| Maintenance** | Minimal | Variable, depending on vegetation selection |
Generally high |