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Bioretention: Construction (view source)

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===Pre-Construction (KM)===

'''Design verification and site walk-through'''

{|class="wikitable"

|+ Types of green roofs: defined by construction depth

|-

!Verification point

!Key considerations

|-

!Planting medium depth

|10 - 15 cm||> 15 cm

|-

!Loading

|up to ~250 kg/m2||Limitless where 'roof' is at ground level

|-

!Cost

|Typically lower||Higher, including structural accommodations and plant selection

|-

!Maintenance

|Depends highly on the aesthetic expectations of stakeholders||Will be comparable to other landscapes, depending on access requirements.

|-

!Stormwater benefit

|Provides best cost-benefit balance||Varies highly

|-

!Biodiversity benefit

|Lower, depends on planting||Greater potential, depends on planting

|-

!Amenity benefit

|Usually visual only i.e. inaccessible||Often accessible

|}

'''Installation of ESC and Construction Fencing'''

'''ESC Inspection and Maintenance (ongoing)'''

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