8,255
edits
Changes
Jump to navigation
Jump to search
Created page with "'''The material pasted here has been retained for archival purposes only.''' Infiltration tests must be undertaken at the location, depth and with a..."
'''The material pasted here has been retained for archival purposes only.'''
[[Infiltration: Testing|Infiltration tests]] must be undertaken at the location, depth and with a head of water that replicates the proposed design.
{|class="wikitable"
|+ Suggested safety factors to be applied to measured percolation rate when designing infiltration facilities
|-
!rowspan = "2"|Catchment area
!colspan="3"|Consequence of failure
|-
!No damage or inconvenience
!Minor damage or inconvenience to external structures (e.g. ponding in parking lot)
!Significant damage to buildings or infrastructure (e.g. flooding damage)
|-
|<100 m<sup>2</sup>||1.5||2||10
|-
|100 - 1000 m<sup>2</sup>||1.5||3||10
|}
[[Infiltration: Testing|Infiltration tests]] must be undertaken at the location, depth and with a head of water that replicates the proposed design.
{|class="wikitable"
|+ Suggested safety factors to be applied to measured percolation rate when designing infiltration facilities
|-
!rowspan = "2"|Catchment area
!colspan="3"|Consequence of failure
|-
!No damage or inconvenience
!Minor damage or inconvenience to external structures (e.g. ponding in parking lot)
!Significant damage to buildings or infrastructure (e.g. flooding damage)
|-
|<100 m<sup>2</sup>||1.5||2||10
|-
|100 - 1000 m<sup>2</sup>||1.5||3||10
|}