Line 48:
Line 48:
|75-150 || 150 || || || || || || || || || || ||
|75-150 || 150 || || || || || || || || || || ||
|-
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|colspan="2" style="color:red; text-align: left"| '''Gravel diaphram'''
|colspan="2" style="color:red; text-align: left"|'''Gravel diaphram'''
|-
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|colspan="2" style="color:black; text-align: right"| Diameter (mm)
|colspan="2" style="color:black; text-align: right"| Diameter (mm)
|| || || || 3-10 || || 3-10 || || || || || || || || || ||
|| || || || 3-10 || || 3-10 || || || || || || ||
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|colspan="2" style="color:black; text-align: right"|Min. Wide (mm)
|colspan="2" style="color:black; text-align: right"|Min. Wide (mm)
Line 66:
Line 66:
|-
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|colspan="2" style="color:red; text-align: left"|'''Enhanced grass swales area/contributing road surface'''
|colspan="2" style="color:red; text-align: left"|'''Enhanced grass swales area/contributing road surface'''
|1:1 || || || || || || || || || || ||
|1:1 || || || || || || || || || || || ||
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|colspan="2" style="color:red; text-align: left"|'''Drainage time of ponded water after the end of storm event , hr'''
|colspan="2" style="color:red; text-align: left"|'''Drainage time of ponded water after the end of storm event , hr'''