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|Permeability (mm/hr)||This is the permeability of the joint material in block systems. Where the permeability of the bulk surface is measured and known instead, the impervious fraction can be adjusted to model a block surface as continuously permeable instead.
|Permeability (mm/hr)||This is the permeability of the joint material in block systems. Where the permeability of the bulk surface is measured and known instead, the impervious fraction can be adjusted to model a block surface as continuously permeable instead.
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|Clogging factor||?
|[[Clogging]] factor||0.5 for matured system?
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!colspan = "2" style="background: darkcyan; color: white; align = center"|Soil (Bedding layer?)
!colspan = "2" style="background: darkcyan; color: white; align = center"|Soil (Bedding layer?)
|Clogging factor||?
|Clogging factor||?
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|Design drawdown time (hrs)||Recommend 48 hours?
|Design drawdown time (hrs)||See [[Drainage time]]
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!colspan = "2" style="background: darkcyan; color: white; align = center"|Drain (underdrain)
!colspan = "2" style="background: darkcyan; color: white; align = center"|Drain (underdrain)