Corpus sync: neutrality remakes, note hygiene, datasheet relocation, transformer-split cross-refs
---
title: Permeable Paving
…178 unchanged lines
## Concrete grid pavers are a niche variant used primarily for fire lanes, emergency access, and overflow parking, where load-bearing capacity is needed only intermittently and a vegetated or aggregate-filled surface is acceptable. {note}
+## The permeable pavement surface type shall be specified, suited to the loading and use it will serve.
+
```datasheet
label: Permeable pavement surface type
…7 unchanged lines
```
+## The traffic loading class shall be specified, and it shall govern the permeable pavement surface type and structural design selected.
+
```datasheet
label: Traffic loading class
…127 unchanged lines
## Surface drying during curing ravels the paste and weakens the bond at the void walls. {note}
+## The pervious concrete thickness shall be specified, sized to the traffic loading and structural design while meeting the specified void content and compressive strength.
+
```datasheet
label: Pervious concrete thickness
…461 unchanged lines
default: 2% of installed units
```