m |
m |
||
Line 29: | Line 29: | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td>Seattle Public Utilities (2008) /td> | + | <td>Seattle Public Utilities (2008)</td> |
− | <td>Loose lifts </td> | + | <td>Loose lifts</td> |
− | <td>Compact to 85 to 90% of modified maximum dry density </td> | + | <td>Compact to 85 to 90% of modified maximum dry density</td> |
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td>California Stormwater (CASQA 2003) </td> | + | <td>California Stormwater (CASQA 2003)</td> |
− | <td>460 mm or greater lifts </td> | + | <td>460 mm or greater lifts</td> |
− | <td>Light compaction </td> | + | <td>Light compaction</td> |
</tr> | </tr> | ||
</table> | </table> | ||
<noinclude>[[Category:Table]]</noinclude> | <noinclude>[[Category:Table]]</noinclude> |
Summary of recommended installation methods
Link to this table.
Jurisdiction | Guideline on lifts | Guideline on compaction |
---|---|---|
Prince George’s County, (2007) | 200 to 300 mm lifts | Natural compaction with light watering |
ARC TP10 (2003) | 300 to 400 mm lifts | Loose compaction by light tamping with backhoe bucket |
North Shore City Council (2009) | 300 mm lifts | Natural compaction with wetting of soil |
Melbourne (FAWB 2009b) | Two lifts if depth is over 500 mm | Light compaction; single pass with vibrating plate for small systems; single pass with roller for large systems |
Seattle Public Utilities (2008) | Loose lifts | Compact to 85 to 90% of modified maximum dry density |
California Stormwater (CASQA 2003) | 460 mm or greater lifts | Light compaction |