8,255
edits
Changes
Jump to navigation
Jump to search
Line 6:
Line 6: − + − +
no edit summary
<tr><th colspan =2>Materials</th></tr>
<tr><th colspan =2>Materials</th></tr>
<tr><td width = "5%"></td><td>Gravel for the underdrain should be clean and washed; no fines should be present in the material</td></tr>
<tr><td width = "5%"></td><td>Gravel for the underdrain should be clean and washed; no fines should be present in the material</td></tr>
<tr><td></td><td>Underdrain pipe material should be perforated and of the correct size</td></tr>
<tr><td></td><td>Underdrain pipe material should be perforated and of the correct size (when specified in design)</td></tr>
<tr><td></td><td>A cap should be placed on the upstream (but not the downstream) end of the underdrain</td></tr>
<tr><td></td><td>A cap should be placed on the upstream (but not the downstream) end of the underdrain (when specified in design)</td></tr>
<tr><td></td><td>Biomedia should be tested to confirm that it meets specifications</td></tr>
<tr><td></td><td>Biomedia should be tested to confirm that it meets specifications</td></tr>
<tr><td></td><td>Mulch composition should be correct</td></tr>
<tr><td></td><td>Mulch composition should be correct</td></tr>