Landcom Book 4 Maintenance - WSUD
Landcom Book 4 Maintenance - WSUD
Landcom Book 4 Maintenance - WSUD
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Water Sensitive Urban Design<br />
B.3 Sedimentation Basin<br />
Item<br />
Performance<br />
Target<br />
Schedule<br />
<strong>Maintenance</strong> or<br />
Investigation<br />
(circle relevant category)<br />
Immediate<br />
Action<br />
Required<br />
Comment<br />
Action Processed<br />
1 GPT / trash rack/s<br />
GPT clear of<br />
litter<br />
GPT 10 percent<br />
full<br />
greater than 30<br />
percent full<br />
2 Inlet structures<br />
Clear and<br />
undamaged<br />
Partially<br />
Blocked<br />
Observed<br />
damage<br />
Mostly blocked<br />
Severe damage<br />
3 Overflow pits<br />
Clear and<br />
undamaged<br />
Partially<br />
Blocked<br />
Observed<br />
damage<br />
Mostly blocked<br />
Severe damage<br />
4 Sediment Forebay<br />
Sediment<br />
absent<br />
Sediment<br />
accumulation<br />
appears<br />
excessive<br />
Sediment<br />
accumulated to<br />
half the basin<br />
depth<br />
5 Erosion Erosion absent<br />
Erosion<br />
damage visible,<br />
but function<br />
not impaired<br />
Severe erosion.<br />
Damage<br />
impairing<br />
function of<br />
device<br />
Location<br />
(mark on attached map of<br />
sedimentation basin)<br />
6<br />
Sediment<br />
accumulation<br />
Sediment<br />
accumulated to<br />
less than half<br />
the basin depth<br />
Sediment<br />
accumulated to<br />
half basin depth<br />
Sediment<br />
accumulation<br />
greater than<br />
half the basin<br />
depth<br />
Note timing since last desilting<br />
operation<br />
80 <strong>Book</strong> 4 | MAINTENANCE
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