---
title: Earthwork
…380 unchanged lines
label: Trench Bottom Preparation — Pipe Bedding
type: select
+drawing_ref: "utility drawings"
options:
- "Undisturbed native soil shaped to pipe O.D."
- "Granular bedding material — minimum 4 in. depth below pipe"
− - "Crushed stone bedding — per utility drawings"
− - "Concrete cradle — per structural drawings"
+ - "Concrete cradle"
default: "Granular bedding material — minimum 4 in. depth below pipe"
```
…610 unchanged lines
label: Perimeter Sediment Control — Primary Method
type: select
+drawing_ref: "SWPPP site plan"
options:
- "Silt fence (slopes not exceeding 2:1, drainage area not exceeding 0.25 acre per 100 ft)"
- "Fiber wattle / compost sock"
- "Rock check dams (swales and channels)"
- "Sediment basin (drainage areas exceeding 5 acres)"
− - "Combination — per SWPPP site plan"
default: "Silt fence (slopes not exceeding 2:1, drainage area not exceeding 0.25 acre per 100 ft)"
```
…240 unchanged lines
## Accelerated settlement that exceeds the predicted range shall be reported immediately.