Drainage variables |
|
| Pipe diameter (Reinforced Concrete pipe) |
m
|
| Depth to invert (Excavation depth) |
m
|
| Hardfill backfill (% of trench) |
%
|
| Haunching aggregate required 1=yes and 0=no |
Switch
|
| Pavement depth in meters (Reduces the hardfill) |
m
|
| Productive hours per day |
hr/d
|
Excavators/productivity |
|
| Excavator size (Ton) |
ton
|
| % of greenfield productivity (%) |
%
|
| Location Rural = 100 Small City = 85 Big City = 75 (%) |
%
|
| Production Rate | Value | Unit |
| Stormwater pipe laying production rate | 0 | m/day |
| Trench shield requirements | Value | Unit |
| Shield trench requirement switch | 0 | Switch |
| Number of shields required? | 0 | No. |
| Trench volumes | Value | Unit |
| Pipe wall thickness | 0 | No. |
| Pipe external diameter | 0 | m |
| Trench width | 0 | m |
| Trench volume | 0 | m3/m |
| Pipe volume | 0 | m3/m |
| Bedding and backfill volumes | Value | Unit |
| Bedding volume | 0 | m3/m |
| Haunching volume | 0 | m3/m |
| Hardfill volume | 0 | m3/m |
| Cut to waste volume | 0 | m3/m |
| Production rates | Value | Unit |
| Excavator productivity per hour | 0 | m3/hr |
| Excavator productivity per meter | 0 | m/hr |
| Lay pipe productivity | 0 | m/hr |
| Backfill bedding and fill productivity | 0 | m/hr |
| Place shields productivity | 0 | m/hr |
