Table 1: Excavation work
No |
Item |
Unit |
Qty |
A. Package 60/XL-AL |
|
|
|
1 |
Penstock, intake |
|
|
|
Excavation of foundation |
100m3 |
297.96 |
|
Excavating rock by hand drill machine |
100m3 |
901.49 |
2 |
Temporary tunnel No 1 |
|
|
|
Excavation of rock, Dia 42mm, class IV |
100m3 |
2396.459 |
3 |
Temporary tunnel No 2 |
|
|
|
Barrow pit excavation |
100m3 |
151.405 |
|
Excavation of rock, class |
100m3 |
492.750 |
B. Package 61/XL-AL |
|
|
|
I |
Foundation of surge tank (excavation) |
|
|
|
Excavation of foundation |
100m3 |
2032.06 |
|
Excavation of rock foundation |
100m3 |
708.52 |
II |
Excavation stage I (elevation 64.60) |
|
|
|
Soil excavation of powerhouse |
100m3 |
1754.76 |
|
Rock excavation of powerhouse |
100m3 |
820.18 |
III |
Temporary tunnel No 3 |
|
|
|
Soil excavation |
100m3 |
353.1 |
|
Rock excavation |
100m3 |
79.6 |
IV |
Temporary tunnel No 4 |
|
|
|
Soil excavation |
100m3 |
217.74 |
|
Rock excavation |
100m3 |
75.56 |