12 February 2020
20137096-009 Rev A
Table 7: Provisional Bill of Quantities.
Quantities
Item no. Description
Units
1.0
Site clearance
1.1
Top surface cleaning and grubbing
Ha
TBC
1.2
Removal of buried services (if any)
Each
TBC (if any)
m 3
1.3
Removal/lowering the water in the pit
TBC
2.0
Excavation
Mm 3
2.1
Tailings within the footprint to RL 272 m
0.37
Mm 3
2.2
Lime stockpile
TBC
Mm 3
2.3
Borrow material for TSF construction
TBC
3.0
Catchment diversion drain (114 Ha) to RL 335 m
Mm 3
3.1
Excavation
TBC
4.0
Stage 1 to RL 290 m
Stage 1 removal of 300 mm (indicative) topsoil to be stockpiled
m 3
4.1
14,900
m 3
Option 1 – Clay upstream liner (zone 1) Alternative Option 2 - Geomembrane upstream liner (HDPE)
Included in Item 4.3
4.2
m 2
16,400
m 3
4.3
Embankment fill (zone 3)
670,200
m 3
4.4
Chimney filter (zone 2B)
14,400
m 3
4.5
Blanket filter (zone 2B)
15,750
m 2
4.6
Geotextile to wrap blanket filter
63,000
5.0
Stage 2 to RL 300 m
Stage 2 removal of 300 mm (indicative) topsoil to be stockpiled
m 3
5.1
8,100
m 3
Option 1 – Clay upstream liner (zone 1) Alternative Option 2 - Geomembrane upstream liner (HDPE)
36,050
5.2
m 2
9,150
m 3
5.3
Embankment fill (zone 3)
607,000
m 3
5.4
Chimney filter (zone 2B)
7,550
m 3
5.5
Blanket filter (zone 2B)
13,400
m 2
5.6
Geotextile to wrap blanket filter
53,600
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