AAOM Handbook

[OFFICIAL]

INTERNAL USE ONLY

Storage Levels Stockpiles also require consideration whether the storage is first, intermediate or last in the value stream. Figure 24 below illustrates calculated end capacity of an intermediate storage. Figure 25 to 27 provide logic for first, intermediate and last storages.

FGO STOCKPILE

Stockpile Inputs Total

MSC

MNC

Min Max Start

3,000,000

900,000

2,100,000 FGO tonnes

25,000,000 7,500,000 17,500,000 FGO tonnes 15,793,200 4,737,960 11,055,240 FGO tonnes

FGO - TOTAL

FGO - MSC

FGO - MNC

FGO - Baobab

Start

End Capacity Start

End Capacity End

Start

End

Capacity

(FGO

Capacity

(FGO

Capacity

Capacity

Capacity

(FGO

tonnes)

(FGO

tonnes)

(FGO

(FGO

(FGO

tonnes)

tonnes)

tonnes)

tonnes)

tonnes)

15,793,200 15,804,274 4,737,960 15,804,274 15,805,774 4,736,242 15,805,774 15,818,521 4,734,622 15,818,521 15,808,923 4,739,939

4,736,242 11,068,033 4,734,622 11,071,152 4,739,939 11,078,582 4,736,240 11,072,683

0 0 0 0

0 0 0 0

Figure 24 - Columns that need to be modelled for the ROM stockpile

Figure 25 - Logic to calculate end capacity of first storage process

Operational Planning: Building a Business Structure Performance Model Page 23 of 39