Blast block number

Number of blast holes

Average hole length (m)

Burden

(m)

Spacing

(m)

Total mass of explosives (kg)

P4-60-P2

486

12.5

5.0

5.0

56,608.00

P3-18-P1

123

6.5

4.7

4.7

3198.00

P4-60-P4

554

12.8

5.5

5.5

61,303.00

P3B-87-P1

994

6.4

4.7

4.7

41,138.00

P4-48-P1

525

12.4

5.0

5.0

35,911.00