Blast number

Burden (m)

Spacing (m)

Average hole length (m)

Number of blast holes

Volume of blast (m³)

P4-60-P2

5.0

5.0

12.5

486

151,875.00

P3-18-P1

4.7

4.7

6.5

123

17,948.13

P4-60-P4

5.5

5.5

12.8

554

215,508.80

P3B-87-P1

4.7

4.7

6.4

994

140,527.74

P4-48-P1

5.0

5.0

12.4

525

162,750.00