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Occupational Health and Safety Act, 1993 (Act No. 85 of 1993)

Explosives Regulations, 2003

Annexure 1

 

 

Table of safety distances (in metres)

a) Classes 1.1 and 1.5

 

Quantity of explosives (kg)

From magazines

(1)

To process buildings and magazines

(2)

To railways, roads, etc *

(3)

To public buildings

(4)

5 to 50

9

18

20

24

100

11

22

24

32

200

14

27

29

50

300

16

30

34

68

400

18

33

41

82

500

19

36

47

94

750

22

46

62

124

1 000

24

56

75

150

1 500

27

72

95

190

2 000

30

85

115

230

2 500

32

96

130

260

3 000

35

106

140

280

4 000

38

121

160

320

5 000

40

135

180

360

7 500

45

155

210

420

10 000

50

175

235

470

15 000

58

200

270

540

20 000

65

225

300

600

25 000

70

240

320

640

30 000

75

255

345

690

40 000

80

285

380

760

50 000

85

305

400

800

75 000

100

350

470

940

100 000

110

380

510

1020

150 000

125

440

590

1180

200 000

140

480

640

1280

250 000

150

520

700

1400

* Applicable for magazines only

 

Table of safety distances (in meters)

b) Class 1.3

 

Quantity of explosives (kg)

From magazines

(1)

To process buildings and magazines

(2)

To railways, roads, etc *

(3)

To public buildings

(4)

5 to 50

9

10

12

23

100

9

15

16

30

200

9

18

19

37

300

10

21

22

42

400

11

23

24

47

500

13

25

25

50

750

14

29

29

57

1 000

14

32

32

63

1 500

15

36

36

72

2 000

17

40

40

80

2 500

18

43

43

86

3 000

19

46

46

91

4 000

20

50

50

100

5 000

21

54

54

108

7 500

25

61

61

122

10 000

28

68

68

136

15 000

33

78

78

156

20 000

27

85

85

170

25 000

40

90

90

180

30 000

45

100

100

200

40 000

50

110

110

220

50 000

55

115

115

230

75 000

65

135

135

270

100 000

75

15

145

290

150 000

90

170

170

340

200 000

95

180

180

360

250 000

105

200

200

400

* Applicable for magazines only

 

Table of safety distances (in meters)

c) Classes 1.2 and 1.4

 

Quantity of explosives (kg)

From magazines

(1)

To process buildings and magazines

(2)

To railways, roads, etc *

(3)

To public buildings

(4)

5 to 50

9

9

9

15

100

9

9

9

18

200

9

9

11

12

300

9

9

13

25

400

9

9

15

29

500

9

9

15

31

750

9

9

17

33

1 000

9

10

18

36

1 500

11

16

19

38

2 000

12

19

20

40

2 500

13

21

21

42

3 000

14

22

22

43

4 000

16

24

23

45

5 000

17

25

23

46

7 500

19

26

24

48

10 000

21

27

25

50

15 000

23

27

27

54

20 000

25

27

28

55

25 000

26

27

27

57

30 000

27

27

30

60

40 000

27

27

30

60

50 000

27

27

30

60

75 000

27

27

32

65

100 000

27

27

33

65

150 000

27

27

35

70

200 000

27

27

35

70

250 000

27

27

35

70

* Applicable for magazines only