Occupational Health and Safety Code

The Occupational Health and Safety Code provides specific technical health and safety rules and requirements for Alberta workplaces.

Alberta Regulation 191/2021

Schedule 10 Fire Extinguishers and Minimum Separation Distances

Contents

 

Table 1
Fire extinguisher required based on quantity of explosive

[ See section 473(4) ]

 

Quantity of explosive

Quantity and type of fire extinguisher required

< 25 kilograms

1 — 5 BC fire extinguisher required

25 kg — 2000 kilograms

1 (minimum) 10 BC fire extinguisher

> 2000 kilograms

2 (minimum) 10 BC fire extinguishers

 

Table 2
Minimum separation distances between explosives and fixed radiofrequency transmitters

[ See sections 503(1), (2) ]

 

Transmitter power
(watts)

Minimum separation distance
(metres)

25 or less

30

26 – 50

45

51 – 100

65

101 – 250

110

251 – 500

135

501 – 1000

200

1001 – 2500

300

2501 – 5000

450

5001 – 10 000

675

10 001 – 25 000

1100

25 001 – 50 000

1500

> 50 000

By extrapolation of this data

 

Table 3
Minimum separation distances between explosives and mobile radiofrequency transmitters and cellular telephones

[ See sections 503(1), (2), (4) ]

 

 

 

Transmitter power
(watts)

Minimum separation distance at selected frequencies (metres)

VHF

35 — 36 MHz public use
42 — 44 MHz public use
50 — 54 MHz public use

VHF

 

144 — 148 MHz amateur

150.8 — 161.6 MHz public use

UHF

450 — 470 MHz public use cellular telephones above 800 MHz

5 or less

25

8

5

6 — 10

35

12

8

11 — 30

57

19

12

31 — 50

80

26

17

51 — 100

115

40

24

101 — 200

160

55

35

201 — 250

180

60

40

251 — 500

250

85

55

501 — 1000

355

120

75

1001 — 1500

435

145

95

1501 — 10 000

1115

365

240