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 11 Mining

Contents

 

Table 1
Minimum separation distances between explosives and fixed radio transmitters

[ See section 651(3) ]

 

Transmitter
power
(watts)


Minimum separation distance

(metres)

5 – 25

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

50 001 or more

2000

 

Table 2
Minimum separation distances between explosives and mobile radio transmitters

[ See section 651(3) ]

 

Transmitter power
(watts)

Minimum separation distance
(metres)

1 — 10

4

11 — 30

7

31— 60

10

61— 100

20

101 or more

30

Note:   The distances specified above are the minimum permissible distances between the nearest part of the vehicle or portable set and the nearest part of the blasting circuit.

 

Table 3
Application to Director

[See section 659(2)]

 

Pursuant to section 659 of the Occupational Health and Safety Code, application is made to a Director on behalf of Mine Name to use an explosive that is not classified as a “permitted explosive” for work in rock.

The following is submitted in support of this application:

(1)

The attached mine plans, sections and notes outline the extent of the proposed work, including appropriate plans to indicate the location and starting point, inclination, size of the heading and the location of adjacent coal seams and the nature of the strata to be penetrated.

(2)

A complete description of the proposed ventilation system, giving direction and volume of air and size and type of fans proposed.

(3)

The details and location of proposed explosive storage, if any.

__________________________
        Mine Manager’s Signature