Shotfiring

• Pages: 13-17

CHAPTER V

SHOTFIRING

REGULATION 10. GENERAL PROVISIONS

1.

Shotfiring shall only be allowed in such mines or parts of

mines as are specified by the competent authority or by national

laws or regulations and in the conditions laid down by the compe-

tent authority.

2.

Shotfiring shall only be done by authorised persons who

possess suitable qualifications as specified in national laws or regu-

lations.

3.

(1) Shotfirers shall keep a register of a type to be approved

by the competent authority and as soon as possible after firing

enter in it all particulars of the shots fired.

(2) The register shall be balanced and signed at the end of

each shift.

REGULATION 11. CHARGING, TAMPING (STEMMING)

AND FIRING

1.

No shot charged with explosives shall be fired except in a

properly drilled and tamped (stemmed) shothole.

2.

(1) For tamping (stemming), use shall only be made of—

(a) suitable non-flammable material provided by the mine

operator; or

(b) devices approved by the competent authority and provided

by the mine operator.

(2) The tamping (stemming) referred to in subparagraph (1) (a)

of this paragraph—

(a) shall extend along a sufficient length of the shothole;

(b) shall, over its entire length, fill the cross-section of the hole;

and

(c) should as far as practicable exceed 20 cm (8 in.) in length.

(3) A supervisory official shall see that supplies of tamping

(stemming) material or devices are available near the workplace

where firing is being done.